Qualification of * Constrained _ Lagrange _ In _ Solid command for steel / concrete interface modeling
Qualification of * Constrained _ Lagrange _ In _ Solid command for steel / concrete interface modeling
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钢/混凝土界面建模的 * Constrained _ Lagrange _ In _ Solid 命令的资格
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通讯作者：
F. Barbier
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作者：
L. Moutoussamy;G. Hervé;F. Barbier
钢筋混凝土建模是土木工程计算的重要要求。特别是，工程师需要同时掌握钢筋和混凝土的信息。显然，需要分别对它们进行建模，以便对钢筋混凝土结构进行局部和全局分析。本文重点研究了用CSCM材料和约束拉格朗日实体来绑扎钢筋的钢筋混凝土模型的验证。这种方法的有趣之处在于可以将混凝土和钢筋分开网格化，并避免混凝土和钢筋节点之间的协调造成的过度网格化。这种耦合通常用于模拟符合欧洲规范2的钢筋混凝土。
Modeling reinforced concrete is an important requirement for civil engineering calculation. Particularly, engineers need to have information about both rebar and concrete. The need for modeling them separately comes obviously to allow local and global analysis of a reinforced concrete structure. This paper focuses on the validation of modeling of reinforced concrete with the CSCM material and Constrained Lagrange In Solid to tie the rebar. The interest for this method is the possibility to mesh separately concrete and rebar and to avoid overmeshing caused by the concordance between concrete and rebar nodes. This coupling is commonly used to model Eurocodode 2 compatible reinforced concrete.