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dc.contributor.authorFont Llagunes, Josep Maria
dc.contributor.authorKövecses, Józef
dc.contributor.authorPàmies Vilà, Rosa
dc.contributor.authorBarjau Condomines, Ana
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Mecànica
dc.date.accessioned2010-06-14T10:41:05Z
dc.date.available2010-06-14T10:41:05Z
dc.date.created2010
dc.date.issued2010
dc.identifier.citationFont-Llagunes, J.M. [et al.]. Comparison of Impulsive and Compliant Contact Models for Impact Analysis in Biomechanical Multibody Systems. A: International Conference on Multibody System Dynamics. "1st International Conference on Multibody System Dynamics". Lappeenranta: 2010, p. 27-28.
dc.identifier.isbn978-952-214-778-3
dc.identifier.urihttp://hdl.handle.net/2117/7635
dc.description.abstractTwo approaches are used when studying impact problems: impulsive ones and compliant ones. In an impulsive approach, the time interval where the collision takes place is considered to be negligible, and so the system configuration is assumed to be constant. The final mechanical state of the colliding system is obtained directly from the initial one through algebraic equations and energy dissipation assumptions. In a compliant approach, the colliding surfaces are modelled through springs and dampers (usually nonlinear), and the equations of motion are integrated during the impact time interval to obtain the final state. Though both approaches have been widely used in the field of biomechanics, no comparative study can be found in the literature that could justify choosing one or another. In this paper, we present both approaches and compare them when applied to two examples related to gait problems: a passive walker and a simple model of crutch locomotion. We will show that the results are really close whenever nonsliding conditions are assumed at the impact points.
dc.format.extent2 p.
dc.language.isoeng
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Enginyeria biomèdica::Biomecànica
dc.subjectÀrees temàtiques de la UPC::Enginyeria mecànica::Mecànica::Dinàmica
dc.subject.lcshBiomechanics
dc.subject.lcshHuman locomotion
dc.titleComparison of Impulsive and Compliant Contact Models for Impact Analysis in Biomechanical Multibody Systems
dc.typeConference lecture
dc.subject.lemacBiomecànica
dc.subject.lemacEnginyeria mecànica
dc.contributor.groupUniversitat Politècnica de Catalunya. GREVTAM - Grup de Recerca en Vibracions i Teoria i Anàlisis de Màquines
dc.relation.publisherversionhttp://www.imsd10.fi
dc.rights.accessRestricted access - publisher's policy
local.identifier.drac2548719
dc.description.versionPostprint (published version)
local.citation.authorFont-Llagunes, J.M.; Kövecses, J.; Pàmies-Vilà, R.; Barjau, A.
local.citation.contributorInternational Conference on Multibody System Dynamics
local.citation.pubplaceLappeenranta
local.citation.publicationName1st International Conference on Multibody System Dynamics
local.citation.startingPage27
local.citation.endingPage28


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