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Title of Journal: Continuum Mech Thermodyn

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Abbravation: Continuum Mechanics and Thermodynamics

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Springer Berlin Heidelberg

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1432-0959

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A coupled ductile fracture phasefield model for c

Authors: Carlos Alberto Hernandez Padilla Bernd Markert
Publish Date: 2015/08/20
Volume: 29, Issue: 4, Pages: 1017-1026
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Abstract

Nowadays crack initiation and evolution play a key role in the design of mechanical components In the past few decades several numerical approaches have been developed with the objective to predict these phenomena The objective of this work is to present a simplified nonetheless representative phenomenological model to predict the crack evolution of ductile fracture in single crystals The proposed numerical approach is carried out by merging a conventional elastoplastic crystal plasticity model and a phasefield model modified to predict ductile fracture A twodimensional initial boundary value problem of ductile fracture is introduced considering a singlecrystal setup and Nickelbase superalloy material properties The model is implemented into the finite element context subjected to a quasistatic uniaxial tension test The results are then qualitatively analyzed and briefly compared to current benchmark results in the literature

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  2. On the volume average of energy and net power
  3. Modeling rammed earth wall using discrete element method
  4. Phonon cross-plane transport and thermal boundary resistance: effect of heat source size and thermal boundary resistance on phonon characteristics
  5. The evolution of laminates in finite crystal plasticity: a variational approach
  6. Fracture and debonding of a thin film on a stiff substrate: analytical and numerical solutions of a one-dimensional variational model
  7. Relaxation in crystal plasticity with three active slip systems
  8. Extensions of nondissipative continuum mechanics toward complex fluids and complex solids
  9. A phenomenological and extended continuum approach for modelling non-equilibrium flows
  10. Discrete structures equivalent to nonlinear Dirichlet and wave equations
  11. Variational Formulation of the First Principle of Continuum Thermodynamics
  12. A three-fluid approach in bipolar semiconductors with generation–recombination: constitutive laws and Onsager symmetry
  13. The role of dissipation and defect energy in variational formulations of problems in strain-gradient plasticity. Part 2: single-crystal plasticity
  14. GBT pre-buckling and buckling analyses of thin-walled members under axial and transverse loads
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