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Error simulating fluid flow through microsieve
Posted 23 mars 2014, 11:32 UTC−4 MEMS & Nanotechnology, Fluid & Heat, MEMS & Piezoelectric Devices, Studies & Solvers Version 4.3 0 Replies
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I'm newbie to COMSOL Multiphysics.
I'm trying to anticipate when a microsieve is broken under fluid flow (blood filtering), but some errors keep occuring.
Please help me!
Thanks very much!
[File]
drive.google.com/file/d/0B15nmT2TVQWYLTJZSnZodWtEMFU/edit?usp=sharing
[Error]
Failed to find a solution.
Segregated group 1
Singular matrix.
There are 1 void equations (empty rows in matrix) for the variable mod1.fsi.Pmfinl1.
at coordinates: (0,0,0), ...
and similarly for the degrees of freedom (empty columns in matrix).
Returned solution is not converged.
Hello Vinh Nguyen
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