Sharif Digital Repository

Modelling the temperature rise effect through high-pressure torsion

Author

Parvin, H.

Publisher

Taylor and Francis Ltd

Pub. Year

2016

Subjects

Modelling. / Microstructural evolution. / Models. / Plastic flow. / Temperature. / Thermodynamics. / Torsional stress. / Dislocation densities. / Dislocation modeling. / Grain size. / High pressure torsions. / Taylor theory. / Temperature rise. / High pressure effects.

Two-internal variable thermodynamics modelling of severe plastic deformation: Dislocation and flow stress evolutions

Author

Parvin, H.

Publisher

Maney Publishing,

Pub. Year

2015

Subjects

Model. / Activation energy. / Microstructural evolution. / Plastic deformation. / Plastic flow. / Thermodynamics. / Dislocation densities. / Heterogeneous distributions. / Multi-variable models. / Self-diffusion activation energy. / Severe plastic deformations. / Stacking fault energies. / Subgrain boundaries. / Thermodynamics model. / Multivariable systems.

Dependency modeling of steady state grain size on the stacking fault energy through severe plastic deformation

Author

Parvin, H.

Publisher

Elsevier,

Pub. Year

2015

Subjects

Deformation and fracture. / Severe plastic deformation. / Simulation and modeling. / Stacking fault energy. / Steady state grain size. / Chemical activation. / Grain size and shape. / Plastic deformation. / Thermodynamics. / Deformation and fracture. / Grain size. / Severe plastic deformations. / Simulation and modeling. / Stacking fault energies. / Activation energy.

Limiting grain size through high-pressure torsion of different materials

Author

Parvin, H.

Publisher

Taylor and Francis Ltd,

Pub. Year

2020

Subjects

Grain refining. / High-pressure torsion. / Limiting grain size. / Modelling. / Thermodynamics. / Equal channel angular pressing. / Grain size and shape. / High pressure engineering. / Models. / Pressing (forming) / Thermodynamics. / Dislocation densities. / Grain refining. / Grain size. / High pressure torsions. / Limiting grain sizes. / Material parameter. / Torsional stress.

Strength evolution during accumulative roll bonding of the metal matrix composite

Author

Parvin, H.

Publisher

Elsevier Editora Ltda,

Pub. Year

2023

Subjects

Accumulative roll bonding. / Grain refining. / Modeling. / Severe plastic deformation.

Modeling the effect of Mg addition on microstructure and strength of aluminum during severe plastic deformation

Author

Parvin, H.

Pub. Year

2024

Subjects

Magnesium alloys. / Microstructure. / Plastic deformation. / AlMg alloy. / Dislocations densities. / Mg additions. / Mg solute. / Microstructure evolutions. / Property. / Pure Al. / Severe plastic deformations. / Solute content. / Strength. / Aluminum.

Producing water from saline streams using membrane distillation: Modeling and optimization using CFD and design expert

Author

Shokrollahi, M.

Publisher

John Wiley and Sons Ltd,

Pub. Year

2020

Subjects

CFD. / Design of experiments method. / Diffusion. / Mass transfer. / Computational fluid dynamics. / Design of experiments. / Distillation. / Distilleries. / Efficiency. / Numerical methods. / Potable water. / Saline water. / Computational fluid dynamics simulations. / Experiments design. / Interaction modules. / Membrane distillation. / Modeling and optimization. / Non-isothermal process. / Operating condition. / Thermal efficiency. / Membranes.

Raptor codes on symmetric channels

Author

Etesami, O.

Pub. Year

2004

Subjects

Error probability. / Additive white noise. / AWGN channels. / Capacity planning. / H infinity control. / Belief propagation. / Channel capacity. / Decoding. / Probability distribution. / Sampling methods.

Deformation and stress analysis of sandwich cylindrical shells with a flexible core using harmonic differential quadrature method

Author

Shokrollahi, H.

Pub. Year

2014

Subjects

General lateral loading. / Harmonic differential quadrature method. / Coremaking. / Cylinders (shapes) / Deformation. / Differentiation (calculus) / Harmonic analysis. / Potential energy. / Sandwich structures. / Shells (structures) / Stress analysis. / Flexible core. / Harmonic differential quadrature. / High-order theory. / Lateral loading. / Sandwich cylindrical shells. / Loading.

An approach in deformation and stress analysis of elasto-plastic sandwich cylindrical shell panels based on harmonic differential quadrature method

Author

Shokrollahi, H.

Pub. Year

2017

Subjects

Harmonic differential quadrature method. / Sandwich cylindrical shell panels. / Coremaking. / Cylinders (shapes) / Differentiation (calculus) / Elastoplasticity. / Hardening. / Harmonic analysis. / Iterative methods. / Sandwich structures. / Shells (structures) / Static analysis. / Strain hardening. / Stress analysis. / Elastoplastic deformation. / Finite element software. / Harmonic differential quadrature. / Linear work hardening. / Principle of virtual displacements. / Sandwich cylindrical shells. / Stress and displacements. / Thin cylindrical shell. / Finite element method.

Role of the nucleating agent masterbatch carrier resin in the nonisothermal crystallization kinetics of polypropylene

Author

Shokrollahi, M.

Publisher

Springer Nature,

Pub. Year

2022

Subjects

Alcohols. / Block copolymers. / Cooling. / Differential scanning calorimetry. / Isotherms. / Kinetic parameters. / Polybutadienes. / Polypropylenes. / Resins. / Cooling rates. / Kinetics parameter. / Master batch. / Nonisothermal crystallization. / Nonisothermal crystallization kinetics. / Nucleating agents. / Pipe grades. / Polypropylene block copolymers. / Sorbitol derivatives. / Third generation. / Crystallization kinetics.

Controlling the rheological behavior of nucleated polypropylene via incorporating dimethylbenzylidene sorbitol (DMDBS) masterbatch

Author

Shokrollahi, M.

Publisher

Iran Polymer and Petrochemical Institute,

Pub. Year

2023

Subjects

Masterbatch. / Nucleating agent. / Phase separation. / Polypropylene. / Rheology.

Prediction of phase equilibrium of CO2/cyclic compound binary mixtures using a rigorous modeling approach

Author

Mesbah, M.

Pub. Year

2014

Subjects

Dew point pressure. / Least-squares support vector machine. / Outlier diagnostics. / Supercritical phase equilibrium. / Artificial intelligence. / Binary mixtures. / Bottom hole pressure. / Equations of state. / Forecasting. / Numerical methods. / Phase equilibria. / Vapors. / Bubble point pressure. / Leverage approach. / Carbon dioxide.