1 / 12

Petr Frantík Michal Štafa

Basin boundaries of plane model of impacting coin. Basin boundaries of plane model of impacting coin. Petr Frantík Michal Štafa. F AKULTA STAVEBNÍ V YSOKÉ UČENÍ TECHNICKÉ V B RNĚ.

quon-bell
Download Presentation

Petr Frantík Michal Štafa

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Basin boundaries of plane model of impacting coin Basin boundaries of plane model of impacting coin Petr Frantík Michal Štafa FAKULTA STAVEBNÍ VYSOKÉ UČENÍ TECHNICKÉ V BRNĚ FAKULTA STAVEBNÍ VYSOKÉ UČENÍ TECHNICKÉ V BRNĚ

  2. Simulation of a coin Motivation Probability of achieving ofstanding coin.Testing of numerical representation of impact forces.Final state dependency on initial conditions.

  3. Basic assumptions Model Absolutelyrigid ideal coin.Contact is reduced to penetration of corner points.Elastic surface modeled as Winkler foundation.Linear viscous damping acting only during impact.

  4. Acting forces Model

  5. Numerical solution Dynamical system By Symplectic Euler method. Two approaches were used: full time numerical solving and semi-analytical solving (free fall and contact case).

  6. Parameters and solutions Dynamical simulation Diameter 2 cm, thickness 2 mm, weight 3.14 g, foundation stiffness 10000 N/m, damping coefficient 0.5 Ns/m.

  7. Stability comparison Static states Rigid contact Elastic contact

  8. Initial conditions Basin boundaries

  9. 0.24%

  10. This outcome has been achieved with the financial support of the project No. FAST-S-12-34. FAKULTA STAVEBNÍ VYSOKÉ UČENÍ TECHNICKÉ V BRNĚ

More Related