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Platonic solids bouncing on a vibrating plate

  • The energy transfer between bouncing particles and rigid boundaries during impacts is crucially influenced not only by restitution coefficients of the material but also by particle shapes. This is particularly important when such particles are mechanically agitated with vibrating plates. Inertial measurement units are able to measure all acceleration and rotational velocity components of an object and store these data for subsequent analysis. We employ them to measure the dynamics of cubes andThe energy transfer between bouncing particles and rigid boundaries during impacts is crucially influenced not only by restitution coefficients of the material but also by particle shapes. This is particularly important when such particles are mechanically agitated with vibrating plates. Inertial measurement units are able to measure all acceleration and rotational velocity components of an object and store these data for subsequent analysis. We employ them to measure the dynamics of cubes and icosahedra on vibrating plates to study the efficiency of energy transfer into the individual degrees of freedom (DOFs) of the excited object. The rotational DOFs turn out to be much less excited than the vertical translational motion. Most remarkably, there is only little difference between the two Platonic solids in both the absolute energies and the energy partition ratios.show moreshow less

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Metadaten
Author:Torsten Trittel, Dmitry Puzyrev, Ralf Stannarius
DOI:https://doi.org/10.1103/PhysRevE.109.034903
Parent Title (English):Physical Review E
Publisher:American Physical Society
Document Type:Article
Language:English
Year of Publishing:2024
Date of Publication (online):2024/04/29
Publishing Institution:Technische Hochschule Brandenburg
Release Date:2024/04/29
Volume:109
Issue:3
Article Number:034903
Institutes:Fachbereich Technik
University Bibliography:Hochschulbibliografie
Licence (German):Creative Commons - CC BY - Namensnennung 4.0
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