### advection and diffusion eqn in a tank drainage case

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Hi All,

I would like to solve a nonlinear advection and diffusion eqn in a tank drainage scenario. I know all the flow kinematics information within the tank (velocity field, depletion rate, free surface shape). I also know how to solve my eqn in a fixed domain boundary. However, I don't know how to "move" my fluid within the tank. I have read a few things about ALE, and think it could be helpful on my case but I haven't worked/studied ALE before. I wonder could someone point me a right direction on approach this problem?

Thanks!

I would like to solve a nonlinear advection and diffusion eqn in a tank drainage scenario. I know all the flow kinematics information within the tank (velocity field, depletion rate, free surface shape). I also know how to solve my eqn in a fixed domain boundary. However, I don't know how to "move" my fluid within the tank. I have read a few things about ALE, and think it could be helpful on my case but I haven't worked/studied ALE before. I wonder could someone point me a right direction on approach this problem?

Thanks!

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