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논문 기본 정보

자료유형
학술저널
저자정보
Guenfoud, Hamza (LGCH Laboratory, 8 Mai 1945 University of Guelma) Himeur, Mohamed (LGCH Laboratory, 8 Mai 1945 University of Guelma) Ziou, Hassina (Mohamed Khider University) Guenfoud, Mohamed (LGCH Laboratory, 8 Mai 1945 University of Guelma)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제68권 제4호
발행연도
2018.1
수록면
385 - 398 (14page)

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In the present paper, we offer a new flat shell finite element. It is the result of the combination of a membrane element and a bending element, both based on the strain-based formulation. It is known that $C^{\circ}$ plane membrane elements provide poor deflection and stress for problems where bending is dominant. In addition, they encounter continuity and compliance problems when they connect to C1 class plate elements. The reach of the present work is to surmount these problems when a membrane element is coupled with a thin plate element in order to construct a shell element. The membrane element used is a triangular element with four nodes, three nodes at the vertices of the triangle and the fourth one at its barycenter. Each node has three degrees of freedom, two translations and one rotation around the normal. The coefficients related to the degrees of freedom at the internal node are subsequently removed from the element stiffness matrix by using the static condensation technique. The interpolation functions of strain, displacements and stresses fields are developed from equilibrium conditions. The plate element used for the construction of the present shell element is a triangular four-node thin plate element based on Kirchhoff plate theory, the strain approach, the four fictitious node, the static condensation and the analytic integration. The shell element result of this combination is robust, competitive and efficient.

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