Study on Elastic-Plastic Damage Constitutive Model of Frozen Soil Based on Energy Dissipation Theory

Zhi Min Li; Tao Liu; Zhi Li Cui

doi:10.4028/www.scientific.net/AMM.423-426.1187

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 423-426Study on Elastic-Plastic Damage Constitutive Model...

Study on Elastic-Plastic Damage Constitutive Model of Frozen Soil Based on Energy Dissipation Theory

Abstract:

Starting from the thermodynamics, model of frozen soil is studied by energy dissipation theory and the inside and outside the state variables is given under isothermal conditions. Damage of frozen soil is re-flecked by effective stress and damage tensor in Damage Mechanics. Dissipation function is in form of plastic dissipation function (DP yield criterion) and the damage dissipation function. And plastic dissipation function is coupled of the damage variable. Through the elastic-plastic and damage evolution, frozen soil incremental elastic-plastic damage constitutive model is made. And finite element scheme is given.

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Periodical:

Applied Mechanics and Materials (Volumes 423-426)

Pages:

1187-1192

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.423-426.1187

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Online since:

September 2013

Authors:

Zhi Min Li, Tao Liu, Zhi Li Cui

Keywords:

Constitutive Model, Damage, Energy Dissipation Theory, Frozen Soil

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References

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