wall boundary conditions
hi what is meant by rotating wall,how to give in CFX-11
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Re: wall boundary conditions
the wall would rotate with a sepecified velocity( angular velocity)
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Re: wall boundary conditions
i given in that some error is showing my boundary conditions: inlet:pressure 7.5bar and tem;167C outlet i given mass flow rate:0.3kg/s fluid:steam
ERROR #002100048 has occurred in subroutine SU_BNEXT. | | Message: | | All vertices for a fluid domain lie on boundaries. This is | | considered to be a fatal error because control volume gradients | | cannot be calculated, leading to serious discretization error. | | | | A common cause for this error is a mesh which is only one | | element thick, without symmetry or 1:1 periodicity on the lateral | | boundaries. If you have this situation, and the domain is | | two-dimensional, please change the lateral boundary conditions | | to symmetry or 1:1 periodicity. Alternatively, for | | three-dimensional simulations, please ensure that your mesh | | has at least two elements across. | | | | Execution is terminating. This error message can be bypassed by | | setting the expert parameter 'boundary vertex check = f', but | | be aware that doing so may lead to sigificant solution error. | +--------------------------------------------------------------------+ |
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