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# Type Title Author Publisher Pub. Year Subjects Call Number
1 مقاله Vibration analysis of pipes conveying fluid resting on a fractional Kelvin-Voigt viscoelastic foundation with general boundary conditions Askarian, A. R. Elsevier Ltd, 2020 Boundary conditions.
Fractional viscoelastic foundation.
Kelvin-Voigt model.
Pipe conveying fluid.
Stability.
Algebra.
Continuum mechanics.
Equations of motion.
Flow of fluids.
Foundations.
Galerkin methods.
Stiffness.
Viscoelasticity.
Euler Bernoulli beam theory.
General boundary conditions.
Hamilton's principle.
Pipes conveying fluid.
Rotational stiffness.
Stability boundaries.
Stiffness and damping.
Viscoelastic foundation.
Vibration analysis.
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2 مقاله On the static and dynamic stability of thin beam conveying fluid Askarian, A. R. Springer Netherlands, 2019 Beam conveying fluid.
Bending–torsional instability.
Buckling.
Flutter.
Aspect ratio.
Bending moments.
Eigenvalues and eigenfunctions.
Flutter (aerodynamics)
Galerkin methods.
Gravitation.
Nozzles.
Pipeline bends.
Rigidity.
Sailing vessels.
Bernoulli beam theory.
Conveying fluids.
Dynamical stability.
Flutter boundaries.
Numerical investigations.
Out-of-plane bending.
Vertical direction.
Width-to-thickness ratio.
Equations of motion.
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3 مقاله Dynamic analysis of three-layer cylindrical shells with fractional viscoelastic core and functionally graded face layers Shakouri, M. SAGE Publications Inc, 2020 Fractional viscoelastic material.
Functionally graded material.
Three-layer cylindrical shell.
Vibration.
Cylinders (shapes)
Equations of motion.
Natural frequencies.
Plates (structural components)
Shear deformation.
Shells (structures)
Catastrophic failures.
First-order shear deformation theory.
Fractional order models.
Functionally graded.
Functionally graded layers.
Power-law functions.
Stress discontinuities.
Three layer cylindrical shells.
Viscoelasticity.
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4 مقاله Dynamic analysis of three-layer cylindrical shells with fractional viscoelastic core and functionally graded face layers Shakouri, M. SAGE Publications Inc, 2021 Cylinders (shapes)
Equations of motion.
Natural frequencies.
Plates (structural components)
Shear deformation.
Shells (structures)
Catastrophic failures.
First-order shear deformation theory.
Fractional order models.
Functionally graded.
Functionally graded layers.
Power-law functions.
Stress discontinuities.
Three layer cylindrical shells.
Viscoelasticity.
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5 مقاله Effect of axial force, unbalance and coupling misalignment on vibration of a rotor gas turbine Askarian, A. 2007 Coupling misalignment.
Equation of motion.
Euler-Bernoulli beam models.
Multi-rotor system.
Rotational velocity.
Shaft misalignment.
Spline couplings.
Vibration amplitude.
Axial flow.
Bearings (machine parts)
Equations of motion.
Natural frequencies.
Rotating machinery.
Alignment.
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6 مقاله Nonlinear dynamics of extensible viscoelastic cantilevered pipes conveying pulsatile flow with an end nozzle Askarian, A. R. Elsevier Ltd, 2017 Bifurcation.
Extensible pipe.
Nonlinear vibration.
Pulsating flow.
Aspect ratio.
Bifurcation (mathematics)
Dynamics.
Equations of motion.
Galerkin methods.
Geometry.
Gravitation.
Nonlinear equations.
Nozzles.
Power spectral density.
Spectral density.
Adams algorithms.
Adaptive time step.
Case-studies.
Hamilton's principle.
Non-linear vibrations.
Phase plane.
Flow of fluids.
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7 مقاله Bending-torsional stability analysis of aerodynamically covered pipes with inclined terminal nozzle and concurrent internal and external flows Askarian, A. R. Academic Press, 2020 Bending-torsional instability.
