Elasto-plasticity with polyhedral yield surfaces in the element nodal force space

被引：0
作者：
Anderheggen, E [1 ]
Glanzer, G [1 ]
Steffen, P [1 ]
机构：
[1] Swiss Fed Inst Technol, Zurich, Switzerland
来源：
ADVANCES IN FINITE ELEMENT PROCEDURES AND TECHNIQUES | 1998年
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D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In contrast to the usual procedure of formulating constitutive material laws in a number of integration points within each element, the approach presented here proposes using the element nodal forces and their associated nodal displacements as generalized stress and strain components. The procedure is restricted to elasto-plastic constitutive laws and requires the formulation of linearised yield conditions in the nodal force-displacement space. Some examples related to the ultimate load analysis of reinforced concrete slabs modelled by plate-bending elements are discussed.
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页码：187 / 193
页数：7
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