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Archive of Mechanical Engineering

The Journal of Committee on Machine Building of Polish Academy of Sciences

4 Issues per year

CiteScore 2016: 0.44

SCImago Journal Rank (SJR) 2016: 0.162
Source Normalized Impact per Paper (SNIP) 2016: 0.459

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Volume 60, Issue 1 (Mar 2013)

Continuum Mechanical Considerations for Rigid Bodies and Fluid-Structure Interaction Problems

Christian Hesch / Peter Betsch
Published Online: 2013-03-27 | DOI: https://doi.org/10.2478/meceng-2013-0006

The present work deals with continuum mechanical considerations for deformable and rigid solids as well as for fluids. A common finite element framework is used to approximate all systems under considerations. In particular, we present a standard displacement based formulation for the deformable solids and make use of this framework for the transition of the solid to a rigid body in the limit of infinite stiffness. At last, we demonstrate how to immerse a discretized solid into a fluid for fluid-structure interaction problems.


Przedstawiona praca dotyczy mechaniki continuum w zastosowaniu do ciał sztywnych i odkształcalnych oraz do płynów. W ramach wspólnego systemu elementów skonczonych dokonano aproksymacji całego rozwazanego systemu.Wszczególnosci, przedstawiono standardowe, oparte na przemieszczeniach, sformułowanie FEM dla ciał deformowalnych i wykorzystano je przy przejsciu granicznym do ciała o nieskonczonej sztywnosci. W koncu, zademonstrowano problemy interakcji miedzy płynem a struktura na przykładzie zdyskretyzowanego ciała zanurzonego w cieczy

Keywords : continuum mechanics; rigid bodies; covariant; fluid-structure interaction

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About the article

Published Online: 2013-03-27

Published in Print: 2013-03-01

Citation Information: Archive of Mechanical Engineering, ISSN (Print) 0004-0738, DOI: https://doi.org/10.2478/meceng-2013-0006.

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