Abstract
In the first part of this paper an overview of smooth and non-smooth multibody dynamics is given and numerical simulation tequniques for non-smooth multibody systems with impacts are considered. The second part deals with valve springs and different existing valve spring models. A new valve spring model, based on the approximation of the spring as a curved beam, is presented and validated using a test rig. The paper concludes with the integration of the new developed and implemented valve spring model in a complete valve train simulation. The application example allows to compare between the new valve spring model and a multi-mass model regarding to computational time using different integrators with smooth and non-smooth contact mechanics.
| Original language | English |
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| Title of host publication | Proceedings of the 8th International Conference on Engineering Computational Technology, ECT 2012 |
| Publisher | Civil-Comp Press |
| Volume | 100 |
| ISBN (Print) | 9781905088553 |
| State | Published - 2012 |
| Event | 8th International Conference on Engineering Computational Technology, ECT 2012 - Dubrovnik, Croatia Duration: 4 Sep 2012 → 7 Sep 2012 |
Conference
| Conference | 8th International Conference on Engineering Computational Technology, ECT 2012 |
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| Country/Territory | Croatia |
| City | Dubrovnik |
| Period | 4/09/12 → 7/09/12 |
Keywords
- Contact modelling
- Multibody dynamics
- Nonsmooth dynamics
- Numerical integration
- Valve spring
- Valve train simulation