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# Type Title Author Publisher Pub. Year Subjects Call Number
1 مقاله On pull-in instabilities of microcantilevers Rahaeifard, M. Elsevier Ltd, 2015 Microcantilever.
Chemical sensors.
Composite micromechanics.
Electrostatic actuators.
Equations of motion.
Electrostatically actuated microcantilevers.
Hamilton's principle.
Modified couple stress theories.
Normalized behaviors.
Algorithms.
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2 مقاله A strain gradient based yield criterion Rahaeifard, M. 2014 Yield criterion.
Characteristic size.
Deviatoric strain.
Micro-scale structures.
Size-Dependency.
Strain gradient theory.
Structure materials.
Von mises criterion.
Yield criteria.
Thickness measurement.
Strain energy.
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3 مقاله Size-dependent dynamic behavior of microcantilevers under suddenly applied DC voltage Rahaeifard, M. 2014 Microcantilever.
Modified couple stress theory.
Size-dependent behavior.
Composite micromechanics.
Equations of motion.
Numerical methods.
Analytical and numerical methods.
Dynamic pull-in.
Euler Bernoulli beam theory.
Hybrid finite elements.
Micro-cantilevers.
Modified couple stress theories.
Multiple scales methods.
Size dependent.
Chemical sensors.
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4 مقاله Vibration analysis of electrostatically actuated nonlinear microbridges based on the modified couple stress theory Rahaeifard, M. Elsevier Inc, 2015 Microbridge.
Modified couple stress theory.
Natural frequency.
Electrostatic actuators.
Vibration analysis.
Electrostatic actuation.
Hamilton's principle.
Length scale parameter.
Modified couple stress theories.
Nonlinear formulation.
Size dependency.
Static deflections.
Algorithms.
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5 مقاله Sensitivity analysis of atomic force microscope cantilever made of functionally graded materials Rahaeifard, M. 2010 AFM.
AFM tip.
Atomic force microscope cantilevers.
Beam material.
Ceramic volume fraction.
Contact stiffness.
Euler Bernoulli beam theory.
High quality.
High-contrast images.
Linear spring.
Micro-cantilevers.
Microcantilever beams.
Power law.
Resonant frequencies.
Surface contact.
Atomic force microscopy.
Ceramic materials.
Nanocantilevers.
Natural frequencies.
Sensitivity analysis.
Stiffness.
Titration.
Volume fraction.
Functionally graded materials.
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6 مقاله Effect of size dependency on in-plane vibration of circular micro-rings Karimzadeh, A. Sharif University of Technology, 2017 Micro-ring.
Modified couple stress theory.
Resonant frequency.
Dynamic loads.
Natural frequencies.
Particle beams.
Classical beam theory.
Hamilton's principle.
Material length scale.
Microrings.
Modified couple stress.
Modified couple stress theories.
Static and dynamic loads.
Timoshenko beam theory.
Equations of motion.
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7 مقاله Sensitivity analysis of atomic force microscope cantilever made of functionally graded materials Rahaeifard, M. ASME, 2009 AFM.
AFM tip.
Atomic force microscope cantilevers.
Beam material.
Ceramic volume fraction.
Contact stiffness.
Euler Bernoulli beam theory.
High quality.
High-contrast images.
Linear spring.
Micro-cantilevers.
Microcantilever beams.
Power law.
Surface contact.
Atomic force microscopy.
Ceramic materials.
Design.
Nanocantilevers.
Natural frequencies.
Sensitivity analysis.
Stiffness.
Volume fraction.
Functionally graded materials.
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8 مقاله Size-dependent pull-in phenomena in nonlinear microbridges Rahaeifard, M. 2012 Microbridge.
Modified couple stress theory.
Size dependent behavior.
Static pull-in.
Beam material.
Classical theory.
Continuum theory.
Couple stress theory.
Euler Bernoulli beam theory.
Length scale.
Micro beams.
Micro-bridge.
Microbridges.
Pull-in.
Pull-in voltage.
Size dependent.
Size effects.
Static pull-in.
Submicron scale.
Civil engineering.
Mechanical engineering.
Continuum mechanics.
