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In this paper, an effective general method is proposed to determine the optimal virtual fields and extract the elastic constants and the thermal expansion coefficients of orthotropic composite materials from the coupled thermo-mechanical deformation fields simultaneously. First, a practical analysis procedure is implemented based on the assumed material parameters with orthotropic in-plane properties...
The plane strain problems of semi-infinite cracks in an infinite functionally graded orthotropic material are studied. Two uniform impact loading modes are considered, i.e. opening and in-plane shear. Laplace and Fourier transforms along with the Winner–Hopf technique are employed to solve the displacement formulation of the equations of motion. Closed-form solutions of the dynamic stress intensity...
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