The simulation of granular media, in particular the simulation of soil is still under ongoing research. In classical soil mechanics, the focus of interest lies mainly on the stability of the material. Usually, there is no need to model large deformations or the separation of the material. For numerical simulations, the Finite Element Method (FEM) is well established in this field. In the design of commercial vehicles, construction equipment etc. engineers need to simulate the working process of the machinery, including the material handling like excavation, mixing of granular material or its transport. Due to the complexity of the physical properties of soil and due to the variety of simulation tasks in this field, different numerical methods have to be used in order to capture the physical behavior of all possible tasks. In this study, three different problems for soil simulation and possible solutions to them are shown. The first one is the interaction between a flexible tire with deformable soil. The second problem demonstrates a new numerical approach to model segregation in granular media. The last problem aims to predict the forces acting on a blade that is moved through soil.


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    Title :

    Simulation of soil behavior in virtual product development


    Contributors:


    Publication date :

    2010


    Size :

    13 Seiten, 13 Bilder, 17 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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