# 3.5.12: 	张力/压力消除器 (Tension/Compression Eliminator) 🔷

**“Tension/Compression Eliminator（张力/压力消除器）”**运算器根据其轴向力的符号将元件从模型中删除。

![图3.5.12.1：“Tension/Compression Eliminator（张力/压力消除器）”运算器](/files/-M9XuVPxdxb7qkelL7HT)

以下是可用的输入参数：

|                 |                                                                                      |
| --------------- | ------------------------------------------------------------------------------------ |
| **"Model（模型）"** | 需要处理的结构。                                                                             |
| **"MaxIter"**   | 拉伸或压缩元件的删除以迭代方式进行。当从一个步骤到另一个步骤没有任何变化抑或达到最大迭代次数**“MaxIter”**时，该过程将停止运行。 |
| **"BeamInds"**  | 在过程中可能被删除的元件索引。默认情况下，包括整个结构。                                                         |
| **"LC"**        | 用户可指定需要考虑的特殊工况。其默认值为0。                                                               |
| **"Compr"**     | 如果为“True”，则仅保留压力作用下的构件。否则只有处于张力作用下的构件。默认情况下，该值为“False”。                              |

被选择要删除元件的刚度可以忽略不计（即：使用柔性终止的方法）。


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