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On the thermoelastic model of real materials with relaxation dynamics of defects Acta. Mech. (IF 2.7) Pub Date : 2024-04-18 Nikita F. Morozov, Dmitry A. Indeitsev, Kirill L. Muratikov, Boris N. Semenov, Dmitry S. Vavilov, Aleksey A. Kudryavtsev
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The dispersion and reflection characteristics of coupled waves in the piezomagnetic solid with flexomagnetic microstructure effect Acta. Mech. (IF 2.7) Pub Date : 2024-04-17 Fengyu Jiao, Zhongxian Liu, Jinghong Liu, Mingyang Pan
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Dynamics of a heavy pendulum of variable length with a movable suspension point Acta. Mech. (IF 2.7) Pub Date : 2024-04-16 Alexander A. Burov, Vasily I. Nikonov
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Energy supply into a semi-infinite $$\beta $$ -Fermi–Pasta–Ulam–Tsingou chain by periodic force loading Acta. Mech. (IF 2.7) Pub Date : 2024-04-15 Sergei D. Liazhkov
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Free vibration characteristics of stiffened sandwich plates with auxetic core and functionally graded piezoelectric face sheet Acta. Mech. (IF 2.7) Pub Date : 2024-04-15 Van-Tham Vu, Huu-Quoc Tran
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Molecular dynamics simulation of tension of polymer composites reinforced with graphene and graphene oxide Acta. Mech. (IF 2.7) Pub Date : 2024-04-15 Khalfani Juma Mofu, Yi-Fan Wei, Jemal Fahmi Awol, Yan-Gao Hu
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Moving contact problem of a functionally graded orthotropic coated half plane Acta. Mech. (IF 2.7) Pub Date : 2024-04-15 Pembe Merve Karabulut, İlkem Turhan Çetinkaya, Hüseyin Oğuz, İsa Çömez
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Lamb waves in three-layered plates: crossing fundamental branches and wave bifurcation Acta. Mech. (IF 2.7) Pub Date : 2024-04-15 S. V. Kuznetsov
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Extending intergranular normal-stress distributions using symmetries of linear-elastic polycrystalline materials Acta. Mech. (IF 2.7) Pub Date : 2024-04-10 Samir El Shawish
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The influences of the punch geometry on the contact behaviors of a finite-thickness strip with thermoelectric effects Acta. Mech. (IF 2.7) Pub Date : 2024-04-08 Xiaojuan Tian, Yueting Zhou, Chuanzeng Zhang
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Effective dynamic properties of multi-segment beam lattices: a dynamic stiffness formulation Acta. Mech. (IF 2.7) Pub Date : 2024-04-08 Changqing Peng, Jinxing Liu, Ai Kah Soh
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Buckling behaviour of the stiffened hygrothermally stable composite plates with interfacial debond subjected to environmental and operational loading conditions Acta. Mech. (IF 2.7) Pub Date : 2024-04-08 Akshay Prakash Kalgutkar, Sauvik Banerjee
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Isogeometric homogenization of unidirectional nanocomposites with energetic surfaces Acta. Mech. (IF 2.7) Pub Date : 2024-04-08 Xiaoxiao Du, Qiang Chen, Chatzigeorgiou George, Fodil Meraghni, Wei Wang, Gang Zhao
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Propagation of semi-infinite crack in an initially stressed dry sandy medium impacted by shear wave Acta. Mech. (IF 2.7) Pub Date : 2024-04-07 Ajeet Kumar Singh, Abhishek Kumar Singh
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Experimental design of a grounding metamaterial with a zero-frequency bandgap Acta. Mech. (IF 2.7) Pub Date : 2024-04-07 Leiyu Yang, Lifeng Wang, Xiao Yu
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Effect of crack on the dynamic response of bidirectional porous functionally graded beams on an elastic foundation based on finite element method Acta. Mech. (IF 2.7) Pub Date : 2024-04-04 Mouloud Dahmane, Mourad Benadouda, Riadh Bennai, Ahmed Saimi, Hassen Ait Atmane
The contribution provided in this study is to investigate the dynamic response of Euler–Bernoulli imperfect FG beams-cracked on Winkler-elastic foundation, considering pinned–pinned boundary condition. The equations are discretized with classical finite element method (h-FEM). The material properties are considered vary in the both; width and thickness directions of the beam, via power-law form. An
