A volumetric contact dynamics model has been proposed for the purpose of generating reliable and rapid simulations of contact dynamics. Forces and moments between bodies in contact can be expressed in terms of the volume of interference between the undeformed geometries. This allows for the modelling of contact between complex geometries and relatively large contact surfaces, while being computationally less expensive than finite element methods. However, the volumetric model requires experimental validation. Models for simple geometries in contact have been developed for stationary and dynamic contact; an apparatus has been developed to experimentally validate these models. This paper focuses on validation of the normal contact models. Measurements of forces and displacements will be used to identify the parameters related to the normal force, i.e. the volumetric stiffness and hysteretic damping factor for metallic surfaces. The experimental measurements are compared with simulated results to assess the validity of the volumetric model.
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ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 28–31, 2011
Washington, DC, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
978-0-7918-5481-5
PROCEEDINGS PAPER
Volumetric Contact Dynamics Models and Experimental Validation of Normal Forces for Simple Geometries Available to Purchase
Michael Boos,
Michael Boos
University of Waterloo, Waterloo, ON, Canada
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John McPhee
John McPhee
University of Waterloo, Waterloo, ON, Canada
Search for other works by this author on:
Michael Boos
University of Waterloo, Waterloo, ON, Canada
John McPhee
University of Waterloo, Waterloo, ON, Canada
Paper No:
DETC2011-49016, pp. 275-284; 10 pages
Published Online:
June 12, 2012
Citation
Boos, M, & McPhee, J. "Volumetric Contact Dynamics Models and Experimental Validation of Normal Forces for Simple Geometries." Proceedings of the ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 4: 8th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A and B. Washington, DC, USA. August 28–31, 2011. pp. 275-284. ASME. https://doi.org/10.1115/DETC2011-49016
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