其他摘要：This work presents an time-dependent analysis of thin walled composite beams in the linear viscoelastic range. This study is carried out using the correspondence principle in the Laplace-Carson Domain, where the micro/macro mechanics equations of linear viscoelasticity are set. For a thin walled beam model developed by the authors, the relaxation coeficcients are obtained in the Laplace-Carson Domain. Then flexotorsional problems are solved by means of the finite elements method and finally a numerical inversion technique of the Laplace-Transform is employed in order to represent the solution in the time domain
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