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A coupled hygro-thermo-mechanical Cosserat peridynamic modelling of fire-induced concrete fracture Acta. Mech. (IF 2.7) Pub Date : 2024-04-03 Jiaming Zhang, Min Yu, Xihua Chu, Rongtao Li
In this study, a fully coupled hygro-thermo-mechanical bond-based Cosserat peridynamic model is formulated to simulate the complex crack propagation and multi-field interaction process in concrete under fire. This model can consider the effect of the size and the independent rotation of cement particle. A numerical solution with a multi-rate explicit integration strategy is adopted for the complex
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Reflection and transmission of elastic waves through a sandwich structure with the microstructural effects and Lorentz force considered Acta. Mech. (IF 2.7) Pub Date : 2024-04-03 Yueqiu Li, Tiantian Yue, Xinyu Bian, Zihao Guo, Changda Wang
The reflection and transmission of a plane elastic wave through a microstructural slab sandwiched by two half-spaces with consideration of the microstructural effects and the Lorentz force simultaneously are investigated in the present work. The microstructural effects are reflected by the dipolar gradient elastic model, and the influences of the external magnetic field are incorporated by the Lorentz
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Tribological characteristics of three-body abrasive wear on MoS2 films Acta. Mech. (IF 2.7) Pub Date : 2024-04-01 Shaojiang Dong, Song Zou, Weilun Cheng, Bo Hu, Qingyi Liu
Aiming at the problem of the failure of bearing lubrication caused by the entry of fine dust into the spacecraft, a molecular dynamic simulation method was proposed to study the wear characteristics of the bearing lubricating film. Firstly, the atomic model of MoS2 thin film is established, and the motion state of dust particles on the surface of MoS2 thin film is divided (sliding abrasive and rotating
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A mode-III fracture analysis of two collinear cracks in a functionally graded material using gradient elasticity theory Acta. Mech. (IF 2.7) Pub Date : 2024-04-01
Abstract In this paper, we have studied the behaviour of two symmetric mode-III collinear cracks in a functionally graded material (FGM). The fundamental goal of this paper is to provide insight on the interaction of two cracks in FGMs with the strain gradient effect. To assess the influence of gradient elasticity, we have considered two key parameters \(\ell \) and \(\ell ^{\prime }\) , which describe
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A computational meshfree RPIM approach for phase-field modeling of brittle fracture Acta. Mech. (IF 2.7) Pub Date : 2024-04-01 Hossein Saberi, Chuyen Thanh Nguyen, Hamid Saberi, Mehdi Sabagh, Minh Ngoc Nguyen, Tinh Quoc Bui
Modeling failure mechanisms in solids by using sharp crack discontinuities suffers various shortcomings that can be diminished by diffusive crack conception or phase-field method. The phase-field method describes sharp crack surfaces with a continuous field variable evaluated through a differential evolution equation. This study deals with the discretization and solution of equilibrium and crack evolution
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Symmetries and perturbations of a singular nonconservative system on time scales Acta. Mech. (IF 2.7) Pub Date : 2024-04-01
Abstract The symmetries and perturbations of a singular nonconservative Lagrangian system on time scales are studied. The differential equations of motion are given. The definitions and criteria of the Noether, Lie, and Mei symmetries of the system are presented, and the corresponding conserved quantities deduced from these symmetries are obtained. In addition, the perturbations to each symmetry and
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Research on the tunability of longitudinal wave resonance rainbow trapping in the periodic non-uniform magnetostrictive rods Acta. Mech. (IF 2.7) Pub Date : 2024-03-31 Tian Deng, Luke Zhao, Feng Jin
The rainbow trapping effect, characterized by the presence of multiple band gaps (BGs) and wave energy accumulation, holds great promise in applications such as wave filters and vibration energy harvesters. To achieve the tunability of longitudinal wave propagation and further enhanced energy localization, a thickness-induced periodic array of magnetostrictive rods with the rainbow trapping effect
