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Delamination Prediction by Continuum Damage Mechanics [PDF]
The present study describes the basic principles of a general damage approach for laminates and demonstrates its prediction possibilities for simulating the complete fracture phenomenon in the case of the initiation and propagation of delamination. In this paper, the Damage Mechanics Approach is presented to solve delamination problems such as the ...
Allix, Olivier +3 more
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Failure Analysis of Composite Pinned Joints Based on Continuum Damage Mechanics [PDF]
The paper conducted bearing tests on composite pinned joints with four different stacking sequences. The bearing strength and bearing chord stiffness were obtained.
doaj +1 more source
Basic concepts and models in continuum damage mechanics [PDF]
In this paper, we present some basic elements of macroscopic modelling of damage. We then recall the general approach of continuum damage based on the thermodynamics of irreversible processes and its application to isotropic damage modelling.
Cormery, Fabrice +2 more
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Springback Modeling in L-bending Process Using Continuum Damage Mechanics Concept
Springback is one of the most common and important issues in metal forming area. Due to it depends on variety of parameters, it is hard to predict. Hence, in this paper, the effect of continuum damage mechanics (CDM) based on the Lemaitre isotropic ...
Mehdi Shahabi, Ali Nayebi
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Performance of isotropic constitutive laws in simulating failure mechanisms in scaled RC beams
Results of numerical calculations of reinforced concrete (RC) beams are presented. Based on experimental results on longitudinally reinforced specimens of different sizes and shapes are investigated.
I. Marzec, J. Bobiński
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Simulating ice-shelf extent using damage mechanics
Inaccurate representations of iceberg calving from ice shelves are a large source of uncertainty in mass-loss projections from the Antarctic ice sheet. Here, we address this limitation by implementing and testing a continuum damage-mechanics model in a ...
Samuel B. Kachuck +4 more
doaj +1 more source
A Stress Tensor-based Failure Criterion for Ordinary State-based Peridynamic Models [PDF]
Peridynamics is a recent nonlocal theory of continuum mechanics that is suitable to describe fracture problems in solid mechanics. In this paper, a new failure criterion based on the stress field is developed by adopting the damage correspondence model ...
Daniele Dipasquale +4 more
doaj +1 more source
Continuum damage mechanics for the lithosphere [PDF]
[1] This paper introduces a new mathematical formulation of continuum damage mechanics for deep lithospheric layers subjected to thermomechanical loading. The material's rheology includes isotropic linear elasticity as well as nonlinear viscoplasticity induced by combined creep mechanisms.
A. Karrech, K. Regenauer-Lieb, T. Poulet
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Analyzing the characteristics of the cavity nucleation, growth and coalescence mechanism of 9Cr-1Mo-VNb steel (P91) steel [PDF]
Creep damage is one of the serious problems for the high temperature industries and computational approach (such as continuum damage mechanics) has been developed and used, complementary to the experimental approach, to assist safe operation.
An, Lili +3 more
core +1 more source
This paper analyses the influence of nonlinearity of the damage evolution equation that is introduced by exponent to the results obtained in the simulation of elastic-brittle material .
Piotr MIKA
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