中文摘要：

通过分析面向CAE分析的几何模型自动简化中的关键技术问题,分别针对细节抑制、降维、对称简化、装配体简化以及简化影响评估,介绍了该领域的主要研究进展和代表性成果,并对需要解决的难点问题进行了讨论.

英文摘要：

Key technical issues, current research progresses and representative research achievements involved in defeature, dimensional reduction, symmetry simplification, assembly simplification, and estimations of simplification impact for CAE analysis were summarized. Open issues and challenges were discussed.