Determination method and tests for VSR exciting frequency based on strain modal shape
GU Bang-ping1,3 , HU Xiong1, YANG Zhen-sheng1, LAI Jin-tao2,3, PAN Long3
1.College of Logistics Engineering, Shanghai Maritime University, Shanghai 201306, China;
2.College of Mechanical and Electrical Engineering, Shaoxing Institute of Arts & Sciences, Shaoxing 312000, China;
3.Zhejiang Provincial Key Lab of Advanced Manufacturing Technology, Zhejiang University, Hangzhou 310027, China
In order to obtain the better effect of vibratory stress relief (VSR), the determination method for VSR exciting frequency was proposed based on strain modal shape. The numerical modal analysis of components was conducted using the finite element software ANSYS. Through analyzing distribution laws of strain modal shape and residual stress, the determination method and steps for VSR exciting frequency based on strain modal shape were deduced. Then tests for VSR were performed to verify the effectiveness of the proposed method. The results showed that choosing exciting frequency should take the residual stress distribution as the basis, and the resonance strain function as the criterion; the better VSR effect can be obtained through reasonably selecting VSR exciting frequency using the proposed method; the proposed method provides a technical idea for determining VSR exciting frequency, it improves the VSR effect, and has a certain engineering application value.
顾邦平1,3，胡雄1，杨振生1，赖金涛2,3，潘龙3. 基于应变振型的振动时效激振频率的确定方法与实验研究[J]. 振动与冲击, 2018, 37(11): 259-264.
GU Bang-ping1,3,HU Xiong1, YANG Zhen-sheng1, LAI Jin-tao2,3, PAN Long3. Determination method and tests for VSR exciting frequency based on strain modal shape. JOURNAL OF VIBRATION AND SHOCK, 2018, 37(11): 259-264.
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