A contribution to the real-time simulation of coupled finite element models of machine tools - A numerical comparison

被引：7

作者：

Hoher, S. ^{[1
]}

Roeck, S. ^{[1
]}

机构：

[1] Univ Stuttgart, Inst Control Engn Machine Tools & Mfg Units ISW, Stuttgart, Germany

来源：

SIMULATION MODELLING PRACTICE AND THEORY | 2011年 / 19卷 / 07期

关键词：

Component-based modeling; Partitioned simulation; Local integration; Real-time simulation; IN-THE-LOOP; ALGORITHMS; SYSTEMS;

D O I：

10.1016/j.simpat.2011.03.002

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

In this paper the real-time simulation of finite element (FE) models of machine tools on a multi-processor architecture is presented. The simulation model is based on several FE component models that are connected by non-linear couplings. These couplings allow relative motions of the components in a wide range. The coupled linear FE models are decomposed at the non-linear coupling nodes and each component is solved locally. The linear structure of the components can be used for efficient simulation methods and the components can be distributed to several processors for a parallel computation. Methods that differ in numerical accuracy and stability, computational effort and real-time capacity will be presented. By means of a complex example, it will be illustrated that a parallel, stable computation can be realized time-deterministically. (C) 2011 Elsevier By. All rights reserved.

引用

页码：1627 / 1639

页数：13

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