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Combinative Algorithms for the Multidisciplinary Collaborative Simulation of Complex Mechatronic Products Based on Major Step and Convergent Integration Step

查看全文 作　　者：LIANG [1,2]Silue;ZHANG [1]Heming;WANG [3]Hongwei 高影响力作者 机构地区：[1]National CIMSEngineeringResearch Center, Tsinghua University, Beijing 100084, China;[2]Computer and Information Management Center, Tsinghua University, Beijing 100084, China;[3]Engineering Design Centre, University of Cambridge, Cambridge CB2 1PZ, UK高影响力机构 出　　处：《Chinese Journal of Mechanical Engineering》索引2011年第24卷第3期,共9页高影响力期刊 基　　金：supported by National Natural Science Foundation of China (Grant No. 61074110);National Defense Pre-Research Foundation of China (Grant No. B0420060524) 摘　　要：Multidisciplinary collaborative simulation (MCS) is an important area of research in the domain of multidisciplinary design optimization (MDO).Although previous research for MCS has to some extent addressed some issues like using of multiple tools,integration stability,control of step size,data synchronization,etc,further work is still necessary to study how to achieve improved precision.A theoretical model is formulated to describe and analyze the integration process of MCS.A basic algorithm with equal major steps is proposed based on the model,along with two methods of implementation for the model,namely the serial method and the parallel method.A further algorithm based on convergent integration step is proposed,which has a more flexible strategy for run-time integration.The influence of interpolation techniques on simulation performance is studied as well.Simulations of the performance of various algorithms with different interpolation techniques are performed for both a simple numerical example and a complex mechatronic product.The novel algorithm based on convergent integration step,when used with a high-order interpolation technique,has better performance in terms of precision and efficiency.The innovation of this paper is mainly on the validation of high precision of the proposed convergent integration step algorithm. 关 键 词：机电一体化产品 多学科设计优化 算法精度 协同仿真 基础 整合 插值技术 基于模型
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