Finite element analysis for tractive performance of a rigid wheel, 1: Analysis using loading and unloading models of soil

A finite element program with the viscoelactic model of a soil under a loading stress state and the elastic model under an unloading stress state, taking into consideration friction and adhesion between the rigid wheel and soil, was developed to analyze the plastic behavior of soil under a running r...

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Bibliographic Details
Published inNōgyō Kikai Gakkaishi Vol. 61; no. 1
Main Authors Hiroma, T. (Iwate Univ., Morioka (Japan). Faculty of Agriculture), Abe, K, Kataoka, T, Ota, Y
Format Journal Article
LanguageJapanese
Published 01.01.1999
Subjects
DESEMPENO DE LA MAQUINARIA
EQUIPMENT PERFORMANCE
METHODE
METHODS
METODOS
MODELE
MODELOS
PERFORMANCE DU MATERIEL
PROPIEDADES FISICO-QUIMICAS SUELO
PROPRIETE PHYSICOCHIMIQUE DU SOL
ROUE
RUEDAS
SOIL CHEMICOPHYSICAL PROPERTIES
WHEELS
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Summary:A finite element program with the viscoelactic model of a soil under a loading stress state and the elastic model under an unloading stress state, taking into consideration friction and adhesion between the rigid wheel and soil, was developed to analyze the plastic behavior of soil under a running rigid wheel. The coefficients of viscosity, the bulk moduli and the moduli of rigidity of soil model under a three axial stress state were measured with unconfined compression tests. The soil models were verified by calculations under the loading and unloading stress state. The developed program can estimate the tractive performance of a wheel and the soil compaction under a running wheel
Bibliography:P33
1999002356
N20
ISSN:0285-2543