文章详细信息 关键词： 结构振动;模态法;模态应变能;损伤诊断 [gap=284]Keywords: structural vibration; modal method; modal strain energy; damage detection
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equivalent modal method 模态等效方法
wet modal method 湿模态法
dry-modal method 干模态法
ar modal method ar模型法
Bi-modal method 双模态法
Test modal method 试验模态法
linear modal method 线性模式分析法
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From the derivation, it is seen that the modal method can also be used to solve this kind of impact problem.
从公式推导可以看出，模态分析法同样可以用来解决此类冲击问题。
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。
Because the method utilizes modal transform, the problem of fault inception Angle can be avoided, which occurs in almost all conventional methods.
这种方法由于采用了模式变换，避免了传统行波方法中存在的受故障起始角的影响的问题。
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