Modeling and simulation of metallic, particle-damped spheres for lightweight materials / von Herrn Dipl.-Math. Tobias Steinle ; Gutachter: 1. Prof Dr. Andrea Walter, 2. Prof. Dr. Jadran Vrabec. Paderborn, 2016
Inhalt
- Introduction
- State of the art
- Modeling of a particle-filled sphere
- Simulation of the physical experiment
- Coefficient of restitution
- Straightforward algorithm
- Linked cell method
- Adapted linked cell method
- Comparison of the linked cell method and the quadratic approach
- Energy conservation
- Energy experiment
- Numerical properties
- Results
- Simulation 1: Damping behavior
- Simulation 2: Time step size
- Simulation 3: Particle size
- Simulation 4: Impact of the friction parameters
- Simulation 5: Particle shape
- Simulation 6: Mixed particle fillings
- Simulation 7: Vibration of the sphere
- Outlook: Future developments of the model
- Conclusion
- Additional simulation data
- References