It is analyse and calculation about the dynamic characteristic of motorcycle frame by FEM model, carry on validation through experimental modal method, Get back frame modal parameter and shake type.
利用有限元方法对摩托车车架动态特性进行了分析计算，并通过实验模态方法进行了相应的实验验证，获得了车架模态参数和振型。
Take model of drill pipe frame as a example, experimental modal based on ODS s testing method is studied and the modal parameter is distinguished and the testing results are analyzed.
以钻架模型为实例，研究了其ODS测试方法试验模态，识别其模态参数，分析其测试结果。
Modal parameter estimation (commonly referred to as curvefitting) is probably, by far, the hardest part of experimental modal analysis for most people to understand.
到目前为止，对大多数人来讲，模态参数估计（通常称为曲线拟合）可能是试验模态分析中最难以理解的部分。
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