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Gas On The Fire: The Way Too Early Power Rankings are here
MMQB: Plotting out the rest of the spring
Landry: Predicting the next 10 Most Outstanding Canadians
Hall: Muamba, Lawrence ready for the future after retirement
Costabile: 3 players that could have big 2024 campaigns
Nye: Everything wrong with the Way Too Early Power Rankings
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Cauz: 7 defensive backs to watch in 2024
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Gas On The Fire: The Way Too Early Power Rankings are here
MMQB: Plotting out the rest of the spring
Landry: Predicting the next 10 Most Outstanding Canadians
Hall: Muamba, Lawrence ready for the future after retirement
Costabile: 3 players that could have big 2024 campaigns
Nye: Everything wrong with the Way Too Early Power Rankings
Ferguson: 5 ways Leake, Bede will change Elks’ fortunes
Cauz: 7 defensive backs to watch in 2024
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2024 Grey Cup Festival boasts all-star lineup of official partners
Argos add former CFL QB Drew Tate to coaching staff
Als sign American DB Macon Clark
Rosters Set: CFL reveals 2024 CFL Combine participants
CFL issues statement regarding the Toronto Argonauts and Chad Kelly
CFL Combine in Winnipeg, April 30 drafts highlight ’24 off-season
One Of One: Henoc Muamba announces retirement
DIVERSITY IS STRENGTH
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CFL - Canadian Football League Teams, Scores, Stats, News, Standings, Rumours
Toronto Argonauts
Argos QB Kelly denies harassment allegations
Toronto Argonauts quarterback Chad Kelly is denying allegations that he harassed a former employee of the CFL club.
Trending CFL Videos
Top Headlines
Argonauts add ex-CFL QB Tate to coaching staff
The Toronto Argonauts added Drew Tate to their coaching staff Tuesday as an offensive assistant. Tate, a former CFL quarterback, spent last season coaching receivers with the Saskatchewan Roughriders. Tate began his coaching career in 2018 at Coastal Carolina before serving as the B.C. Lions quarterback coach in 2019.
Riders ink ex-Vikings DB Hill
The Saskatchewan Roughriders announced the signing of defensive back Holton Hill on Friday. Hill, 26, previously spent three seasons with the Minnesota Vikings.
Roughriders sign former Cardinal WR Johnson
The Saskatchewan Roughriders announced Thursday they have signed American wide receiver KeeSean Johnson.
Roughriders apologize to fans for 'Girl Math' marketing campaign ad
The Saskatchewan Roughriders apologized Wednesday for issuing a email to season-ticket holders that resulted in a backlash from fans.
Grey Cup-winning DE Roh dead at 33
Grey Cup-winning defensive end Craig Roh has died at the age of 33, his wife announced on social media on Wednesday. Roh had been diagnosed with colon cancer.
Tiger-Cats sign former National Champion TE Moss
The Hamilton Tiger-Cats have signed American tight end Thaddeus Moss, the team announced Monday.
Toronto Argonauts
CFL commissioner defends investigation process into allegations against Argos, Kelly
CFL commissioner Randy Ambrosie is defending his organization's approach to handling an investigation into allegations against the Toronto Argonauts and quarterback Chad Kelly.
CFL
CFL free agency 2024: Who is signed and who is left?
The Canadian Football League's free agency period opened on Feb. 13, with many of the league's high-profile names returning or finding new homes. But a few names remain unsigned.
-
Matthew Hodowany
CFL
Grey Cup champion, MVP Muamba retires after 11 CFL seasons
Canadian linebacker Henoc Muamba has called it a career. The 35-year-old made the announcement Sunday on his Instagram account. Muamba played in the CFL with Winnipeg (2011-13), Montreal (2015, 2018-19), Saskatchewan (2016-17) and Toronto (2021-23) while also spending time in the NFL with Indianapolis (2014-15) and Dallas (2016).
CFL
Vancouver unveils 2024 Grey Cup event plans, including zip lines to replica fields
From a zip line between Vancouver's convention centres to replica mini CFL fields, a slate of sponsors and events for the upcoming 2024 Grey Cup were unveiled on Thursday.
CFL
Four-time Grey Cup champ Damon Allen dazzled with his dynamic dual-threat ability
Renowned for his longevity in football, Damon Allen became a CFL legend who presented the ultimate challenge for opposing defences with his dynamic dual-threat ability. In honour of Black History Month, Jermain Franklin shines a spotlight on all of Allen's incredible accolades.
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1:34
Toronto Argonauts
Argos QB Kelly accused of harassment in wrongful dismissal lawsuit
A former Toronto Argonauts strength and conditioning coach has filed a wrongful dismissal lawsuit against the Canadian Football League team and quarterback Chad Kelly, alleging the league's highest-paid player and reigning Most Outstanding Player harassed her and that the team fired her after she rejected his advances.
-
Rick Westhead
CFL
'Grey Cup or bust': Adams Jr. sends message to Lions for upcoming CFL season
Fresh off of signing a two-year contract extension, Lions quarterback Vernon Adams Jr. spoke about what area he wants to improve in, why he agreed to take less money to stay put and claimed this season is "Grey Cup or bust' for the team.
3:41
BC Lions
Lions extend QB Adams Jr. through 2026
The BC Lions signed quarterback Vernon Adams Jr. to a two-year contract extension on Wednesday, keeping him with the team through the 2026 season.
Hamilton Tiger-Cats
Tiger-Cats bring back WR White on two-year deal
Free agent wide receiver Tim White is returning to the Hamilton Tiger-Cats on a two-year deal, TSN Football Insider Dave Naylor reports.
Calgary Stampeders
Shiltz pumped for opportunity with Stamps after showing flashes backing up Mitchell
Matthew Shiltz began last season as Bo Levi Mitchell’s backup with the Hamilton Tiger-Cats and started three games after Mitchell went down with injury. Salim Valji has more on Shiltz's approach heading into the season behind Jake Maier with Calgary.
-
Salim Valji
Saskatchewan Roughriders
Roughriders feeling good about early work in free agency after disappointing seasons
After back-to-back disappointing seasons, Saskatchewan Roughriders general manager Jeremy O’Day knew changes had to be made when the CFL free agency period opened Tuesday.
BC Lions
Betts felt the time was right to take another shot at NFL
For Mathieu Betts, the time was right to make a second attempt at cracking an NFL roster. Betts signed a one-year deal with the Detroit Lions on Tuesday, shortly after becoming a CFL free agent.
Toronto Argonauts
Argonauts sign former All-Star RB Carey; keep DL Oakman
The Toronto Argonauts have signed American running back Ka'Deem Carey, the team announced on Wednesday. The one time CFL All-Star (2022) and two-time West All-Star (2021, 2022) spent the first four years of his CFL career with the Calgary Stampeders.
Hamilton Tiger-Cats
Tiger-Cats sign former Argos defensive lineman Hendrix to two-year deal
The Hamilton Tiger-Cats have signed American defensive linemen Dewayne Hendrix and Brandon Barlow to two-year contracts.
CFL
Breaking down the winners and losers of CFL free agency so far
CFL free agency officially opened on Tuesday and a ton of big names have already found new homes. TSN CFL Insiders Dave Naylor and Farhan Lalji share their winners and losers of free agency so far.
3:32
CFL
CFL Free Agency Blog: Elks sign award-winning returner Leake
The Canadian Football League's free agency period is now underway as players are free to sign. Stay up to date on the latest around the league right here on TSN.ca.
Toronto Argonauts
Toronto Argonauts sign Canadian free agents Adeleke, Sopik
Toronto signed defensive backs Tunde Adeleke and Kerfalla Exume, linebacker Fraser Sopik and fullback Albert Awachie on Tuesday. All four are Canadians.
Winnipeg Blue Bombers
Bombers feeling pinch after signing Oliveira, Schoen to lucrative contracts
Walters was surprised that he was able to get both back, but he is now feeling the effects. Both players signed pacts that will pay them around $230,000 each in 2024.
CFL
Who's left on the market when it comes to CFL offensive linemen?
Which Canadians are still looking for a home when it comes to offensive linemen? Which defensive backs could be targeted with free agency opening up on Tuesday? CFL Insiders Dave Naylor and Farhan Lalji discuss this and more.
3:26
CFL
How do the Lions and Ticats pivot with Betts heading south?
With Mathieu Betts heading to the Detroit Lions, how do the Lions and Tiger-Cats pivot from their pursuit of the free agent? Will Hamilton circle back on Simoni Lawrence this offseason? CFL Insiders Farhan Lalji and Dave Naylor discuss this and more.
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4:34
CFL
Lalji, Naylor outline the CFL free agency picture as market officially opens
The Canadian Football League's free agency period is now open and TSN CFL Insiders Farhan Lalji and Dave Naylor touch on where Mathieu Betts is likely to sign, the biggest name on the board and which players have offers or agreements with other teams.
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4:34
NFL
Betts to ink free agent contract with NFL's Lions
Canadian Mathieu Betts, one of the CFL's most coveted free agents, is returning to the NFL. According to a league source, the CFL's outstanding defensive player last season will sign a contract with the NFL's Detroit Lions.
CFL
CFL free-agent period set to open after busy window negotiating period
CFL free agency is set to open Tuesday with much of the guesswork seemingly having already been done. Many pending free agents reached agreements in principle with other teams last week during the CFL's open-window period.
BC Lions
'Real possibility' CFL defensive star Betts signs future contract with NFL's Lions
Mathieu Betts, the Canadian Football League's reigning Most Outstanding Defensive Player, could be on his way to the NFL. According to TSN's Farhan Lalji, there's a "real possibility" that Betts signs a futures contract with the Detroit Lions.
