2003
DOI: 10.1002/pamm.200310099
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A Time‐Stepping Algorithm for Stiff Mechanical Systems with Unilateral Constraints

Abstract: This paper presents a stable implicit first order time‐stepping method for the simulation of stiff mechanical systems with unilateral constraints and Coulomb friction. It ensures that the unilateral constraints are fulfilled directly on the displacement level. The resulting linear complementarity problem is formulated in a very compact nonstandard way. A modified form of Lemke's algorithm is presented to solve it.

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Cited by 8 publications
(8 citation statements)
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“…We refer to the works of Murty and Yu and Acary and Brogliato for details on linear complementarity problems and their numerical treatment. As a modification of Lemke's algorithm, a mechanically feasible pivoting strategy was proposed in the work of Funk and Pfeiffer . Typically, Moreau's time‐stepping scheme is assumed to have a possible impact, and therefore a velocity jump at the midpoint of the considered integration step, see for example other works.…”
Section: Moreau‐type Integratorsmentioning
confidence: 99%
“…We refer to the works of Murty and Yu and Acary and Brogliato for details on linear complementarity problems and their numerical treatment. As a modification of Lemke's algorithm, a mechanically feasible pivoting strategy was proposed in the work of Funk and Pfeiffer . Typically, Moreau's time‐stepping scheme is assumed to have a possible impact, and therefore a velocity jump at the midpoint of the considered integration step, see for example other works.…”
Section: Moreau‐type Integratorsmentioning
confidence: 99%
“…The problem is similar to the one connected with the analysis of frictional contact problems solved via complementarity methods [28] …”
Section: Algebraic Descriptionmentioning
confidence: 99%
“…Klarbring and Björkman (1988) used this strategy to reduce the problem to a generalized linear complementarity problem (LCP). A more elegant algorithm is briefly described by Funk and Pfeiffer (2003) and has been implemented and explained in more detail by Bertocchi (2008).…”
Section: Evolution Of the Systemmentioning
confidence: 99%