由于玻壳有一厚壁，它被化分成多层网格以减小单元误差，提高结果的精度。

As the glass bulb has a thick wall, it was multi-layer meshed so that the element distortion was minimized and hence enhance the accuracy of the results obtained.

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得出的结果或为手算或为在计算机中按既定的误差划分楔形单元进行一阶线弹性分析提供了理论依据。

The result can be provided a possible theory foundation for first-order elastic analysis taper element in hand or in computer according fixed error.

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同时分析了有限元分析误差产生的种类及原因，并对自适应单元网格优化进行了研究。

The category and reason for Finite Element Method analysis error are analyzed, and the adaptive mesh method is researched.

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