求翻译：本文首先针对含裂纹管道性能评定方法方法进行了选择。在此基础上，利用有限元软件Abaqus建立有限元模型并且分别详细分析了管道长度、裂纹分布以及裂纹深度对含裂纹管道影响，通过对不同参数模型的对比，得出管道长度、裂纹分布以及裂纹深度对管道应力分布的影响，掌握裂纹尖端发展过程的规律。是什么意思？

First, the cracked pipe performance assessment method choice. On this basis, the use of finite element software abaqus finite element model and detailed analysis of the impact of pipeline length, the crack distribution and crack depth on the pipeline with cracks, through the comparison of different

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This article first aimed at including the crack pipeline performance evaluation method method has carried on the choice.And in this foundation, distinguished the multianalysis pipeline length, the crack distribution as well as the crack depth using the finite element software Abaqus establishment fi

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