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Improved hybrid boundary solution for shell elements
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DOI：10.1016/j.enganabound.2016.07.011.png)
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摘要
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In this paper, a new finite element for shell structures is developed using an improved hybrid boundary solution. First the variational boundary integral equation for shear-deformable plate bending problems is developed based on quadratic boundary elements. Hence such a formulation is coupled to a similar formulation for 2D plane stress problems to produce the developed shell elements. Numerical examples are presented to demonstrate the accuracy and validity of the proposed formulation. (C) 2016 Elsevier Ltd. All rights reserved.
Keyword:
Finite element method
Boundary element method
Variational formulation
Stiffness matrix
Shear-deformable plates
Shell structures
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