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Two Node Meridional Strain-based Axisymmetric Shell Elements
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 Title & Authors
Two Node Meridional Strain-based Axisymmetric Shell Elements
Ryu, Ha-Sang; Sin, Hyo-Chol;
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Two shear-flexible curved axisymmetric shell elements with two nodes, LCCS(linear curvature and constant strain) and CCCS(constant curvature and constant strain) are designed based on the assumed meridional strain fields and shallow shell geometry. At the element level, meridional curvature, membrane strain and shear strain fields are assumed by using polynomials and the displacement fields are obtained by integrating the assumed strain fields along the shallowly curved meridian. The formulated elements have high order displacement fields consistent with the strain field. Several test problems are given to demonstrate the performance of the two elements. Analysis results obtained reveal that the elements are very accurate in the displacement and the stress predictions.
Axisymmetric Shell;Meridional Strain Fields;Shallow Shell Geometry;
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