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subsurface flow

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Iam trying to generate drawdowns in an unconfined aquifer by dewatering well. Iam not able to give proper boundary conditions and initial conditions. Iam using Darcy's flow with storage model. I assumed a simple crossection in 2D that is a rectangle, left boundary i took it as mass outflow, bottom boundary no flow, not able to give proper boundary conditions for rest of the two boundaries. In some of the comsol papers I read ale model has to be used to generate drawdowns, but iam not able to use it. can you help me how to use ale model to generate drawdowns. Do I have to specify prescribed displacements for top and left boundary, if so how?

thank you

0 Replies Last Post Nov 21, 2013, 12:42 a.m. EST
COMSOL Moderator

Hello Sriharsha Ainampudi

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