有限元计算时将断裂判据以子程序形式嵌入ABAQUS主程序并保持两者之间的实时通信。

Let this criterion be a subroutine of ABAQUS 'main program and kept the two in real time communication in finite element algorithm.

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软件设计主要是对通信协议的实现，文中给出通信节点的主程序和几个重要子程序的流程。

The main task of the software design is to realize the communication protocol and the flows of several important subprograms and the main program of the communication nodes are given in the paper.

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PC机程序主要由PC机与单片机通信、数据分析处理和过程监控等子程序组成。

The system's software part includes the Data Acquisition program compiled with c, assemble language and the PC program compiled with a sort of Virtual Instrument programming language-LabVIEW.

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