Solving Strategy for Repetitious Simulation of Multi-domain Physical System Based on Modelica

被引：0
|
作者：
JIANG Zhan-si
机构：
来源：
CADDM | 2007年 / 02期
基金：
中国国家自然科学基金;
关键词：
multi-domain physical system; Modelica; simulation; subdivision solving; minimum solving strategy;
D O I：
10.19583/j.1003-4951.2007.02.009
中图分类号：
TP391.7 [机器辅助技术];
学科分类号：
081203 ; 0835 ;
摘要：
Repetitious simulation after modifying parameters of multi-domain physical system based on Modelica often appears in model experiment and optimization design. At present, the solvers based on Modelica need calculate all the coupled blocks during every simulation run after updating parameters. Based on discussing scale decomposition methods of simulation model, subdivision solving strategy and minimum solving strategy are put forward to improve the efficiency of repetitious simulation, by which the numerical solution of the simulation model can be achieved by only calculating the solving sequence influenced by altered parameters. A simplified model of aircraft is used to demonstrate the efficiency of the strategies presented.
引用
收藏
页码：58 / 70
页数：13
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