• Creep Behavior of Cylinders Subjected to an Internal Pressure and a Two Dimensional Temperature Field Using First Order Shear Deformation Theory 

  Seddighi, H؛ Ghannad, M؛ Loghman, A (Islamic Azad University - Arak Branch, 2023-09-01)

  In this paper, the creep analysis in a thick-walled cylinder subjected to internal pressure and heat flux at the inner and outer surfaces has been investigated. The displacement field is obtained based on the first-order ...

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• Thermal and Mechanical Properties of Hybrid Composite Strengthened by Carbon Fibers/Aramid Fibers 

  Basati, F؛ Yas, M.H (Islamic Azad University - Arak Branch, 2023-09-01)

  This work deals with the thermal, mechanical and dynamic properties of hybrid composites reinforced with carbon fibers and aramid fibers, whose matrix is ​​epoxy resin. In this study a series of hybrid fiber composite are ...

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• Vibrations of Multi-Layer Beam with Nanocomposite Face Sheets Reinforced with Graphene Platelets and Porous Core 

  Mihankhah, A؛ Khoddami Maraghi, Z؛ Ghorbanpour Arani, A؛ Niknejad, Sh (Islamic Azad University - Arak Branch, 2023-09-01)

  The current article investigates the free vibrations of a three-layer beam. The middle layer of this structure is selected from porous material. For modeling the porous layer, linear pro-elasticity relationships are applied, ...

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• Free Vibration Analysis of Elastically Connected Beams with Step 

  Nayebi, H؛ Najafizadeh, M.M (Islamic Azad University - Arak Branch, 2023-09-01)

  In this study, free vibration of stepped beam which is parallel to a uniform beam with same length and elastically connected to it, is considered. Euler-Bernoulli beam theory has been applied to drive equations of motion, ...

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• Fracture Analysis of Several Interface Cracks in an FG Half-Plane with a Homogeneous Coating under Mixed-Mode Transient Loading 

  Bagheri, R؛ Ayatollahi, M؛ Hosseini, S. M؛ Bagheri, A (Islamic Azad University - Arak Branch, 2023-06-01)

  In this paper, the mechanical fracture problem of a half-plane made of functionally graded material (FGM) with a coating of a homogeneous layer containing multiple interface cracks is investigated in order to determine the ...

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• Arbitrary Angle Waveguide Bends Made of a New Heterostructure Phononic Crystal 

  Bagherinouri, M؛ Moradi, M (Islamic Azad University - Arak Branch, 2023-06-01)

  In this paper, an arbitrary angle waveguide bend made of a new heterostructure phononic crystal has been studied. By creation of line defects in the proposed heterostructure which is composed of square and rhombus phononic ...

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• Effect of Thermosensitivity on Heat Conduction and Stresses of a Multilayered Annular Disk 

  Kedar, G.D.؛ Srinivas, V.B.؛ Manthena, V.R (Islamic Azad University - Arak Branch, 2023-06-01)

  This paper deals with the analysis of temperature, deflection and thermal stresses of a multilayered annular disk. The thermo-mechanical properties of the disk are taken to be temperature dependent. Using Kirchhoff's ...

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• Vibrational Behavior Study of Effect of Crack on Atomic Force Microscope Cantilever Using a Structural Mechanics Model 

  Kouroshian, E؛ Parvaneh, V؛ Abbasi, M (Islamic Azad University - Arak Branch, 2023-06-01)

  In this research, a multi-scale model was used to analyze the vibrational behavior of the atomic force microscope (AFM) on a graphene sheet sample. Cantilever and silicone tip base were simulated based on the continuum ...

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• A Study on Stiffness of a Defective Rippled Graphene Using Molecular Dynamics Simulation 

  Hamzei, A؛ Jomehzadeh, E؛ Rezaeizadeh, M؛ Mahmoodi, M (Islamic Azad University - Arak Branch, 2023-06-01)

  Graphene without defects exhibits extraordinary mechanical properties, while defects such as vacancies and Stone-Wales usually impose a suffering effect on graphene's properties. On the other hand, strictly two-dimensional ...

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• Closed-Form Formulation for Bending Analysis of Functionally Graded Thick Plates 

  Shaban, M؛ Khoshgoftar, M. J (Islamic Azad University - Arak Branch, 2023-06-01)

  Due to their continuous material variation and eliminating the mismatch stress field in the thickness direction, Functionally Graded Materials (FGMs) have found wide applications in aerospace and mechanical engineering. ...

