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Quantification of the redundancy distribution in truss and beam structures Int. J. Solids Struct. (IF 3.213) Pub Date : 20201211
Malte von Scheven; Ekkehard Ramm; Manfred BischoffThe degree of statical indeterminacy as a fundamental property in structural mechanics is today mainly known as a property of a complete system without any information about its spatial distribution. The redundancy matrix provides information about the distribution of statical indeterminacy in the system and by this gives an additional valuable insight into the loadbearing behaviour. The derivation

Buckling of ultrastretchable kirigami metastructures for mechanical programmability and energy harvesting Int. J. Solids Struct. (IF 3.213) Pub Date : 20201231
Yafei Wang; Changguo WangMetastructures based on kirigami (the Japanese art of paper folding and cutting) have great potential for applications in stretchable electronics, bioprobes, and controllable optical and thermal devices. However, a theoretical framework for understanding the physics of their buckling behavior and to facilitate the search for ultrahigh stretchability has yet to be developed. Here, we present such a

Stressinduced transition from vacancy annihilation to void nucleation near microcracks Int. J. Solids Struct. (IF 3.213) Pub Date : 20201231
Patrick D. Zarnas; Brad L. Boyce; Jianmin Qu; Rémi Dingreville 
Effect of randomly distributed voids on effective linear and nonlinear elastic properties of isotropic materials Int. J. Solids Struct. (IF 3.213) Pub Date : 20210113
James Vidler; Andrei Kotousov; ChingTai NgThis study utilises a thirdorder expansion of the strain energy density function and finite strain elastic theory to derive an analytical solution for an isolated, spherical void subjected to axisymmetric loading conditions. The solution has been validated with previously published results for incompressible materials and hydrostatic loading. Using this new solution and a homogenisation methodology

Stiffness degradation of symmetric laminates with offaxis cracks and delamination: an analytical model Int. J. Solids Struct. (IF 3.213) Pub Date : 20201218
P.A. Carraro; L. Maragoni; M. QuaresiminDelamination is one of the main mechanisms involved in the fatigue damage evolution in multidirectional laminates made of unidirectional plies. Typically, delamination is induced by offaxis cracks, the tips of which terminate at the interface with the adjacent layers. One of the consequences of the presence of delamination is the degradation of the apparent laminate stiffness. In this work, an analytical

Effect of uniaxial loading direction on mechanical responses and texture evolution in cold pilgered Zircaloy4 tube: Experiments and modeling Int. J. Solids Struct. (IF 3.213) Pub Date : 20201231
Siying Deng; Hongwu Song; Huan Liu; ShiHong ZhangMechanical responses of cold pilgered Zircaloy4 (Zr4) tubes are measured under different uniaxial (tension/compression) loading directions. Tensile tests were carried out along three directions: rolling direction (RD), transverse direction (TD) and 45° to the rolling direction (45RD) at quasi static strain rate. Compression test was also performed in the RD. Texture was characterized at intermediate

Nonlinear dynamic simulation of cable based structures interacting with sliding objects using the concept of macro element. Int. J. Solids Struct. (IF 3.213) Pub Date : 20210110
D. Bertrand; S. Grange; F. Bourrier; T. LangladeThis paper presents the formulation of a finite element enclosing a specific internal mechanical equilibrium in order to model cablebased structures in dynamics conditions. It is based on the concept of macro finite element which allows embedding complex mechanical systems solved inside the element boundaries. A significant advantage is to allow an easy implementation within classical commercial codes

Extension of 1D linear stability analysis based on the Bridgman assumption. Applications to the dynamic stretching of a plate and expansion of a ring. Int. J. Solids Struct. (IF 3.213) Pub Date : 20210110
M. Xavier; S. Mercier; C. Czarnota; S. El Mai; D. Jouve; J.L. Dequiedt; A. MolinariThe analysis of multiple necking phenomenon during dynamic stretching of a metallic plate is investigated. For that purpose, a new 1D linear stability analysis is proposed to capture the perturbation evolution. The multidimensional aspect of the stress field within the neck region is taken into account with a Bridgman correction factor. The novelty of the 1D approach is to let the time evolution of

Theoretical characterization of the temperature dependence of the contact mechanical properties of the particulatereinforced ultrahigh temperature ceramic matrix composites in Hertzian contact Int. J. Solids Struct. (IF 3.213) Pub Date : 20210108
Ruzhuan Wang; Shu Wang; Dingyu Li; An Xing; Jun Zhang; Weiguo Li; Chuanzeng ZhangThe novel theoretical models for the temperature dependence of the contact mechanical properties of the particulate composites in Hertzian contact are proposed in this paper, based on an assumption of the temperatureindependent constant energy storage capacity for a specific brittle particulate composite, associating with the material yielding, and the theory of Hertzian contact. The yield stress

Postwrinkling behaviors of a bilayer on a soft substrate Int. J. Solids Struct. (IF 3.213) Pub Date : 20210108
Youlong Chen; Xiangbiao Liao; Wei Zhao; Pengfei Yang; Hang Xiao; Yilun Liu; Xi ChenThe instability behavior of a compressive bilayer on a soft substrate is of significance for epidermal electronics adhered to human skin. Conventionally, two different wrinkling modes dependent of the modulus of intermediate layer were proposed to evolve from flat feature. Here, we uncover a new periodic pattern of secondary wrinkling feature with further compression in the case of a moderatemodulus

