How to check for the existence of a RP-variable from within a UDF in FLUENT ?
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To do the check, you can use the following routine, e.g. checking for 'pressure/relax' and 'pressure/relay':
#include "udf.h" DEFINE_ON_DEMAND(testrp) { CX_Message("RP Variable "pressure/relax" does %sexist!n", S_false == assq(intern("pressure/relax"), eval(intern("rp-variables"), eval(intern("user-initial-environment"), NIL))) ? "NOT " : ""); CX_Message("RP Variable "pressure/relay" does %sexist!n", S_false == assq(intern("pressure/relay"), eval(intern("rp-variables"), eval(intern("user-initial-environment"), NIL))) ? "NOT " : ""); if (S_false != assq(intern("testrp"), eval(intern("rp-variables"), eval(intern("user-initial-environment"), NIL)))) { Message("testrp is definedn"); } else { Message("testrp is not definedn"); } } |
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