Sharif Digital Repository

Application of the variational iteration method for nonlinear free vibration of conservative oscillators

Author

Baghani, M.

Pub. Year

2012

Subjects

Design and optimization. / Exact solution. / Free vibration. / Geometrical parameters. / Governing equations. / Homotopy analysis methods. / Non-linear free vibration. / Nonlinear conservative oscillators. / Numerical results. / Optimal values. / Variational iteration method. / Lagrange multipliers. / Nonlinear equations. / Runge Kutta methods. / Iterative methods. / Experimental design. / Lagrangian analysis. / Linearity. / Nonlinearity. / Numerical model. / Optimization. / Oscillation. / Vibration.

Optimum operating conditions for direct oxidation of h 2s in a fluidized bed reactor

Author

Golestani, F.

Pub. Year

2011

Subjects

Direct oxidization. / Fluidized bed. / H 2s. / Mathematical modeling. / Optimum conditions. / Bed density. / Dew points. / Direct oxidation. / Economical aspects. / Elemental sulfur. / External circulation. / Fixed bed reactor. / Fluidized bed reactors. / H ₂s. / Mathematical modeling. / Matlab- software. / Operating condition. / Optimum conditions. / Optimum operating conditions. / Oxidization. / Reactor models. / Stable catalysts. / Temperature range. / H₂S. / Catalysts. / Chemical reactors. / Fluid catalytic cracking. / Fluidized bed furnaces. / Fluidized beds. / Hydrogen sulfide. / Mathematical models. / Sulfur. / Fluidization. / Fluidization. / Chemical reactors.

A physicochemical evaluation of modified HZSM-5 catalyst utilized for production of dimethyl ether from methanol

Author

Pedram, M. Z.

Pub. Year

2014

Subjects

Dehydration. / DME. / HZSM-5. / Modified zeolite. / Wet impregnation.

Simulation and process mining in a cross-docking system: a case study

Author

Shams Shemirani, S.

Pub. Year

2024

Subjects

Industries. / Innovation and infrastructure. / Simulation. / Computer software. / Enterprise resource management. / Heuristic algorithms. / Automated process. / Automated process discovery. / Crossdocking. / Process Discovery. / Process mining. / Data mining.

Super-resolution photoacoustic microscopy using structured-illumination

Author

Amjadian, M. R.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2021

Subjects

Computation theory. / Diffraction. / Frequency response. / Image enhancement. / Image resolution. / Imaging systems. / Optical resolving power. / Signal to noise ratio. / Synthetic apertures. / Acoustic diffraction. / Computational loads. / Diffraction limits. / Low frequency images. / Reconstruction algorithms. / Spatial frequency domains. / Structured illumination. / Synthetic aperture focusing techniques. / Photoacoustic microscopy. / Algorithm. / Illumination. / Photoacoustics. / Signal noise ratio. / Algorithms. / Lighting. / Microscopy. / Photoacoustic techniques. / Signal-to-noise ratio.

An augmented Lagrangian approach with general constraints to solve nonlinear models of the large-scale reliable inventory systems

Author

Gharaei, A.

Publisher

Springer,

Pub. Year

2023

Subjects

Economic order quantity (EOQ) / Inventory management. / Lagrangian method. / Nonlinear programming (NLP) / Reliability. / Supply chain (SC)

An integrated lot-sizing policy for the inventory management of constrained multi-level supply chains: null-space method

Author

Gharaei, A.

Publisher

Taylor and Francis Ltd,

Pub. Year

2022

Subjects

Inventory management. / Lot-sizing. / Nonlinear programming. / Null-space method. / Optimisation. / Supply chain.

Analysis of porosity distribution of large-scale porous media and their reconstruction by Langevin equation

Author

Jafari, G. R.

Pub. Year

2011

Subjects

Conditional probability density. / Diffusion Coefficients. / Fokker Planck. / Hurst exponents. / Kramers-Moyal expansion. / Langevin equation. / Length scale. / Level crossing. / Nonstationary. / Oil reservoirs. / Permeability distribution. / Porosity distributions. / Porosity logs. / Porous Media. / Probabilistic prediction. / Self-affine. / Stochastic series. / Well logs. / Differential equations. / Fokker Planck equation. / Markov processes. / Petroleum reservoir engineering. / Porosity. / Porous materials. / Probability. / Well logging. / Probability density function.

Attacks on a lightweight mutual authentication protocol under EPC C-1 G-2 standard

Author

Habibi, M. H.

Pub. Year

2011

Subjects

RFID. / Security analysis. / Traceability attack. / EPC C-1 G-2 standard. / Mutual authentication. / Traceability attack. / Forward secrecy. / Mutual authentication protocols. / Security features. / Authentication. / Mobile devices. / Security systems. / Standards. / Aluminum. / Mobile security. / Radio frequency identification (RFID) / Secure communication. / Wireless telecommunication systems. / Security of data.