CFL
'They're going to love this guy in Saskatchewan': Lalji praises Roughriders signing Ouellette
As we near the end of the one-week legal tampering window, TSN CFL Insiders Dave Naylor and Farhan Lalji weigh in on what team they believe has made the biggest impact ahead of the CFL's Free Agency period.
2:27
Winnipeg Blue Bombers
Star receiver Schoen said no offer was good enough to entice him away from Winnipeg
Dalton Schoen is confident he didn’t make a mistake by re-signing with the Winnipeg Blue Bombers. The team’s top receiver inked a one-year deal on Tuesday after drawing interest from some CFL clubs that could have thrown more cash his way.
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Canadian Football League (CFL) | History, Teams, & Facts | Britannica
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Canadian Football League (CFL), major Canadian professional gridiron football organization, formed in 1956 as the Canadian Football Council, created by the Western Interprovincial Football Union (WIFU) and the Interprovincial Rugby Football Union (IRFU). Though the IRFU still referred to their sport as rugby football, the member clubs played a gridiron style of football. The WIFU and IRFU became, respectively, the Western and Eastern conferences of the new league, which changed its name to the Canadian Football League (CFL) in 1958. Trusteeship of the Grey Cup, emblematic of supremacy in Canadian football, was transferred from the Canadian Rugby Union to the CFL in 1966.The CFL consists of two divisions. In the CFL West Division are the British Columbia Lions, Calgary Stampeders, Edmonton Elks, Saskatchewan Roughriders, and Winnipeg Blue Bombers. In the East Division are the Hamilton Tiger-Cats, Ottawa Redblacks, Montreal Alouettes, and Toronto Argonauts.
Britannica Quiz
Canadian Football League
Winners of the Grey Cup are provided in the table.
Grey Cup
year
result
*East-West playoff began in 1921.
**Ottawa won the two-game total-point series 8–2 and 12–5.
1909
U. of Toronto
1910
U. of Toronto
1911
U. of Toronto
1912
Hamilton Alerts
1913
Hamilton Tigers
1914
Toronto Argonauts
1915
Hamilton Tigers
1916–19
not held
1920
U. of Toronto
1921*
Toronto Argonauts
1922
Queen's University
13
Edmonton Eskimos
1
1923
Queen's University
54
Regina Roughriders
0
1924
Queen's University
11
Toronto Balmy Beach
3
1925
Ottawa Rough Riders
24
Winnipeg Blue Bombers
1
1926
Ottawa Rough Riders
10
U. of Toronto
7
1927
Toronto Balmy Beach
9
Hamilton Tigers
6
1928
Hamilton Tigers
30
Regina Roughriders
0
1929
Hamilton Tigers
14
Regina Roughriders
3
1930
Toronto Balmy Beach
11
Regina Roughriders
6
1931
Montreal AAA
22
Regina Roughriders
0
1932
Hamilton Tigers
25
Regina Roughriders
6
1933
Toronto Argonauts
4
Sarnia Imperials
3
1934
Sarnia Imperials
20
Regina Roughriders
12
1935
Winnipeg Blue Bombers
18
Hamilton Tigers
12
1936
Sarnia Imperials
26
Ottawa Rough Riders
20
1937
Toronto Argonauts
4
Winnipeg Blue Bombers
3
1938
Toronto Argonauts
30
Winnipeg Blue Bombers
7
1939
Winnipeg Blue Bombers
8
Ottawa Rough Riders
7
1940
Ottawa Rough Riders
**
Toronto Balmy Beach
**
1941
Winnipeg Blue Bombers
18
Ottawa Rough Riders
16
1942
Toronto RCAF Hurricanes
8
Winnipeg Blue Bombers
5
1943
Hamilton Flying Wildcats
23
Winnipeg Blue Bombers
14
1944
Montreal S. Hyacinthe-Donnaconna
7
Hamilton Wildcats
6
1945
Toronto Argonauts
35
Winnipeg Blue Bombers
0
1946
Toronto Argonauts
28
Winnipeg Blue Bombers
0
1947
Toronto Argonauts
10
Winnipeg Blue Bombers
9
1948
Calgary Stampeders
12
Ottawa Rough Riders
7
1949
Montreal Alouettes
28
Calgary Stampeders
15
1950
Toronto Argonauts
13
Winnipeg Blue Bombers
0
1951
Ottawa Rough Riders
21
Saskatchewan Roughriders
14
1952
Toronto Argonauts
21
Edmonton Eskimos
11
1953
Hamilton Tiger-Cats
12
Winnipeg Blue Bombers
6
1954
Edmonton Eskimos
26
Montreal Alouettes
25
1955
Edmonton Eskimos
34
Montreal Alouettes
19
1956
Edmonton Eskimos
50
Montreal Alouettes
27
1957
Hamilton Tiger-Cats
32
Winnipeg Blue Bombers
7
1958
Winnipeg Blue Bombers
35
Hamilton Tiger-Cats
28
1959
Winnipeg Blue Bombers (WFC)
21
Hamilton Tiger-Cats (EFC)
7
1960
Ottawa Rough Riders (EFC)
16
Edmonton Eskimos (WFC)
6
1961
Winnipeg Blue Bombers (WFC)
21
Hamilton Tiger-Cats (EFC)
14
1962
Winnipeg Blue Bombers (WFC)
28
Hamilton Tiger-Cats (EFC)
27
1963
Hamilton Tiger-Cats (EFC)
21
British Columbia Lions (WFC)
10
1964
British Columbia Lions (WFC)
34
Hamilton Tiger-Cats (EFC)
24
1965
Hamilton Tiger-Cats (EFC)
22
Winnipeg Blue Bombers (WFC)
16
1966
Saskatchewan Roughriders (WFC)
29
Ottawa Rough Riders (EFC)
14
1967
Hamilton Tiger-Cats (EFC)
24
Saskatchewan Roughriders (WFC)
1
1968
Ottawa Rough Riders (EFC)
24
Calgary Stampeders (WFC)
21
1969
Ottawa Rough Riders (EFC)
29
Saskatchewan Roughriders (WFC)
11
1970
Montreal Alouettes (EFC)
23
Calgary Stampeders (WFC)
10
1971
Calgary Stampeders (WFC)
14
Toronto Argonauts (EFC)
11
1972
Hamilton Tiger-Cats (EFC)
13
Saskatchewan Roughriders (WFC)
10
1973
Ottawa Rough Riders (EFC)
22
Edmonton Eskimos (WFC)
18
1974
Montreal Alouettes (EFC)
20
Edmonton Eskimos (WFC)
7
1975
Edmonton Eskimos (WFC)
9
Montreal Alouettes (EFC)
8
1976
Ottawa Rough Riders (EFC)
23
Saskatchewan Roughriders (WFC)
20
1977
Montreal Alouettes (EFC)
41
Edmonton Eskimos (WFC)
6
1978
Edmonton Eskimos (WFC)
20
Montreal Alouettes (EFC)
13
1979
Edmonton Eskimos (WFC)
17
Montreal Alouettes (EFC)
9
1980
Edmonton Eskimos (WFC)
48
Hamilton Tiger-Cats (EFC)
10
1981
Edmonton Eskimos (WFC)
26
Ottawa Rough Riders (EFC)
23
1982
Edmonton Eskimos (WFC)
32
Toronto Argonauts (EFC)
16
1983
Toronto Argonauts (EFC)
18
British Columbia Lions (WFC)
17
1984
Winnipeg Blue Bombers (WFC)
47
Hamilton Tiger-Cats (EFC)
17
1985
British Columbia Lions (WFC)
37
Hamilton Tiger-Cats (EFC)
24
1986
Hamilton Tiger-Cats (EFC)
39
Edmonton Eskimos (WFC)
15
1987
Edmonton Eskimos (WFC)
38
Toronto Argonauts (EFC)
36
1988
Winnipeg Blue Bombers (EFC)
22
British Columbia Lions (WFC)
21
1989
Saskatchewan Roughriders (WFC)
43
Hamilton Tiger-Cats (EFC)
40
1990
Winnipeg Blue Bombers (EFC)
50
Edmonton Eskimos (WFC)
11
1991
Toronto Argonauts (EFC)
36
Calgary Stampeders (WFC)
21
1992
Calgary Stampeders (WFC)
24
Winnipeg Blue Bombers (EFC)
10
1993
Edmonton Eskimos (WFC)
33
Winnipeg Blue Bombers (EFC)
23
1994
British Columbia Lions (WFC)
26
Baltimore Stallions (EFC)
23
1995
Baltimore Stallions (SD)
37
Calgary Stampeders (ND)
20
1996
Toronto Argonauts (ED)
43
Edmonton Eskimos (WD)
37
1997
Toronto Argonauts (ED)
47
Saskatchewan Roughriders (WD)
23
1998
Calgary Stampeders (WD)
26
Hamilton Tiger-Cats (ED)
24
1999
Hamilton Tiger-Cats (ED)
32
Calgary Stampeders (WD)
21
2000
British Columbia Lions (WD)
28
Montreal Alouettes (ED)
26
2001
Calgary Stampeders (WD)
27
Winnipeg Blue Bombers (ED)
19
2002
Montreal Alouettes (ED)
25
Edmonton Eskimos (WD)
16
2003
Edmonton Eskimos (WD)
34
Montreal Alouettes (ED)
22
2004
Toronto Argonauts (ED)
27
British Columbia Lions (WD)
19
2005
Edmonton Eskimos (WD)
38
Montreal Alouettes (ED)
35
2006
British Columbia Lions (WD)
25
Montreal Alouettes (ED)
14
2007
Saskatchewan Roughriders (WD)
23
Winnipeg Blue Bombers (ED)
19
2008
Calgary Stampeders (WD)
22
Montreal Alouettes (ED)
14
2009
Montreal Alouettes (ED)
28
Saskatchewan Roughriders (WD)
27
2010
Montreal Alouettes (ED)
21
Saskatchewan Roughriders (WD)
18
2011
British Columbia Lions (WD)
34
Winnipeg Blue Bombers (ED)
23
2012
Toronto Argonauts (ED)
35
Calgary Stampeders (WD)
22
2013
Saskatchewan Roughriders (WD)
45
Hamilton Tiger-Cats (ED)
23
2014
Calgary Stampeders (WD)
20
Hamilton Tiger-Cats (ED)
16
2015
Edmonton Eskimos (WD)
26
Ottawa Redblacks (ED)
20
2016
Ottawa Redblacks (ED)
39
Calgary Stampeders (WD)
33
2017
Toronto Argonauts (ED)
27
Calgary Stampeders (WD)
24
2018
Calgary Stampeders (WD)
27
Ottawa Redblacks (ED)
16
2019
Winnipeg Blue Bombers (WD)
33
Hamilton Tiger-Cats (ED)
12
2020
not held
2021
Winnipeg Blue Bombers (WD)
33
Hamilton Tiger-Cats (ED)
25
2022
Toronto Argonauts (ED)
24
Winnipeg Blue Bombers (WD)
23
The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by Amy Tikkanen.
