Sharif Digital Repository

The frequency and damping of soil-structure systems with embedded foundation

Author

Ghannad, M. A.

Pub. Year

2008

Seismic Performance of Deformable Rocking Soil-Structure Systems Subjected to Pulse-Type Excitations

Author

Sadjadi, M.

Publisher

Taylor and Francis Ltd,

Pub. Year

2023

Subjects

Deformable structure. / Nonlinear analysis. / Numerical simulation. / Pulse motion. / Rocking foundation.

Numerical study of stiff diaphragm walls used to improve the performance of rocking foundation systems

Author

Sadjadi, M.

Publisher

Taylor and Francis Ltd,

Pub. Year

2021

Subjects

Computer simulation. / Numerical models. / Soils. / Centrifuge tests. / Improvement technique. / Parametric investigations. / Parametric study. / Rocking foundations. / Rocking shallow foundations. / Soil-foundation-structure interactions. / subsoil improvement. / Foundations.

Alternative solution for kinematic interaction problem of soil-structure systems with embedded foundation

Author

Jahankhah, H.

Pub. Year

2013

Subjects

Seismic analysis. / Seismic code. / Net horizontal foundation input motion. / Soil-structure interaction. / Transfer function. / Embedded foundation. / Foundation input motion. / Ground motions. / Input motions. / Multicomponents. / Non-dimensional parameters. / Practicing engineers. / Rotational component. / kinematic interaction. / Slender structures. / Soil structure system. / Soil-structure models. / Structural response. / Embedded systems. / Potassium iodide. / Roofs. / Seismology. / Soil structure interactions. / Soils. / Transfer functions. / Geologic models.

Nonlinear interstory drift contours for idealized forward directivity pulses using "modified fish-bone" models

Author

Khalo, A. R.

Publisher

Multi-Science Publishing Co. Ltd,

Pub. Year

2015

Subjects

Forward directivity pulses. / Modified fish-bone model. / Nonlinear interstory drift. / Simplified MDOF model. / Bone. / Concrete beams and girders. / Tall buildings. / Contour. / Fish bones. / Forward directivity. / Interstory drifts. / Moment frames. / Near-fault earthquake. / Fish.

Analysis of singularities of a 3DOF parallel manipulator based on a novel geometrical method

Author

Pendar, H.

Pub. Year

2006

Subjects

Constrained plain method (CPM) / Constraint plane (CP) / Infinite constraint plane (ICP) / Parallel manipulator. / Computational geometry. / Constraint theory. / Matrix algebra. / Parallel processing systems. / Theorem proving. / Manipulators.

Melting enthalpy and entropy of freestanding metallic nanoparticles based on cohesive energy and average coordination number

Author

Omid, H.

Pub. Year

2011

Subjects

Adjustable parameters. / Analytical model. / Average coordination number. / Body-centered cubic. / Body-centered-tetragonal (bct) structure. / Cohesive energies. / Melting enthalpy. / Metallic nanoparticles. / Physical constants. / Variable coordination. / Crystal structure. / Entropy. / Mathematical models. / Molecular dynamics. / Nanoparticles. / Melting.

On the temperature and residual stress field during grinding

Author

H-Gangaraj, S. M.

Pub. Year

2010

Subjects

Grinding. / Residual stress. / Temperature field. / Dimensional accuracy. / Finite Element. / Grinding parameters. / Heat coefficients. / Mechanical damages. / Parametric study. / Residual stress fields. / Surface finishes. / Surface residual stress. / Tensile residual stress. / Thermo-mechanical. / Work pieces. / Workpiece velocity. / Finite element method. / Grinding (comminution) / Grinding (machining) / Heat convection. / Manufacture. / Stress concentration. / Residual stresses.

A new lattic LP-based post filter for adaptive noise cancellers in mobile and vehicular applications

Author

Khorram, S.

Pub. Year

2008

Subjects

Adaptive lattice filter. / Adaptive noise cancellation (ANC) / Adaptive noise cancellations. / Adaptive noise canceller. / Background noise reduction. / Diffuse noise. / Diffuse noise field. / Lattice filter. / Linear prediction. / Noise fields. / Noise reduction. / Noise reductions. / Postfilter. / Processing delay. / Quality measures. / Single channels. / Speech enhancement system. / Vehicular applications. / Vehicular environments. / Acoustic noise measurement. / Automobile parts and equipment. / Communication systems. / Microphones. / Signal processing. / Speech enhancement. / Spurious signal noise. / Speech communication.

Advancing Compressive Strength Prediction in Self-Compacting Concrete via Soft Computing: A Robust Modeling Approach

Author

Ghorbani, A.

Pub. Year

2024

Subjects

Artificial neural network. / Compressive strength prediction. / Robust approach. / Self-compacting concrete. / Sensitivity analysis.

Cost estimation models for seismic retrofit of masonry school buildings

Author

Mirzaei, J.

Pub. Year

2024

Subjects

Cost estimation. / Lasso regression. / Project management. / Regression. / Ridge regression. / Seismic retrofit.

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.

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.