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Accounting for spatial distribution in mean-field homogenization of particulate composites Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-03-11 O.L. Cruz-González, R. Cornaggia, S. Dartois, R. Brenner
Several analytical mean-field homogenization methods, which take into account the particle volume fraction, shape and orientation are readily available to estimate the effective properties of particulate composites. Models have also been proposed to account for the spatial distribution of the particles. The classical Ponte-Castañeda and Willis (PCW) model is based on a parametrization of the statistical
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Physically consistent nonlocal macro-meso-scale damage model for quasi-brittle materials: A unified multiscale perspective Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-03-11 Yudong Ren, Guangda Lu, Jianbing Chen
Despite great efforts in capturing the damage evolution law in multiscale approaches in damage mechanics, much less attention has been paid to the conversion from geometric damage to energy dissipation. In the present paper, the newly proposed nonlocal macro-meso-scale damage (NMMD) model is physically consolidated and a multiscale point of view is consistently adopted in both the damage evolution
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Mechanics of inner core debonding of composite sandwich beam with CFRP hexagonal honeycomb Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-03-08 Pengcheng Xue, Xingyu Wei, Zhibin Li, Yan Wang, Mikhailo F. Selivanov, Jian Xiong
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A visco-hyperelastic model for hydrogels with different water content and its finite element implementation Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-03-08 Ruijie Lin, Shuai Xu, Zishun Liu
The visco-hyperelastic properties of hydrogels, which are greatly influenced by water content, play a crucial role in the potential applications in cutting-edge fields. Therefore, quantifying the effect of water content on the visco-hyperelastic behavior of hydrogels is necessary. In this work, we have proposed a visco-hyperelastic constitutive model which considers the water content for large deformation
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An effective anisotropic visco-plastic model dedicated to high contrast ductile laminated microstructures: Application to lath martensite substructure Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-03-07 V. Rezazadeh, F. Maresca, J.P.M. Hoefnagels, M.G.D. Geers, R.H.J. Peerlings
In particular types of layer- or lamellar-like microstructures such as pearlite and lath martensite, plastic slip occurs favorably in directions parallel to inter-lamellar boundaries. This may be due to the interplay between morphology and crystallographic orientation or, more generally, due to constraints imposed on the plastic slip due to the lamellar microstructural geometry. This paper proposes
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A thin-walled cavity structure with double-layer tapered scatterer locally resonant metamaterial plates for extreme low-frequency attenuation Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-03-07 Mohammad Ravanbod, Salman Ebrahimi-Nejad, Morteza Mollajafari
Locally resonant acoustic metamaterials (LRAMs) are effective spatial frequency filters due to their local resonance system. However, they own narrow stopbands, charge additional weight on the primary system, and operate only at the adjusted frequency range. In this paper, a novel dual-target LRAM is proposed based on coupling the cavity and convex mechanisms, utilizing the benefits of both sound-barrier
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Design and study of novel Nested auxetic lattices with tunable and enhanced in-plane elastic properties Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-03-06 Antu Acharya, Anirvan DasGupta, Atul Jain
Auxetic lattices are interesting engineering materials due to Negative Poisson’s Ratio (NPR). However, auxetic lattices usually have extremely low stiffness and exhibit high anisotropy (/ >>1), severely limiting their application in high-loading environments. Attempts at increasing the stiffness of lattices typically lead to a decrease in auxeticity and an increase in anisotropy. In the current study
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Energy variation and stress fields of spherical inclusions with eigenstrain in three-dimensional anisotropic bi-materials Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-03-05 T, ., , R, i, c, h, e, t, o, n
In this study, expressions for the interior stress fields of a spherical inclusion with uniform eigenstrain embedded in an anisotropic bi-material featuring a planar interface are derived. These expressions involve surface integrals of the imaginary term of the first derivative of the Green tensor in an anisotropic bi-material which are well-suited for standard numerical integrations. Specific formulations
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Fatigue life prediction and energy conversion efficiency evaluation of a photovoltaic-thermoelectric device subjected to time-varying thermal and wind hybrid loads Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-03-02 C. Liu, Y.J. Cui, K.F. Wang, B.L. Wang
The photovoltaic-thermoelectric (PV-TE) device is one of the most promising pollution-free devices along with the booming demand for green electricity. The multilayered PV-TE device has poor interfacial mechanical performance and is subjected to complex cyclic loads. Thus, the interfacial stresses and crack propagation are investigated to deepen understanding of the interfacial fatigue failure mechanism
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Low velocity impact and compression after impact of thin and thick laminated carbon fiber composite panels Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-03-02 Andrew Seamone, Paul Davidson, Anthony M. Waas, Vipul Ranatunga