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GC109 Live: Toronto Argonauts Post-Game Press Conference
Regina, Saskatchewan
___
Members of the Toronto Argonauts are set to speak to the media following the 109th Grey Cup.
Watch
GC109: Winnipeg Blue Bombers Post-Game Press Conference
Regina, Saskatchewan
___
Members of the Winnipeg Blue Bombers are set to speak to the media after the 109th Grey Cup.
Watch
GC109 Live: Winnipeg Blue Bombers Pre-Game Press Conference
Regina, Sask.
___
Winnipeg Blue Bombers head coach Mike O'Shea speaks with media ahead of the 109th Grey Cup.
Watch
GC109 Live: Toronto Argonauts Pre-Game Press Conference
Regina, Sask.
___
Toronto Argonauts head coach Ryan Dinwiddie meets with the media ahead of the 109th Grey Cup at Mosaic Stadium in Regina, Sask.
Watch
GC109: Toronto Argonauts Walkthrough Press Conference
Regina, Sask.
___
Members of the Toronto Argonauts meet with the media ahead of the 109th Grey Cup at Mosaic Stadium in Regina, Sask.
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GC109: Winnipeg Blue Bombers Saturday Press Conference
Regina, Saskatchewan
___
Members of the Winnipeg Blue Bombers speak to the media after their walkthrough on Saturday ahead of the 109th Grey Cup.
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GC 109 Fan State of The League
Regina, Sask.
___
Tune in as CFL Commissioner Randy Ambrosie meets with fans at the CFL Fan State of the League.
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GC109 Live: CFL Awards
Regina, Saskatchewan
___
The CFL's best are set to be honoured at this year's CFL Awards.
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GC109 Live: Head Coaches Press Conference
Regina, Saskatchewan
___
Ryan Dinwiddie and Mike O'Shea addressed members of the media together at the 109th Grey Cup Head Coaches’ Media Conference.
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2022 CFL Global Draft Live
Toronto, Ont
___
The 2022 CFL Global Draft gets underway on Tuesday, May 3 at 12:00 p.m. ET. CFL.ca's draft guru Marshall Ferguson will be joined by the CFL's Head of Football Operations Greg Dick to break down every pick in all three rounds.
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Rewatch: CFL Combine 1-on-1 & Indy Drills (LB/RB/DB/WR)
Toronto, Ont.
___
The CFL Combine presented by New Era continues on Day 2 as Marshall Ferguson and guests bring you live coverage of Part 2 of the 1-on-1 and individual drills.
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Rewatch: CFL Combine 40 Yard Dash
Toronto, Ont.
___
The CFL Combine presented by New Era continues on Day 2 as Marshall Ferguson and guests bring you live coverage of the 40-yard dash.
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Rewatch: 2022 CFL Combine 1-on-1 & Indy Drills (OL/DL)
Toronto, Ont.
___
The CFL Combine presented by New Era continues on Day 2 as Marshall Ferguson and guests break down Part 1 of the 1-on-1 and individual drills.
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Rewatch: 2022 CFL Combine Bench Press
Toronto, On.
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CFL.ca's Marshall Ferguson and Toronto Argonaut Henoc Muamba bring you the bench press from the 2022 CFL Combine presented by New Era.
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Live: Winnipeg Blue Bombers Post-Game Press Conference
Hamilton, Ont.
___
Members of the Winnipeg Blue Bombers spoke with the media following their OT win at the 108th Grey Cup.
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GC108 Live: Hamilton Tiger-Cats Post-Game
Hamilton, Ont.
___
Members of the Hamilton Tiger-Cats are set to speak with the media following the 108th Grey Cup.
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GC108 Live: Winnipeg Blue Bombers Head Coach Pre-Game
Hamilton, Ont.
___
Head coach of the Winnipeg Blue Bombers Mike O'Shea spoke with the media ahead of the 108th Grey up.
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GC108 Live: Hamilton Tiger-Cats Head Coach Pre-Game
Hamilton, Ont.
___
Head coach of the Hamilton Tiger-Cats Orlondo Steinauer spoke with the media ahead of the 108th Grey Cup.
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GC108 Live: Hamilton Tiger-Cats Saturday Walkthrough
Hamilton, Ont.
___
Members of the Hamilton Tiger-Cats are set to speak to the media a day before the 108th Grey Cup.
Watch
GC108 Live: Winnipeg Blue Bombers Saturday Walkthrough
Hamilton, Ont.
___
Winnipeg Blue Bombers head coach Mike O'Shea, defensive end Willie Jefferson and quarterback Zach Collaros spoke to the media one day before the 108th Grey Cup.
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Season2021
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WeekWeek 1
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Week 7
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Week 13
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Week 15
Week 16
Eastern Semi-Final
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Timezone
Week 1
collapse
expand
Final
HAM
6
@
19
WPG
WPG
Gametracker
HAMILTON
Tiger-Cats
6
Final
1
2
3
4
HAM
-
-
-
-
WPG
-
-
-
-
19
WINNIPEG
Blue Bombers
No Place Like Home: Bombers top Ticats in season opener
The Winnipeg Blue Bombers defeated the Hamilton Tiger-Cats in the 2021 season opener on Thursday night.
Attendance: 29,376
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collapse
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Final
BC
29
@
33
SSK
SSK
Gametracker
BC
Lions
29
Final
1
2
3
4
BC
-
-
-
-
SSK
-
-
-
-
33
SASKATCHEWAN
Roughriders
Riders start strong, hold off resilient Lions to win opener
The Saskatchewan Roughriders built up a big lead and fought the BC Lions off in the second half to win their season opener in Regina.
Attendance: 33,350
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collapse
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Final
TOR
23
@
20
CGY
CGY
Gametracker
TORONTO
Argonauts
23
Final
1
2
3
4
TOR
-
-
-
-
CGY
-
-
-
-
20
CALGARY
Calgary Stampeders
Argos mount fourth quarter comeback to defeat Stamps
The Toronto Argonauts defeated the Calgary Stampeders on Saturday night.
Attendance: 23,921
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collapse
expand
Final
OTT
16
@
12
EDM
EDM
Gametracker
OTTAWA
REDBLACKS
16
Final
1
2
3
4
OTT
-
-
-
-
EDM
-
-
-
-
12
EDMONTON
Elks
REDBLACKS lock down Elks to win opener
The Ottawa REDBLACKS made their biggest defensive plays when they needed them most to surprise the Edmonton Elks at home to win their season-opener.
Attendance: 30,302
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Week 2
collapse
expand
Final
BC
15
@
9
CGY
CGY
Gametracker
BC
Lions
15
Final
1
2
3
4
BC
-
-
-
-
CGY
-
-
-
-
9
CALGARY
Calgary Stampeders
Reilly, Lions’ defence dominate Stamps for 1st win
A big passing performance from Michael Reilly and a dominant showing from the Lions’ defence guided BC to a 15-9 road win over the Calgary Stampeders on Thursday night to kick off Week 2.
Attendance: 21,029
Share
collapse
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Final
TOR
7
@
20
WPG
WPG
Gametracker
TORONTO
Argonauts
7
Final
1
2
3
4
TOR
-
-
-
-
WPG
-
-
-
-
20
WINNIPEG
Blue Bombers
Bombers defeat Argos for second-straight win
The Winnipeg Blue Bombers defeated the Toronto Argonauts on Saturday night to pick up their second-straight win.
Attendance: 22,143
Share
collapse
expand
Final
MTL
30
@
13
EDM
EDM
Gametracker
MONTREAL
Alouettes
30
Final
1
2
3
4
MTL
-
-
-
-
EDM
-
-
-
-
13
EDMONTON
Elks
Alouettes collect win over Elks in season opener
The Montreal Alouettes collected their first win of the season and handed Edmonton their second loss in a row.
Attendance: 25,116
Share
collapse
expand
Final
HAM
8
@
30
SSK
SSK
Gametracker
HAMILTON
Tiger-Cats
8
Final
1
2
3
4
HAM
-
-
-
-
SSK
-
-
-
-
30
SASKATCHEWAN
Roughriders
Riders look sharp in dominant win over Ticats
The Saskatchewan Roughriders’ defence set the table for the offence and Cody Fajardo and co. feasted in their Week 2 win over the Hamilton Tiger-Cats.
Attendance: 27,076
Share
Week 3
collapse
expand
Final
EDM
21
@
16
BC
BC
Gametracker
EDMONTON
Elks
21
Final
1
2
3
4
EDM
-
-
-
-
BC
-
-
-
-
16
BC
Lions
Breakthrough: Elks find offence in win at BC
The Edmonton Elks finally tapped into the wealth of resources in its offence on Thursday, picking up their first win of the season over the BC Lions.
