基于动态耦合模型的CAE仿真优化方法

doi:10.16182/j.issn1004731x.joss.23-1348

摘要/Abstract

摘要：

为解决多因素耦合作用下复杂装备产品的设计优化问题，提出一种基于动态耦合模型和多分支并行仿真策略的CAE仿真优化方法。采用动态结构的分层分级的DEVS模型，自适应地构建CAE软件前处理、数值求解、后处理阶段的自动化耦合模型；针对CAE模型的关键参数，基于贪心算法构建多因素约束下的多分支实例模型；采用多任务并行仿真策略，高效计算多分支仿真结果；经过装备造价评估指标，实现方案优选。通过高铁/盾构装备设计仿真案例验证了其有效性和应用价值。

关键词: 动态结构, 耦合模型, 仿真优化, 多任务并行, 多分支实例

Abstract:

In order to solve the optimization problem of designing complex equipment under multi-factor coupling scene, a CAE simulation optimization method based on dynamic coupling model and multi-branch parallel inference strategy is proposed. The dynamic hierarchical DEVS model is used to construct the automatic coupling model from pre-processing, numerical solution and post-processing phases of CAE software adaptively. Aiming at the key parameters of CAE model, multi-branch instance models with multi-factor constraints are constructed based on greedy algorithm. The multi-task parallel inference strategy is used to compute the multi-branch simulation results efficiently. The scheme optimization is realized based on the evaluation index of cost. The simulation cases of designing high-speed rail/shield equipment verify the effectiveness and application value.

Key words: dynamic structure, coupling model, simulation optimization, multi-task parallel, multi-branch instances

中图分类号:

TP391.9

陈雪,曹建文 . 基于动态耦合模型的CAE仿真优化方法[J]. 系统仿真学报, 2025, 37(3): 718-731.

Chen Xue,Cao Jianwen . CAE Simulation Optimization Method Based on Dynamic Coupling Model[J]. Journal of System Simulation, 2025, 37(3): 718-731.

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材料	弹性模量/Pa	泊松比	密度/(kg/m³)	每立方米造价
Steel1	2.1×10¹¹	0.3	7 850	1
Steel2	2.0×10¹¹	0.33	8 000	2
Steel3	2.5×10¹¹	0.35	7 600	3

内径/m	外径/m
内径/m	4.5	5	5.5
7.25	507	432	350
7.5	565	490	408
7.75	625	550	468

内径/m	外径/m
内径/m	4	4.25	4.5
7	1 037	971	902
7.125	1 091	1 026	958
7.25	1 148	1 083	1 014

内径/m	外径/m
内径/m	4.5	5	5.5
7	1 354	1 130	883
7.125	1 437	1 213	966
7.25	1 521	1 298	1 050

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