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Total 8186 records
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# Type Title Author Publisher Pub. Year Subjects Call Number
1 مقاله Sloshing effects on supersonic flutter characteristics of a circular cylindrical shell partially filled with liquid Zarifian, P. John Wiley and Sons Ltd, 2018 Finite element methods.
Fluid-structure interaction.
Shells.
Stability.
Supersonic.
Aerodynamic stability.
Aerodynamics.
Air.
Computation theory.
Convergence of numerical methods.
Cylinders (shapes)
Finite element method.
Fluid structure interaction.
Flutter (aerodynamics)
Hydrostatic pressure.
Shells (structures)
Axial compression load.
Circular cylindrical shells.
Cylinder partially filled with liquids.
Initial configuration.
Liquid-filled cylinders.
Sanders' shell theories.
Liquid sloshing.
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2 مقاله Development of an aeroelastic model based on system identification using boundary elements method Dehghani Firouz Abadi, R. Emerald Group Holdings Ltd, 2021 Aerodynamics.
Aeroelasticity.
Elastic waves.
Sailing vessels.
System stability.
Aerodynamic models.
Aeroelastic models.
Aeroelastic stability.
Boundary-element methods.
Ds aeroelasticity.
Model identification.
Model-based OPC.
Order forms.
Reduced order.
Structural modeling.
Boundary element method.
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3 مقاله Effect of multiphase fluid and functionally graded density fluid on the stability of spinning partially-filled shells Sahebnasagh, M. Elsevier Ltd, 2018 Functionally graded density fluid.
Multiphase fluid.
Boundary conditions.
Convergence of numerical methods.
Cylinders (shapes)
Multiphase flow.
Navier Stokes equations.
Shells (structures)
Stability.
Structural dynamics.
Characteristic equation.
Flow induced vibrations.
Fluid-structure model.
Fluid-structure systems.
Functionally graded.
Multiphase fluids.
Numerical techniques.
Steady-state condition.
Fluid structure interaction.
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4 مقاله Hydroelastic analysis of two degree of freedom hydrofoil using a reduced-order hydrodynamic model considering unsteady partial sheet cavity flows Alavi, S. M. Academic Press, 2018 2D hydrofoil.
Finite element method.
Hydroelastic analysis.
Partial sheet cavitation.
Potential flow.
Reduced order modeling.
Angle of attack.
Cavitation.
Degrees of freedom (mechanics)
Hydrodynamics.
Hydroelasticity.
Hydrofoils.
Iterative methods.
Modal analysis.
Elastic axis locations.
Hydro-elastic analysis.
Hydrodynamic systems.
Reduced order models.
Sheet cavitation.
Two degrees of freedom.
Two-degree of freedom.
Velocity fluctuations.
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5 مقاله Flexural instability of viscoelastic spinning cylinders partially filled with liquid Dehghani Firouz Abadi, R. 2009 Fluid-structure interaction.
2-d models.
Coupled field equations.
Cylinder axis.
Cylinder walls.
Flexural motions.
Fluid forces.
Fluid motions.
Free vibration characteristics.
Free vibrations.
Governing equations.
Hamilton principles.
Instability.
Instability conditions.
Inviscid flows.
Laplace domains.
Lateral accelerations.
Linearized navier-stokes equations.
Partially filled cylinder.
Spinning frequency.
Stability analysis.
Stability boundaries.
Stability conditions.
Structural motions.
Cylinders (shapes)
Elasticity.
Fluid dynamics.
Fluid structure interaction.
Fluids.
Liquid sloshing.
Stability.
Viscoelasticity.
Viscosity.
Viscous flow.
Navier Stokes equations.
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6 پایان نامه بررسی ارتعاشات غیرخطی پوسته‌های مخروطی در حضور جریان سیال داخلی و خارجی Nonlinear Vibrations of Conical Shells with Concurrent Internal and External Flows رحمانیان، محمد Rahmanian, Mohammad صنعتی شریف 1395 تراکم پذیری Compressibility / رفتار آشوبی Chaotic Behavior / پوسته مخروطی Conical Shell / ارتعاش غیرخطی Nonlinear Vibration / بر هم کنش سازه - سیال Fluid-Structure Interaction / جریان سیال Fluid Flow
‭45-49125
7 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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8 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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9 مقاله Prediction of in-plane elastic properties of graphene in the framework of first strain gradient theory Hassanpour, S. Springer Netherlands, 2019 First strain gradient theory.
In-plane free vibration.
Molecular mechanics model.
Elasticity.
Molecular mechanics.
Stiffness.
Elastic stiffness coefficients.
Free vibration.
Molecular mechanics parameters.
Numerical investigations.
Plane elastic properties.
Research challenges.
Strain gradient theory.
Trigonal crystals.
Graphene.
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10 مقاله Prediction of in-plane elastic properties of graphene in the framework of first strain gradient theory Hassanpour, S. Springer Netherlands, 2019 First strain gradient theory.
In-plane free vibration.
Molecular mechanics model.
Elasticity.
Molecular mechanics.
Stiffness.
Elastic stiffness coefficients.
Free vibration.
Molecular mechanics parameters.
Numerical investigations.
Plane elastic properties.
Research challenges.
Strain gradient theory.
Trigonal crystals.
Graphene.