Time-Sharing improves dynamic index coding delay

Author

Hadi, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2019

Subjects

Constrained optimization. / Information theory. / Bi-directional. / Closed form solutions. / Constrained optimi-zation problems. / Dynamic indices. / Index coding. / Side information. / Transmission delays. / Transmission schemes. / Transmissions.

Strategies for Optimal Transmission and Delay Reduction in Dynamic Index Coding Problem

Author

Hadi, M.

Publisher

Institute of Electrical and Electronics Engineers Inc,

Pub. Year

2023

Subjects

Code-constrained capacity region. / Dynamic index coding. / Network coding. / Time-sharing.

Efficiency improvement of a high step up high efficiency converter for photovoltaic applications based on three-state switching cell

Author

Babaee Zarch, M. J.

Pub. Year

2013

Subjects

Conduction loss. / Photovoltaic. / Efficiency improvement. / Improving efficiency. / Loss analysis. / On-state resistance. / High step up DC/DC converter. / Photovoltaic applications. / Switching cells. / DC-DC converters. / MOSFET devices. / Power electronics. / Efficiency.

Locally multipath adaptive routing protocol resilient to selfishness and wormholes

Author

Farhat, F.

Pub. Year

2010

Subjects

Ad-hoc wireless networks security. / Efficient local-multipath adaptive routing protocol. / Ad hoc wireless networks. / Adaptive routing. / Adaptive routing protocols. / Distance vector routing protocols. / Malicious nodes. / Multi-path. / Multipath routing protocols. / Network graph. / On-demand distance vector routing. / Polynomial-time. / Primary path. / Random search algorithm. / Resilience to selfishness and wormholes. / Route discovery. / Searching algorithms. / Security features. / Selfish node. / Single path. / Ad hoc networks. / Algorithms. / Polynomial approximation. / Routers. / Routing protocols. / Security systems. / Network security.

Cooperation within von Willebrand factors enhances adsorption mechanism

Author

Heidari, M.

Publisher

Royal Society of London,

Pub. Year

2015

Subjects

Coarse-grained modelling. / Collagen. / Glycoproteins. / Shear deformation. / Van der Waals forces. / Adsorption mechanism. / Adsorption probabilities. / Coarse grained models. / Coarse-grained. / Cooperativity. / Hydrodynamic interaction. / Van Der waals interactions. / Von willebrand factor. / Adsorption. / Collagen receptor. / Adsorption kinetics. / Adsorption probability. / Coarse grained model. / Collagen fiber. / Hydrodynamics. / Model. / Protein cooperativity. / Protein function. / Shear flow. / Simulation. / Statistical parameters.

Liquid-liquid coaxial swirl injector performance prediction using general regression neural network

Author

Ghorbanian, K.

Pub. Year

2009

Subjects

Coaxial injector. / Liquid-liquid injector. / Neural network. / Swirl atomizer. / Fuel injection. / Jet pumps. / Liquids. / Regression analysis. / Droplet velocities. / Experimental datum. / Fuel/oxidizer ratios. / General regression neural networks. / Operating ranges. / Performance maps. / Performance predictions. / Phase doppler anemometry measurements. / Radial positions. / Sauter mean diameters. / Swirl injectors. / Neural networks.

A secure ECC-based privacy preserving data aggregation scheme for smart grids

Author

Vahedi, E.

Pub. Year

2017

Subjects

Authentication. / Confidentiality. / Data aggregation. / Privacy preserving. / Smart grid. / Authentication. / Cryptography. / Electric power transmission networks. / Home networks. / Smart meters. / Smart power grids. / Communication overheads. / Confidentiality. / Data aggregation. / Efficient computation. / Privacy preserving. / Security analysis. / Security requirements. / Smart grid. / Data privacy.

An efficient cooperative message authentication scheme in vehicular ad-hoc networks

Author

Sarencheh, A.

Pub. Year

2018

Subjects

Cooperative message authentication. / Free riding attack. / Authentication. / Chromium compounds. / Computational efficiency. / Cryptography. / Vehicles. / Free riding. / Identity based signature. / Message authentication. / Performance evaluations. / Privacy preserving. / Public key certificates. / Security arrangements. / Vehicular Adhoc Networks (VANETs) / Vehicular ad hoc networks.

Neural network prediction of a liquid-liquid coaxial swirl injector performance map

Author

Ghorbanian, K.

Publisher

American Institute of Aeronautics and Astronautics Inc,

Pub. Year

2005

Subjects

Anemometers. / Neural networks. / Performance. / Reynolds number. / Coaxial swirl injector. / Performance map. / Velocity fields. / Swirling flow.