Chuan-ping Zhou;Qiao-yi Wang;Denghao Chen;Chao Hu;Ban Wang;Fai Ma;Zhejiang Key Laboratory of Mechanical Equipment and Technology for Marine Machinery, School of Mechanical Engineering, Hangzhou Dianzi University;School of Mechatronic Engineering, China University of Mining and Technology;School of Aerospace Engineering and Applied Mechanics, Tongji University;College of Engineering, University of California;
Zhejiang Key Laboratory of Mechanical Equipment and Technology for Marine Machinery, School of Mechanical Engineering, Hangzhou Dianzi University;School of Mechatronic Engineering, China University of Mining and Technology;School of Aerospace Engineering and Applied Mechanics, Tongji University;College of Engineering, University of California,Berkeley;
Based on the refined dynamic equation of stretching plates, the elastic tensioncompression wave scattering and dynamic stress concentrations in the thick plate with two cutouts are studied. In view of the problem that the shear stress is automatically satisfied under the free boundary condition, the generalized stress of the first-order vanishing moment of shear stress is considered. The numerical results indicate that, as the cutout is thick, the maximum value of the dynamic stress factor obtained using the refined dynamic theory is 19% higher than that from the solution of plane stress problems of elastic dynamics.
Refined vibration equation of stretching plate;;Thick plate;;First moment of shear stress;;Elastic wave scattering;;Dynamic stress concentration
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