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[Ziyu Wang <question700761@xxxxxxxxxxxxxxxxxxxxx>]

New question #700761 on Yade:
https://answers.launchpad.net/yade/+question/700761

Hello,
I want to conduct fluid-solid coupling triaxial compression simulation, and analyze the variation law of seepage flow with sample failure during compression.I have made some attempts, and several questions are as follows
1. I tried to record  flow.getBoundaryFlux(4) and (5) to measure the seepage flow of two boundaries in Z direction during the triaxial compression process(I'll put part of the code at the end),but I found that these two values remained constant throughout the process (about - 1.02 and 1.02 in my simulation).It puzzles me.
2. I also want to know what is the unit of the value measured by flow.getBoundaryFlux.(I checked the help document of Yade and couldn't find the relevant results)
By the way,is this function(flow.getBoundaryFlux) used to measure permeability in flowengine.
Thanks for help!

----------------Some code about flowengine------------------
flow.dead=0
flow.debug=False
flow.fluidBulkModulus=2.2e9
flow.permeabilityFactor=-1e-5
flow.decoupleForces =  False
flow.meshUpdateInterval=100
flow.useSolver=4
flow.viscosity=0.001
flow.bndCondIsPressure=[0,0,0,0,1,1]
flow.bndCondValue=[0,0,0,0,0,-5e6]
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