Attendance: 12,500
Share
collapse
expand
Final
MTL
22
@
28
CGY
CGY
Gametracker
MONTREAL
Alouettes
22
Final
1
2
3
4
MTL
-
-
-
-
CGY
-
-
-
-
28
CALGARY
Calgary Stampeders
Jake Maier wins CFL debut as Stamps hold off Als
Rookie quarterback Jake Maier helped lead the Calgary Stampeders to their first win of the season with a 28-22 victory over the Montreal Alouettes at McMahon Stadium on Friday night.
Attendance: 21,199
Share
collapse
expand
Final
WPG
23
@
30
TOR
TOR
Gametracker
WINNIPEG
Blue Bombers
23
Final
1
2
3
4
WPG
-
-
-
-
TOR
-
-
-
-
30
TORONTO
Argonauts
Argos hand Bombers first loss with commanding home win
The Toronto Argonauts handed the Winnipeg Blue Bombers their first loss of the season with a 30-27 win.
Attendance: 9,866
Share
collapse
expand
Final
OTT
10
@
23
SSK
SSK
Gametracker
OTTAWA
REDBLACKS
10
Final
1
2
3
4
OTT
-
-
-
-
SSK
-
-
-
-
23
SASKATCHEWAN
Roughriders
Riders remain league's only undefeated team with win over REDBLACKS
The Saskatchewan Roughriders remain the CFL’s only undefeated team through 3 weeks after defeating the Ottawa REDBLACKS 23-10.
Attendance: 28,559
Share
Week 4
collapse
expand
Final
HAM
27
@
10
MTL
MTL
Gametracker
HAMILTON
Tiger-Cats
27
Final
1
2
3
4
HAM
-
-
-
-
MTL
-
-
-
-
10
MONTREAL
Alouettes
Ticats spoil Als' homecoming to earn first win
The Hamilton Tiger-Cats earned their first win of the season Friday night, ruining the Montreal Alouettes homecoming in the process.
Attendance: 14,753
Share
collapse
expand
Final
BC
24
@
12
OTT
OTT
Gametracker
BC
Lions
24
Final
1
2
3
4
BC
-
-
-
-
OTT
-
-
-
-
12
OTTAWA
REDBLACKS
Lions pick up a win in rainy Ottawa
In his return to TD Place Stadium, Rick Campbell and the BC Lions came out on top, winning 24-12.
Attendance: 15,000
Share
collapse
expand
Final
CGY
16
@
18
WPG
WPG
Gametracker
CALGARY
Calgary Stampeders
16
Final
1
2
3
4
CGY
-
-
-
-
WPG
-
-
-
-
18
WINNIPEG
Blue Bombers
Bombers complete last-minute comeback against Stamps for 3rd win
Rookie kicker Marc Liegghio nailed a 45-yard field goal with 37 seconds remaining to give the Winnipeg Blue Bombers a thirlling 18-16 win over the Calgary Stampeders to close out Week 4 on Sunday.
Attendance: 22,806
Share
collapse
expand
Final
EDM
13
@
7
TOR
TOR
Gametracker
EDMONTON
Elks
13
Final
1
2
3
4
EDM
-
-
-
-
TOR
-
-
-
-
7
TORONTO
Argonauts
Elks down Argos for third win of season
The Edmonton Elks defeated the Toronto Argonauts on Tuesday night at BMO Field.
Attendance: 6,247
Share
Week 5
collapse
expand
Final
MTL
51
@
29
OTT
OTT
Gametracker
MONTREAL
Alouettes
51
Final
1
2
3
4
MTL
-
-
-
-
OTT
-
-
-
-
29
OTTAWA
REDBLACKS
Alouettes dominate in win over REDBLACKS
The Montreal Alouettes dominated in the team’s win over the REDBLACKS in Ottawa on Friday night.
Attendance: 15,000
Share
collapse
expand
Final
WPG
23
@
8
SSK
SSK
Gametracker
WINNIPEG
Blue Bombers
23
Final
1
2
3
4
WPG
-
-
-
-
SSK
-
-
-
-
8
SASKATCHEWAN
Roughriders
Bombers hand Riders their first loss of the season in a defensive showdown
The Winnipeg Blue Bombers got the best of the Saskatchewan Roughriders in the Labour Day Classic with a 23-8 win
Attendance: 32,975
Share
collapse
expand
Final
TOR
19
@
32
HAM
HAM
Gametracker
TORONTO
Argonauts
19
Final
1
2
3
4
TOR
-
-
-
-
HAM
-
-
-
-
32
HAMILTON
Tiger-Cats
Ticats defeat Argos for 7th straight Labour Day Classic victory
The Hamilton Tiger-Cats defeated the Toronto Argonauts 32-19 on Monday for a Labour Day Classic victory in the first game at Tim Hortons Field in 659 days.
Attendance: 15,000
Share
collapse
expand
Final
EDM
32
@
20
CGY
CGY
Gametracker
EDMONTON
Elks
32
Final
1
2
3
4
EDM
-
-
-
-
CGY
-
-
-
-
20
CALGARY
Calgary Stampeders
Elks end LD drought with win over Stamps
Trevor Harris and the Edmonton Elks returned to action and didn’t miss a beat, winning on Labour Day in Calgary for the first time in 10 years.
Attendance: 31,039
Share
Week 6
collapse
expand
Final
HAM
16
@
17
TOR
TOR
Gametracker
HAMILTON
Tiger-Cats
16
Final
1
2
3
4
HAM
-
-
-
-
TOR
-
-
-
-
17
TORONTO
Argonauts
Argos hold off Ticats to claim 1st place in East
The Toronto Argonauts claimed first place in the East Division after holding off the Hamilton Tiger-Cats for a 17-16 win on Friday night at BMO Field to kick off Week 6.
Attendance: 9,702
Share
collapse
expand
Final
SSK
9
@
33
WPG
WPG
Gametracker
SASKATCHEWAN
Roughriders
9
Final
1
2
3
4
SSK
-
-
-
-
WPG
-
-
-
-
33
WINNIPEG
Blue Bombers
Bombers defeat Riders for a second-straight Banjo Bowl title
The Winnipeg Blue Bombers secured their second-straight Banjo Bowl title over the Saskatchewan Roughriders after defeating them 33-9.
Attendance: 33,234
Share
collapse
expand
Final
CGY
32
@
16
EDM
EDM
Gametracker
CALGARY
Calgary Stampeders
32
Final
1
2
3
4
CGY
-
-
-
-
EDM
-
-
-
-
16
EDMONTON
Elks
Stamps put the clamps on Elks' offence for 2nd win
The Labour Day rematch shifted from offence to defence in Edmonton, with the Stamps pulling out a 32-16 win.
Attendance: 33,493
Share
collapse
expand
Final
OTT
13
@
45
BC
BC
Gametracker
OTTAWA
REDBLACKS
13
Final
1
2
3
4
OTT
-
-
-
-
BC
-
-
-
-
45
BC
Lions
Lions roar in dominant win over REDBLACKS
The BC Lions got touchdowns from all three of their units on Saturday night, en route to a convincing win over the visiting Ottawa REDBLACKS.
Attendance: 12,552
Share
Week 7
collapse
expand
Final
CGY
17
@
23
HAM
HAM
Gametracker
CALGARY
Calgary Stampeders
17
Final
1
2
3
4
CGY
-
-
-
-
HAM
-
-
-
-
23
HAMILTON
Tiger-Cats
Ticats capitalize on turnovers to take down Stamps
Simoni Lawrence notched his second pick-six of the season and Taylor Bertolet added five field goals to help the Hamilton Tiger-Cats claim a 23-17 win over the Calgary Stampeders.
Attendance: 15,000
Share
collapse
expand
Final
TOR
16
@
30
SSK
SSK
Gametracker
TORONTO
Argonauts
16
Final
1
2
3
4
TOR
-
-
-
-
SSK
-
-
-
-
30
SASKATCHEWAN
Roughriders
Fajardo, Powell lead Riders past Argos to snap losing skid
Cody Fajardo accounted for three touchdowns and William Powell rushed for 122 yards as the Saskatchewan Roughriders claimed a 30-16 win over the Toronto Argonauts.
Attendance: 25,883
Share
collapse
expand
Final
BC
27
@
18
MTL
MTL
Gametracker
BC
Lions
27
Final
1
2
3
4
BC
-
-
-
-
MTL
-
-
-
-
18
MONTREAL
Alouettes
Lions knock off Als for a third consecutive win
Michael Reilly’s two passing touchdowns and 308 passing yards were the deciding factors in the BC Lions’ 27-18 win over the Montreal Alouettes.
Attendance: 13,591
Share
collapse
expand
Final
WPG
37
@
22
EDM
EDM
Gametracker
WINNIPEG
Blue Bombers
37
Final
1
2
3
4
WPG
-
-
-
-
EDM
-
-
-
-
22
EDMONTON
Elks
Bombers down Elks for sixth win of the season
The Winnipeg Blue Bombers defeated the Edmonton Elks on Saturday night for their sixth win of the season.
Attendance: 23,310
Share
Week 8
collapse
expand
Final
HAM
24
@
7
OTT
OTT
Gametracker
HAMILTON
Tiger-Cats
24
Final
1
2
3
4
HAM
-
-
-
-
OTT
-
-
-
-
7
OTTAWA
REDBLACKS
Tiger-Cats take down REDBLACKS in rainy affair
The Hamilton Tiger-Cats defeated the Ottawa REDBLACKS on Wednesday night at TD Place.
