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Space-framework method for three-dimensional solids
Space-framework model is derived to represent rectangular, prismatic, solid element which is assumed to be in state of uniform stress and which has any value of Poisson's ratio; model consists of edge beams having both axial and flexural rigidity and also diagonal members in each external face which have axial rigidity only; equivalent space-framework can therefore be established to simulate behavior of elastic, three-dimensional continuum under applied load or deformation, or both; method is applied to two examples to determine dependence of accuracy of idealization on mesh size and also to compare accuracy of solution with that obtained by conventional finite-element approach.
Space-framework method for three-dimensional solids
Space-framework model is derived to represent rectangular, prismatic, solid element which is assumed to be in state of uniform stress and which has any value of Poisson's ratio; model consists of edge beams having both axial and flexural rigidity and also diagonal members in each external face which have axial rigidity only; equivalent space-framework can therefore be established to simulate behavior of elastic, three-dimensional continuum under applied load or deformation, or both; method is applied to two examples to determine dependence of accuracy of idealization on mesh size and also to compare accuracy of solution with that obtained by conventional finite-element approach.
Space-framework method for three-dimensional solids
ASCE -- Proc (J Eng Mechanics Div)
Yettram, A.L. (author) / Robbins, K. (author)
1967
16 pages
Article (Journal)
English
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