Abstract
The formulation of 4-node plate bending elements to eliminate the shear locking is presented. The kinematic variables in the Mindlin plate are related through the equilibrium equations; and then the transverse displacement, rotations, and shear strain are expressed in terms of the curvature sum. The elements are formulated by using the modified transverse displacement defined as the transverse displacement subtracted by the curvature sum times the ratio of flexural to shear rigidity. It is shown that the elements describe plate behavior quite correctly without any locking and also that they are applicable to the analysis of both thin and thick plates.
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Lee, PG., Sin, HC. Mindlin plate finite elements by a modified transverse displacement. KSME Journal 8, 19–27 (1994). https://doi.org/10.1007/BF02953239
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DOI: https://doi.org/10.1007/BF02953239