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how to creat a material

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Old   December 21, 2009, 08:38
Default how to creat a material
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i want to creat a new material which density datas changed with temperature are know,but i don't know the exact formula. what should i do?
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Old   December 21, 2009, 14:23
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Hi,
You can do it by using a User Function, go to Insert/ Expressions, Functions and Variables/ Functions then insert values of density versus temperature, after that use this function in an Expression, finally you can call this expression in the density box in the Material Properties.
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Old   December 21, 2009, 21:14
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thank you very much
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Old   December 22, 2009, 03:35
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the trouble is i don't know how to use function in the expression, can you help me?
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Old   December 22, 2009, 03:52
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I know how to do it, thank you very much!
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