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9 مقاله Investigation of the size effects in Timoshenko beams based on the couple stress theory Asghari, M. 2011 Analytical results.
Axial deformations.
Beam thickness.
Bending deflection.
Characteristic size.
Classical beam theory.
Classical continuum theory.
Closed form.
Closed-form analytical solutions.
Concentrated force.
Continuum theory.
Couple stress theory.
Cross section.
Euler-Bernoulli.
Free end.
Governing differential equations.
Material length scale.
Material length scale parameter.
Mechanical behavior.
Rotation angles.
Size effects.
Size-dependent behavior.
Static loading.
Timoshenko beam.
Timoshenko beam theory.
Bending (deformation)
Bending (forming)
Boundary conditions.
Continuum mechanics.
Equations of motion.
Mechanical engineering.
Particle beams.
Stresses.
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10 مقاله Strain gradient formulation of functionally graded nonlinear beams Rahaeifard, M. 2013 Modified couple stress theories.
Euler-Bernoulli beam.
Length scale parameter.
Mid-plane stretching.
Strain gradient theory.
Euler Bernoulli beams.
Functionally graded material (FGMs)
Hamilton's principle.
Functionally graded material.
Simplifying assumptions.
Static and dynamic behaviors.
Beams and girders.
Boundary conditions.
Control nonlinearities.
Functionally graded materials.
Nonlinear equations.
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11 مقاله Static pull-in analysis of microcantilevers based on the modified couple stress theory Rahaeifard, M. 2011 1-Static pull-in.
2-Modified couple stress theory.
3-Size effects.
Classical theory.
Continuum theory.
Couple stress theory.
Experimental observation.
Micro-cantilevers.
Pull-in.
Pull-in voltage.
Size effects.
Submicron scale.
Continuum mechanics.
Composite micromechanics.
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12 مقاله A nonlinear strain gradient beam formulation Kahrobaiyan, M. H. 2011 Mid-plane stretching.
Non-classic continuum theory.
Classical model.
Classical theory.
Continuum theory.
Couple stress.
Couple stress theory.
Euler Bernoulli beams.
Free vibration.
Linear strains.
Method of multiple scale.
Micro beams.
New model.
Non-Linearity.
Nonlinear behavior.
Nonlinear partial differential equations.
Nonlinear strain.
Size effects.
Static bending.
Strain gradient theory.
Variational methods.
Boundary conditions.
Continuum mechanics.
Equations of motion.
Partial differential equations.
Vibration analysis.
Nonlinear equations.
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13 مقاله Investigation of the size-dependent dynamic characteristics of atomic force microscope microcantilevers based on the modified couple stress theory Kahrobaiyan, M. H. 2010 Atomic force microscope.
Microcantilever.
Modified couple stress theory.
Resonance frequency.
Sensitivity.
Atomic force microscopes.
Couple stress theory.
Micro-cantilevers.
Atomic force microscopy.
Boundary conditions.
Chemical sensors.
Composite micromechanics.
Continuum mechanics.
Elasticity.
Equations of motion.
Microscopes.
Natural frequencies.
Atoms.
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14 مقاله On the size-dependent behavior of functionally graded micro-beams Asghari, M. 2010 A. Functionally graded materials.
E. Mechanical properties.
Beam characteristics.
Classical beam theory.
Closed form solutions.
Compositional variation.
Couple stress theory.
E. Mechanical.
Elastic ranges.
F. Elastic behavior.
Functionally graded.
Functionally graded beams.
Governing equations of motion.
Hamilton principle.
Material length scale.
Micro beams.
Static deflections.
Vibration behavior.
Boundary layer flow.
Crack initiation.
Distribution functions.
Equations of motion.
Mechanical properties.
Natural frequencies.
Structure (composition)
Vibration analysis.
Functionally graded materials.
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15 مقاله Vibration analysis of a rotating FGM cantilever ARM Rahaeifard, M. 2010 Atomic force microscopy.
Beams and girders.
Building materials.
Ceramic materials.
Deformation.
Dissimilar materials.
Equations of motion.
Functionally graded materials.
Mechanical engineering.
Nanocantilevers.
Natural frequencies.
