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# Type Title Author Publisher Pub. Year Subjects Call Number
1 مقاله An atomistic–continuum multiscale analysis for heterogeneous nanomaterials and its application in nanoporous gold foams Nikravesh, Y. Elsevier Inc, 2022 Homogenization method.
Nanoscale void defect.
RVE-based multiscale.
Defects.
Gold.
Nanostructured materials.
Atomistics.
Element-based.
Hill-mandel principle.
Nano scale.
Nanoporous gold.
Nanoporous gold foam.
Representative volume element-based multiscale.
Representative volume elements.
Void defects.
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2 مقاله A single cone-cap plasticity with an isotropic hardening rule for powder materials Khoei, A. R. 2005 Computer simulation.
Elastic moduli.
Finite element method.
Hardening.
Hydrostatic pressure.
Mathematical models.
Plasticity.
Surfaces.
Cap models.
Isotropic hardening.
Powder compactions.
Single cone-cap plasticity.
Powders.
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3 مقاله Extended finite element method in plasticity forming of powder compaction with contact friction Khoei, A. R. 2006 Computational methods.
Computer simulation.
Finite element method.
Friction.
Plasticity.
Powders.
Stresses.
Cap plasticity.
Contact friction.
Extended FEM.
Partition of unity.
Powder compaction.
Compaction.
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4 مقاله SUT-DAM: An integrated software environment for multi-disciplinary geotechnical engineering Khoei, A. R. Elsevier Ltd, 2006 Boundary conditions.
Computational methods.
Computer simulation.
Computer software.
Integration.
Large scale systems.
Plasticity.
Problem solving.
Adaptive strategy.
Cap plasticity.
FE software.
P-Z models.
Post-processing.
Pre-processing.
Unsaturated soils.
Geotechnical engineering.
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5 مقاله Modeling of pressure-sensitive materials using a cap plasticity theory in extended finite element method Shamloo, A. 2005 Boundary conditions.
Computer simulation.
Continuum mechanics.
Failure analysis.
Finite element method.
Hydrostatic pressing.
Mathematical models.
Plasticity.
Stresses.
Compaction.
Crack propagation.
Powder metals.
Cap plasticity model.
Discountinity.
Partition of unity.
Pressure-sensitive materials.
Materials science.
Surfaces.
Discontinuity.
Sub-element.
X-FEM.
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6 مقاله Fully coupled hydromechanical multiscale model with microdynamic effects Khoei, A. R. John Wiley and Sons Ltd, 2018 Multiscale model.
Boundary value problems.
Computation theory.
Homogenization method.
Numerical methods.
Porous materials.
Size separation.
Surface morphology.
Volume measurement.
Computational homogenization.
Microdynamic effects.
Multi-scale Modeling.
Multiscale finite element.
Multiscale method.
Particle arrangements.
Representative volume element (RVE)
Saturated porous media.
Finite element method.
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7 مقاله H-adaptive finite element analysis for localization phenomena with reference to metal powder forming Khoei, A. R. 2002 Adaptive remeshing.
Displacement discontinuity.
Element elongation.
Incompressibility.
Strain softening.
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8 مقاله FE modelling of mechanical interaction of lugged frp rods with concrete, comparison between experiment and simulation Khoei, A. R. Elsevier Inc, 2004 Concretes.
Bond behavior.
Pull-out loads.
Numerical results.
Mechanical interactions.
General aspects.
FRP rods.
FE-modelling.
Bond mechanism.
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9 مقاله H-adaptive mesh refinement for shear band localization in elasto-plasticity Cosserat continuum Khoei, A. R. 2005 Adaptive algorithms.
Automation.
Computational complexity.
Computer simulation.
Deformation.
Degrees of freedom (mechanics)
Mathematical models.
Nonlinear systems.
Shear deformation.
Continuum models.
Mesh refinement.
Strain-softening models.
Elastoplasticity.
Deformation.
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10 مقاله The genetic algorithm approach for shape optimization of powder compaction processes considering contact friction and cap plasticity models Khoei, A. R. 2010 Material deforming processes.
Powders.
Production processes.
Cap plasticity model.
Component based.
Contact friction.
Design variables.
Design/methodology/approach.
Finite element formulations.
Forming process.
Frictional contact.
Genetic algorithm approach.
Lagrangian.
Large deformations.
Nodal coordinates.
Numerical example.
Numerical modeling.
Numerical simulation.
Optimization algorithms.
Plasticity theory.
Powder behavior.
Powder compactions.
Powder deformation.
Production process.
Sliding resistance.
Tool interface.
Compaction.
Computer simulation.
Deformation.
Friction.
Genetic algorithms.
Plasticity.
