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分析了从零件设计域到有限元分析域特征映射的功能需求，讨论了几何模型理想化的理论方法，并给出了不同应用领域对产品信息需求的多域特征映射模型。用一个实例验证了从零件设计域到有限元分析域的特征映射过程。
The functional requirements of the feature mapping from the part design domain to the finite element analysis domain are analyzed. The theoretical method of geometric model idealization is discussed. The multi-domain feature mapping model of the product information requirement in different application fields is also given. An example is given to verify the feature mapping process from the part design domain to the finite element analysis domain.