Finally, the modal analysis is obtained and the resonance frequency is determined by using finite element software ANSYS.
再用有限元软件ANSYS进行模态分析，确定了共振频率。
According to the modal analysis, the natural frequency is not coincident to working frequency, so there would be no resonance occur during work.
由模态分析看出，筛箱固有频率和工作频率不重合，因此在工作中不会产生共振。
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