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Mechanical Sciences An open-access journal for theoretical and applied mechanics
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Volume 4, issue 1
Mech. Sci., 4, 49–64, 2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Recent advances and current trends in numerical multibody...

Mech. Sci., 4, 49–64, 2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 12 Feb 2013

Research article | 12 Feb 2013

CHRONO: a parallel multi-physics library for rigid-body, flexible-body, and fluid dynamics

H. Mazhar1, T. Heyn1, A. Pazouki1, D. Melanz1, A. Seidl1, A. Bartholomew1, A. Tasora2, and D. Negrut1 H. Mazhar et al.
  • 1Simulation Based Engineering Lab, Department of Mechanical Engineering, University of Wisconsin, Madison, WI, 53706, USA
  • 2Department of Industrial Engineering, University of Parma, V.G.Usberti 181/A, 43100, Parma, Italy

Abstract. The last decade witnessed a manifest shift in the microprocessor industry towards chip designs that promote parallel computing. Until recently the privilege of a select group of large research centers, Teraflop computing is becoming a commodity owing to inexpensive GPU cards and multi to many-core x86 processors. This paradigm shift towards large scale parallel computing has been leveraged in CHRONO, a freely available C++ multi-physics simulation package. CHRONO is made up of a collection of loosely coupled components that facilitate different aspects of multi-physics modeling, simulation, and visualization. This contribution provides an overview of CHRONO::Engine, CHRONO::Flex, CHRONO::Fluid, and CHRONO::Render, which are modules that can capitalize on the processing power of hundreds of parallel processors. Problems that can be tackled in CHRONO include but are not limited to granular material dynamics, tangled large flexible structures with self contact, particulate flows, and tracked vehicle mobility. The paper presents an overview of each of these modules and illustrates through several examples the potential of this multi-physics library.

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