At the same time, analyze the welding deformation of straight-line segment model of side rail, and compare the results with test data, verify this method is efficient.

同时，针对汽车纵梁部分直线段模型进行焊接变形分析，并与试验数据进行了对比，验证了该方法的有效性。

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Among all the numerical analysis methods, the Discontinuous Deformation analysis (DDA) method is an efficient method with high accuracy.

在解决岩土工程非连续变形问题的数值方法中，非连续变形分析方法(DDA)无疑是一种高效、精确的算法。

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How to achieve efficient and intuitive deformation control is the important topic in space deformation research.

如何实现高效、直观的变形控制则是人们一直关注的焦点。

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