Symmetric and Asymmetric Theories of Bimodulus Elasticity‐Bending of Cylindrical Panels

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Abstract
Some composite materials and high‐polymers behave or may be approximately regarded to behave as bimodulus materials. There are several investigations being conducted on the symmetry of elastic constants appearing in two‐or three‐dimensional stress‐strain relations of these materials, and some experimental results confirm their symmetry while others establish their asymmetry. In this paper, by solving a simple problem based either on the symmetric or asymmetric theory of elasticity, these theoretical differences are discussed. The resulting difference in deflection of laterally loaded cylindrical panels is less than few percent.

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