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11 پایان نامه بررسی ناپایداری آیروالاستیک پنل قرار گرفته در دیواره مخزن سوخت کاملا پر Study of Aeroelastic Instability at a Panel Located in a Fully Filled Fuel Tank Wall دانیالی، مسعود Daniali, Massoud دانشگاه صنعتی شریف 1392 مخزن Vesslse / ناپایداری Instability / الاستیسیته هوایی Aeroelasticity / فلاتر پوسته Panel Flutter / لرزش (آیرودینامیک) Flutter
‭45-44824
12 پایان نامه به‌دست آوردن خواص سفتی نانولوله‌های کربنی عمودی با استفاده از مدل‌های سازه‌ای و یا مکانیک محیط‌های پیوسته Calculating the Stiffness Matrix of VACNTs Using Structural or Continuum Modelling وحید مشتاق، علیرضا Vahidmoshtagh, Alireza صنعتی شریف 1394 نانولوله های کربنی Carbon Nanotubes / شبیه سازی Simulation / روش انرژی Energy Method / دینامیک مولکولی Molecular Dynamics / مکانیک محیط های پیوسته Continuum Mechanics / خواص نانولوله ها Nanotubes Properties
‭45-49101
13 پایان نامه بررسی آیروالاستیک غیرخطی بال کامپوزیتی در یک پرنده HALE Nonlinear Aeroelastic Analysis of Composite Wing at a Hale Flight Vehicle بشارت لو، محمد Besharatlou, Mohammad صنعتی شریف 1396 تیر مرکب Composite Beam / آیرودینامیک ناپایا Unsteady Aerodynamic / تحلیل پایداری Stability Analysis / اصل همیلتون Hamilton's Principle / نظریه فون کارمن Von Karman Theory / روش مدهای فرض شده Assumed Modes Method
‭45-51266
14 مقاله A 3D BEM model for liquid sloshing in baffled tanks Dehghani Firouz Abadi, R. 2008 Boundary element method.
Boundary integral equations.
Eigenvalues and eigenfunctions.
Land use.
Natural frequencies.
Tanks (containers)
Three dimensional.
Arbitrary geometries.
Baffled tank.
Flow boundaries.
Free surfaces.
Free-surface boundary conditions.
Governing equations.
Green's theorems.
Matrix eigenvalue.
Mode shapes.
Potential values.
Quadrilateral elements.
Sloshing frequencies.
Zoning methods.
Liquid sloshing.
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15 مقاله Reverse time migration by Krylov subspace reduced order modeling Mahdavi Basir, H. Elsevier B.V, 2018 Pre-stack depth migration.
Reduced order modeling.
Reverse time migration.
Seismic imaging.
Data handling.
Finite element method.
Seismology.
Forward-and-backward.
Memory requirements.
Orders of magnitude.
Pre-stack depth migrations.
Reduced order models.
Reverse time migrations.
Seismic data processing.
Seismic prospecting.
Algorithm.
Depth.
Imaging method.
Magnitude.
Prestack migration.
Seismic data.
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16 مقاله Optimization of nonlinear unbalanced flexible rotating shaft passing through critical speeds Amirzadegan, S. World Scientific, 2022 Critical speeds.
Continuum mechanics.
Damping.
Degrees of freedom (mechanics)
Equations of motion.
Nonlinear equations.
Rotating machinery.
Speed.
Stiffness.
Bearing optimization.
Critical speed.
Nonlinear oscillation.
Optimisations.
Passing through critical speed.
Rotating shaft.
Rotor systems.
Sommerfeld effect.
Unbalanced mass.
Work study.
Finite element method.
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17 پایان نامه مطالعه ی پایداری و خواص الکترومکانیکی نانو خازن ساخته شده از صفحات گرافنی Investigation of Stability and Electromechanical Properties of a Nano Capacitor Made of Two Graphene Sheets برهان پناه موشکی، محمدرضا Borhanpanah Mooshaki, Mohammad Reza دانشگاه صنعتی شریف 1392 دینامیک مولکولی Molecular Dynamics / خواص الکترومکانیکی Electromechanical Properties / نانوخازن Nanocapacitor / ورق گرافنی Graphene Sheet / ارتعاش آزاد Free Vibration
‭45-44876
18 مقاله Free vibrations of single-walled carbon nanotubes in the vicinity of a fully constrained graphene sheet Firouz Abadi, R. D. 2012 Carbon nanotube.
Free vibration.
Free vibration characteristic.
Governing equations of motion.
Graphene sheet.
Graphene sheets.
Iterative procedures.
Mechanical resonators.
Molecular structural mechanics.
Nonlinear vdW interaction.
Single-walled.
Static deformations.
Static equilibrium state.
Carbon nanotubes.
Equations of motion.
Molecular mechanics.
Natural frequencies.
Single-walled carbon nanotubes (SWCN)
Van der Waals forces.
Vibrations (mechanical)
Graphene.
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19 مقاله Effect of liquid viscosity on instability of high-spinning partially-filled shell rotors Firouz Abadi, R. D. 2013 Fluid-structure interaction.
Instability.
Partially filled cylinder.
Spinning shell.
Viscous liquid.
Cylindrical shell.
First-order shears.
Governing equations.
Governing parameters.
Instability condition.
No-slip boundary conditions.
Stability boundaries.
Viscous liquids.
Cylinders (shapes)
Navier Stokes equations.
Plasma stability.
Shells (structures)
Stability.
Liquids.
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20 مقاله Magnetoelastic instability of a long graphene nano-ribbon carrying electric current Firouz-Abadi, R. D. 2014 Biot-Savart.
Current carrying.
Graphene nano-ribbon.
Hamilton's principle.
Lorenz force.
Resonance frequency.
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Total 8186 records