The mechanical behavior of soils may be approximated using different models that depend on particular soil characteristics and simplifying assumptions. For this reason, researchers have proposed and expounded upon a large number of constitutive models and approaches that describe various aspects of soil behavior. However, there are few material models capable of predicting the behavior of soils for engineering applications and are at the same time appropriate for implementation into finite element (FE) and multibody system (MBS) algorithms. This paper presents a survey of some of the commonly used continuum-based soil models. The aim is to provide a summary of continuum-based soil models and examine their suitability for integration with the large-displacement FE absolute nodal coordinate formulation (ANCF) and MBS algorithms. Special emphasis is placed on the formulation of soils used in conjunction with vehicle dynamics models. The implementation of these soil models in MBS algorithms used in the analysis of complex vehicle systems is also discussed. Because semiempirical terramechanics soil models are currently the most widely used to study vehicle/soil interaction, a review of classical terramechanics models is presented in order to be able to explain the modes of displacements that are not captured by these simpler models. Other methods such as the particle-based and mesh-free models are also briefly reviewed. A Cam–Clay soil model is used in this paper to explain how such continuum-mechanics based soil models can be implemented in FE/MBS algorithms.
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July 2013
Review Articles
Soil Models and Vehicle System Dynamics
Ulysses Contreras,
Ulysses Contreras
Department of Mechanical and
Industrial Engineering,
Industrial Engineering,
University of Illinois at Chicago
,842 West Taylor Street
,Chicago, IL 60607
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Guangbu Li,
Guangbu Li
Department of Mechanical Engineering,
Shanghai Normal University
,100 Guilin Road
,Shanghai, 200234
China
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Craig D. Foster,
Craig D. Foster
Department of Civil and Materials Engineering,
University of Illinois at Chicago
,842 West Taylor Street
,Chicago, IL 60607
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Ahmed A. Shabana,
Ahmed A. Shabana
Department of Mechanical and
Industrial Engineering,
Industrial Engineering,
University of Illinois at Chicago
,842 West Taylor Street
,Chicago, IL 60607
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Michael D. Letherwood
Michael D. Letherwood
U.S. Army RDECOM-TARDEC
,6501 East 11 Mile Road
,Warren, MI 48397-5000
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Ulysses Contreras
Department of Mechanical and
Industrial Engineering,
Industrial Engineering,
University of Illinois at Chicago
,842 West Taylor Street
,Chicago, IL 60607
Guangbu Li
Department of Mechanical Engineering,
Shanghai Normal University
,100 Guilin Road
,Shanghai, 200234
China
Craig D. Foster
Department of Civil and Materials Engineering,
University of Illinois at Chicago
,842 West Taylor Street
,Chicago, IL 60607
Ahmed A. Shabana
Department of Mechanical and
Industrial Engineering,
Industrial Engineering,
University of Illinois at Chicago
,842 West Taylor Street
,Chicago, IL 60607
Michael D. Letherwood
U.S. Army RDECOM-TARDEC
,6501 East 11 Mile Road
,Warren, MI 48397-5000
Manuscript received February 21, 2012; final manuscript received May 20, 2013; published online August 27, 2013. Editor: Harry Dankowicz.This material is declared a work of the U.S. Government and is not subject to copyright protection in the United States. Approved for public release; distribution is unlimited.
Appl. Mech. Rev. Jul 2013, 65(4): 040802 (21 pages)
Published Online: August 27, 2013
Article history
Received:
February 21, 2012
Revision Received:
May 20, 2013
Citation
Contreras, U., Li, G., Foster, C. D., Shabana, A. A., Jayakumar, P., and Letherwood, M. D. (August 27, 2013). "Soil Models and Vehicle System Dynamics." ASME. Appl. Mech. Rev. July 2013; 65(4): 040802. https://doi.org/10.1115/1.4024759
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