Modelling Rigid and Flexible Bodies with Truss Elements

Jacob Philippus Meijaard*

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    1 Citation (Scopus)

    Abstract

    The truss element, due to its simplicity, can fulfill the need to model multibody systems in a way that reduces the size of the problems or improves the efficiency of calculations. The truss element can be used to model rigid and flexible bodies as well as several joints with a single truss element or with aggregates built up from a number of truss elements. With an extended mass description, planar binary rigid links or links that can undergo a uniform dilatation with pin joints can be modelled by a single truss element. Planar ternary elements can likewise be modelled by three truss elements. In three dimensions, a rigid body can be modelled by six truss elements along the edges of a tetrahedron, but also three truss elements can be combined to form a triangular membrane element or six truss elements to form a constant-strain finite solid element. Applications to two benchmark problems and a Delta robot are given.

    Original languageEnglish
    Title of host publicationMultibody Dynamics 2019
    Subtitle of host publicationProceedings of the 9th ECCOMAS Thematic Conference on Multibody Dynamics
    EditorsAndres Kecskemethy, Francisco Geu Flores
    PublisherSpringer US
    Pages275-282
    Number of pages8
    ISBN (Electronic)978-3-030-23132-3
    ISBN (Print)978-3-030-23131-6
    DOIs
    Publication statusPublished - 1 Jan 2020
    EventMultibody Dynamics 2019: 9th ECCOMAS Thematic Conference - University of Duisburg-Essen, Duisburg, Germany
    Duration: 15 Jul 201918 Jul 2019

    Publication series

    NameComputational Methods in Applied Sciences
    Volume53
    ISSN (Print)1871-3033

    Conference

    ConferenceMultibody Dynamics 2019
    CountryGermany
    CityDuisburg
    Period15/07/1918/07/19

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