Impact MechanicsCambridge University Press, 25. mar. 2004 - 280 síður Impact mechanics is concerned with the reaction forces that develop during a collision and the dynamic response of structures to these reaction forces. The subject has a wide range of engineering applications, from designing sports equipment to improving the crashworthiness of automobiles. This book develops several different methodologies for analysing collisions between structures. These range from rigid body theory for structures that are stiff and compact, to vibration and wave analyses for flexible structures. The emphasis is on low-speed impact where damage is local to the small region of contact between the colliding bodies. The analytical methods presented give results that are more robust or less sensitive to initial conditions than have been achieved hitherto. As a text, Impact Mechanics builds upon foundation courses in dynamics and strength of materials. It includes numerous industrially relevant examples and end-of-chapter homework problems drawn from industry and sports. Practising engineers will also find the methods presented in this book useful in calculating the response of a mechanical system to impact. |
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Common terms and phrases
angle of incidence angular speed ball beam C₁ calculated center of mass changes in velocity coefficient of friction coefficient of restitution colliding bodies collinear component of impulse component of relative compression contact area contact force contact period contact point contact region contact surfaces deforming region differential direction of slip dissipation domino elastic collisions elastic-plastic energetic coefficient equal equations of motion expressed Figure force F frequency function gives half space impact configuration impact speed indentation inertia initial slip kinetic energy maximum momentum nondimensional normal component normal contact force normal force normal impulse normal relative obtained particle velocity pendulum plastic deformation radius ratio reaction force relation relative motion relative velocity rigid body rigid body impact rotation separation shown in Fig sliding solution sphere spherical stick stiffness strain energy tangential compliance tangential component tangential force toppling transverse V₁ vector wavefront μβι