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논문 기본 정보

자료유형
학술저널
저자정보
Fadodun, Odunayo O. (Department of Mathematics, Obafemi Awolowo University) Borokinni, Adebowale S. (Distance Learning Institute, University of Lagos) Layeni, Olawanle P. (Department of Mathematics, Obafemi Awolowo University) Akinola, Adegbola P. (Department of Mathematics, Obafemi Awolowo University)
저널정보
테크노프레스 Wind & structures Wind & structures 제25권 제1호
발행연도
2017.1
수록면
25 - 38 (14page)

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This study investigates the dynamic analysis of a transversely isotropic thin plate. The plate is made of hyperelastic John's material and its constitutive law is obtained by taken the Frechect derivative of the highlighted energy function with respect to the geometry of deformation. The three-dimensional equation governing the motion of the plate is expressed in terms of first Piola-Kirchhoff's stress tensor. In the reduction to an equivalent two-dimensional plate equation, the obtained model generalizes the classical plate equation of motion. It is obtained that the plate under consideration exhibits harmonic force within its planes whereas this force varnishes in the classical plate model. The presence of harmonic forces within the planes of the considered plate increases the natural and resonance frequencies of the plate in free and forced vibrations respectively. Further, the parameter characterizing the transversely isotropic structure of the plate is observed to increase the plate flexural rigidity which in turn increases both the natural and resonance frequencies. Finally, this study reinforces the view that non-classical models of problems in elasticity provide ample opportunity to reveal important phenomena which classical models often fail to apprehend.

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