Urgent! Access violation of UDF using VOF
Dear there,
I tried to write a UDF for the VOF simulation. The UDS is as follows: DEFINE_SOURCE(xmom_source, c, t, dS, eqn) { double source, vofl ; vofl = C_VOF (c, t) ; if ((vofl > tiny) && (vofl < (1.0 - tiny))) source = - 0.5 * vofl ; else source = 0.0 ; dS[eqn] = 0.0 ; return source ; } The problem might be the following: vof_mf = C_VOF (c, t) ; The errow message is: "Access violation of UDF using VOF" In the define menu: define->boundary conditions->fluid, when I set the above function in the mixture of fluid, there is the error message. When I set the function in the liquid and not the gas, the Fluent is OK. Could you tell me why? Please help me. Rucy |
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