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help needed for periodic condition
Posted 28 sept. 2013, 06:54 UTC−4 Computational Fluid Dynamics (CFD), Chemical Reaction Engineering Version 4.3b 0 Replies
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i am bit confused with the periodic condition in COMSOL. In the file attached (4.3b), i am trying to combine laminar flow and transport of diluted species. I wanna alternate the inflow and outflow boundary every 1000 s.
In the laminar flow part, it's relatively easy. I defined a waveform function to alternate the pressure difference. For the transport of diluted species, it's possible to alternate inflow and outflow on the left and right boundaries. However i can't find where i can define solutes concentration in the inflow. So the solute concentration in the liquid is always zero.
Can someone help to tell where to give solutes concentration in the inflow? Thanks!
Chunyan
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Hello Chunyan Li
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