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1989
An important class of structural mechanics problems deals with the stress analysis of bodies in contact. A contact problem occurs when at least two bodies not mechanically joined touch each other without becoming rigidly attached. In most cases, high stress concentrations are developed in the contact areas.
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An important class of structural mechanics problems deals with the stress analysis of bodies in contact. A contact problem occurs when at least two bodies not mechanically joined touch each other without becoming rigidly attached. In most cases, high stress concentrations are developed in the contact areas.
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2018
If the gap function \(g_0(r)\) is axisymmetric, and if contact is assumed to occur only within a circle of some radius a, the problem of Eqs. ( 4.8)–( 4.11) is reduced to the search for an axisymmetric harmonic function \(\varphi (r, z)\) in cylindrical polar coordinates \((r,\theta , z)\).
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If the gap function \(g_0(r)\) is axisymmetric, and if contact is assumed to occur only within a circle of some radius a, the problem of Eqs. ( 4.8)–( 4.11) is reduced to the search for an axisymmetric harmonic function \(\varphi (r, z)\) in cylindrical polar coordinates \((r,\theta , z)\).
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Elastodynamic Contact Problems
2018If the loads on an elastic body change in time, the resulting elastic displacements \(\varvec{u}(t)\) will imply local accelerations \(\ddot{\varvec{u}}(t)\), which should be taken into account in the equations of motion.
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2010
In the contact problems up to now, we have assumed that the contacting bodies have absolutely smooth, frictionless surfaces. According to this, there exist no shear forces in the contact area. If the contact point is also loaded in the tangential direction, then static and kinetic frictional forces become of interest.
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In the contact problems up to now, we have assumed that the contacting bodies have absolutely smooth, frictionless surfaces. According to this, there exist no shear forces in the contact area. If the contact point is also loaded in the tangential direction, then static and kinetic frictional forces become of interest.
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