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Brittle-ductile failure transition in geomaterials modeled by a modified phase-field method with a varying damage-driving energy coefficient
With elevated confining pressure and low temperatures, geomaterials may exhibit brittle-to-
ductile failure transition due to increased cataclastic flow. In this work, we propose a …
ductile failure transition due to increased cataclastic flow. In this work, we propose a …
Investigation of fatigue crack growth in engineering components containing different types of material irregularities by XFEM
The extended finite element (XFEM) has been applied to investigate fatigue crack growth in
engineering components containing different types of material irregularities. The standard …
engineering components containing different types of material irregularities. The standard …
Elastoplastic deformation of a porous rock and water interaction
In this paper, a new constitutive model is proposed for the description of elastoplastic
behaviour of a porous chalk, including creep deformation and effect of water saturation. The …
behaviour of a porous chalk, including creep deformation and effect of water saturation. The …
Numerical simulation of the forging process
P Hartley, I Pillinger - Computer methods in applied mechanics and …, 2006 - Elsevier
The principal objective of this paper is to provide a short overview of recent research in the
numerical simulation of forging, with an emphasis on applications rather than the …
numerical simulation of forging, with an emphasis on applications rather than the …
Experimental studies on the yield behavior of ductile and brittle aluminum foams
Specimen size effects are a major cause of the unreliability of foam models in finite element
codes. Here, the modified Arcan apparatus is used to investigate the biaxial yielding of …
codes. Here, the modified Arcan apparatus is used to investigate the biaxial yielding of …
Implementation of plasticity based models in dynamic analysis of earth and rockfill dams: A comparison of Pastor–Zienkiewicz and cap models
In this paper, a unified finite element formulation associated with saturated and unsaturated
soils is presented. The finite element method is applied to the governing equations for the …
soils is presented. The finite element method is applied to the governing equations for the …
A porosity-dependent inelastic criterion for engineering materials
Many criteria have been developed to describe the yielding condition, plastic potential, and
failure strength of engineering materials. In this paper, the authors first review the …
failure strength of engineering materials. In this paper, the authors first review the …
Modelling dynamic and irreversible powder compaction
A multiphase hyperbolic model for dynamic and irreversible powder compaction is built.
Four important points have to be addressed in this case. The first one is related to the …
Four important points have to be addressed in this case. The first one is related to the …
Multiaxial constitutive model accounting for the strength-differential in Inconel 718
The nickel-base alloy Inconel 718 exhibits a strength-differential, that is, a different plastic
flow behavior in uniaxial tension and uniaxial compression. A phenomenological …
flow behavior in uniaxial tension and uniaxial compression. A phenomenological …
[HTML][HTML] Extended finite element method in plasticity forming of powder compaction with contact friction
In this paper, a new computational technique is presented based on the eXtended Finite
Element Method (X-FEM) in pressure-sensitive plasticity of powder compaction considering …
Element Method (X-FEM) in pressure-sensitive plasticity of powder compaction considering …