Question #697526 on Yade changed:
https://answers.launchpad.net/yade/+question/697526
Status: Answered => Open
Zhicheng Gao is still having a problem:
Hello, Bruno. Thank you very much for your reply. I'm doing research similar
to the paper " A discrete numerical model involving partial fluid-solid
coupling to describe suffusion effects in soils "[1]. In this paper, the
periodic boundary condition is chosen and it says "In order to avoid any
boundary effect we use periodic boundary conditions as if the same grain
arrangement and the same flow field were replicated periodically in space", so
I constructed scene in periodic boundary conditions and used the
PeriodicFlowEngine to simulate flow. Is that right?
I want to make the fluid flow from top to bottom under a certain pressure
gradient, and no fluid flows out from the side. So I set
flow.bndCondIsPressure=[0,0,1,1,0,0], flow.bndCondValue=[0,0,1,0,0,0]. If my
approach is wrong, then how should I set up to achieve what I want?
And how to switch solver to LDlt?
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