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UDF message error (SEGMENTATION VIOLATION" C_H_G

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Old   July 16, 2009, 04:38
Default UDF message error (SEGMENTATION VIOLATION" C_H_G
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hameurlaine
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Hello every body,

I am solving the energy equation with the enthalpy formulation. I would like to add a source term via UDF that includes the gradient of enthalpy but I get an Access Violation error when I try to use the *C_H_G*(c,t) macro. "access violation"

I was able to work around the problem by storing enthalpy in a UDS and then calculating the gradient using a C_UDSI_G macro. but a have also message error in compilation.
physics formule is: (dh/dx+dh/dr); deriverd enthalpy axial+ derived enthalpy radial.

please help me

Thank you!
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