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thermal expansion coeffcient

thread327-342662

thermal expansion coeffcient

thermal expansion coeffcient

(OP)
i have an important qustion

i want to know how to transform the thermal expansion coeffcient tensor (alpha) 6x6 when the fiber orientation changed from 0 to 30 degree for example? are there any equations for that ? how i can reduce this tensor from 6x6 to 3x3 ?

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