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segregated solver vrs coupled solver

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Old   November 6, 2007, 01:24
Default segregated solver vrs coupled solver
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I am trying to solve an unsteady state problem for flow through a microchannel,. I have 3 UDS. While using coupled solver after certain number of iterations the solver stops with an underflow error. When using the segregated solver, i do not get any error but the solution i get is not correct. Any idea which solver is better in this case.

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