Sharif Digital Repository

Neural network-PID controller for roll fin stabilizer

Author

Ghassemi, H.

Pub. Year

2010

Subjects

Fin stabilizer. / Neural network. / PID control. / Restoring force.

Probabilistic key pre-distribution for heterogeneous mobile ad hoc networks using subjective logic

Author

Ahmadi, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2015

Subjects

Probabilistic asymmetric key pre-distribution. / Subjective logic. / Trust. / Digital storage. / Mobile security. / Network security. / Probability distributions. / Public key cryptography. / Telecommunication networks. / Asymmetric key. / Distributed approaches. / MANET. / Mobile adhoc network (MANETs) / Network simulator ns-3. / Public key management. / Subjective Logic. / Mobile ad hoc networks.

When do colliding bubbles produce an expanding universe?

Author

Blanco Pillado, J. J.

Pub. Year

2004

A novel approach towards control of exoskeletal systems as an assistive device for human's upper extremity

Author

Ghassemi, M.

Pub. Year

2014

Subjects

Muscle model. / Musculoskelton model. / Rehabilitation. / Communication systems. / Electrical engineering. / Information technology. / Joints (anatomy) / Patient rehabilitation. / Assistive devices. / Control strategies. / Exoskeleton. / Lyapunov-based controller. / Muscle modeling. / Musculoskeletal model. / Two degrees of freedom. / Upper extremity. / Computer simulation.

Pore scale study of permeability and tortuosity for flow through particulate media using Lattice Boltzmann method

Author

Ghassemi, A.

Pub. Year

2011

Subjects

Lattice Boltzmann method. / Tortuosity. / Coefficient of permeability. / Discrete element method. / Flowthrough. / Granular media. / Granular soils. / Intrinsic permeability. / Kinematic model. / Lattice Boltzmann method. / Mesoscopic process. / Numerical studies. / On flow. / Particulate media. / Pore scale. / Specific surface. / Tortuosity factor. / Geologic models. / Kinematics. / Porosity. / Two dimensional. / Mechanical permeability. / computational fluid dynamics. / grain size. / granular medium. / numerical method. / particle size. / permeability. / soil water.

Numerical study of factors influencing relative permeabilities of two immiscible fluids flowing through porous media using lattice Boltzmann method

Author

Ghassemi, A.

Pub. Year

2011

Subjects

Grain size distribution. / Lattice Boltzmann method. / Relative permeability. / Viscosity ratio. / Flow of fluids. / Fluids. / Grain size and shape. / Numerical methods. / Petroleum reservoirs. / Porous materials. / Size distribution. / Viscosity. / Wetting. / Petroleum reservoir engineering. / Computer simulation. / Flow modeling. / Fluid flow. / geometry. / Grain size. / Hydrocarbon reservoir. / Immiscible fluid. / Numerical model. / Permeability. / Petroleum hydrocarbon. / Pore space. / Porous medium. / Wettability.

Coupled lattice boltzmann - Discrete element method for numerical modelling of sand production

Author

Ghassemi, A.

Pub. Year

2011

Subjects

Discrete Element Method. / 2D simulations. / Circular particle. / Confining pressures. / Developed model. / Discrete Element Method (DEM) / Fluid flow in porous media. / Lattice boltzmann. / Lattice Boltzmann method. / Lattice boltzmann methods (LBM) / Numerical approaches. / Numerical modelling. / Numerical tools. / Sand production. / Computer simulation. / Porous materials. / Sand. / Finite difference method.

Numerical simulation of sand production experiment using a coupled Lattice Boltzmann-Discrete Element Method

Author

Ghassemi, A.

Publisher

Elsevier,

Pub. Year

2015

Subjects

Discrete Element Method. / Lattice Boltzmann Method. / Sand production. / Buoyancy. / Computational fluid dynamics. / Finite difference method. / Flow of fluids. / Gravitation. / Kinetic theory. / Numerical models. / Rock pressure. / Sand. / Shear flow. / Bench-mark problems. / Computational resources. / Lattice boltzmann methods (LBM) / Numerical approaches. / Sandstone reservoirs. / Two-dimensional simulations. / Numerical methods. / Computer simulation. / Confining pressure. / Experimental study. / In situ stress. / Well completion.