This study explores the impact behavior of thin and thick composite panels, yielding insights into their behavior under increasing impact energies. Thin composite specimens demonstrated limited surface damage tolerance, while thicker panels remained visually intact but suffered internal damage, adversely affecting their compressive load capacity. The study shows a robust correlation between impact
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Pneumatically tunable adherence of elastomeric soft hollow pillars with non-circular contacts Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-03-01 Guangchao Wan, Wanliang Shan
Dynamically tunable interfacial dry adhesion plays a significant role in numerous biological functions and industrial applications. Among various strategies, pneumatics-activated adhesive devices draw much attention due to their distinct advantages such as fast speed, reliable performance, large adhesion tunability and easily accessible materials. To understand and predict adhesion strength of pneumatics-activated
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A lattice structure with adjustable mechanical behavior constructed by rotating triangles translated out of plane and splicing each other Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-28 Ning Zhang, Xiaodong Ma, Yujia Chang, Xiaogeng Tian
Lattice structures have been proven to be one of the most promising metamaterials since they can achieve different mechanical properties by tuning the topology of the microstructure. A novel lattice structure is constructed by Rotating triangles Translated out of plane and Splicing each other (RTS) inspired by the topology strategies of rotating and intertwining. The bending defect in the translational
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Quasistatic strain fields in normally- and tangentially-loaded elastomeric rollers under impending slip Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-28 Nehemiah Mork, Milosz K. Rajchel, Michael Varenberg, Antonia Antoniou, Michael J. Leamy
Elastomeric rollers are important components in applications such as printing and roll-to-roll manufacturing. To gain insight into roller mechanics and provide a basis for further investigations into dynamic rolling problems where rolling instabilities may arise, we employ a specially-designed apparatus to obtain displacement and strain fields via digital image correlation (DIC) under applied loads
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Intelligent design and buckling experiment of curvilinearly stiffened thin-walled structures Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-27 Peng Hao, Kunpeng Zhang, Dachuan Liu, Xiaobo Wang, Shaojun Feng, Bo Wang
Curvilinearly stiffened variable-stiffness structures offer excellent load-bearing capacities and design flexibility, particularly for thin-walled structures with cutouts. Nevertheless, the complex combination of numerous variables, buckling failure modes, and unclear load-carrying mechanisms present significant challenges to structural analysis and optimization. Hence, a unified characterization method
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Exploring novel mechanical metamaterials: Unravelling deformation mode coupling and size effects through second-order computational homogenisation Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-23 Wanderson F. dos Santos, Igor A. Rodrigues Lopes, Francisco M. Andrade Pires, Sergio P.B. Proença
Architected materials and mechanical metamaterials are known for their unique macroscopic properties and complex behaviour that often defy conventional continuum mechanics. Therefore, in this contribution, a recent multi-scale second-order computational homogenisation method (Dos Santos et al., 2023) is employed to explore these materials under finite strains. The approach combines a second gradient
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Homogenization of 3D laminated micro-structures including bending effects Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-23 İ, z, z, e, t, , Ö, z, d, e, m, i, r
In this paper, a homogenization method which captures intrinsic size effect associated with fiber diameter is revisited and adapted for three-dimensional laminated micro-structures. Based on a unit-cell composed of matrix and reinforcement layers, enhanced deformation gradients varying through the thickness, are introduced with the aid of an additional kinematic variable reflecting the difference between
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Computational study on the effect of anisotropy in the transversely isotropic elasticity of elastoplastic solids on depth-sensing indentation with a point-sharp indenter Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-21 Takashi Akatsu, Tatsuya Yamaguchi, Yutaka Shinoda, Fumihiro Wakai
This study investigated depth-sensing indentation via finite element simulation using a sharp-pointed indenter on elastoplastic solids (EPSs) with transversely isotropic elasticity (TIE). It aims to quantify the effect of elastic anisotropy on the relationship between the indentation load, , and the penetration depth of the indenter, , that is, the - curve. The anisotropy of both Young’s modulus,
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Corrigendum to “Homogenized elasticity and domain of linear elasticity of 2D architectured materials” [Int. J. Solids Struct. 269 (2023) 112185] Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-21 V. Jeanneau, C. Combescure, M.L.M. François
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Modulating adhesion strength in multi-ferroic composite materials: Insights from adhesive contact with arbitrary profile indenters Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-20 Fa Wu, Shaobin Zhang, Chun Li, Xiangyu Li
