Sharif Digital Repository

Finite element analysis of shot-peening effect on fretting fatigue parameters

Author

H-Gangaraj, S. M.

Pub. Year

2011

Subjects

Finite element. / Fretting fatigue. / Residual stress. / Shot peening. / Bulk stress. / Compressive residual stress. / Controlling parameters. / Critical surfaces. / Finite element simulations. / Fluctuating loads. / Fretting damage. / Fretting fatigue strength. / Fretting fatigues. / Normal stress. / Sliding movements. / Slip amplitude. / Fatigue of materials. / Fretting corrosion. / Residual stresses. / Shear flow. / Shot peening. / Finite element method.

Mechanically activated synthesis of single crystalline MgO nanostructures

Author

Nusheh, M.

Pub. Year

2010

Subjects

Kinetics. / Mechanical activation. / Mechanically activated mixtures. / Microfibers. / Nano-structured. / Nucleation and growth. / Rectangular cross-sections. / Scanning electrons. / SEM. / Single-crystalline. / Single-crystalline nanorods. / Source material. / TEM. / Transmission electron. / Vapor solid mechanism. / XRD. / Carbothermal reduction. / Crystalline materials. / Electrons. / Mechanical alloying. / Metallurgy. / Morphology. / Nanorods. / Nanostructured materials. / Scanning electron microscopy. / Transmission electron microscopy.

Boundary control design for vibration suppression and attitude control of flexible satellites with multi-section appendages

Author

Ataei, M. M.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Attitude control. / Boundary control. / Flexible satellite. / Vibration suppression. / Asymptotic stability. / Flexible structures. / Solar cell arrays. / Solar concentrators. / Vibration control. / Vibrations (mechanical) / Boundary control design. / Boundary controls. / Boundary feedback. / Dynamic equations. / Flexible satellites. / Partial differential. / Stability of vibrations. / Controllers.

Characterization and calcination behavior of a low-grade manganese ore

Author

Cheraghi, A.

Publisher

Elsevier Ltd,

Pub. Year

2020

Subjects

Calcination. / Characterization. / Manganese ore. / Pyrolusite. / Reactive diffusion. / Roasting. / Calcite. / Calcium oxide. / Decomposition. / Diffusion. / Ferroalloys. / Hematite. / Lime. / Magnetite. / Particle size. / Particle size analysis. / Rietveld analysis. / Thermolysis. / X ray diffraction. / Argon atmospheres. / Calcium ferrite. / Complex phasis. / Dominant mechanism. / Large regions. / Low temperatures. / Low-grade manganese. / Ores.

Minimizing the error of time difference of arrival method in mobile networks

Author

Malekitabar, A.

Pub. Year

2005

Subjects

Location method. / Mobile networks. / Non-line of sight errors (NLOS) / TDOA. / Computer simulation. / Error analysis. / Network protocols. / Mobile telecommunication systems.

A fast and novel method of pattern synthesis for non-uniform phased array antennas

Author

Tohidi, E.

Publisher

IEEE Computer Society,

Pub. Year

2015

Subjects

Antenna arrays. / Directional patterns (antenna) / Least squares approximations. / Radar. / Radar antennas. / Synthesis (chemical) / Angular positioning. / High-directivity. / Least square errors. / Low sidelobe level. / Nonuniform arrays. / Pattern nulling. / Pattern synthesis. / Phased array antennas. / Antenna phased arrays.

Molecular interaction of fibrinogen with zeolite nanoparticles

Author

Derakhshankhah, H.

Publisher

Nature Publishing Group,

Pub. Year

2019

Size-dependent interaction of an edge dislocation with an elliptical nano-inhomogeneity incorporating interface effects

Author

Shodja, H. M.

Pub. Year

2012

Subjects

Nano scale. / Burgers vector orientation. / Characteristic size. / Classical solutions. / Complex potentials. / Elastic behavior. / Elasticity effect. / Elliptical inhomogeneity. / Image force. / Inhomogeneities. / Interface curvatures. / Interface effect. / Interface stress. / matrix. / Normalized image. / Radius of curvature. / Size effects. / Stable equilibrium. / Stress field. / Elastic moduli. / Elasticity. / Nanotechnology. / Stresses. / Surface tension. / Edge dislocations.

Control of parallel three- phase inverters using optimal control and SVPWM technique

Author

Nazaripouya, H. R.

Pub. Year

2009

Subjects

Circulating current. / Control strategies. / Load change. / Load-sharing scheme. / Optimal control strategy. / Optimal controls. / Stationary frame. / Steady state. / Switching scheme. / Three phase system. / Three-phase inverter. / Cost functions. / Optimal control systems. / Pulse width modulation. / Switching functions. / Industrial electronics.

Identification of an aspidospermine derivative from borage extract as an anti-amyloid compound: A possible link between protein aggregation and antimalarial drugs

Author

Kalhor, H. R.

Publisher

Elsevier Ltd,

Pub. Year

2017

Subjects

Amyloid formation. / Aspidospermine. / Bioactive compound. / Borage officinalis. / Lysozyme. / Antimalarial agent. / Hen egg lysozyme. / Indole alkaloid. / Plant extract. / Quinoline derivative. / Antagonists and inhibitors. / Borago. / Chemistry. / Drug effects. / Isolation and purification. / Molecular docking. / Plant leaf. / Protein aggregation, pathological. / Amyloid. / Antimalarials. / Indole alkaloids. / Molecular docking simulation. / Muramidase. / Plant extracts. / Plant leaves. / Protein folding. / Quinolines.

