On the Structure of Multiple Impact Systems |
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Authors: | Email author" target="_blank">F?G?PfeifferEmail author M?O?Foerg |
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Institution: | (1) Lehrstuhl für Angewandte Mechanik, TU-Muenchen, Boltzmannstrasse 15, D-85748 Garching, Germany |
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Abstract: | Multibody systems including impacts with friction possess a rich dynamical structure, mainly due to their non-smooth and therefore
highly nonlinear characteristics together with the variety of multiple contact possibilities. Existing theories describe such
situations efficiently and correctly as has been proven by many practical applications. It can be shown, that even in large
multibody systems with many possible impacts very seldom two or more impacts occur at exactly the same time, usually impacts
are separated from each other. From this it makes sense to consider in more detail the structure of one impact alone and to
investigate the functional dependencies with respect to the initial magnitudes, namely normal and tangential relative velocities
and normal and tangential impulses before an impact. This paper describes the theory and gives examples. |
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Keywords: | complementarities impacts with friction multibody systems Poisson's and Coulombs laws |
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