Adhesion control is a critical aspect of various applications, from industrial adhesion devices to the locomotion of insects on ceilings and walls. Multi-ferroic materials, which encompass mechanical, electrical, and magnetic properties, offer approaches for reversible adhesion control. This study presents a comprehensive theoretical framework for adhesive contact in multi-ferroic composite materials
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Wet adhesion on rough surfaces: A JKR model with thermodynamic considerations Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-16 Yi Sun, Zongda Xie, Peiying He, Guozhuang Xu, Xiufeng Wang
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Efficient computational homogenisation of 2D beams of heterogeneous elasticity using the patch scheme Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-15 Thien Tran-Duc, J.E. Bunder, A.J. Roberts
Modern ‘smart’ materials have complex heterogeneous microscale structure, often with unknown macroscale closure but one we need to realise for large scale engineering and science. The multiscale Equation-Free Patch Scheme empowers us to non-intrusively, efficiently, and accurately predict large scale, system level, solutions through computations on only small sparse patches of the given detailed microscale
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Interfacial crack-tip fields in beaded fiber composites Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-15 Min Xu, H. Daniel Wagner, Bingbing An
Beaded fiber composites represent ingenious design strategies capable of resolving the conflicts between strength and toughness in most engineering materials. Although intermittent beading holds great potential for improving mechanical properties, the underlying mechanisms responsible for strengthening and toughening of beaded fiber composites are largely unknown. In this study, we explore near-tip
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Synergistic effect of interface and agglomeration on Young's modulus of graphene-polymer nanocomposites Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-14 Jie Wang, Liangfei Gong, Shangbin Xi, Chao Li, Yu Su, Lina Yang
Filler agglomeration can severely hinder the stress transfer at the graphene-polymer interface, leading to deterioration of the interfacial properties and the overall mechanical performance of graphene nanocomposites. However, the correlation between the agglomeration and the interface effect was rarely investigated in the past. We hereby propose a novel and efficient approach to accurately obtain
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Size-dependence of fracture processes in intact rocks Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-13 A, l, e, k, s, a, n, d, e, r, , Z, u, b, e, l, e, w, i, c, z
In brittle heterogeneous materials, the ultimate stress carries information on the material’s load-bearing capacity and, for this reason, this stress is an important engineering quantity. However, this stress is just a point in the sequence of stress–strain responses, each of them reflects the current state of damage in the material. Initially, isolated cracks grow, sense each other, and form multiple
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Green’s functions for the isotropic planar relaxed micromorphic model — Concentrated force and concentrated couple Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-13 Panos Gourgiotis, Gianluca Rizzi, Peter Lewintan, Davide Bernardini, Adam Sky, Angela Madeo, Patrizio Neff
We derive the Green’s functions (concentrated force and couple in an infinite space) for the isotropic planar relaxed micromorphic model. Since the relaxed micromorphic model particularizes into the micro-stretch, Cosserat (micropolar), couple-stress, and linear elasticity model for certain choices of material parameters, we recover the fundamental solutions in all these cases.
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A size-dependent imperfect interface model for adhesively bonded joints considering strain gradient elasticity Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-12 Michele Serpilli, Raffaella Rizzoni, Frédéric Lebon, Maria Letizia Raffa, Reinaldo Rodríguez-Ramos
As the size of a layered assembly is reduced, the adhesive layer thickness correspondingly decreases from macro to micro scale. The influence of micro-scale adhesive layers becomes more pronounced, significantly changing the overall performance of the composite structure. This work proposes an original imperfect interface model simulating the behavior of a thin strain gradient elastic adhesive, embedded
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All-atom molecular dynamics simulations of nematic liquid crystal elastomers Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-12 Nanang Mahardika, Thomas Raistrick, L. Angela Mihai, Haoran Wang
Nematic liquid crystal elastomers (LCEs) are advanced materials known for their shape-changing capability in response to external stimuli such as heat, light, solvents and electromagnetic fields. This makes them excellent candidates for applications like soft robotics and energy harvesting. While studies on their physical behavior have shed light on the complex nonlinear mechanics of LCEs, investigations
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Crystal plasticity model for describing the work hardening of A5052-O sheets subjected to various loading paths Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-10 K, e, n, g, o, , Y, o, s, h, i, d, a
The Bauschinger effect, which refers to softening after strain reversal, significantly affects the springback simulation of stamped sheet metals. Therefore, a constitutive model that can describe this effect is required to perform accurate springback simulations. This study developed a crystal plasticity model that accurately reproduces the Bauschinger and cross effects of aluminum alloy sheets. The
