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Old   January 19, 2007, 18:20
Default material property
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Hi, How implement to Fluent material property as a function pressure?? for example: viscosity? How write udf? The same in case when viscosity is a function a temperature??

Thanks for help

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Old   January 20, 2007, 01:20
Default Re: material property
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Use the macro DEFINE_PROPERTY, one example of temperature dependent viscosity is given in the udf manual.

get the macro for pressure; calculate the viscosity and return the value;

Hook the udf at correct position.

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