Coupling problems II Fixed
After fixing the problem with collapsed faces the following problems are still present:
1) Cell face is in two or more couples with different couple types; 2) Cell in couple is undefined (still; 3) Cells found with negative volume or volume less than specified value. The first and the last messages I like least of all. Julie |
Re: Coupling problems II Fixed
1. can one cell face be coupled with another cell face in two different ways at the same time ? 2. if the cells are not defined, you dont need the couples. 3. are they tirmmed cells or skewed hex cells ?if so, they have to fix them manually.
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Re: Coupling problems II Fixed
OK. Thanks to overall help I've fixed all the errors and... got an error that I've fixed already 3 times at least. It claims that I have couple with partial boundaries turned on that contains both fluid and solid cells. I know exactly that I created these couples as arbitrary with partial boundary turned off. It's just impossible!
Julie |
Re: Coupling problems II Fixed
do this:
cset,news,solid$cpset,news,cset,any$cpdel,cpset$ this will remove all the couples attacthed to the solid. |
Re: Coupling problems II Fixed
But I need these couples...
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Re: Coupling problems II Fixed
Julie,
the problem is, star-cd cannot deal with partial boundaries between solids and fluids. but you can only turn off the partial boundary-flag if the faces between solids and fluids are of the same size plus/minus a certain tolerance. if the difference is too high prostar gives you an error-message. the only way to avoid is to ensure a matching of the cell face areas or to leave these regions uncoupled! thomas |
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