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Forum: Main CFD Forum

January 1, 2012, 11:02

Replies: 5

Problem with Backward Euler Results

Views: 1,587

Posted By Hooman

ooh I just realize that I have written the...

ooh I just realize that I have written the equations wrong here. They should be:
dy1/dt = f(y1,y2)
dy2/dt = g(y1,y2)

Forum: Main CFD Forum

January 1, 2012, 10:59

Replies: 5

Problem with Backward Euler Results

Views: 1,587

Posted By Hooman

I just realized that if I use really small time...

I just realized that if I use really small time steps (much smaller than that of explicit euler) my reuslts become OK. I am now thinking it could be because I used forward euler to work out the...

Forum: Main CFD Forum

December 29, 2011, 11:53

Replies: 5

Problem with Backward Euler Results

Views: 1,587

Posted By Hooman

Any ideas?

Any ideas?

Forum: Main CFD Forum

December 25, 2011, 08:37

Replies: 5

Problem with Backward Euler Results

Views: 1,587

Posted By Hooman

yes, that's what I meant. Sorry!

yes, that's what I meant. Sorry!

Forum: Main CFD Forum

December 22, 2011, 10:51

Replies: 5

Problem with Backward Euler Results

Views: 1,587

Posted By Hooman

Problem with Backward Euler Results

Hi,

I have tried to solve a system of equations in the form:
dy1/dt = y1 +dt*f(y1,y2)
dy2/dt = y2 +dt*f(y1,y2)

using different schemes such as forward Euler and backward (implicit) Euler and...

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