Cantilevered pipe.
Follower force.
Inclined nozzle.
Unsteady aerodynamic.
Wagner model.
Aerodynamics.
Eigenvalues and eigenfunctions.
Galerkin methods.
Nozzles.
Stability.
Compressibility effects.
Follower forces.
Hamilton's principle.
Inclined nozzles.
Internal fluid flows.
Unsteady aerodynamics.
Vortex induced vibration.
Wagner models.
Equations of motion.
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8 مقاله A hybrid digital control system for totem-pole isolated AC/DC converters used in electric vehicles Askarian, I. Institute of Electrical and Electronics Engineers Inc, 2023 AC-DC power converters.
Digital control.
Digital control system.
Discontinuous conduction mode.
Frequency control.
Isolated totem-pole converter.
Steady-state.
Switches.
Transportation.
Voltage control.
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9 مقاله A hybrid digital control system for totem-pole isolated ac/dc converters used in electric vehicles Askarian, I. 2024 Digital control system.
Discontinuous conduction mode (DCM)
Electric machine control.
Electric rectifiers.
Electric switches.
Frequency modulation.
Poles.
Rectifying circuits.
Control methods.
DC converter.
Digital control.
Discontinuous conduction mode.
Experimental prototype.
Frequency control.
Hybrid controls.
Isolated totem-pole converter.
Line cycles.
Steady state.
Digital control systems.
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10 مقاله Bending-torsional instability of a viscoelastic cantilevered pipe conveying pulsating fluid with an inclined terminal nozzle Askarian, A. R. Korean Society of Mechanical Engineers, 2018 Bending-torsional instability.
Follower force.
Inclined nozzle.
Principal and combination parametric resonance.
Continuum mechanics.
Equations of motion.
Flow velocity.
Galerkin methods.
Nozzles.
Pulsatile flow.
Runge Kutta methods.
Stability.
Viscoelasticity.
Euler Bernoulli beam theory.
Follower forces.
Inclined nozzles.
Instability boundaries.
Parametric resonance.
Pipe conveying pulsating fluid.
Runge-Kutta algorithms.
Visco-elastic material.
Vibrations (mechanical)
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11 پایان نامه کنترل هوشمند مبدل های الکترونیک قدرت DC-DC مبتنی بر یادگیری تقویتی عمیق Intelligent Control of DC-DC Power Electronic Converters Based on Deep Reinforcement Learning توانا، احمد Tavana, Ahmad صنعتی شریف 1405 کنترل افقی Droop Control / کنترل هوشمند Intelligent Control / یادگیری تقویتی عمیق Deep Reinforcement Learning / یادگیری تقویتی چندعامله Multi-Agent Reinforcement Leaning / الگوریتم شبکه عمیق کیو Deep Q-Network (DQN)Algorithm / مبدل های جریان مستقیم به جریان مستقیم Direct Current to Direct Current (DC to DC)Converters
‭05-58906
12 مقاله Dynamic instability of cantilevered composite pipe conveying flow with an end nozzle Askarian, A. 2014 Aspect ratio.
Equations of motion.
Galerkin methods.
Nozzles.
Stability.
Composite pipe.
Coupled bending.
Dynamic instability.
Eigen-value problems.
Elastic coupling.
Follower forces.
Lateral force.
Stability margins.
Pipe.
