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mafeng0907

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mafeng0907

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guijixian

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9Â¥: Originally posted by mafeng0907 at 2012-06-05 10:38:47
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wudongyangjy

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dhonghui

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seasky71

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How do I resolve the following error: FLUENT received fatal signal (ACCESS_VIOLATION)?

This is the standard error caused by FLUENT trying to access data that has not been allocated.
There are several causes which we will discuss.

For example, in a UDF, you may probe the cell temperature using the macro C_T(c,t). However, if you have not turned the energy equation on, then there is NO temperature stored, and you will get an ACCESS_VIOLATION.

To check a Thread for whether a variable is stored on it, you can use the THREAD_STORAGE(t, SV_XXX) macro, where SV_XXX is the storage variable for the equation of interest. For the energy equation, you would use SV_T. This macro returns a pointer to the data. The value is NULL if the data is not available. See storage.h for a complete list of storage variables.

Another cause for the macro is that your case has a UDF hooked, but you do not have the UDF available. The solution is to make sure you have the UDF directory in the correct location relative to the case file.

The usual situation is that you udf has problems.
18Â¥2014-10-22 11:31:25
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saplilin

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