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Alternative finite strain viscoelastic models: constant and strain rate-dependent viscosity Acta. Mech. (IF 2.7) Pub Date : 2024-03-30 Eduardo Yuiti Hayashi, Humberto Breves Coda
In this study, we present alternative viscoelastic models for materials developing large strains. The novelty of these models is the definition of isochoric strain components, from which we numerically calculate isochoric strain rates. The proposed models differ from the most usual frameworks present in the literature, namely Köner–Lee decomposition models, hereditary integral models and thermodynamically
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Effect of interlayer materials on microstructure, hardness and corrosion resistance of an electromagnetic welded titanium–stainless steel interface Acta. Mech. (IF 2.7) Pub Date : 2024-03-28
Abstract Electromagnetic welding, also referred to as magnetic pulse welding, is a solid-state welding method utilized for joining two distinct materials through high velocity impact. The direct fusion of stainless steel with titanium poses various difficulties owing to the absence of metallurgical compatibility and the occurrence of brittle intermetallic compounds such as FeTi and CrTi. To tackle
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Free vibration and bending analysis of porous bi-directional FGM sandwich shell using a TSDT p-version finite element method Acta. Mech. (IF 2.7) Pub Date : 2024-03-23 Zeddoune Lakhdar, Sidi Mohammed Chorfi, Sid Ahmed Belalia, Khaled Mohamed Khedher, Ayed Eid Alluqmani, Adbelouahed Tounsi, Murat Yaylacı
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Crack growth optimization using eddy current testing and genetic algorithm for estimating the stress intensity factors Acta. Mech. (IF 2.7) Pub Date : 2024-03-22 Meftah Aouissi, Salaheddine Harzallah, Abbas Cheddad
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A numerical-analytical model of elasto-plastic deformation of matrix composites Acta. Mech. (IF 2.7) Pub Date : 2024-03-21 Aleksandr Fedotov
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Fractional gradient system and generalized Birkhoff system Acta. Mech. (IF 2.7) Pub Date : 2024-03-20 Peng Wang, Bai-qiang Liu
New fractional gradient representation of generalized Birkhoff system is studied. New definition of fractional gradient system for generalized Birkhoff system is given. New condition for generalized Birkhoff system transforms into arbitrary fractional-order (integer or non-integer) gradient system is deduced. The fractional dynamical modelling method by fractional gradient system is also discussed
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A new direct approach for evaluating the wheel-rail contact stiffness, including surface roughness and hardening effects Acta. Mech. (IF 2.7) Pub Date : 2024-03-20 Mohammad Amini Sarabia, Parisa Hossein Tehrani
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In-plane bending vibration of L-shaped cantilever nanobeams carrying a tip nanoparticle by nonlocal elasticity Acta. Mech. (IF 2.7) Pub Date : 2024-03-17 Y. Q. Han, X. L. Peng
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Generalization of the variable separation method for solving boundary value problems of linear viscoelasticity of kinds I and III Acta. Mech. (IF 2.7) Pub Date : 2024-03-17
Abstract At present, structural analysis of polymer composite materials is a highly relevant issue. The complexity of taking into account the viscoelastic stress–strain dependence and the time-dependent distribution of stress–strain state parameters over the volume occupied by a solid is a limiting factor. The relevance and demand for new efficient methods of mathematical modeling of creep and relaxation
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Nonlinear damping and forced vibration investigation of three-layered viscoelastic sandwich beams on nonlinear elastic foundation with interlaminar continuous shear stress Zig–Zag theories Acta. Mech. (IF 2.7) Pub Date : 2024-03-17
