Interface Jacobian-based Co-Simulation

作     者：Sicklinger, S. Belsky, V. Engelmann, B. Elmqvist, H. Olsson, H. Wuechner, R. Bletzinger, K. -U. 

作者机构：Tech Univ Munich Chair Struct Anal D-80333 Munich Germany Dassault Syst SIMULIA Providence RI USA Dassault Syst CATIA Gothenburg Sweden 

出 版 物：《INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING》 (国际工程数值法杂志)

年 卷 期：2014年第98卷第6期

页      面：418-444页

核心收录：

学科分类：08[工学] 0701[理学-数学] 

基　　金：Dassault Systemes Simulia Corp. HQ 

主　　题：partitioned solution strategy multi-code coupling n-code coupling fluid-structure interaction multi-physics interface Jacobian co-simulation 

摘      要：Co-simulation is a prominent method to solve multi-physics problems. Multi-physics simulations using a co-simulation approach have an intrinsic advantage. They allow well-established and specialized simulation tools for different fields and signals to be combined and reused with minor adaptations in contrast to the monolithic approach. However, the partitioned treatment of the coupled system poses the drawback of stability and accuracy challenges. If several different subsystems are used to form the co-simulation scenario, these issues are especially important. In this work, we propose a new co-simulation algorithm based on interface Jacobians. It allows for the stable and accurate solution of complex co-simulation scenarios involving several different subsystems. Furthermore, the Interface Jacobian-based Co-Simulation Algorithm is formulated such that it enables parallel execution of the participating subsystems. This results in a high-efficient procedure. Furthermore, the Interface Jacobian-based Co-Simulation Algorithm handles algebraic loops as the co-simulation scenario is defined in residual form. Copyright (c) 2014 John Wiley & Sons, Ltd.