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Old   May 3, 2013, 05:03
Default CFX import velocity
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i am modeling a domain with 2 phases (air-water)
for defining model, i selected continues fluid for air and water.i export water.superficial velocity(x,y,z) to a new file and import it to a new domain with sediment and put it on the sediment but sediment volume fraction dosn't have any change. can you help me?
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Old   May 3, 2013, 07:00
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Do you mean your sediment volume fraction initial condition is ignored? Can you post the CCL?
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Old   May 4, 2013, 00:09
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my sediment topography dosnt have any change
it behave such a rigid bed without any change (without any erosion)
i import the velocity bc-profile from water-Air modeling but i increase y-axis height of profile to putting it on the sediment.
can i send .def file to your e-mail?
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Old   May 4, 2013, 00:24
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it is ccl file of modeling
Attached Files
File Type: zip R on B 2(Water-Sed).zip (4.1 KB, 6 views)
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Old   May 5, 2013, 08:10
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I am not sure, but I suspect CFX needs the velocity variable to initialise the velocity in the porous region, not the superficial velocity variable. I think the superficial velocity variable is calculated from the velocity variable, not the other way around.
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Old   May 5, 2013, 09:56
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do you have proposal to modeling this problem.
my model have 3 phases (air water sediment). sediment phase is assumed as dispersed solid and water is flowing on it. sediment topography changes is required.
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Old   May 5, 2013, 18:48
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CFX can model many applications of this, but some it cannot. For instance CFX does not have a sedimentation/scouring model.
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