Weakly nonlocal micromorphic elasticity for diamond structures vis-à-vis lattice dynamics

Author

Shodja, H. M.

Publisher

Elsevier B.V,

Pub. Year

2020

Subjects

Ab initio DFPT calculations. / Acoustic and optical branches. / Anisotropic weakly nonlocal micromorphic elasticity. / First Brillouin zone. / Lattice dynamics. / Calculations. / Crystals. / Density functional theory. / Diamonds. / Dispersion (waves) / Elastic moduli. / Lattice constants. / Lattice vibrations. / Perturbation techniques. / Tensors. / Acoustic branches. / Crystallographic directions. / Density functional perturbation theory. / Diamond structures. / Dispersion curves. / First Brillouin zone. / High-precision. / Micromorphic theory. / Equations of motion.

Nonlinear cylindrical bending analysis of shear deformable functionally graded plates under different loadings using analytical methods

Author

Navazi, H. M.

Pub. Year

2008

Subjects

Beams and girders. / Bending (deformation) / Boundary conditions. / Boundary value problems. / Deformation. / Linear equations. / Nonlinear analysis. / Ordinary differential equations. / Plates (structural components) / Shear deformation. / Analytical methods. / Bifurcation points. / Classical theories. / Cylindrical bending. / Exact methods. / Exact solutions. / Functionally graded plate. / Functionally graded plates. / Hamilton's principles. / Linear ordinary differential equations. / Material properties. / Navier equations. / Nonlinear boundary conditions. / Nonlinear equilibrium equations. / Nonlinear strains. / Postbuckling. / Power laws. / Shear deformation theories. / Simply supported. / Thickness ratios. / Transverse deflections. / Volume fraction indices. / Von Karman. / Nonlinear equations.

Aero-thermoelastic stability of functionally graded plates

Author

Navazi, H. M.

Pub. Year

2007

Subjects

Aerodynamics. / Differential equations. / Galerkin methods. / Partial differential equations. / Pyrolysis. / Supersonic flow. / Temperature distribution. / Thermoelasticity. / Piston theory. / Quasi-steady aerodynamic loading. / Supersonic panel flutter. / Functionally graded materials. / Aerodynamics. / Elastic property. / Mathematical analysis. / Thermodynamics.

Application of Dwell time functions in transit assignment model

Author

Aashtiani, H. Z.

Publisher

National Research Council,

Pub. Year

2002

Braess' phenomenon in the management of networks and dissociation of equilibrium concepts

Author

Aashtiani, H. Z.

Pub. Year

2004

Subjects

Braess' paradox. / Equilibrium. / Network. / Traffic flow. / Travel cost.

Nanocrystallization kinetics and magnetic properties of the melt spun amorphous (Fe0.5Co0.5)77Si11B 9Cu0.6Nb2.4 alloy

Author

Shivaee, H. A.

Pub. Year

2014

Subjects

Cobalt-Finemet alloys. / Nano-crystallization. / Crystallization mechanisms. / Experimental kinetics. / Hysteresis loss value. / Isoconversional kinetics. / Kinetics of crystallization. / Magnetic coercivities. / Alloys. / Amorphous silicon. / Cerium alloys. / Coercive force. / Differential scanning calorimetry. / Hysteresis. / Niobium. / Silicon. / Kinetics.

On the reduction of the number of required motions in the dynamic analysis using a refined spectral matching

Author

Harati, M.

Publisher

Techno-Press,

Pub. Year

2021

Subjects

Concrete dams. / Concretes. / Discrete wavelet transforms. / Earthquakes. / Efficiency. / Signal reconstruction. / % reductions. / Discrete-wavelet-transform. / Dynamics analysis. / Ground-motion. / Non-stationary spectral matching. / Nonstationary. / Numerical optimizations. / Spectral matchings. / Time history analysis. / Wavelet transform coefficients. / Optimization.

Optimal MIMO waveform design with controlled characteristics

Author

Karbasi, S. M.

Publisher

IEEE Computer Society,

Pub. Year

2015

Subjects

Communication channels (information theory) / Constrained optimization. / MIMO radar. / MIMO systems. / Optimization. / Radar. / Radar systems. / Signal processing. / Signal receivers. / Space time adaptive processing. / Space time codes. / Ambiguity function. / Constrained optimi-zation problems. / Detection performance. / MIMO (multiple-input multiple output) / Receive filter design. / Receive filters. / Successive iteration. / Waveform designs. / Signal to noise ratio.

Incorporating betweenness centrality in compressive sensing for congestion detection

Author

Ayatollahi Tabatabaii, H. S.

Pub. Year

2013

Subjects

Compressive sensing. / Network tomography. / Prior knowledge. / Betweenness centrality. / Congested links. / Congestion detection. / Objective functions. / Real data sets. / Computer simulation. / Knowledge based systems. / Signal reconstruction.

Investigation of microstructure effect on fretting fatigue crack initiation using crystal plasticity

Author

Minaii, K.

Publisher

Blackwell Publishing Ltd,

Pub. Year

2018

Subjects

Fretting fatigue. / Austenitic stainless steel. / Crack initiation. / Cracks. / Crystal microstructure. / Fatigue crack propagation. / Grain size and shape. / Plasticity. / Plasticity testing. / 316 L stainless steel. / Crystal plasticity. / Fatigue crack initiation. / Fretting fatigue cracks. / Fretting fatigues. / Grain size. / Microstructure characteristics. / Three dimensional finite elements. / Fatigue of materials.