仿真模型有效性评估在特种车辆仿真中的应用

摘要

Reliability of the models and processes becomes the important concern for researchers, with abroad application of the simulation technique. Based on the VV&A of simulation models, some common used methods of effectiveness assessment for simulation models and their application in special vehicle simulations were introduced such as finite element model of pressure vessels, mechanical-electrical-hydraulic coupling models and multi-body dynamic model of full vehicle, etc. The model correctness and accuracy was assessed, the applicability of the effectiveness assessment methods was proved, which set important foundations for the follow-up significance analysis and model updating.%随着数值仿真技术的广泛应用，仿真模型及仿真过程的可信度成为研究与应用人员关注的重要内容之一。从仿真模型VV&A工作需求出发，针对模型验证环节中的有效性评估技术，介绍常用的TIC、灰度关联、K-S检验、谱估计方法的基本理论，结合特种车辆的仿真内容对有限元模型、机械液压耦合模型以及整车动力学仿真模型进行评估，掌握了仿真模型精度的现状，验证了有效性评估方法的适用性，为后续仿真模型的修正以及基于模型的参数显著性分析奠定基础。