Load assessment and analysis of impacts in multibody systems
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Load assessment and analysis of impacts in multibody systemsData
2016-09Cita bibliográfica
González, F., Kövecses, J. & Font-Llagunes, J.M. Load assessment and analysis of impacts in multibody systems. Multibody Syst Dyn 38, 1–19 (2016). https://doi.org/10.1007/s11044-015-9485-4
Resumo
[Abstract] The evaluation of contact forces during an impact requires the use of continuous force based methods. An accurate prediction of the impact force demands the identification of the contact parameters on a case-by-case basis. In this paper, the pre-impact effective kinetic energy is put forward as an indicator of the intensity of the impact force along the contact normal direction. This represents a part of the total kinetic energy of the system that is associated with the subspace of constrained motion defined by the impact constraints at the moment of contact onset. Its value depends only on the mechanical parameters and the configuration of the system. We illustrate in this paper that this indicator can be used to characterize the impact force intensity. The suitability of this indicator is confirmed with numerical simulations and experiments.
Palabras chave
Multibody impact
Effective kinetic energy
Impact intensity
Impactos en sistemas multicuerpo
Energía cinética efectiva
Intensidad de impacto
Effective kinetic energy
Impact intensity
Impactos en sistemas multicuerpo
Energía cinética efectiva
Intensidad de impacto
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Atribución-NoComercial-SinDerivadas 3.0 España