At present, the internal generic software for structure design PKPM has some deficiency in calculating cross beam.
目前，内结构设计的通用软件PKPM在计算井字梁的问题上存在不足之处。
With modular form of the software structure, the calculating problem is designed to simulate the 3-d transient TIG welding thermal process with a moving arc.
采用模块化结构设计，编写了一套适合于模拟运动电弧作用下三维瞬态tig焊接热过程的计算程序。
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