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• Nonlinear Free Vibration Analysis of Functionally Graded Sandwich Beam with Magnetorheological Fluid Core Using Timoshenko Beam Theory 

  Miraliyari, O؛ Jafari Mehrabadi, S؛ Najafizadeh, M.M (Islamic Azad University - Arak Branch, 2023-06-01)

  In this paper, the analysis of nonlinear free vibrations of beams made of functionally graded materials with magnetorheological fluid as core is investigated. It is assumed that the beam is made of three layers including ...

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• Numerical and Experimental Analysis of Impact and Damage on Composite Sandwich Panels with Grid-Stiffened Core 

  Faraji Shoaa, J؛ Davar, A؛ Eskandari Jam, J؛ Heydari Beni, M (Islamic Azad University - Arak Branch, 2022-12-01)

  A composite grid sandwich panel consists of a core with a composite grid structure and two faces on both sides of the core. This study investigated low-velocity impact in grid sandwich panels with grid cores experimentally ...

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• Construction of Porous Multiscale Heterogeneous Microstructures using Statistical Correlation Functions and Minimal Surfaces 

  Hasanabadi, A (Islamic Azad University - Arak Branch, 2022-12-01)

  Design multiphase heterogeneous structures in order to provide multifunctional properties has many applications in the field of material design. In this research, a new method for construction multiscale heterogeneous ...

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• The Effect of Magnetic Nanoparticles on Dynamic Behavior of Aorta Artery with Atherosclerosis Under the Action of Pulsating Blood Velocity 

  Motaghedifar, M.R؛ Fakhar, A؛ Tabatabaei, H؛ Mazochi, M (Islamic Azad University - Arak Branch, 2022-12-01)

  In this article, a biomechanical model is presented for dynamic instability behavior of aorta arteries with atherosclerosis conveying pulsating blood including pharmaceutical nanoparticles. Utilizing Mindlin theory of ...

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• The Modelling of the Mechanics of Deformation in Plane Strain Upsetting of Round Cross-Section Billets Between the Flat and V-Shaped Dies 

  Maleki, M؛ Haghighat, H (Islamic Azad University - Arak Branch, 2022-12-01)

  Plane strain upsetting of round cross-section billets between the flat and V-shaped dies has been studied in this paper. A deformation model has been proposed and the geometry of the deformed billet cross-section is ...

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• Numerical and Experimental Investigation on the Effect of Geometric Discontinuity on Frequency Response of Composite Lattice Conical Structures 

  Zamani, M. R؛ Zaretabar, M (Islamic Azad University - Arak Branch, 2022-12-01)

  Composite structures are increasingly being used in various engineering structures such as automotive, aerospace, and civil  structures due to their superior properties, namely, high strength-to-weight ratio, impact ...

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• Characterization of the Viscoelastic Q-Factor of Electrically Actuated Rectangular Micro-Plates 

  Keykha, E؛ Rahmani, H؛ Moeinkhah, H؛ Salehi Kolahi, M (Islamic Azad University - Arak Branch, 2022-12-01)

  Regarding the necessity of designing high Q-resonators in micro electromechanical systems, this paper investigates the viscoelastic behavior of a rectangular micro-plate subjected to electrical actuation. Equations governing ...

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• Experimental and Numerical Investigations of the Effect of Impact Angle and Impactor Geometry on the High-Velocity Impact Response of Aluminum Honeycomb Structures 

  Alikhani, H؛ Derakhshan, S؛ Khoramishad, H (Islamic Azad University - Arak Branch, 2022-12-01)

  In this study, the effects of impact angle and impactor geometry were investigated on the impact behavior of aluminum honeycombs experimentally and numerically. The high-velocity impact tests were carried out using a gas-gun ...

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• Deformation of Irregular Layered Half-Space Due to Long Strike Slip Fault 

  Malik, M؛ Dhankhar, Savita؛ kumar Sahrawat, R (Islamic Azad University - Arak Branch, 2022-09-01)

  This paper investigates the effect of irregular boundary and source depth in a two dimensional model due to movement of a long strike slip fault. A model having horizontal orthotropic elastic layer of uniform thickness ...

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• Investigating Stress Intensity Factor and Fatigue Life Using Extended Isogeometric Analysis Based on Bézier Extraction of NURBS 

  Shoheib, M. M؛ Shahrooi, Sh؛ Shishehsaz, M؛ Hamzehei, M (Islamic Azad University - Arak Branch, 2022-09-01)

  In this paper, the extended isogeometric analysis based on Bézier extraction of NURBS is applied for Investigating stress intensity factor and fatigue life in the two-dimensional crack problems with thermal and mechanical ...

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