HAN Zhi-jun, CHENG Guo-qiang, MA Hong-wei, ZHANG Shan-yuan. Dynamic Buckling of Elastic-Plastic Column Impacted by a Rigid Body[J]. Applied Mathematics and Mechanics, 2006, 27(3): 337-341.
Citation: HAN Zhi-jun, CHENG Guo-qiang, MA Hong-wei, ZHANG Shan-yuan. Dynamic Buckling of Elastic-Plastic Column Impacted by a Rigid Body[J]. Applied Mathematics and Mechanics, 2006, 27(3): 337-341.

Dynamic Buckling of Elastic-Plastic Column Impacted by a Rigid Body

  • Received Date: 2004-04-23
  • Rev Recd Date: 2005-09-12
  • Publish Date: 2006-03-15
  • The dynamic buckling of an elastic-plastic column subjected to an axial impact by a rigid body is discussed by using the energy law.The traveling process of elastic-plastic waves under impact action was analyzed by characteristics method.The equation of lateral disturbance used to analyize the problem is developed by taking into account the effect of elastic-plastic stress wave.The power series solution of this problem has been reached in theory iwth the power series approach.The buckling criterion of this problem is proposed by analyzing the characteristics of the solution.The relationship among critical velocity and impact mass,critical buckling length,hardening modulus is given by using theoretical analysis and numerical computation.
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