Contact stiffness of bodies with fractal roughness:comparison of 3D BEM results and reduction method

【Author】

Roman Pohrt;Valentin L.Popov;Alexander E.Filippov;

【Abstract】

<正>Using the linear elastic boundary element method(BEM),we calculated the normal contact stiffness of fractal rough surfaces and found a power-law dependence on the applied load.Exponents vary from 0.5 to 0.85 depending on the fractal dimension in con-

【Keywords】

BEM;Contact stiffness of bodies with fractal roughness;down;very;

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