Abstract The objective of this research is to investigate nonlinear elastic foundation effects on the damping characteristics and forced vibrations of sandwich beam, in which a viscoelastic layer is positioned between two identical elastic layers. The analytical formulation takes into account both normal and shear deformations in the core by employing the interlaminar continuous shear stress Zig–Zag
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Study on normal contact stiffness characteristics in non-Gaussian rough surfaces under mixed lubrication Acta. Mech. (IF 2.7) Pub Date : 2024-03-15 Zhiqiang Gao, Yu Zhang, Xian Wei, Lixia Peng, Weiping Fu, Wen Wang, Weipeng Hu
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The free and forced vibration behavior analysis of multi-stepped FGP-GPLRC curved beam with general boundary conditions Acta. Mech. (IF 2.7) Pub Date : 2024-03-15 C. Yu, J. Lu, Q. Yang, K. Yang, W. Xu, C. Chiu
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Thermal effects on nonlinear vibration of nonlocal nanobeam embedded in nonlinear elastic medium Acta. Mech. (IF 2.7) Pub Date : 2024-03-14 Redwan Mohammed Mamu, Necla Togun
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On the generalized flexothermoelasticity of a microlayer Acta. Mech. (IF 2.7) Pub Date : 2024-03-13 Forough Kheibari, Yaghoub Tadi Beni, Hossein Golestanian
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Three-node Mindlin plate finite element with shear stress resultants derived from equilibrium equations Acta. Mech. (IF 2.7) Pub Date : 2024-03-13 Marin Grbac, Dragan Ribarić
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Analysis on scattering characteristics of SH guided wave due to V-notch in a piezoelectric/piezomagnetic bi-material strip Acta. Mech. (IF 2.7) Pub Date : 2024-03-13 Xi-meng Zhang, Hui Qi
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Bifurcation and dynamic analysis of quasi-zero stiffness isolator with asymmetric stiffness and mismatched load based on X-shaped negative stiffness structure Acta. Mech. (IF 2.7) Pub Date : 2024-03-13 Bingyi Liu, Liang Gu, Mingming Dong
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A novel framework for optimizing Gurney flaps using RBF surrogate model and cuckoo search algorithm Acta. Mech. (IF 2.7) Pub Date : 2024-03-13 Aryan Tyagi, Paras Singh, Aryaman Rao, Gaurav Kumar, Raj Kumar Singh
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Mechanically manipulated in-plane electric currents and thermal control in piezoelectric semiconductor films Acta. Mech. (IF 2.7) Pub Date : 2024-03-13 Gongye Zhang, Xueqian Kong, Changwen Mi
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Mechanisms of failure of aluminium-based Whipple shields under hypervelocity impact: insights from continuum simulations Acta. Mech. (IF 2.7) Pub Date : 2024-03-12 Arun Kamble, Parag Tandaiya
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Aero-thermal stability and nonlinear vibration analysis of a thin plate in narrow channel Acta. Mech. (IF 2.7) Pub Date : 2024-03-12 Guo Yao, Dong Liu
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Distributed load identification for hyperelastic plates using gradient-based and machine learning methods Acta. Mech. (IF 2.7) Pub Date : 2024-03-11
Abstract The aim of this research is to identify a distributed load applied to a hyperelastic plate using displacement measurements. This inverse problem is analyzed using a gradient-based method and various machine learning techniques such as the multivariate polynomial regression, support vector regression, k-nearest neighbors, and neural network. The finite element method is used to solve the direct
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Reflection and transmission of plane wave at the interface between two distinct nonlocal triclinic micropolar generalized thermoelastic half spaces under DPL and LS theory Acta. Mech. (IF 2.7) Pub Date : 2024-03-10 Deepak Kumar, Brijendra Paswan, Pooja Singh, Amares Chattopadhyay
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A note concerning some aspects for application of a thermodynamic extremal principle (TEP) for continua Acta. Mech. (IF 2.7) Pub Date : 2024-03-09
Abstract A matter of fact is that extremal principles have been introduced in mechanics in more (Euler, Lagrange) or less (Hamilton) than 200 years ago. One may also observe an impact of thermodynamic extremal principles based on maximum dissipation due to all the entropy production expressed in several disciplines. According fields are theory of communication, statistical mechanics and later physics