Attendance: 12,041
Share
collapse
expand
Final
MTL
27
@
30
TOR
TOR
Gametracker
MONTREAL
Alouettes
27
Final
1
2
3
4
MTL
-
-
-
-
TOR
-
-
-
-
30
TORONTO
Argonauts
Bethel-Thompson steps up to help lead Argos past Als
McLeod Bethel-Thompson threw two touchdown passes to help lead the Toronto Argonauts to a 30-27 win over the Montreal Argonauts in Week 8 action on Friday night at BMO Field.
Attendance: 7,758
Share
collapse
expand
Final
SSK
31
@
24
BC
BC
Gametracker
SASKATCHEWAN
Roughriders
31
Final
1
2
3
4
SSK
-
-
-
-
BC
-
-
-
-
24
BC
Lions
Fajardo's Last-minute heroics lift Riders over Lions
The Saskatchewan Roughriders snapped the BC Lions’ three-game winning streak in dramatic fashion, winning 31-24.
Attendance: 12,500
Share
Week 9
collapse
expand
Final
EDM
24
@
34
OTT
OTT
Gametracker
EDMONTON
Elks
24
Final
1
2
3
4
EDM
-
-
-
-
OTT
-
-
-
-
34
OTTAWA
REDBLACKS
REDBLACKS down Elks for second win of season
The Ottawa REDBLACKS notched their second win of the season after defeating the Edmonton Elks on Tuesday night.
Attendance: 12,108
Share
collapse
expand
Final
WPG
30
@
9
BC
BC
Gametracker
WINNIPEG
Blue Bombers
30
Final
1
2
3
4
WPG
-
-
-
-
BC
-
-
-
-
9
BC
Lions
Collaros leads Bombers past Lions for 5th straight win
Zach Collaros passed for 417 yards and two touchdowns to help the Winnipeg Blue Bombers claim a dominant 30-9 win over the BC Lions on Friday night in Vancouver.
Attendance: 12,500
Share
collapse
expand
Final
MTL
23
@
20
HAM
HAM
Gametracker
MONTREAL
Alouettes
23
Final
1
2
3
4
MTL
-
-
-
-
HAM
-
-
-
-
20
HAMILTON
Tiger-Cats
Als pull out dramatic OT win in Hamilton
Vernon Adams Jr. and the Montreal Alouettes pulled out a dramatic 23-20 overtime win over the Hamilton Tiger-Cats at Tim Hortons Field.
Attendance: 18,000
Share
collapse
expand
Final
SSK
17
@
23
CGY
CGY
Gametracker
SASKATCHEWAN
Roughriders
17
Final
1
2
3
4
SSK
-
-
-
-
CGY
-
-
-
-
23
CALGARY
Calgary Stampeders
Stamps hold on to down Roughriders
The Calgary Stampeders survived a late scare from the Saskatchewan Roughriders on Saturday night, handing the Riders their third loss of the season.
Attendance: 25,516
Share
Week 10
collapse
expand
Final
OTT
16
@
35
TOR
TOR
Gametracker
OTTAWA
REDBLACKS
16
Final
1
2
3
4
OTT
-
-
-
-
TOR
-
-
-
-
35
TORONTO
Argonauts
Argos roll past REDBLACKS to remain perfect at home
The Toronto Argonauts put up 27 third-quarter points and scored in all three phases to claim a 35-16 win over the Ottawa REDBLACKS on Wednesday night.
Attendance: 6,788
Share
collapse
expand
Final
EDM
3
@
30
WPG
WPG
Gametracker
EDMONTON
Elks
3
Final
1
2
3
4
EDM
-
-
-
-
WPG
-
-
-
-
30
WINNIPEG
Blue Bombers
Bombers shut down Elks for 6th straight win
The league-leading Winnipeg Blue Bombers remained perfect at home and earned their fifth straight win with a 30-3 victory over the Edmonton Elks on Friday night.
Attendance: 27,388
Share
collapse
expand
Final
CGY
22
@
19
SSK
SSK
Gametracker
CALGARY
Calgary Stampeders
22
Final
1
2
3
4
CGY
-
-
-
-
SSK
-
-
-
-
19
SASKATCHEWAN
Roughriders
Stamps' last-minute field goal walks off Riders for second-straight win
Rene Paredes’ last-minute field goal captured the Calgary Stampeders’ second-straight win over the Saskatchewan Roughriders 22-19.
Attendance: 27,964
Share
collapse
expand
Final
OTT
16
@
20
MTL
MTL
Gametracker
OTTAWA
REDBLACKS
16
Final
1
2
3
4
OTT
-
-
-
-
MTL
-
-
-
-
20
MONTREAL
Alouettes
Als take down REDBLACKS with last-minute touchdown
Backup quarterback Matthew Shiltz led a touchdown drive in the final two minutes as the Montreal Alouettes came back to defeat the Ottawa REDBLACKS with a 20-16 win on Thanksgiving Monday.
Attendance: 15,236
Share
collapse
expand
Final
TOR
24
@
23
HAM
HAM
Gametracker
TORONTO
Argonauts
24
Final
1
2
3
4
TOR
-
-
-
-
HAM
-
-
-
-
23
HAMILTON
Tiger-Cats
Last-second field goal lifts Argos over Ticats
Boris Bede’s 44-yard attempt secured the Toronto Argonauts’ second-straight win as they downed the Hamilton Tiger-Cats 24-23.
Attendance: 21,378
Share
Week 11
collapse
expand
Final
WPG
26
@
16
EDM
EDM
Gametracker
WINNIPEG
Blue Bombers
26
Final
1
2
3
4
WPG
-
-
-
-
EDM
-
-
-
-
16
EDMONTON
Elks
Bombers defeat Elks to clinch playoff spot
The Winnipeg Blue Bombers punched their ticket to the playoffs with a 26-16 victory over the Edmonton Elks on Friday night at Commonwealth Stadium.
Attendance: 24,276
Share
collapse
expand
Final
MTL
27
@
16
OTT
OTT
Gametracker
MONTREAL
Alouettes
27
Final
1
2
3
4
MTL
-
-
-
-
OTT
-
-
-
-
16
OTTAWA
REDBLACKS
Shiltz leads Als past REDBLACKS
In his first start of the season, Matthew Shiltz led the Montreal Alouettes past the Ottawa REDBLACKS 27-16.
Attendance: 16,139
Share
collapse
expand
Final
CGY
39
@
10
BC
BC
Gametracker
CALGARY
Calgary Stampeders
39
Final
1
2
3
4
CGY
-
-
-
-
BC
-
-
-
-
10
BC
Lions
Stamps cruise past Lions for third-straight win
The Calgary Stampeders continued their climb u the West Division standings with a convincing win over the BC Lions on Saturday night.
Attendance: 12,500
Share
Week 12
collapse
expand
Final
TOR
16
@
37
MTL
MTL
Gametracker
TORONTO
Argonauts
16
Final
1
2
3
4
TOR
-
-
-
-
MTL
-
-
-
-
37
MONTREAL
Alouettes
Stanback leads Als to big win over Argos
Behind a 203-yard rushing night from William Stanback, the Montreal Alouettes topped the Toronto Argonauts 37-16 on Friday night at Molson Stadium.
Attendance: 12,142
Share
collapse
expand
Final
OTT
3
@
32
HAM
HAM
Gametracker
OTTAWA
REDBLACKS
3
Final
1
2
3
4
OTT
-
-
-
-
HAM
-
-
-
-
32
HAMILTON
Tiger-Cats
Ticats down REDBLACKS for fifth win of the season
The Ticats improved to .500 on the season as they collected their fifth win of the season, downing the Ottawa REDBLACKS 32-3.
Attendance: 20,112
Share
collapse
expand
Final
BC
0
@
45
WPG
WPG
Gametracker
BC
Lions
0
Final
1
2
3
4
BC
-
-
-
-
WPG
-
-
-
-
45
WINNIPEG
Blue Bombers
Bombers clinch West Division with dominant win over BC
The Winnipeg Blue Bombers clinched the top spot in the West Division with a win over the BC Lions on Saturday night.
Attendance: 23,750
Share
collapse
expand
Final
SSK
20
@
17
CGY
CGY
Gametracker
SASKATCHEWAN
Roughriders
20
Final
1
2
3
4
SSK
-
-
-
-
CGY
-
-
-
-
17
CALGARY
Calgary Stampeders
Riders defeat Stamps in regular season series finale
The Saskatchewan Roughriders defeated the Calgary Stampeders 20-17 in the final of their three-game series
Attendance: 21,672
Share
Week 13
collapse
expand
Final
CGY
26
@
13
OTT
OTT
Gametracker
CALGARY
Calgary Stampeders
26
Final
1
2
3
4
CGY
-
-
-
-
OTT
-
-
-
-
13
OTTAWA
REDBLACKS
Stamps bounce back with win over REDBLACKS
The Calgary Stampeders returned to their winning ways with a 26-13 victory over the Ottawa REDBLACKS on Friday night at TD Place.
Attendance: 15,280
Share
collapse
expand
Final
HAM
39
@
23
EDM
EDM
Gametracker
HAMILTON
Tiger-Cats
39
Final
1
2
3
4
HAM
-
-
-
-
EDM
-
-
-
-
23
EDMONTON
Elks
Ticats down Elks for second win in a row
The Hamilton Tiger-Cats downed the Edmonton Elks 39-23 for their second win in a row.
Attendance: 22,857
Share
collapse
expand
Final
BC
29
@
31
TOR
TOR
Gametracker
BC
Lions
29
Final
1
2
3
4
BC
-
-
-
-
TOR
-
-
-
-
31
TORONTO
Argonauts
Argos punch playoff ticket in OT win over Lions
The Toronto Argonauts defeated the BC Lions in overtime 31-29 to punch their ticket to the playoffs.
