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Some remarks on load modeling in nonlinear structural analysis–Statics with large deformations–Consistent treatment of follower load effects and load control
International Journal for Numerical Methods in Engineering ( IF 2.9 ) Pub Date : 2024-02-21 , DOI: 10.1002/nme.7442
Karl Schweizerhof 1 , Alexander Konyukhov 1
Affiliation  

Load modeling in nonlinear statics, particularly incorporating large deformations differs significantly from the treatment in linear analysis. As in structural dynamics masses in a gravity field generate the loading, their location, and their modifications within the deformation process must be considered in a nonlinear simulation. A specific view besides loading by masses is on gas and fluid interaction with structures. In addition, load control using specifically designed algorithms is evaluated with respect to realistic applications. Within the load modeling an unavoidable, however side aspect, is the general discussion about the so‐called follower forces and non‐conservative loading. As an example of real‐world applications, the specifics of inflated rubber dams are presented.

中文翻译:

非线性结构分析中载荷建模的一些注解——大变形静力学——从动载荷效应和载荷控制的一致处理

非线性静力学中的载荷建模,特别是包含大变形的载荷建模与线性分析中的处理有很大不同。由于在结构动力学中,重力场中的质量会产生载荷,因此在非线性模拟中必须考虑它们在变形过程中的位置及其修改。除了质量载荷之外,一个具体的观点是气体和流体与结构的相互作用。此外,根据实际应用评估使用专门设计的算法的负载控制。在载荷建模中,不可避免的一个方面是关于所谓的从动力和非保守载荷的一般讨论。作为实际应用的示例,介绍了充气橡胶坝的具体情况。
更新日期:2024-02-21
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