我们称之为线积分与积分路径无关。
阐释了能量函数中不可积项的积分路径。
This paper investigates the integration path of non-integrable term in the transient energy function.
根据积分路径和被积函数的特点，讨论了相应的计算复积分的方法。
It is based on the properties about the path of integration and the integrand function.
指出沿积分方向通过单元中心线的积分路径为最佳 ，计算精度最高。
The discrete formulas were presented and optimized to improve numerical accuracy and reduce the integral path sensitivity.
这是因为它是，与积分路径有关的，因此这里的积分值，取决于从一端到二端的，具体路径。
The reason for inexact doesn't mean it's a crummy measurement, t means that it's path dependent, and so the value of this integral depends on how you get from one to two.
载荷越大，焊缝与母材的强度差别越大；积分路径中包含的焊缝与母材界面长度越大，J积分的差值越大。
Moreover, the difference of J-integral values increases with the increasing of the load and strength mismatching difference and the path-enclosed length of interface between weld metal and base metal.
载荷越大，焊缝与母材的强度差别越大；积分路径中包含的焊缝与母材界面长度越大，J积分的差值越大。
Moreover, the difference of J-integral values increases with the increasing of the load and strength mismatching difference and the path-enclosed length of interface between weld metal and base metal.
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