Rotation.
Smelting.
Vibration analysis.
Assumed-mode method.
Beam material.
Ceramic surface.
Compositional variation.
Cross-section area.
Euler Bernoulli beam theory.
Free vibration.
Hamilton's principle.
Material property.
Metallic surface.
Mode shapes.
Polynomial functions.
Power law exponent.
Rotary inertias.
Rotating beam.
Structural materials.
Transverse shear stress.
Surfaces.
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16 مقاله Optimization of first mode sensitivity of V-shaped AFM cantilever using genetic algorithm method Moeini, S. A. 2010 Genetic algorithms.
Geometry.
Mechanical engineering.
Nanocantilevers.
Optimization.
Parameter estimation.
Probes.
Stiffness.
Surface topography.
Surfaces.
Topography.
AFM.
AFM cantilevers.
AFM probe.
AFM tip.
Atomic force microscopes.
Contact stiffness.
Design parameters.
Feature detection.
Flexural sensitivity.
Genetic algorithm optimization method.
Geometric parameter.
Geometrical parameters.
High-contrast images.
Lateral interactions.
Linear spring.
Maximum sensitivity.
Micro beams.
Micro-cantilevers.
Optimum parameters.
Sample surface.
Topography images.
V-shape.
Atomic force microscopy.
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17 پایان نامه تحلیل دینامیکی و ارتعاشی میکروسوییچ ها و میکرورزوناتورهای ساخته شده از مواد مدرج تابعی بر اساس نظریه ی گرادیان کرنش Dynamic and Vibration Analysis of Functionally Graded Microswitches and Microresonators Based on the Strain Gradient Theory
 		رهایی فرد، مسعود Rahaeifard, Masoud صنعتی شریف 1392 نظریه گرادیان کرنش Strain Gradient Theory / سیستم میکروالکترومکانیکی Microelectromechanical Systems (MEMS) / مواد گرادیان ترکیبی Functionally Graded Materials (FGM) / تحلیل ارتعاشی Vibrational Analysis / تحلیل دینامیکی Dynamic Analysis / معیار تسلیم Yield Criterion
‭08-45446
18 پایان نامه ارتقای تطابق پذیری عملیات مدیریت بحران توسط جمع سپاری از نگاه تئوری پیچیدگی Adaptation through Crowdsourcing in Disaster Management: A Complexity Theory Perspective داریوندی شوشتری، کوثر Darivandi Shoushtari, Kosar صنعتی شریف 1404 مدیریت بحران Disaster Management / جمع سپاری Crowdsourcing / شبیه سازی Simulation / خودساماندهی Self Assembly / پیچیدگی Complexity / تناسب سازمانی Organizational Fit / داوطلبان Volunteers / قانون تنوع لازم اشبی Ashby’s Law of Requisite Variety
‭44-58443
19 مقاله Spindle speed variation for regenerative chatter suppression in turning process with tool wear effect Haji Hajikolaei, K. 2010 Chatter suppression.
Contact forces.
Delay differential equations.
Different frequency.
Flank surfaces.
High precision.
Input energy.
Machining process.
Material removal rate.
Orthogonal turning.
Regenerative chatters.
Single degree of freedoms.
Speed modulation.
Spindle speed.
Stability analysis.
Surface qualities.
Tool-wear effect.
Turning process.
Work pieces.
Equations of motion.
Precision engineering.
Speed control.
Stripping (removal)
Systems analysis.
Turning.
Wear of materials.
Speed.
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20 پایان نامه تحلیل دینامیکی و ارتعاشی تیرهای FGM ساکن و چرخان تحت اثر جرم متحرک Dynamic and Vibration Analysis of Non-Rotating and Rotating FGM Cantilever Beams Under Moving Mass رهایی فرد، مسعود Rahaeifard, Masoud صنعتی شریف 1388 الگوریتم ژنتیک Genetic Algorithm / جرم متحرک Traveling Mass / میکروسکوپ نیرواتمی Atomic Force Microscopy (AFM) / مواد گرادیان ترکیبی Functionally Graded Materials (FGM) / تیرهای دوار Rotating Beams
‭08-39834
Total 397 records