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How to solve a Poisson's equation in the beginning of each time step

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Old   April 5, 2019, 10:18
Default How to solve a Poisson's equation in the beginning of each time step
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Mari vonkarman
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Hi all.

I need to solve a Poisson's equation with determined coefficients before the solution iterations in the beginning of each time step and then some parameter outputs is to be assigned as the input for main equations (U,V,...).
Is that possible in Ansys Fluent?

Thanks for any attentions.
M. Vonkarman
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Old   April 8, 2019, 02:06
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Alexander
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AlexanderZ will become famous soon enough
Ansys Fluent Customization manual
look for DEFINE_ADJUST macro

best regards
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Old   April 14, 2019, 04:51
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Mari vonkarman
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Sure,I will study and assign your recommendation.

Thank you very much.
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Old   July 8, 2019, 03:44
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Hanye Azimi
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Hi everybody
Do you know how I should fix this error about a define_adjust UDF
'motion_spec' : is not a member of 'tv_cell_struct'
thanks in advance
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input output, poisson equation, time step, unsteady

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