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- Title
Dynamic virtual work principle versus virtual power principle for systems with non-holonomic constraints.
- Authors
Kim, Kwang-joon
- Abstract
Principles of dynamic virtual work and virtual power are revisited in this paper to deal with mechanical systems with non-holonomic constraints. Although few new things may be added in analytical dynamics approaches, one purpose of the revisit is to talk about differences between the above two fundamental principles, from which various forms of dynamic equations can be formulated. Another purpose is to show how much smooth the treatment of a nonlinear non-holonomic constraint is in the latter approach although it can be done by an unfamiliar Chetaev condition in the former approach. Three case studies: 1) a mass-spring-mass system with a knife-edge at each mass on a plane, 2) a rolling ball, and 3) a rolling ball with an active nonlinear non-holonomic constraint are presented for illustrations.
- Subjects
NONHOLONOMIC constraints; NONHOLONOMIC dynamical systems; VIRTUAL work
- Publication
Journal of Mechanical Science & Technology, 2022, Vol 36, Issue 5, p2239
- ISSN
1738-494X
- Publication type
Article
- DOI
10.1007/s12206-022-0407-0