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Semi-analytical solution to elastic–plastic contact-impact between a 316 stainless steel rod with truncated cone nose and rigid flat Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-09 Yifan Wang, Tao Wang, Xuan Ye
When subjected to impacts, rods suffer local large deformation and global vibrational deformation along with abrupt kinematic and mechanical response changes. Studies on the responses during impact are beneficial to structural health monitoring. In this study, both kinds of deformation of rods with truncated-cone noses were investigated. A semi-analytical solution describing the vibrational responses
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Revealing the unusual rate-dependent mechanical behaviors of nematic liquid crystal elastomers Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-09 Christopher Chung, Chaoqian Luo, Christopher M. Yakacki, Bo Song, Kevin Long, Kai Yu
Liquid crystal elastomers (LCEs) exhibit unique mechanical properties of soft elasticity and enhanced energy dissipation with rate dependency. They are potentially transformative materials for applications in mechanical impact mitigation and vibration isolation. However, previous studies have primarily focused on the mechanics of LCEs under equilibrium and quasistatic loading conditions. Critical knowledge
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Self-consistent approximations for the frictionless paraboloidal and conical depth-sensing indentation: The generalized bottom effect Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-09 Ivan Argatov, Xiaoqing Jin
The axisymmetric frictionless indentation problem for a linearly-elastic layered medium is considered in the special cases of paraboloidal and conical indenters. A particular focus is placed on incorporating the general substrate effect into the force–displacement relation that is used in the inverse analysis of the depth-sensing indentation curves. A unified analytical modeling approach is developed
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GLARE laminate subjected to multiple oblique low velocity impacts considering frictional tangential compliance Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-08 Sasanka Kakati, Debabrata Chakraborty
The impacts occurring in real scenarios can be arbitrary, simultaneously impacting at different trajectories, giving rise to complexity in analysing the impact phenomena. This necessitates the implementation of a robust numerical finite element (FE) model capable of modelling such multiple impacts. The present paper investigates the multiple oblique low velocity impacts (OLVIs) on a clamped GLARE plate
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Experimental evaluation of elastic shear components for masonry in a Cosserat Continuum Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-08 Nandini Priya Thatikonda, Daniele Baraldi, Giosuè Boscato, Antonella Cecchi
The current research proposes an experimental methodology to evaluate masonry pure shear components, with a particular focus on the validation of the Cosserat or micropolar model by adopting small-scale specimens. The Cosserat continuum model’s ability to represent rich media or textures is well-defined in the literature and ideal for characterizing anisotropic materials such as masonry. The experimental
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Frictional contact multi-point constraint in two dimensions Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-07 S. Hamed Ebrahimi, Timon Rabczuk, P. Areias
Node-to-Segment slideline frictional contact formulation as one of the simplest penalty-based contact algorithms could be further simplified to a general Multi-Point Constraint formulation. This effective MPC formulation is proposed in this paper.
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In-plane compression of bi-laterally confined layered structure: Plastic model and parametric study Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-06 Pengfei Ying, Wenxuan Shen, Zhice Niu, Yong Xia
Discrete layered structures are commonly used in various functional configurations, such as power batteries. However, the mechanical behavior of the discrete layered structure in the in-plane direction is not well understood due to the complexity of inter-layer interactions. In this study, we investigated the behavior of layered structure under in-plane compression with fixed boundary conditions using
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Ultra-long-range force transmission in fiber networks enabled by multiaxial mechanical coupling Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-06 Jingnan Liu, Mengyuan Wang, Chao Xue, Hongfa Wang, Hailong Wang
Force transmission in the extracellular matrix is crucial for cellular mechanosensing. This transmission is influenced by factors such as tension–compression asymmetric stiffness and the fiber alignment of fibrous materials. However, the role of the anomalous Poisson’s ratio, intrinsic to fibrous materials, in force transmission remains underexplored. In this study, we utilize discrete fiber network
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The peculiar SMart-Time XB approach for delamination growth prediction and its evolution towards fatigue investigations Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-03 Angela Russo, Concetta Palumbo, Andrea Sellitto, Aniello Riccio
This paper deals with the Smart Time XB (SMXB) procedure, a parametric 3D methodology to simulate the delamination evolution in composite structures. The SMXB method has been developed almost ten years ago and, over time, has been improved with new features to become a forefront method compared with the state of the art. The SMXB is based on the Virtual Crack Closure Technique, which is nowadays implemented
