Question: A unidirectional composite ply has elastic constants as shown: E11 = 200000.0MPa E2215000.0MPa V12 = 0.25 G12 = 3500.0MPa Calculate the stiffness matrix, C,

A unidirectional composite ply has elastic constants as shown: E11 = 200000.0MPa

A unidirectional composite ply has elastic constants as shown: E11 = 200000.0MPa E2215000.0MPa V12 = 0.25 G12 = 3500.0MPa Calculate the stiffness matrix, C, for the ply in the material coordinates. Use units of MPa. M Pa

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