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  3. Random vibration分析中应力结果的解释

Random vibration分析中应力结果的解释

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    • September 27, 2024 at 7:37 am
      Haifeng Niu
      Ansys Employee

      Random vibration分析中的应力结果如何解释呢？

    • September 27, 2024 at 7:43 am
      Haifeng Niu
      Ansys Employee

      随机振动分析完成后，结果中提取的等效应力，程序默认输出是1 sigma下的等效应力.

      以100MPa（举例），是指得到的等效应力值满足均值为0的高斯分布，其值低于100MPa的概率为68.3%。如果取2sigma值，那么等效应力值低于200MPa的概率为就是95.45%.

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