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Effects of grain size distributions on scattering attenuation of elastic waves in polycrystalline materials Acta. Mech. (IF 2.7) Pub Date : 2024-03-04 Peijun Wei, Chao Wang
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Multimodal frequency and phase velocity spectrum of shear wave in microstructural flexomagnetic plate loaded with complex fluid Acta. Mech. (IF 2.7) Pub Date : 2024-03-04 Mahargha Biswas, Sanjeev A. Sahu
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Scattering of shear horizontal waves by the piezomagnetic material cylinder embedded in an elastic medium Acta. Mech. (IF 2.7) Pub Date : 2024-03-02
Abstract Scattering behaviors of shear horizontal (SH) waves by the piezomagnetic cylinder embedded in an infinite elastic medium are investigated. The effective material constants of the piezomagnetic cylinder are changed with the magnetic field and compressive stress. By applying the method of wave function expansion, the governing differential equations of the scattered SH waves are solved and the
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An edge dislocation interacting with a hypotrochoidal compressible liquid inclusion Acta. Mech. (IF 2.7) Pub Date : 2024-03-02
Abstract We use Muskhelishvili’s complex variable formulation to derive a closed-form solution to the plane strain problem of a hypotrochoidal compressible liquid inclusion embedded in an infinite isotropic elastic matrix subjected to an edge dislocation located at an arbitrary position. The internal uniform hydrostatic tension within the hypotrochoidal liquid inclusion and all the unknown complex
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Characterization of catastrophic bifurcations in an agglomerated carbon nanotube-reinforced beam Acta. Mech. (IF 2.7) Pub Date : 2024-03-02 Xiaoyue Li, Hadi Arvin
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Boundary controllability of a nonlinear elastic body Acta. Mech. (IF 2.7) Pub Date : 2024-03-02
Abstract This paper addresses the exact controllability of vibrations in a three-dimensional Cosserat elastic solid body using mathematical techniques such as operator theory and semigroup methods. The verification of exact (shape) controllability is accomplished through the application of the Hilbert Uniqueness Method, which involves investigating the boundary observability for the dual system. In
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A new model of rotating nonlocal fiber-reinforced visco-thermoelastic solid using a modified Green–Lindsay theory Acta. Mech. (IF 2.7) Pub Date : 2024-03-02 Mohamed I. A. Othman, Samia M. Said, Esraa M. Gamal
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Investigation and improving modeling and control for continuum magnetic robots using Cosserat theories and optimal control Acta. Mech. (IF 2.7) Pub Date : 2024-02-29 Pouya Mallahi Kolahi, Moharram Habibnejad Korayem
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Force-chemical coupling analysis of nanocomposite anode during charging and discharging process Acta. Mech. (IF 2.7) Pub Date : 2024-02-29 Zhihao Liu, Longfei Li, Jiatang Liu, Jiang Yan, Chaojie Gao, Jianqiu Zhou
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Flexural vibration control of functionally graded poroelastic pipes via periodic piezoelectric design Acta. Mech. (IF 2.7) Pub Date : 2024-02-29 Yu-Hao Ding, Zhi-Qiang Chen, Feng Liang, Heow-Pueh Lee, Hao Yu, Sheng-Can Lin, Jing Luo
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Five-variable higher-order model for accurate analysis and design of laminated plates Acta. Mech. (IF 2.7) Pub Date : 2024-02-28 Wu Zhen, Mei Jie, Ling Shengbo, Ren Xiaohui
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Effect of realistic distributed loads on the bi-stable behavior of a pre-stressed aileron Acta. Mech. (IF 2.7) Pub Date : 2024-02-28 Giovanni Corsi, Francesco Battista, Paolo Gualtieri, Stefano Vidoli
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Piezo-viscous-polar lubrication of hybrid journal bearing under misaligned operation Acta. Mech. (IF 2.7) Pub Date : 2024-02-27 Arvind K. Rajput, Vishal Singh