Article
Mechanics
Seyyed Mohammad Hossein Hosseini, Hadi Arvin, Yaser Kiani
Summary: This article explores the buckling and post-buckling behavior of rotating clamped-clamped functionally graded beams under the influence of thermal environment and rotation, considering the temperature dependency of material properties. The study also investigates the impact of parameters such as rotor radius, beam length to thickness ratio, rotation speed, and power law index on the outcomes.
MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES
(2022)
Article
Mathematics
Bekir Akgoz, Omer Civalek
Summary: This study analyzes the buckling problem of nonhomogeneous microbeams with a variable cross-section. The influences of size effect, changes in the cross-section and Young's modulus, size dependency, and non-classical boundary conditions on buckling loads are examined.
Article
Mechanics
Arameh Eyvazian, Chunwei Zhang, Mohammad Alkhedher, Sami Muhsen, Mohamed Abdelghany Elkotb
Summary: This comprehensive study investigates the thermal buckling instability and post-critical deflection of a rotating nanocomposite microbeam reinforced with graphene platelet. The study shows that reinforcing the microbeam with graphene platelet using an X-pattern enhances its static strength against buckling instability.
COMPOSITE STRUCTURES
(2023)
Article
Mechanics
H. M. Abo-bakr, R. M. Abo-bakr, S. A. Mohamed, M. A. Eltaher
Summary: This research utilized multi-objective shape optimization method to optimize the shape and volume fraction distribution of functionally graded microbeams, for the first time, to maximize the critical buckling loads and fundamental frequencies while minimizing mass and cost. The modified continuum model based on Euler-Bernoulli beam theory and particle swarm optimization were used to derive equilibrium equations and equations of motion for the nonuniform microbeams. Multiple optimization problems were studied to demonstrate the multi-objective optimal shape design of these microbeams.
COMPOSITE STRUCTURES
(2021)
Article
Biochemistry & Molecular Biology
Tianyu Zhao, Yu Ma, Jiannan Zhou, Yanming Fu
Summary: This paper presents a study on wave propagation in rotating functionally graded microbeams reinforced by graphene nanoplatelets, analyzing the effects of rotating speed, GPL distribution pattern, and nonlocal scale on the wave properties of the microbeam. The research findings can be valuable for designing rotating graphene nanoplatelet reinforced microbeams with improved structural performance.
Article
Materials Science, Multidisciplinary
Bin Du, Fan Xu, Zhibin Fen
Summary: In this study, the vibration of rotating functionally graded porous Rayleigh beams under longitudinal motion in hygro-thermo-magnetic fields is investigated numerically and analytically. The impacts of critical factors on microbeam stability, such as functionally graded index, rotary inertia parameter, porosity distribution, foundation characteristics, environmental loads, boundary conditions, axial and tangential follower forces, are studied through parametric analysis. The results provide valuable insights for the optimal design of inhomogeneous gyroscopic microsystems.
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
(2023)
Article
Mechanics
Armagan Karamanli, Thuc P. Vo
Summary: This paper investigates the size-dependent responses of functionally graded porous microbeams using quasi-3D theory and modified strain gradient theory. Different porosity distribution models are considered and the effects of various factors on the structural responses are analyzed. The significant impact of variable material length scale parameters (MLSPs) is highlighted for accurate analysis.
COMPOSITE STRUCTURES
(2021)
Article
Materials Science, Multidisciplinary
Pei Zhang, Hai Qing
Summary: In this paper, size-dependent buckling analysis for slightly curved sandwich microbeams made of functionally graded materials was conducted using a stress-driven nonlocal model. The Fredholm integral constitutive equations were transformed into the Volterra type of the first kind and solved analytically using Laplace transformation and its inversion under different boundary conditions. The exact solutions were validated against existing results. The study investigated the effects of the nonlocal parameter, thickness ratio of core-to-skin layers, FG power-law index, and length-height ratio on the buckling loads and the ratio of predicted results by two common beam theories.
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
(2022)
Article
Engineering, Civil
Hadi Arvin, Seyyed Mohammad Hossein Hosseini, Yaser Kiani
Summary: This paper presents a comprehensive examination of the free vibration treatment of pre- and post-buckled rotating functionally graded beams, utilizing the nonlinear finite element method and temperature-dependent thermo-mechanical properties. The outcomes reveal that rotating simply-clamped beams treat qualitatively differently from other boundary condition types.
THIN-WALLED STRUCTURES
(2021)
Article
Engineering, Civil
H. N. Li, W. Wang, S. K. Lai, L. Q. Yao, C. Li
Summary: This paper investigates the nonlinear vibration and stability analysis of rotating functionally graded (FG) piezoelectric nanobeams using the nonlocal strain gradient theory. The study derives nonlinear equations of motion and discretizes them to determine the vibration frequencies and buckling loads of the nanobeams. The results show that increasing the nonlocal parameter and material length parameter can result in a stiffness-hardening effect, and incorporating the effect of geometric nonlinearity is crucial for accurate analysis.
INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS
(2023)
Article
Chemistry, Physical
M. M. Shahzamanian, A. Shahrjerdi, B. B. Sahari, P. D. Wu
Summary: In this study, a steady-state thermal analysis was performed on a hollow and axisymmetric functionally graded rotating disk. The temperature distribution along the radial direction of the disk was presented using an in-house finite element program, the ANSYS parametric design language, and an analytical solution. The effects of material gradation on temperature, thermal strain, and stress were investigated. Additionally, the in-house finite element program was shown to be more efficient and convenient for post-processing analysis compared to commercial finite element software.
Article
Engineering, Ocean
Zhenkui Wang, C. Guedes Soares
Summary: This study examines the upheaval thermal buckling of functionally graded subsea pipelines under thermal loadings, taking into account the temperature-dependent material properties distributed through the cross-section. The analytical solution derived evaluates the thermal post-buckling response and numerical results show the significant influence of the temperature-dependent material property on the upheaval thermal buckling behavior. Additionally, the use of functionally graded subsea pipelines leads to a reduction in both the minimum critical temperature and maximum stress.
APPLIED OCEAN RESEARCH
(2021)
Article
Engineering, Civil
Jia-Qin Xu, Gui-Lin She
Summary: The thermal post-buckling characteristics of functionally graded pipes with initial geometric imperfection are studied in this paper. Nonlinear governing equations are derived using the Euler-Lagrange principle, and a two-step perturbation method is used to solve the equations and obtain the thermal post-buckling responses. The effects of various factors on the thermal post-buckling response are analyzed through numerical analyses.
GEOMECHANICS AND ENGINEERING
(2022)
Article
Engineering, Civil
Thom Van Do, Duc Hong Doan, Nguyen Chi Tho, Nguyen Dinh Duc
Summary: This study investigates the thermal buckling of fractured functionally graded material plates using a phase-field model, demonstrating the difference in static stability response based on temperature-dependent and temperature-independent material mechanical properties. The research provides valuable information for scientists to choose the most accurate computation model.
INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS
(2022)
Article
Nanoscience & Nanotechnology
Abdelhakim Bouhadra, Abderrahmane Menasria, Mohamed Ali Rachedi
Summary: This paper investigates the buckling behavior of functionally graded nanobeam based on high order shear deformation beams theory, using two different types of porous distribution materials. The governing equations are derived using the principle of virtual work, and analytical resolutions for FG nanobeam buckling are introduced under two different boundary conditions.
ADVANCES IN NANO RESEARCH
(2021)
Article
Mechanics
Seyyed Mohammad Hossein Hosseini, Hadi Arvin, Yaser Kiani
Summary: This article explores the buckling and post-buckling behavior of rotating clamped-clamped functionally graded beams under the influence of thermal environment and rotation, considering the temperature dependency of material properties. The study also investigates the impact of parameters such as rotor radius, beam length to thickness ratio, rotation speed, and power law index on the outcomes.
MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES
(2022)
Article
Engineering, Electrical & Electronic
Seyyed Mohammad Hossein Hosseini, Hadi Arvin
Summary: This paper investigates the free vibrations of pre/post-buckled rotating functionally graded sandwich micro-beams, considering the thermo-mechanical characteristics of the material phases and introducing size effect through modified couple stress theory. The finite element technique is used to discretize the equations of motion, and the Newton-Raphson technique along with a proposed algorithm is employed to release the fundamental pre/post-buckling natural frequency. The study examines the impact of various parameters on the outcomes.
MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS
(2021)
Article
Mechanics
Hamidreza Esmaeili, Hadi Arvin, Walter Lacarbonara
Summary: The nonlinear forced response of multilayer piezoelectric cantilever microbeams reinforced by carbon nanotubes with a concentrated tip mass is investigated using geometrically exact formulation and multiple scales approach. The effects of carbon nanotubes volume fraction, tip mass, and force amplitude on the frequency response of the system are highlighted, showing the feasibility of the second mode for mass sensing purposes.
COMPOSITE STRUCTURES
(2021)
Article
Engineering, Civil
Hadi Arvin, Seyyed Mohammad Hossein Hosseini, Yaser Kiani
Summary: This paper presents a comprehensive examination of the free vibration treatment of pre- and post-buckled rotating functionally graded beams, utilizing the nonlinear finite element method and temperature-dependent thermo-mechanical properties. The outcomes reveal that rotating simply-clamped beams treat qualitatively differently from other boundary condition types.
THIN-WALLED STRUCTURES
(2021)
Article
Mechanics
Fatemeh Abbaspour, Hadi Arvin, Maryam Shahriari-Kahkeshi
Summary: The paper investigates the active control of vibrations of rectangular nanocomposite micro plates reinforced with graphene platelet in a thermal environment. A closed-loop PD-controller is proposed, and the findings are validated with existing literature. Parametric study sheds light on the influence of material length scale, boundary conditions, graphene platelet distribution and control gain values on the dynamic response of the micro plate. The results show the effectiveness of the designed PD controller, especially when size dependency is considered, and its performance improves at higher temperatures.
