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Simple problem, what's the solution?

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Old   September 14, 2010, 02:33
Default Simple problem, what's the solution?
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designer spider
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Problem statement:

1) According to PHOENICS ENCYCLOPEDIA, to define fluid and solid in the solution domain, PRPS is used. FIINIT(PRPS)=value for domain fluid and SOLID is defined by INITIAL PATCH like as follows:

PATCH(PATCH NAME,INIVAL,......)
INIT(PATCH NAME,PRPS,0.0, value for SOLIDS)

According to this, PRPS for fluid does not give required result as I set by FIINIT(PRPS)=value

2)But if I use two separate INITIAL PATCH of PRPS for both fluid and solid, it gives corrects result.

so, why don't I get correct result by step 1?

any suggestions....
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Old   September 20, 2010, 08:26
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Hervé
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Did you check the value of the "INIADD" boolean command? Is it set to "F" or to "T"?

It may help ....
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Old   September 21, 2010, 02:12
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yup, I checked. INIADD=F that means value of domain fluid region will not be added to solid region.
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Old   September 21, 2010, 21:14
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I also try with INIADD=T. In this case PRPS of SOLID adds the value of PRPS of DOMAIN FLUID. but PRPS for fluid becomes incorrect....
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