Production engineering.
Tribology.
Shape optimization.
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11 مقاله Compaction simulation of crystalline nano-powders under cold compaction process with molecular dynamics analysis Khoei, A. R. Elsevier B. V, 2020 Cold compaction.
Compaction velocity.
EAM potential.
Metal nano-powders.
Compaction.
Metals.
Nanocrystalline materials.
Nanoparticles.
Stress-strain curves.
Canonical ensemble.
Compaction pressure.
Interatomic interactions.
Interatomic potential.
Material characteristics.
Mechanical behavior.
Metal nano-particles.
Molecular dynamics methods.
Powder metals.
Metal nanoparticle.
Nickel nanoparticle.
Chemical analysis.
Cold.
Crystal.
Environmental temperature.
Geometry.
Pressure measurement.
Simulation.
Stress.
Temperature measurement.
Velocity.
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12 مقاله A three-invariant cap plasticity model with kinematic hardening rule for powder materials Khoei, A. R. 2007 Computer simulation.
Elastoplasticity.
Hardening.
Inverse kinematics.
Parameter estimation.
Powders.
Cap model.
Kinematic hardening.
Powder compaction.
Three-invariant plasticity.
Plasticity.
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13 مقاله Modeling of large deformation frictional contact in powder compaction processes Khoei, A. R. 2008 Deformation.
Finite element method.
Coulomb friction law.
Frictional contact.
Relative density distribution.
Sliding resistance.
Compaction.
Friction.
Mathematical models.
Plasticity.
Powder metals.
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14 مقاله Reproducing Kernel particle method in plasticity of pressure-sensitive material with reference to powder forming process Khoei, A. R. Springer Verlag, 2007 Adhesives.
Boundary conditions.
Compaction.
Computer simulation.
Deformation.
Finite element method.
Powders.
Double surface plasticity.
Meshfree method.
Powder compaction.
Reproducing kernel particle method (RKPM)
Plasticity.
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15 مقاله A three-invariant hardening plasticity for numerical simulation of powder forming processes via the arbitrary Lagrangian-Eulerian FE model Khoei, A. R. 2006 Compaction.
Finite element method.
Hardening.
Plasticity.
Powders.
Pressing (forming)
Confining pressure.
Double-surface plasticity.
Elasto-plastic matrix.
Eulerian phase.
Lagrangian phase.
Powder compaction.
Three-invariant cap plasticity.
Triaxial compression.
Computer simulation.
Compaction.
Computer simulation.
Finite element method.
Hardening.
Plasticity.
Powders.
Pressing (forming)
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16 مقاله Local density variation of gold nanoparticles in aquatic environments Hosseinzadeh, F. Elsevier, 2016 Au nanoparticles.
Gold cluster.
Gold colloids.
Molecular dynamics.
Distribution functions.
Gold compounds.
Molecular dynamics.
Nanoparticles.
Particle size.
Aquatic environments.
Aqueous environment.
Au nanoparticle.
Crystalline feature.
Gold clusters.
Gold colloid.
Radial distribution functions.
Root mean square displacement.
Gold.
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17 مقاله A polygonal-FEM technique in modeling large sliding contact on non-conformal meshes: A study on polygonal shape functions Khoei, A. R. 2015 Polygonal-FEM.
Deformation.
Degrees of freedom (mechanics)
Interpolation.
Arbitrary interfaces.
Contact constraint.
Contact problem.
Design/methodology/approach.
Discontinuous deformation.
Interpolation function.
Non-conformal meshes.
Numerical convergence.
Numerical methods.
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18 مقاله A polygonal finite element method for modeling crack propagation with minimum remeshing Khoei, A. R. Kluwer Academic Publishers, 2015 Polygonal FEM.
Singular polygonal element.
Crack propagation.
Crack tips.
Cracks.
Fracture mechanics.
Crack growth simulation.
Crack tip fields.
Linear fracture mechanics.
Polygonal element.
Polygonal finite element.
Polygonal meshes.
Polygonal shapes.
Shape functions.
Finite element method.
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19 مقاله New approximation functions in the meshless finite volume method for 2D elasticity problems Ebrahimnejad, M. 2014 Control volume.
Shape function.
Finite volume method.
Approximation function.
Bench-mark problems.
Delau-nay triangulations.
Meshles.
Moving least squares.
Radial point interpolation method.
Numerical methods.
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20 مقاله Effect of defects on the local shell buckling and post-buckling behavior of single and multi-walled carbon nanotubes Eftekhari, M. 2013 Carbon nanotube.
Local buckling behavior.
Stone-Wales defect.
Vacancy defect.
Molecular dynamics.
Local buckling.
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Total 19877 records