Solving the three-dimensional equations of the linear theory of elasticity |
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Authors: | V P Revenko |
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Institution: | (1) 801 North College Avenue, Bloomington, Indiana; |
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Abstract: | The three-dimensional Lamé equations are solved using Cartesian and curvilinear orthogonal coordinates. It is proved that
the solution includes only three independent harmonic functions. The general solution of equations of elasticity for stresses
is found. The stress tensor is expressed in both coordinate systems in terms of three harmonic functions. The general solution
of the problem of elasticity in cylindrical coordinates is presented as an example. The three-dimensional stress–strain state
of an elastic cylinder subjected, on the lateral surface, to arbitrary forces represented by a series of eigenfunctions is
determined. An axisymmetric problem for a finite cylinder is solved numerically |
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