Computational Analysis of Mechanism Operability

Jan Szweda; Zdenek Poruba; Roman Sikora; Jiří Podešva

doi:10.4028/www.scientific.net/AMM.315.879

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 315Computational Analysis of Mechanism Operability

Computational Analysis of Mechanism Operability

Abstract:

This article deals with a way of interpretation the results of numerical simulations solved for the mechanism of lifting platform. Subject of analysis is the atypical design solution of lifting mechanism with one degree of freedom, which members are connected by revolute joints and linear sliding guidance. The mechanism movement is provided by linear hydromotors. Computational simulations are carried out by FEM, where linear coupling equations are used for modeling of revolute joints and linear sliding guidance is modeled by structural contact of rail and slider. The way of modeling and parameters setting of structural contact significantly affects the stability of numerical solutions and the obtained results. The authors assume that the interpretation of the observed behavior and results of the numerical simulations allow to deduce the mechanism operability and gives a clue for setting the gap of real bounds.

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Periodical:

Applied Mechanics and Materials (Volume 315)

Pages:

879-883

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.315.879

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Online since:

April 2013

Authors:

Jan Szweda, Zdenek Poruba, Roman Sikora, Jiří Podešva

Keywords:

Finite Element Method (FEM), Mechanism Operability, Penalty Method, Structural Contact Problem

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References

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