A numerical method for plastic limit analysis of 3-D structures (Q675492)
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scientific article; zbMATH DE number 988969
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A numerical method for plastic limit analysis of 3-D structures |
scientific article; zbMATH DE number 988969 |
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A numerical method for plastic limit analysis of 3-D structures (English)
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6 May 1997
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Based on the upper bound theorem of plasticity, the three-dimensional limit analysis of rigid-perfectly plastic structures is formulated as a discrete nonlinear mathematical programming problem with only equality constraints by means of the finite element technique. The penalty function method is used to deal with the plastic incompressibility condition. A direct iterative algorithm is employed in solving this formulation.
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upper bound theorem
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rigid-perfectly plastic structures
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discrete nonlinear mathematical programming problem
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equality constraints
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finite element technique
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penalty function method
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plastic incompressibility condition
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direct iterative algorithm
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