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13 پایان نامه توازن بار به کمک تحویل کانال در شبکه های WiMAX سیار Load Balancing with Handover in Mobile WiMAX Networks عسکریان امیری، کاملیا Askarian Amiri, Camellia صنعتی شریف 1390 موازنه بار Load Balancing / کیفیت خدمات Service Quality / استاندارد انجمن مهندسان برق و الکترونیک ای 16/802 Institute Electrical and Electronic Engineers (IEEE)802.16e Standard / تحویل کانال Handover / وایمکس سیار Mobile Wimax
‭52-42838
14 پایان نامه بررسی پایداری و ارتعاشات غیرخطی خمشی- پیچشی تیرهای حامل جریان سیال ضربان دار در مجاورت جریان هوای آزاد Bending-torsional Stability and Vibrations of Beams Conveying Pulsating Flow in the Presence of Free Stream عسکریان، عبدالرضا Askarian, Abdolreza صنعتی شریف 1396 تزویج خمشی - پیچشی Bending-Torsion Coupling / تابع های وبژه فلوکه Floquet Eigenfunctions / ارتعاش غیرخطی Nonlinear Vibration / روش وگنر Wagner Method / آیرودینامیک ناپایا Unsteady Aerodynamic / لوله توسعه پذیر Extensible Pipe / جریان ضربان دار Pulsatile Flow
‭45-49774
15 پایان نامه ارائه و ارزیابی ساختارهای بهبود یافته شارژرهای یکپارچه خودروهای الکتریکی بر پایه انواع موتور پیشرانه در کاربردهای V2G و G2V Development and Evaluation of Improved Structures for EVs Integrated Battery Chargers Based on Various Types of Propulsion Motors in V2G and G2V Applications عماد، صادقی نژاد Sadeghi Nejad, Emad صنعتی شریف 1402 خودروهای الکتریکی Electric Motor Vehicles / قابلیت تامین بار شبکه Vehicle to Grid (V2G) / پیشرانش الکتریکی Electric Propulsion / شارژر خودروی برقی Electric Vehicle Charger / شارژر باتری روخودرو On-Board Battery Charger / شارژر یکپارچه باتری Integrated Battery Charger
‭05-56969
16 مقاله SUT-DAM: An integrated software environment for multi-disciplinary geotechnical engineering Khoei, A. R. Elsevier Ltd, 2006 Boundary conditions.
Computational methods.
Computer simulation.
Computer software.
Integration.
Large scale systems.
Plasticity.
Problem solving.
Adaptive strategy.
Cap plasticity.
FE software.
P-Z models.
Post-processing.
Pre-processing.
Unsaturated soils.
Geotechnical engineering.
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17 مقاله Contact friction simulation in powder compaction process based on the penalty approach Keshavarz, Sh. Elsevier Ltd, 2008 Compaction.
Computer simulation.
Contact angle.
Finite element method.
Cap plasticity model.
Contact friction.
Coulomb friction law.
Large deformation.
Powder compaction.
Powder metals.
Deformation.
Friction.
Plasticity.
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18 مقاله An atomistic–continuum multiscale analysis for heterogeneous nanomaterials and its application in nanoporous gold foams Nikravesh, Y. Elsevier Inc, 2022 Homogenization method.
Nanoscale void defect.
RVE-based multiscale.
Defects.
Gold.
Nanostructured materials.
Atomistics.
Element-based.
Hill-mandel principle.
Nano scale.
Nanoporous gold.
Nanoporous gold foam.
Representative volume element-based multiscale.
Representative volume elements.
Void defects.
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19 مقاله Improved passivity criterion in haptic rendering: influence of coulomb and viscous friction [electronic resource] / A. Mashayekhi, R. Bozorgmehry, A. Nahvi, A. Meghdari, P. Asgari. Mashayekhi, A. (Ahmad). Haptic device.
Passivity.
Quantization.
Coulomb friction.
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20 مقاله Growth and field emission study of molybdenum oxide nanostars Khademi, A. 2009 Chemical state.
Crystalline thin films.
Emission performance.
Emission properties.
Enhancement factor.
Field emission property.
In-vacuum.
Molybdenum oxides.
Nanostar.
New structures.
Silicon substrates.
Special structure.
TEM observations.
Thermal vapor depositions.
Vacuum gap.
XPS analysis.
XRD analysis.
Crystalline materials.
Field emission.
High resolution transmission electron microscopy.
Microelectronics.
Molybdenum.
Molybdenum compounds.
Nanostructures.
Scanning electron microscopy.
Vacuum.
Vacuum applications.
X ray diffraction.
X ray diffraction analysis.
X ray photoelectron spectroscopy.
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Total 19757 records