INTERNATIONAL JOURNAL FOR COMPUTATIONAL METHODS IN ENGINEERING SCIENCE & MECHANICS
(2022)
Article
Engineering, Civil
Arash Davoudvand, Hadi Arvin, Yaser Kiani
Summary: This paper examines the backbone curves of nanocomposite beams reinforced with graphene platelet (GPL) on elastic foundation under temperature increment. The study uses mathematical modeling and iterative calculations to determine the nonlinear natural frequency and the corresponding backbone curve of the nanocomposite beam. The results show that the weight fraction and distribution pattern of GPL have an influence on the mechanical behavior of the nanocomposite beam, and the temperature increment further affects the backbone curves.
INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS
(2022)
Article
Mechanics
Chunwei Zhang, Arameh Eyvazian, Mohammad Alkhedher, Mamdooh Alwetaishi, N. Ameer Ahammad
Summary: The current study focuses on the mechanical buckling analysis of a three-layered microplate consisting of honeycomb structures sandwiched between two piezoelectric face sheets. The study considers the effective mechanical properties of the honeycomb core and the influence of geometric specifications. The findings have importance in designing and manufacturing more applicable structures and smart devices.
COMPOSITE STRUCTURES
(2022)
Article
Engineering, Multidisciplinary
Meiling Guo, Hadi Arvin
Summary: This study investigates the instability and post-instability response of a rotating nanocomposite beam in a uniform thermal environment due to buckling occurrence using the Chebyshev-Ritz scheme. The beam is reinforced with graphene platelet. The results show that the graphene reinforcement has a negative effect on the thermal buckling stiffness of the nanocomposite beam at certain rotating speeds.
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS
(2023)
Article
Engineering, Multidisciplinary
Sasan Talebi, Hadi Arvin, Yaghoub Tadi Beni
Summary: This study addresses the thermal free vibration examination of sandwich piezoelectric agglomerated Timoshenko beams strengthened by carbon nanotubes for the first time, considering the pyroelectric effect. The top and bottom layers of the beam serve as piezoelectric sensors, while the host lamina is a polymer matrix reinforced with randomly oriented carbon nanotubes. The Mori-Tanaka approach is used to define the thermal and mechanical properties of the nanocomposite, incorporating the effect of carbon nanotube agglomeration.
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS
(2023)
Article
Engineering, Civil
Fatemeh Abbaspour, Hadi Arvin, Maryam Shahriari-kahkeshi
Summary: This study investigates the nonlinear vibration control of a piezoelectric sandwich microplate reinforced with graphene sheets under uncertainty about the temperature of the operating environment. Sliding mode and feedback linearization controllers are used to achieve stable vibration control. The results show that the sliding mode controller is more effective with a lower energy cost.
THIN-WALLED STRUCTURES
(2022)
Article
Engineering, Multidisciplinary
Zhipeng Ma, Hadi Arvin
Summary: This research examines the linear and nonlinear thermo-electro-mechanical free vibrations of a sandwich piezoelectric beam. It is found that strengthening the beam with graphene platelets can increase the chance of dysfunction, while the pyroelectricity can postpone the possibility of dysfunction and alleviate the hardening nonlinearity.
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS
(2023)
Article
Engineering, Multidisciplinary
Yong Tao, Chu Chen, Jilie Zhou, Hadi Arvin
Summary: This study explores the dynamic instability caused by principal parametric resonance in a rotating agglomerated nanocomposite beam reinforced with randomly oriented carbon nanotubes. The effective thermo-elastic constants of the agglomerated beam are determined using Mori-Tanaka's approach. By considering the excitation frequency of the rotating speed, the principal parametric resonance is activated. The instability region of the rotating agglomerated beam is illuminated using Bolotin's technique and Floquet theory.
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS
(2023)
Article
Engineering, Aerospace
Jijun Luo, Shengguang Peng, Suxia Hou, Hadi Arvin
Summary: The nonlinear aspects of advanced structures can be utilized for design purposes and to take advantage of their strengths while avoiding their weaknesses. Furthermore, obtaining information from secondary resonance examinations of these structures is valuable for engineering objectives such as mass detection, energy harvesting, and damage detection. Additionally, a precise solution methodology eliminates the possibility of qualitative errors and incorrect biases.
AEROSPACE SCIENCE AND TECHNOLOGY
(2023)
Article
Engineering, Multidisciplinary
Neda Asadi, Hadi Arvin, Krzysztof Kamil Zur
Summary: Carbon-based nanocomposite drive shafts have excellent material and mechanical properties and find applications in aerospace and automotive industries. In this study, new Campbell diagrams, vibration and bifurcation points of multilayer shafts reinforced with graphene nanoplatelets (GPLs) are presented using a modified Timoshenko beam theory. The mechanical properties of the nanocomposite material are estimated, motion equations are derived, and the Ritz-Chebyshev method is applied for obtaining the characteristic equations. The study investigates the effects of different parameters on the damping, dynamics, and instability zones of the graphene-based nanocomposite shafts.
APPLIED MATHEMATICAL MODELLING
(2023)