Attendance: 9,011
Share
collapse
expand
Final
SSK
19
@
14
MTL
MTL
Gametracker
SASKATCHEWAN
Roughriders
19
Final
1
2
3
4
SSK
-
-
-
-
MTL
-
-
-
-
14
MONTREAL
Alouettes
Riders top Alouettes in defensive showdown
The Saskatchewan Roughriders leaned on their defence on Saturday night to pull out a 19-14 win over the Montreal Alouettes.
Attendance: 11,817
Share
Week 14
collapse
expand
Final
BC
18
@
26
HAM
HAM
Gametracker
BC
Lions
18
Final
1
2
3
4
BC
-
-
-
-
HAM
-
-
-
-
26
HAMILTON
Tiger-Cats
Ticats clinch playoff spot with win over Lions
The Hamilton Tiger-Cats punched their ticket to the playoffs with a 26-18 win over the BC Lions on Friday night at Tim Hortons Field.
Attendance: 21,618
Share
collapse
expand
Final
SSK
19
@
17
EDM
EDM
Gametracker
SASKATCHEWAN
Roughriders
19
Final
1
2
3
4
SSK
-
-
-
-
EDM
-
-
-
-
17
EDMONTON
Elks
Riders defeat Elks for 3rd straight road win
The Saskatchewan Roughriders held on for their third straight road victory with a 19-17 win over the Edmonton Elks on Friday night at Commonwealth Stadium.
Attendance: 24,115
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REDBLACKS
Argos claw back to defeat REDBLACKS
The Toronto Argonauts battled back from a 20-9 third-quarter deficit to defeat the Ottawa REDBLACKS 23-20.
Attendance: 18,644
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WINNIPEG
Blue Bombers
Bombers down Als for 9th straight win
The Winnipeg Blue Bombers defeated the Montreal Alouettes 31-21 for their ninth straight win of the season
Attendance: 22,933
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Week 15
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Argonauts
Argos roll past Ticats to clinch 1st place in East
The Toronto Argonauts locked up top spot in the East Division with a 31-12 win over the rival Hamilton Tiger-Cats on Friday night at BMO Field.
Attendance: 10,851
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Lions
Stamps down Lions to clinch playoff berth
The Calgary Stampeders punched their ticket to the playoffs after defeating the BC Lions 33-23
Attendance: 12,500
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MONTREAL
Alouettes
Als defeat Bombers to snap their nine-game win streak
The Montreal Alouettes handed the Winnipeg Blue Bombers their first loss since Week 3 with the score of 28-14
Attendance: 12,605
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Roughriders
Riders to host Western Semi-Final with win over Elks
With their win over the Edmonton Elks on Saturday night, the Saskatchewan Roughriders will host the Western Semi-Final on November 28.
Attendance: 26,056
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Week 16
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Alouettes
REDBLACKS storm back to stun Als in season finale
Caleb Evans engineered a late game-winning touchdown drive as the Ottawa REDBLACKS came back to stun the Montreal Alouettes with a 19-18 win on Friday night.
Attendance: 11,297
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Lions
Lions down Elks in dominant season finale
The BC Lions closed out their 2021 season with a dominant win over the Edmonton Elks 43-10
Attendance: 12,500
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HAMILTON
Tiger-Cats
Ticats wrap up reg-season with big win over Riders
A week after a disappointing loss, the Hamilton Tiger-Cats ended their regular-season on a positive note, topping the Saskatchewan Roughriders 24-3.
Attendance: 22,344
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CALGARY
Calgary Stampeders
Stamps stun Bombers with late TD, FG
The Calgary Stampeders closed out their season in dramatic fashion with a last-second field goal lifting them over the Winnipeg Blue Bombers 13-12.
Attendance: 19,103
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Eastern Semi-Final
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Tiger-Cats
Ticats advance to Eastern Final with win over Alouettes
The Hamilton Tiger-Cats have defeated the Montreal Alouettes to advance to the Eastern Final.
Attendance: 21,892
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Roughriders
Riders outlast Stamps in OT thriller to move on to Western Final
The Saskatchewan Roughriders are heading to the Western Final, after defeating the Calgary Stampeders 33-30 in overtime at Mosaic Stadium in Regina.
Attendance: 24,001
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TORONTO
Argonauts
Tiger-Town Bound: Ticats down Argos in Eastern Final
The Hamilton Tiger-Cats erased a 12-0 first-half deficit to down the Toronto Argonauts 27-19 in the Eastern Final, punching their ticket to a hometown Grey Cup next week at Tim Hortons Field.
Attendance: 21,492
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WINNIPEG
Blue Bombers
Bombers book trip to the Grey Cup with win over Riders
The Winnipeg Blue Bombers outlasted the Saskatchewan Roughriders for the 21-17 win to book their trip to the 108th Grey Cup.
Attendance: 31,160
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Grey Cup
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Tiger-Cats
Twice as nice: Bombers win back-to-back Grey Cups
The Winnipeg Blue Bombers defended their Grey Cup championship in an overtime thriller, topping the Hamilton Tiger-Cats 33-25.
Attendance: 26,324
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CFL | News, Scores, Highlights, Stats, Standings, and Rumors | Bleacher Report
| News, Scores, Highlights, Stats, Standings, and Rumors | Bleacher ReportXBleacher ReportBleacher ReportNBAWORLD FOOTBALLNFLAEWWWEMMABOXINGSPORTSSCORESAccountCFLDave Naylor @TSNDaveNaylorAls sign American DB Macon Clark - CFL.caCFLAls sign American DB Macon Clark - CFL.cavia CFL.caLandry: 5 things to watch in CFL Combine season - CFL.caCFLLandry: 5 things to watch in CFL Combine season - CFL.cavia CFL.ca5 current players that attended Invitational Combines - CFL.caCFL5 current players that attended Invitational Combines - CFL.cavia CFL.caRiders sign American DB Jamar Johnson - CFL.caCFLRiders sign American DB Jamar Johnson - CFL.cavia CFL.caCFL @CFLCFL @CFLCFL @CFLO'Leary: Jordan Williams stands as a combine success story - CFL.caCFLO'Leary: Jordan Williams stands as a combine success story - CFL.cavia CFL.caArgos add former CFL QB Drew Tate to coaching staff - CFL.caCFLArgos add former CFL QB Drew Tate to coaching staff - CFL.cavia CFL.caCauz: My ultimate all-current CFL coach/executive roster - 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CFL.caCFLArgos add American OL Nick Amoah - CFL.cavia CFL.caCFL commissioner defends investigation process into allegations made against Argos, Chad Kelly | CBC SportsCFLCFL commissioner defends investigation process into allegations made against Argos, Chad Kelly | CBC Sportsvia CBCMilt Stegall @MiltStegallTSNCFL on TSN @CFLonTSN2024 Grey Cup Festival boasts all-star lineup of official partners - CFL.caCFL2024 Grey Cup Festival boasts all-star lineup of official partners - CFL.cavia CFL.caFerguson: 5 ways Leake, Bede will change Elks' fortunes - CFL.caCFLFerguson: 5 ways Leake, Bede will change Elks' fortunes - CFL.cavia CFL.caMilt Stegall @MiltStegallTSNCFL on TSN @CFLonTSNRiders sign former NFL WR KeeSean Johnson - CFL.caCFLRiders sign former NFL WR KeeSean Johnson - CFL.cavia CFL.caLandry: Predicting the next 10 Most Outstanding Canadians - CFL.caCFLLandry: Predicting the next 10 Most Outstanding Canadians - CFL.cavia CFL.caCFL @CFLCFL @CFLNew Saskatchewan Roughriders ad using 'girl math' sparks backlash from some fans | CBC NewsCFLNew Saskatchewan Roughriders ad using 'girl math' sparks backlash from some fans | CBC Newsvia CBCCFL investigating allegations made against QB