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Winding and unwinding a pipe with lüders bands on a reel part I: Analysis of base case Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-28 Weihan Zhang, Stelios Kyriakides
Experiments and analyses have demonstrated that under bending tubes with Lüders bands develop localized diamond-shaped patterns of inclined bands of higher strain on both the tensioned and compressed sides. The banding is progressive, accompanied by a sharp change in curvature and ovalization that can lead to collapse. When the pipe is wound onto a large diameter reel, in order for the line to conform
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Persson’s theory of purely normal elastic rough surface contact: A tutorial based on stochastic process theory Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-29 Yang Xu, Xiaobao Li, Qi Chen, Yunong Zhou
Persson’s theory of purely normal rough surface contact was developed two decades ago during the study of tire–road interaction, and gradually became one of the dominant approaches to study the solid–solid interaction between rough surfaces. Contrary to its popular applications in various cross-disciplinary fields, the fundamental study of Persson’s theory of contact attracted little attention from
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MPNN based graph networks as learnable physics engines for deformation and crack propagation in solid mechanics Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-02 Xiao-Ping Zhou, Kai Feng
In this paper, the message passage neural networks (MPNN) based graph networks is proposed for learning and prediction of boundary loading problem in solid mechanics. As a learnable physics engine, the proposed model is designed to learn from historical data to understand the rules of the physical system behind the data, and then to make predictions. By learning the historical displacement field sampling
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Experimental analysis and multi-scale simulation of the fracture behavior of polymer-bonded explosives based on the dynamic notched semi-circular bend method Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-01 Youcai Xiao, Qiao Zhang, Tianyuan Gong, Yu Zou, Yong Han, Yi Sun
Polymer-bonded explosives (PBXs) are extensively utilized in both military and civilian applications. Therefore, an accurate measurement of their dynamic fracture properties is critical for ensuring the safety and stability in engineering applications. In this study, a split Hopkinson pressure bar (SHPB) loading system is utilized to conduct dynamic fracture tests on a notched semi-circular bend (NSCB)
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A strain-gradient elastic theory for special Cosserat rods Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-01 Vipin Kumar Yadav, Prakhar Gupta
Micro-and nano-rods have been identified for various applications in actuators, sensors, and energy harvesters. This paper develops a general framework for micro-and nano-rods based on the one-dimensional strain-gradient theory for special Cosserat rods that considers large displacement and rotation of the cross section, chirality, and size effects. Initially, we obtain the linear momentum balance
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A deep difference collocation method and its application in elasticity problems Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-02-01 Z.M. Huang, L.X. Peng
Based on the coordinate transformation and difference scheme, a deep difference collocation method (DDCM) that solves the partial differential equations (PDEs) via a square domain is proposed in this paper. In most of deep learning-based methods such as physics-informed neural networks (PINNs), boundary losses and calculation of the items of PDEs in a physical domain using automatic differentiation
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Micro-mechanical modeling of semi-crystalline polymers: A review Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-26 Mohsen Mirkhalaf, Rahele Vadizadeh
Highly heterogeneous and complex micro-structure of semi-crystalline polymers challenges accurate prediction of their macroscopic behavior. Micro-mechanical models establish a relationship between the micro-structure and macroscopic properties (structure–property relationship), and are able of predicting not only the macro-scale behavior, but also the evolution of the micro-structure. Therefore, micro-mechanical
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Dynamic response and wave motion of a periodically supported beam under an ultra-high-speed load: Wave dispersion and critical velocities Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-30 Tao Lu, Shuxuan Yuan, Tianyu Wang, Xiang Liu, Ping Wang, Rong Chen
Vacuum tube transportation system is an attractive transportation mode due to the ultra-high-speed (over 1000 km/h) it can reach. Most vacuum tube transportation systems, e.g., the Hyperloop operate in elevated tube structure on periodical supports. When the speed of the vehicle reaches certain critical values, the periodical supporting structure experiences resonance-like response whose vibrational
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Winding and unwinding a pipe with Lüders bands on a reel. Part II: Effect of problem parameters Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-29 Weihan Zhang, Stelios Kyriakides
The main features of the mechanical behavior of a pipeline with Lüders bands wound/unwound repeatedly on a large diameter reel have been studied in detail in Part I for a particular pipe geometry, material properties, reel radius and back tension. Part II investigates how the complex behavior revealed and its degrading effects are affected by the parameters of the process. The extent of the Lüders
