The Transient Stress in an Elastic Half-space Subjected to a Semi-infinite Line Load varying as Unit Step Function on Its Surface

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概要

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• This paper presents an exact solution for the transient response in the interior of an elastic half space subjected to a normal or a tangential semi-infinite line load varying with time as a Heaviside unit step function on its surface. The solution is based on the stress function approach, the Laplace transform and the double Fourier transform method applied to a non-axisymmetric dynamical problem. The Laplace inverse transform which is performed by the three-dimensional Cagniard's technique gives an exact solution for the stress wave propagations. The results of numerical evaluation are shown graphically for the stress variation versus time in the interior of a half space.

• 一般社団法人日本機械学会の論文

著者

• Nezu Kikuo

  Department Of Mechanical Engineering Gunma University

• JINGU Toshio

  Department of Mechanical Engineering, Gunma University

• MATSUMOTO Hiroynki

  Faculty of Engineering, Tokyo Institute of Technology

• Jingu Toshio

  Department Of Mechanical Engineering Gunma University

• Matsumoto Hiroynki

  Faculty Of Engineering Tokyo Institute Of Technology

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• The Transient Stress in an Elastic Half-space Subjected to a Semi-infinite Line Load varying as Unit Step Function on Its Surface
• Transient Stress in an Elastic Sphere under Diametrical Concentrated Impact Loads

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