Chad Kelly, Argonauts | CBC SportsCFLCFL investigating allegations made against QB Chad Kelly, Argonauts | CBC Sportsvia CBCCFL @CFLCFL @CFLCFL issues statement regarding the Toronto Argonauts and Chad Kelly - CFL.caCFLCFL issues statement regarding the Toronto Argonauts and Chad Kelly - CFL.cavia CFL.caCostabile: 3 players that could have big 2024 campaigns - CFL.caCFLCostabile: 3 players that could have big 2024 campaigns - CFL.cavia CFL.caCFL @CFLMatthew Scianitti @TSNScianittiFormer Winnipeg Blue Bomber, Craig Roh, dead at 33 | CBC NewsCFLFormer Winnipeg Blue Bomber, Craig Roh, dead at 33 | CBC Newsvia CBCAls re-sign cornerback Nafees Lyon - CFL.caCFLAls re-sign cornerback Nafees Lyon - CFL.cavia CFL.caCFL on TSN @CFLonTSNMilt Stegall @MiltStegallTSNStamps sign National DB Christian Joachim - CFL.caCFLStamps sign National DB Christian Joachim - CFL.cavia CFL.caDIS Conversations: Celebrating Black Excellence In Canadian Sport - CFL.caCFLDIS Conversations: Celebrating Black Excellence In Canadian Sport - CFL.cavia CFL.caCFL @CFLMatthew Scianitti @TSNScianittiCauz: 7 defensive backs to watch in 2024 - CFL.caCFLCauz: 7 defensive backs to watch in 2024 - CFL.cavia CFL.caRiders add linebacker Diego Fagot, receiver Dazz Newsome - CFL.caCFLRiders add linebacker Diego Fagot, receiver Dazz Newsome - CFL.cavia CFL.caMilt Stegall @MiltStegallTSNCFL @CFLTicats ink tight end Thaddeus Moss - CFL.caCFLTicats ink tight end Thaddeus Moss - CFL.cavia CFL.caMilanovich looks to add to Ticats' culture - CFL.caCFLMilanovich looks to add to Ticats' culture - CFL.cavia CFL.caCFL @CFLDave Naylor @TSNDaveNaylorFormer Argos employee accuses QB Chad Kelly of harassment, sues team for wrongful dismissal | CBC SportsCFLFormer Argos employee accuses QB Chad Kelly of harassment, sues team for wrongful dismissal | CBC Sportsvia CBCIn A Snap: Bombers re-sign kicker Sergio Castillo - CFL.caCFLIn A Snap: Bombers re-sign kicker Sergio Castillo - CFL.cavia CFL.caCFL @CFLDave Naylor @TSNDaveNaylorLions sign OL Maea Teuhema, DL Alonzo Davis - CFL.caCFLLions sign OL Maea Teuhema, DL Alonzo Davis - CFL.cavia CFL.caNye: Everything wrong with the Way Too Early Power Rankings - CFL.caCFLNye: Everything wrong with the Way Too Early Power Rankings - CFL.cavia CFL.caDave Naylor @TSNDaveNaylorCFL @CFLO'Leary: 3.5 thoughts to take into the weekend - CFL.caCFLO'Leary: 3.5 thoughts to take into the weekend - CFL.cavia CFL.caBombers add a trio of Americans - CFL.caCFLBombers add a trio of Americans - CFL.cavia CFL.caCFL @CFLCFL @CFLD-Line Depth: Ticats re-sign Jamal Davis II, add Nick Usher - CFL.caCFLD-Line Depth: Ticats re-sign Jamal Davis II, add Nick Usher - CFL.cavia CFL.caLandry: An inside look at Tim White's free agency process - CFL.caCFLLandry: An inside look at Tim White's free agency process - CFL.cavia CFL.caCFL @CFLCFL @CFLFerguson: How the Als have thrived this off-season - CFL.caCFLFerguson: How the Als have thrived this off-season - CFL.cavia CFL.caElks sign Last Chance U alum, WR John Franklin III - CFL.caCFLElks sign Last Chance U alum, WR John Franklin III - CFL.cavia CFL.caCFL @CFLCFL @CFLBig Play VA Here To Stay: Lions extend Adams Jr. through 2026 - CFL.caCFLBig Play VA Here To Stay: Lions extend Adams Jr. through 2026 - CFL.cavia CFL.caGas On The Fire: The Way Too Early Power Rankings are here - CFL.caCFLGas On The Fire: The Way Too Early Power Rankings are here - 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It's Trevor Harris - CFL.caCFLCauz: The Riders' off-season winner? It's Trevor Harris - CFL.cavia CFL.caCFL @CFLCFL @CFLArgos sign Americans Dare Rosenthal and Atlias Bell - CFL.caCFLArgos sign Americans Dare Rosenthal and Atlias Bell - CFL.cavia CFL.caReport: Tiger-Cats re-sign receiver Tim White - CFL.caCFLReport: Tiger-Cats re-sign receiver Tim White - CFL.cavia CFL.caMatthew Scianitti @TSNScianittiCFL @CFLMMQB: The West's biggest off-season stories so far - CFL.caCFLMMQB: The West's biggest off-season stories so far - CFL.cavia CFL.caFree Agency brings West Division shakeup - CFL.caCFLFree Agency brings West Division shakeup - CFL.cavia CFL.caMilt Stegall @MiltStegallTSNCFL @CFLSteinberg: 5 impactful defensive Free Agent signings - CFL.caCFLSteinberg: 5 impactful defensive Free Agent signings - CFL.cavia CFL.caRiders add free agent OL Ryan Sceviour - CFL.caCFLRiders add free agent OL Ryan Sceviour - CFL.cavia CFL.caMilt Stegall @MiltStegallTSNCFL @CFLElks sign American running back Camerun Peoples - CFL.caCFLElks sign American running back Camerun Peoples - CFL.cavia CFL.ca10 PFF-approved FA signings - CFL.caCFL10 PFF-approved FA signings - CFL.cavia CFL.caDave Naylor @TSNDaveNaylorCFL @CFLA Big Add: Stamps sign former NFL WR Auden Tate - CFL.caCFLA Big Add: Stamps sign former NFL WR Auden Tate - CFL.cavia CFL.caNye: What are the Ticats' options at receiver? - CFL.caCFLNye: What are the Ticats' options at receiver? - CFL.cavia CFL.caPaul Lukas @UniWatchCFL @CFLFerguson: 9 sneaky good FA signings - CFL.caCFLFerguson: 9 sneaky good FA signings - CFL.cavia CFL.caLongtime Hamilton Tiger-Cats star linebacker Simoni Lawrence retires from football | CBC NewsCFLLongtime Hamilton Tiger-Cats star linebacker Simoni Lawrence retires from football | CBC Newsvia CBCCFL @CFLCFL @CFLArgos extend OL Dejon Allen, RB Deonta McMahon - CFL.caCFLArgos extend OL Dejon Allen, RB Deonta McMahon - CFL.cavia CFL.caLandry's 5 takeaways from Free Agency - CFL.caCFLLandry's 5 takeaways from Free Agency - CFL.cavia CFL.caCFL @CFLPaul Lukas @UniWatchLongtime Ticat Simoni Lawrence announces retirement - CFL.caCFLLongtime Ticat Simoni Lawrence announces retirement - CFL.cavia CFL.caWelcome Home: AJ Ouellette excited to embrace Riderville - CFL.caCFLWelcome Home: AJ Ouellette excited to embrace Riderville - CFL.cavia CFL.caCFL @CFLDave Naylor @TSNDaveNaylorNewly signed running back A.J. Ouellette ready to hit the field for the RoughridersCFLNewly signed running back A.J. 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CFL(CFL收敛条件判断数)_百度百科
CFL收敛条件判断数)_百度百科 网页新闻贴吧知道网盘图片视频地图文库资讯采购百科百度首页登录注册进入词条全站搜索帮助首页秒懂百科特色百科知识专题加入百科百科团队权威合作下载百科APP个人中心CFL是一个多义词,请在下列义项上选择浏览(共3个义项)添加义项收藏查看我的收藏0有用+10CFL播报讨论上传视频CFL收敛条件判断数本词条缺少概述图,补充相关内容使词条更完整,还能快速升级,赶紧来编辑吧!CFL数是计算流体力学中,判断计算的收敛条件,具体是差分方程的依赖域必须包含相应微分方程的依赖域,最简单可以理解为时间推进求解的速度必须大于物理扰动传播的速度,只有这样才能将物理上所有的扰动俘获到。Time stepping technique是指时间推进技术,一般有统一时间步长和当地时间步长,而选择当地时间步长也就是当地CFL条件允许的最大时间步长,采用这种方法能够加速收敛,节省计算时间。中文名收敛条件判断数所属学科流体力学英文名CFL目录1来历2具备条件3意义来历播报编辑在有限差分和有限体积方法中的稳定性和收敛性分析中有一个很重要的概念------CFL条件。CFL条件是以Courant,Friedrichs,Lewy三个人的名字命名的,他们最早在1928年一篇关于偏微分方程的有限差分方法的文章中首次提出这个概念的时候,并不是用来分析差分格式的稳定性,而是仅仅以有限差分方法作为分析工具来证明某些偏微分方程的解的存在性的。其基本思想是先构造PDE的差分方程得到一个逼近解的序列,只要知道在给定的网格系统下这个逼近序列收敛,那么就很容易证明这个收敛解就是原微分方程的解。具备条件播报编辑Courant,Friedrichs,Lewy发现,要使这个逼近序列收敛,必须满足一个条件,记述如下:一个数值方法只有在其依赖的数值域内包含双曲型方程的差分格式收敛的必要条件(当满足Lax条件时,收敛亦即稳定)是差分格式的依赖域包含了微分方程的依赖域。原文为:CFL condition:A numerical method can be convergent only if its numerical domain of dependence contains the true domain of dependence of the PDE, at least in the limit as dt and dx go to zero.意义播报编辑随着计算机的迅猛发展,有限差分方法和有限体积方法越来越多的应用于流体力学的数值模拟中,CFL条件作为一个格式稳定性和收敛性的判据,也随之显得非常重要了。但值得注意的是,CFL条件仅仅是稳定性(收敛性)的必要条件,而不是充分条件。举例来说,数值流通量构造方法中的算术平均构造,它在dt足够小的情况下是可以满足CFL条件,但对于双曲问题而言这种构造方法是不稳定,不可用的。在双曲问题的现格式方法中,一般取CFL数小于1且在1附近的值,这样沿特征线的传播不至于偏离得太远或者太近,进而可以保证数值解得准确性。在抛物型问题中对CFL条件的要求要来得更加严格,因为在下一个时间层上的任意一点上的影响域是所有时间层上所有离散点。怎样在差分格式中体现抛物型问题的这样一个特点呢?一般对于显式格式,可以取时间步长dt=O(dx~2);更好的方法是采用隐式格式。许可飞行高度层(CFL)新手上路成长任务编辑入门编辑规则本人编辑我有疑问内容质疑在线客服官方贴吧意见反馈投诉建议举报不良信息未通过词条申诉投诉侵权信息封禁查询与解封©2024 Baidu 使用百度前必读 | 百科协议 | 隐私政策 | 百度百科合作平台 | 京ICP证030173号 京公网安备110000020000CFD理论|什么是库朗数? - 知乎
