A mixed finite element formulation for Reissner–Mindlin plates based on the use of bubble functions (Q5748976)
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scientific article; zbMATH DE number 4182967
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A mixed finite element formulation for Reissner–Mindlin plates based on the use of bubble functions |
scientific article; zbMATH DE number 4182967 |
Statements
A mixed finite element formulation for Reissner–Mindlin plates based on the use of bubble functions (English)
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1989
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Hellinger-Reissner variational principle
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displacement field
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decomposed into two parts
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standard interpolation of nodal degrees of freedom
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set of independent bubble functions
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generalized parameters
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independent approximations for every stress component
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variational constraints
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4- node
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9-node element
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patch test for mixed elements
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Babuška-Brezzi condition
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