program control statement

To realize the parameterized module, we build template analysis process at first, then arrange corresponding log document, introduce parameterized variable, and apply program flow control command of APDL such as judgement statement and loop statement.

先建立模板分析过程，然后整理对应的log文件，引入参数化变量，运用APDL的判断和循环等流程控制命令，实现电梯分析系统的参数化模块。

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