Sharif Digital Repository

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.

Numerical investigation on mixing intensification of ferrofluid and deionized water inside a microchannel using magnetic actuation generated by embedded microcoils for lab-on-chip systems

Author

Saadat, M.

Publisher

Elsevier B.V,

Pub. Year

2020

Subjects

Ferrofluid. / Lab-on-chip. / Microfluidics. / Micromixing. / Deionized water. / Embedded systems. / Inlet flow. / Laboratories. / Magnetic field effects. / Magnetic fluids. / Magnetism. / Maxwell equations. / Microchannels. / Numerical methods. / Velocity. / Chemical and biologicals. / Influencing parameters. / Lab on chip. / Magnetic field strengths. / Mass transport equation. / Maxwell-Ampere equation. / Micro-mixing. / Numerical investigations. / Nonlinear equations.

Effects of grain geometry on pulse-triggered combustion instability in rocket motors

Author

Golafshani, M.

Pub. Year

2002

Numerical simulations of the hydrodynamic performance of the propeller with wake equalizing duct behind the ship

Author

Rezaei, S.

Publisher

Sharif University of Technology,

Pub. Year

2022

Subjects

DTMB4119 propeller. / KRISO Container Ship (KCS) / Pre-swirl stator. / Propeller performance. / Symmetric and asymmetric ducts. / Wake equalizing duct. / Computational fluid dynamics. / Containers. / Ducts. / Equalizers. / Hydrodynamics. / Numerical models. / Propellers. / Quadratic programming. / Ship propulsion. / Ships. / Stators. / Turbulence models. / Vehicle performance. / Wakes. / Container ships. / Dtmb4119 propeller. / KRISO container ship. / Performance. / Pre-swirl. / Symmetric and asymmetric duct. / Symmetrics. / Finite volume method. / Container ship. / Numerical model. / Performance assessment. / Simulation. / Wake.

An atomistic based model for interacting crack and inhomogeneity in fcc metals under polynomial loading

Author

Shodja, H. M.

Pub. Year

2009

Subjects

Atomic interactions. / Atomistic methods. / Classical approach. / Critical issues. / FCC metals. / In-depth understanding. / Inhomogeneities. / Interatomic potential. / Many body. / Mechanical behavior. / Metallic alloys. / Mode I stress intensity factor. / Potential function. / Size effects. / Computer simulation. / Continuum mechanics. / Crack tips. / Cracks. / Fracture. / Loading.

Multi-port frequency-dependent network equivalent for electromagnetic transient studies

Author

Porkar, B.

Pub. Year

2005

Subjects

Electromagnetic transients. / EMTP. / Frequency dependence. / Network equivalent. / Computational complexity. / Computer simulation. / Electric power systems. / Mathematical models. / Natural frequencies. / Transients. / Electromagnetism.

Stochastic restricted broadcast process theory

Author

Ghassemi, F.

Pub. Year

2011

Subjects

Ad hoc protocol. / Cross layer performance evaluation. / Markovian model. / Stochastic process algebra. / Ad hoc protocols. / Bisimilarity. / Continuous time Markov chain. / Cross layer. / Data link layer. / Delay function. / Dynamic topologies. / Leader election algorithm. / Markovian. / Non-determinism. / Physical layers. / Process theory. / Semantic Model. / Stochastic behavior. / Stochastic process algebras. / Markov processes. / Mobile ad hoc networks. / Network layers. / Semantics. / Technical presentations. / Stochastic systems.

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.

Performance of microball micromixers using a programmable magnetic system by applying novel movement patterns

Author

Hajihadi Naghash, T.

Pub. Year

2024

Subjects

3D printer. / Active micromixer. / Magnetic system. / Microball. / Revolving pattern.

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.

When do colliding bubbles produce an expanding universe?

Author

Blanco Pillado, J. J.

Pub. Year

2004