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The SIMPLE algorithm is not too simple for me

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Old   June 12, 2012, 04:39
Default The SIMPLE algorithm is not too simple for me
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Zeke Angels
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Hi,

I try to simulate the gas flowing through a tube filled with spherical particles in the steadystate regime. The equations are solved using the finite volume method and I try to implement the SIMPLE algorithm to get the correct pressure and velocity fields that satisfy both continuity and momentum equations. I tried for a week to solve the problem but I didn't manage to do it correctly.(I got negative velocities at some nodes )

I will be happy if some one can give me a clue on how to solve the problem. You will find a detailed description of the procedure I adopted in the pdf file attached to this post.

Thank you in advance,
Zeke.
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File Type: zip SIMPLE_1_2.zip (79.5 KB, 14 views)
File Type: zip SIMPLE_3.zip (68.7 KB, 10 views)
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Old   June 13, 2012, 18:36
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Quote:
Originally Posted by Zeke View Post
Hi,

I try to simulate the gas flowing through a tube filled with spherical particles in the steadystate regime. The equations are solved using the finite volume method and I try to implement the SIMPLE algorithm to get the correct pressure and velocity fields that satisfy both continuity and momentum equations. I tried for a week to solve the problem but I didn't manage to do it correctly.(I got negative velocities at some nodes )

I will be happy if some one can give me a clue on how to solve the problem. You will find a detailed description of the procedure I adopted in the pdf file attached to this post.

Thank you in advance,
Zeke.
try the f77 procedure in my blog. i will add a new intel frotran f90 procedure in the next few days. hope this will help y ou
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Old   June 18, 2012, 04:06
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Zeke Angels
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Hi Ztdep,

I will try to understand the global fortran code.

Thank you for your help and have a nice day,
Zeke.
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