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Forum: Main CFD Forum

August 18, 2013, 05:20

Replies: 5

Compact finite difference

Views: 1,603

Posted By FMDenaro

implicit or explicit depends on what you decide...

implicit or explicit depends on what you decide to do...for an explicit scheme you compute f' at time tn with f(tn) known term and then solve explicitly for f(tn+1).

Forum: Main CFD Forum

August 17, 2013, 11:53

Replies: 5

Compact finite difference

Views: 1,603

Posted By FMDenaro

In the system, f is assumed to be the known term....

In the system, f is assumed to be the known term. Hence, start from assigned values f(x,0), compute f' and solve the equation df/dt + c f'=0. Repeat for each time step. Be careful in the BCs.

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