[FLASH-USERS] External force

[Slah Abdellaoui]

Dear All
Is there any way to add an external force in the momentum equations.
I tried to add to the gravity module, but I could not see the expected
results, the for is depending on the derivative of the velocity so I have
to make the difference (v_i+1-v_i) and as FLASH uses staggered grid I don't
know if it can accept this or not
Looking forward to receiving your response.
Best regards,
Slah
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