CFD理论|什么是库朗数? - 知乎首发于数值模拟(CFD与CAE)切换模式写文章登录/注册CFD理论|什么是库朗数?BB学长中南大学 工学硕士今天我们要聊一聊库朗数 对于瞬态CFD计算,库朗数的设置至关重要。库朗数,有几个别的名字,又叫做CFL准则,或CFL数。二维中释义我们从二维网格讲起,考虑流动从左往右流过矩形网格。 矩形网格的单位长度为\Delta x,流过矩形网格的速度为U。 经过一段时间\Delta t后,可以计算出,流体在矩形网格中运动U \Delta t的距离,\Delta t越大,运动的距离越长。 库朗数的物理意义就是时间步长内流体运动距离与矩形网格单位长度的比值:Co = \frac{流体运动距离}{网格长度}=\frac{U \Delta t}{\Delta x}\\ 如下图所示,当库朗数Co=0.3时,实际上可以理解为,在给定时间步长内流体在网格中移动了网格长度30%的距离;但当Co=1.1时,如右图所示,在给定时间步长内流体移动距离超过网格长度10%。 当时间步长、流体速度、网格长度任意一项发生变化,库朗数也会发生变化。 因此库朗数可以简单理解为一个比值,在给定时间步长和给定网格中,流体在网格中的运动距离。三维中释义对于三维中复杂的网格,我们应该如何去解释库朗数呢? 三维中网格有四面体、六面体和多面体等复杂的几何网格,我们需要更为通用的库朗数定义方法,以便适用于更为复杂的三维网格。需要找到对所有类型网格都适用的方法来定义网格的长度\Delta x及速度U,它们分别可以确定库朗数计算式的分子与分母。 在CFD中,网格长度\Delta x是通过网格体积比上网格总表面积来表征:\Delta x=\frac{\text { Cell Volume }}{\text { Total Surface Area }}=\frac{V}{A} \\这个定义方式对所有形状的网格都起作用。网格的总表面积就是将组成网格的所有面的面积累加起来。 下一步需要完成的是单独考虑构成网格的面。我们需要得到垂直于面的速度。 左图中网格与二维中提到的网格一样,但在三维中,速度的方向不一定垂直于面。由于速度与面呈夹角,流体的运动距离只有图中阴影部分显示的距离,因此我们需要对速度取面法向方向上的速度分量\left(\boldsymbol{U}_{f} \cdot \hat{\boldsymbol{n}}_{f}\right),这个法向指的是面指向网格质心的方向;再将该分量乘于时间步长\Delta t就可以得到流体的运动距离。这种定义方法对于右侧多面体网格同样也是使用的。因此在三维网格中,库朗数的定义为:C o=\sum_{\text {Faces }}\left(U_{f} \cdot \hat{n}_{f}\right) * \Delta t * \frac{A_{j}}{V_{p}} \\仔细观察,从质量守恒角度出发,该方程存在问题,网格所有表面的总体积通量之和为零。\sum_{\text {Faces }}\left(U_{f} \cdot \hat{n}_{f}\right) A_{f}=0 \\ 因此我们需要绕过体积通量。因此我们采用的是体积通量\left(\boldsymbol{U}_{f} \cdot \hat{\boldsymbol{n}}_{f}\right)的大小。 在上图第一个图中,左右表面的速度均与法向呈一定夹角,如果把这两个表面的体积通量加起来,就会等于零。 但如果我们取它们的绝对值,情况就变成下半部分的图,右表面的体积流量方向被反转,此时库朗数的定义就不为零了。我们还需要定义一个因子\frac{1}{2},否则体积通量会变为实际的两倍。\begin{array}{rlr} -4+4=0 & \left(U_{f} \cdot \hat{n}_{f}\right) \\ 4+4=8 & \left|U_{f} \cdot \hat{n}_{f}\right| \\ 1 / 2(4+4)=4 & 1 / 2 *\left|U_{f} \cdot \hat{n}_{f}\right| \end{array}\\比方说,如果左表面的体积通量为4,右表面是-4,它们的和就是0;如果取体积通量的绝对值,则他们的和为8,比实际的更大;因此可以乘上\frac{1}{2},这样我们就可以考虑单个表面。综上所述,库朗数在三维中的定义方式为:C o=\sum_{\text {Faces }} \frac{1}{2} *\left|\left(U_{f} \cdot \hat{n}_{f}\right)\right| * \Delta t * \frac{A_{f}}{V_{p}} \\将\frac{1}{2}从求和公式提出来,可以得到:C o=\frac{1}{2} * \Delta t * \frac{\sum_{f}\left|U_{f} \cdot \hat{n}_{f}\right| A_{f}}{V_{p}} \\From油管:Fluid Mechanics101公众号:BB学长编辑于 2021-04-13 15:19流体计算流体力学(CFD)数值模拟赞同 21637 条评论分享喜欢收藏申请转载文章被以下专栏收录数值模拟(CFD与CAE)介绍CFD、CAE相关基础知识及应用!CFD基
库朗数 Courant–Friedrichs–Lewy condition(CFL条件,柯朗-弗里德里希斯-列维条件) - 知乎
库朗数 Courant–Friedrichs–Lewy condition(CFL条件,柯朗-弗里德里希斯-列维条件) - 知乎首发于技术篇[自用篇]切换模式写文章登录/注册库朗数 Courant–Friedrichs–Lewy condition(CFL条件,柯朗-弗里德里希斯-列维条件)Rankin"你不需要是个天才,才有资格分享知识。
"【转】Courant–Friedrichs–Lewy condition(CFL条件,柯朗-弗里德里希斯-列维条件) - H_OU - 博客园 (cnblogs.com)In mathematics, the Courant–Friedrichs–Lewy condition (CFL condition) isa necessary condition for convergence while solving certain partial differential equations (usually hyperbolic PDEs) numerically by the method of finite differences.[1]虽然在Citcom解地幔对流中,每一个时间步是有限元法,但是在时间演化上,仍然是有限差分。我现在,还没见到过有限元用在时间演化(时间导数)上的。It arises when explicit time-marching schemes(显式时间推进计划,显式格式条件稳定和条件收敛,而隐式格式往往是无条件稳定和无条件收敛的,但是不容易求解数值解。)are used for the numerical solution. As a consequence, the time step must be less than a certain time in many explicit time-marching computer simulations, otherwise the simulation will produce incorrect results. The condition is named after Richard Courant, Kurt Friedrichs, and Hans Lewy who described it in their 1928 paper.[2]Heuristic descriptionThe information behind the condition is that, for example, if a wave is moving across a discrete spatial grid and we want to compute its amplitude at discrete time steps of equal length,[3] then this length must be less than the time for the wave to travel to adjacent grid points. As a corollary,when the grid point separation is reduced, the upper limit for the time step also decreases. (当空间网格的长度减小时,时间步的长度也应该减小,恩,怪不得当我Citcom中,把空间步长减小时,时间演化就会减慢。原来是在这里啊)In essence, the numerical domain of dependence of any point in space and time (which data values in the initial conditions affect the numerical computed value at that point) must include the analytical domain of dependence (where in the initial conditions has an effect on the exact value of the solution at that point) in order to assure that the scheme can access the information required to form the solution.The CFL conditionIn order to make a reasonably formally precise statement of the condition, it is necessary to define the following quantities Spatial coordinate: it is one of the coordinates of the physical space in which the problem is posed. Spatial dimension of the problem: it is the number n of spatial dimensions i.e. the number of spatial coordinates of the physical space where the problem is posed. Typical values are n=1, n=2 and n=3. Time: it is the coordinate, acting as a parameter, which describes the evolution of the system, distinct from the spatial coordinates.The spatial coordinates and the time are supposed to be discrete valued independent variables, whose minimal steps are called respectively the interval length[4] and the time step: the CFL condition relates the length of the time step to a function interval lengths of each spatial variable.Operatively, theCFLcondition is commonly prescribed for those terms of the finite-difference approximation of general partial differential equations which model theadvection phenomenon.[5]The one-dimensional caseFor one-dimensional case, the CFL has the following form:where u is the velocity (whose dimension is Length/Time) \Delta t is the time step (whose dimension is Time) \Delta x is the length interval (whose dimension is Length), C is a dimensionless constant which depends only on the particular equation to be solved.[6]The dimensionless numberis called the Courant number.例如,对于波动方程而言,niu我一般取0.1,当然,其实niu=0.5就行了,但是,演化不了多少步就会发散。The two and general n-dimensional caseIn the two-dimensional case, the CFL condition becomeswith obvious meaning of the symbols involved. By analogy with the two-dimensional case, the general CFL condition for the n-dimensional case is the following one:Note that the interval length it is not required to be the same for each spatial variable \Delta x_i, i =1, ..., n. This "degree of freedom" can be used in order to somewhat optimize the value of the time step for a particular problem, by varying the values of the different interval in order to keep it not too small. Implications of the CFL conditionThe CFL condition is only a necessary one只是必要条件,并非充分条件As already remarked, the CFL conditionis a necessary condition, but may not be sufficient for the convergence of the Finite-difference approximation of a given numerical problem. Thus, in order to establish the convergence of the finite-difference approximation, it is necessary to use other methods, which in turn could imply further limitations on the length of the time step and/or the lengths of the spatial intervals.The CFL condition can be a very strong requirementThe CFL condition can be a very limiting constraint on the time step \Delta t: for example, in the finite-difference approximation of certain fourth-order nonlinear partial differential equations, it can have the following formmeaning that a decrease in the length interval \Delta x requires a fourth order decrease in the time step \Delta t for the condition to be fulfilled. Therefore, when solving particularly stiff problems, efforts are often made to avoid the CFL condition, for example by using implicit methods. However, in a recent work,[7] a modern dynamical systems approaches to modeling, based upon center manifold theory, is demonstrated to provide theoretical support for the construction of non-traditional discretisations that automatically overcome the CFL restriction: see the article by Roberts (2003) for further information.发布于 2021-09-19 12:07fluent赞同 11添加评论分享喜欢收藏申请转载文章被以下专栏收录技术篇[自用篇]提升工作效率的小t