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The Effect of a Frictional Shear on Dynamic Stresses Produced in a Semi‐Infinite Solid by a Reciprocating Load
Author(s) -
Ohyoshi Tadashi
Publication year - 1978
Publication title -
zamm ‐ journal of applied mathematics and mechanics / zeitschrift für angewandte mathematik und mechanik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.449
H-Index - 51
eISSN - 1521-4001
pISSN - 0044-2267
DOI - 10.1002/zamm.19780580907
Subject(s) - mechanics , shear (geology) , reciprocating motion , materials science , shear stress , coulomb friction , dynamical friction , dynamic load testing , classical mechanics , geotechnical engineering , geology , physics , composite material , engineering , mechanical engineering , nonlinear system , quantum mechanics , gas compressor
Frictional forces, naturally generated at interfaces of solids, affect the distribution of dynamic stresses produced in a semiinfinite elastic solid by a reciprocally moving normal load prescribed on its boundary. Those mechanical characteristics are investigated by making use of the theoretical method of elastodynamics. Numerical calculation is carried out when the normal load is distributed harmonically in space and the frictional shear is determined by considering a coefficient of dynamic friction provided that the rule of the Coulomb friction is available. Numerical results are shown in graph and it is concluded that the effect on the stress distributions is comparatively large. Especially, arrivals of the shear shock waves from the friction surface cause abrupt transitions in the dynamic shear stress distribution, which phenomenon comes from the mechanical properties of reciprocation of the load moving on the friction surface.