Durability of epoxy polymer and ordinary cement concrete in aggressive environments

Author

Ghassemi, P.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Epoxy polymer concrete (EPC) / Long-term environmental durability. / Ordinary cement concrete (OCC) / Alkalinity. / Chemical resistance. / Compressive strength. / Durability. / Epoxy resins. / Mechanical properties. / Portland cement. / Scanning electron microscopy. / Seawater. / Taguchi methods. / Tensile strength. / Aggressive environment. / Alkaline conditions. / Artificial seawater. / Chemical solutions. / Environmental durability. / Epoxy polymer concretes. / Ordinary cements. / Splitting tensile strength. / Concretes.

Modeling routing protocols in ad hoc networks

Author

Ghassemi, F.

Pub. Year

2008

Subjects

Broadcast communication. / Connectivity. / Formal modeling and verification. / Implicit Mobility. / MAC layer. / Mobility behavior. / Process Algebra. / Process algebras. / Protocols specification. / Restricted Broadcasting. / Algebra. / Broadcasting. / Computer science. / Formal methods. / Network layers. / Routing protocols. / Ad hoc networks.

Heuristic rules for tardiness problem in flow shop with intermediate due dates

Author

Ghassemi Tari, F.

Pub. Year

2014

Subjects

Flow shop. / Heuristic rules. / Intermediate due dates. / Permutation schedule. / Total tardiness. / Due dates. / Flow-shops. / Permutation schedules. / Computational complexity. / Scheduling algorithms. / Machine shop practice.

Scheduling TV commercials using genetic algorithms

Author

Ghassemi Tari, F.

Pub. Year

2013

Subjects

Combinatorial optimisation. / Genetic algorithm. / Scheduling TV commercials. / Combinatorial auction. / Computational experiment. / Linear programming relaxation. / Mathematical programming models. / Near-optimal solutions. / Steady-state genetic algorithms. / TV commercial. / Winner determination. / Combinatorial optimization. / Communication channels (information theory) / Computational efficiency. / Experiments. / Genetic algorithms. / Marketing. / Mathematical programming. / Optimal systems. / Scheduling. / Combinatorial mathematics.

A new linear adjacency approach for facility layout problem with unequal area departments

Author

Ghassemi Tari, F.

Publisher

Elsevier,

Pub. Year

2015

Subjects

Facility planning of unequal department sizes. / Linear adjacency relation. / Mixed integer mathematical programming. / Mathematical programming. / Plant layout. / Adjacency relations. / Computational studies. / Facility layout problems. / Generalized version of adjacency. / Layout designs. / Mathematical programming models. / Mixed integer. / Unequal department size. / Integer programming.

A priority based genetic algorithm for nonlinear transportation costs problems

Author

Ghassemi Tari, F.

Publisher

Elsevier Ltd,

Pub. Year

2016

Subjects

Discounted transportation costs. / Fixed cost transportation. / Nonlinear combinatorial optimization. / Priority genetic algorithm. / Algorithms. / Combinatorial optimization. / Cost accounting. / Costs. / Fleet operations. / Genetic algorithms. / Integer programming. / Mathematical programming. / Optimization. / Transportation routes. / Vehicles. / 0-1 integer programming models. / Computational effort. / Computational experiment. / Fixed cost. / Heterogeneous fleet. / Manufacturing firms. / Mathematical programming models. / Transportation cost. / Transportation.

Constructing an optimal facility layout to maximize adjacency as a function of common boundary length

Author

Ghassemi Tari, F.

Publisher

Taylor and Francis Ltd,

Pub. Year

2018

Subjects

Constrictive facility layout. / Mathematical programming. / Computational experiment. / Correlated adjacency and boundary length. / Facility layout. / High flow. / Layout designs. / Material Flow. / Mathematical programming models. / Unequal rectangular department. / Plant layout.

Prioritized K-mean clustering hybrid GA for discounted fixed charge transportation problems

Author

Ghassemi Tari, F.

Publisher

Elsevier Ltd,

Pub. Year

2018

Subjects

Discounted transportation cost. MILP model. / Fixed charge transportation model. / Manufacturing logistics. / Prioritized K-mean clustering hybrid GA. / Clustering algorithms. / Computational efficiency. / Genetic algorithms. / Integer programming. / Vehicles. / Computational experiment. / Factorial experimental design. / Fixed charge transportation. / Hybrid GA. / MILP model. / Non-linear mathematical programming model. / Transportation network. / Fleet operations.