A variational principle for the revised Goodman-Cowin theory with internal length

Chung Fang, Yongqi Wang, Kolumban Hutter

研究成果: Article同行評審

9 引文 斯高帕斯(Scopus)

摘要

In the present study a variational principle is proposed for the revised Goodman-Cowin theory with internal length for cohesionless granular materials (Fang et al. in Continuum Mech Thermodyn in press). The balance equations of the internal variables employed in the theory in equilibrium states, the equilibrium expressions of the constitutive variables and the corresponding natural boundary conditions are derived by use of the proposed variational principle for both cases of compressible and incompressible grains. It is demonstrated that the derived results coincide with those obtained by use of the thermodynamic analysis. The current work serves as a supplementary variational verification of the constitutive theory proposed in Fang et al. (in Continuum Mech Thermodyn in press).

原文English
頁(從 - 到)119-131
頁數13
期刊Archive of Applied Mechanics
76
發行號3-4
DOIs
出版狀態Published - 2006 十一月 1

All Science Journal Classification (ASJC) codes

  • 機械工業

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