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Meaning for some parameters
Posted 2015年7月17日 GMT-4 00:51 Fluid & Heat Version 5.1 3 Replies
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Hi, I am doing some simulation about microfludics and I used laminar flow, however, I don't understand some terms. What's the meaning for 'Entrance thickness'? I used 2D simulation.
Looking forward to your reply!
Looking forward to your reply!
3 Replies Last Post 2015年7月18日 GMT-4 10:30
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Posted:
9 years ago
Hi
I'm not 100% sure I get this right, but are you aware that all 2D simulations are in fact 3D models for which you define the depth Z (in the paper direction).
For most physics this depth is normalised to 1[m] but if you enter absolute values for flux on the boundaries such as an absolute flow, through a 2D boundary = edge you need to define the section (Z depth) and that is what I suspect you are referring to. There might be different "depths" for different entities in your model too
--
Good luck
Ivar
I'm not 100% sure I get this right, but are you aware that all 2D simulations are in fact 3D models for which you define the depth Z (in the paper direction).
For most physics this depth is normalised to 1[m] but if you enter absolute values for flux on the boundaries such as an absolute flow, through a 2D boundary = edge you need to define the section (Z depth) and that is what I suspect you are referring to. There might be different "depths" for different entities in your model too
--
Good luck
Ivar
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Posted:
9 years ago
Hi,
Yes, it is what you says. When I am defining an inlet for a laminar flow, I need to enter the 'entrance thickness' for the inlet. So I am sure this time and thank you for your timely help!
Best regards,
Jun
Yes, it is what you says. When I am defining an inlet for a laminar flow, I need to enter the 'entrance thickness' for the inlet. So I am sure this time and thank you for your timely help!
Best regards,
Jun
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Posted:
9 years ago
Hi,
One more question. Since in 2D simulation, we need to define the entrance thickness for one specific plane, so is it supposed that the plane must be the base of 3D? Thanks.
Yours
Jun
One more question. Since in 2D simulation, we need to define the entrance thickness for one specific plane, so is it supposed that the plane must be the base of 3D? Thanks.
Yours
Jun