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THE LARGE DEFLECTION DYNAMIC PLASTIC RESPONSE OF A NOTCHED CANTILEVER BEAM SUBJECTED TO IMPACT[J]. Chinese Journal of Theoretical and Applied Mechanics, 1993, 25(1): 48-55. DOI: 10.6052/0459-1879-1993-1-1995-613
Citation: THE LARGE DEFLECTION DYNAMIC PLASTIC RESPONSE OF A NOTCHED CANTILEVER BEAM SUBJECTED TO IMPACT[J]. Chinese Journal of Theoretical and Applied Mechanics, 1993, 25(1): 48-55. DOI: 10.6052/0459-1879-1993-1-1995-613
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THE LARGE DEFLECTION DYNAMIC PLASTIC RESPONSE OF A NOTCHED CANTILEVER BEAM SUBJECTED TO IMPACT

  • 北京航空航天大学固体力学所,100083

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  • The paper examines the complete solution of a rigid-plastic notched cantilever beam subjected to impact by a projectile. A group of large deflection governing equations for the double-hinge mechanisms is derived. Numerical solution for the equations is presented to calculate the permanent deformation of the beam. Finally, the distribution of the dissipated energy in the beam and the effects of the notch on its plastic deformation are discussed.
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