I have written a simple code for 2D flow over cylinder.
The code is working fine, and upto certain time steps results are also fine,
but after certain timestep the force value starts decreasing till infinity.
I have checked it so many time but no luck.
can anybody please check this code and suggest me the correction?
Kjetil K. Haugen
Are you aware of debuggers? Such programs may be extremely helpful in understand how and why a computer program behaves badly for certain parameter combinations.
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Vicente Mendoza Reyes
You can set a threshold for the force value, which you said "decreases till infinity" (i.e., approaches zero). For example, if it decreases to 0.001 (or any appropriate value), you can tell the program to stop and exit.
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