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Adhesive contact mechanics of viscoelastic materials Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-26 C. Mandriota, N. Menga, G. Carbone
In this study, we propose a theory of rough adhesive contact of viscoelastic materials in steady-state sliding. By exploiting a boundary formulation based on Green’s function approach, the unknown contact domain is calculated by enforcing the local energy balance at the contact edge, thus considering also the non-conservative work of internal stresses which is directly related to the odd part of the
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Crushing of a closed-cell polymeric foam under triaxial loading Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-27 Joe W. Skeens, Stelios Kyriakides
The crushing behavior of a polymeric closed-cell foam with a relative density of 0.077 under combined axial compression and external pressure is investigated experimentally. The foam has a nearly monodisperse polyhedral microstructure with mean cell size and wall thickness of 0.50 mm and 0.0348 mm respectively. A custom triaxial apparatus is used to compress cylindrical specimens at different levels
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Indentation responses of piezoelectric semiconductors Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-26 Shijing Gao, Zeran Zhang, Guoquan Nie, Jinxi Liu, Weiqiu Chen
In this paper, the indentation responses of a piezoelectric semiconductor (PSC) half-space by an insulating and rigid spherical indenter are investigated. It is assumed that the contact area between the indenter and the PSC is frictionless. Based on the Hankel integral transformation, the considered indentation problem is reduced to a pair of dual integral equations. Due to the complexity of the coupled
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M-Voronoi and other random open and closed-cell elasto-plastic cellular materials: Geometry generation and numerical study at small and large strains Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-20 Z. Hooshmand-Ahoor, H. Luo, K. Danas
The present study deals with a numerical design strategy of a novel class of three-dimensional random Voronoi-type geometries, called M-Voronoi. These materials comprise random, non-quadratic convex void shapes and non-uniform intervoid ligament thicknesses, and can span high-to-low relative densities. The starting point for their generation is a random adsorption algorithm (RSA) construction with
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Higher-Order Shear Deformation Theory for Accurate Prediction of Vibration Behavior of Thick Piezoelectric Disks and Design of Efficient Surface Electrodes Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-24 Ming Ji, Jia-Jin Zhong, Yi-Chuang Wu
A modified higher-order shear deformation plate theory (MHSDT) is proposed to predict the resonance frequencies and related mode shapes of piezoelectric disks of various thicknesses. The theory explicitly accounts for the effects of the electrical potential on the displacement of the disk. The equations of motion for the disk are derived using Hamilton's principle in conjunction with a variational
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Voltage-controlled non-axisymmetric vibrations of soft electro-active tubes with strain-stiffening effect Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-23 Fangzhou Zhu, Bin Wu, Michel Destrade, Huiming Wang, Ronghao Bao, Weiqiu Chen
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Meso-structural optimization design of multifarious and complex fabric rubber composite structure Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-24 Yifeng Dong, Yutong Fu, Daining Fang
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Numerical and experimental analysis of inelastic and rate-dependent buckling of thin injection-moulded high-density polyethylene structure Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-20 Martin Kroon, Eskil Andreasson, Viktor Petersson, Elin Persson Jutemar
Semi-crystalline polymers is an important group of materials that is used in a vast array of products. In this study, the rate-dependent properties of high-density polyethylene (HDPE) are investigated, both experimentally and theoretically. Experimental compression testing of a three-dimensional HDPE structure is performed and analysed numerically by use of the finite element method. In addition, an
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Sub-preferential rotational wave beaming in structurally rhombus re-entrant honeycombs Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-17 ZhiWei Zhu, ZiChen Deng
Rotational waves frequently manifest in micro-structured materials and are often coupled with classical shear or longitudinal wave modes. In this study, a distinctive isolated optical branch, exhibiting very high polarization index related to joint rotation motion, is found in dispersion diagram of elastic wave propagation in structurally rhombus re-entrant honeycomb (SSRH). Through an analysis of
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Non-contact electromagnetic controlled metamaterial beams for low-frequency vibration suppression Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-18 Yu Sun, Haokai Zheng, Qiang Han, Chunlei Li
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A unified pseudo-elastic model of continuous and discontinuous softening in the finite deformation of isotropic soft solids Int. J. Solids Struct. (IF 3.6) Pub Date : 2024-01-20 Afshin Anssari-Benam, Mokarram Hossain
Building on a recently devised approach of hyperelasticity with intrinsic softening, a new framework for capturing both continuous and discontinuous softening in the finite deformation of isotropic incompressible elastomers is considered here. The continuous and discontinuous softening effects of interest pertain to the loading and unloading paths, respectively, and the model is developed within the