Band gap enhancement in periodic frames using hierarchical structures Int. J. Solids Struct. (IF 3.213) Pub Date : 20210107
Vinícius F. Dal Poggetto; Federico Bosia; Marco Miniaci; Nicola M. Pugno 
Singularity Analysis of Cracks in Hybrid CNT Reinforced Carbon Fiber Composites using Finite Element Asymptotic Expansion and XFEM Int. J. Solids Struct. (IF 3.213) Pub Date : 20210107
S. Hamed EbrahimiThe configuration of a crack with respect to the multimaterial fiber reinforced composite joint determines the order of singularity of the stress solutions reproduced around the cracktip. These solutions for different configurations of crack are obtained for carbon nanotube (CNT) reinforced CFRP composite using an innovative finite element asymptotic analysis. Microcracks aligned with CNTs covered

Fatigue on shape memory alloys: Experimental observations and constitutive modeling Int. J. Solids Struct. (IF 3.213) Pub Date : 20201125
Vanderson M. Dornelas; Sergio A. Oliveira; Marcelo A. Savi; Pedro Manuel Calas Lopes Pacheco; Luis Felipe G. de SouzaThis paper deals with the fatigue of shape memory alloys considering both experimental and theoretical approaches. Initially, experimental tests are performed considering NiTi pseudoelastic wires subjected to different load conditions. Functional and structural fatigue are investigated considering situations related to phase transformations and plastic behavior. Afterward, experimental macroscopic

Experimental pathfollowing of equilibria using Newton’s method. Part II: Applications and outlook Int. J. Solids Struct. (IF 3.213) Pub Date : 20201211
J. Shen; R.M.J. Groh; M. Schenk; A. PirreraIn Part I of this paper, a quasistatic experimental pathfollowing method was developed that uses tangent quantities in a feedback controller, based on Newton’s method. The ability to compute an experimental tangent stiffness opens the door to more advanced pathfollowing techniques. Here, we extend the experimental pathfollowing method to: (i) pinpointing of critical points (limit and branching

Thermalelectricelastic analyses of a thermoelectric material containing two circular holes Int. J. Solids Struct. (IF 3.213) Pub Date : 20210105
Kun Song; Deshun Yin; Peter SchiavoneWe investigate the thermalelectricelastic fields around two circular holes in a thermoelectric material. Solutions describing electric, thermal and elastic fields are obtained via complex variable and numerical methods. Our results show that the presence of the holes has the same effect on the effective electric and thermal conductivities but no effect whatsoever on the effective Seebeck coefficient

Thermal barrier coatings failure mechanism during the interfacial oxidation process under the interaction between interface by cohesive zone model and brittle fracture by phasefield Int. J. Solids Struct. (IF 3.213) Pub Date : 20201231
Q.Q. Zhou; L. Yang; C. Luo; F.W. Chen; Y.C. Zhou; Y.G. WeiFailure of Thermal barrier coatings (TBCs) caused by interface oxidation directly determines the ultimate durability of TBCs. The interfacial delamination and brittle fracture will cooccur during the interface oxidation of the TBCs. To study the interaction between the two failure modes, we develop a thermodynamicallyconsistent coupling framework combining the phasefield model of the brittle fracture

A variationally consistent formulation of the thermomechanically coupled problem with nonassociative viscoplasticity for glassy amorphous polymers Int. J. Solids Struct. (IF 3.213) Pub Date : 20201216
Seishiro Matsubara; Kenjiro TeradaThis study presents a variationally consistent formulation of the thermomechanically coupled problem with nonassociative viscoplasticity for glassy amorphous polymers. First, the decomposition of the equivalent plastic strain is carried out to derive the variational consistent evolution law of the shear yield strength with reference to the analogous approach taken for formulating the ArmstrongFrederick

Unraveling interactions of resonances for tunable low frequency bandgap in multiphase metamaterials under applied deformation Int. J. Solids Struct. (IF 3.213) Pub Date : 20201210
Nitish Kumar; Siladitya PalMetamaterial with various degrees of bandgap tunability is an emerging area in manipulating elastic wave transmission characteristics for next generation phononic devices. Although several attempts are made employing multifields such as magnetic, electric and thermal etc., mechanical deformation based tunable bandgap is a major interest. However, achieving tunability in terms of broadening or terminating

Lightweight weftknitted tubular lattice composite for energy absorption applications: An experimental and numerical study Int. J. Solids Struct. (IF 3.213) Pub Date : 20201230
Mahdi Hajjari; Reza Jafari Nedoushan; Tohid Dastan; Mohammad Sheikhzadeh; WoongRyeol YuStrong, lightweight structures are increasingly in demand for various engineering applications. Here we present a method to produce a lightweight lattice composite tube with hexagonal unit cells using a high production rate, textilebased method. A weft knitting process was employed for the first time to produce lattice preforms made of a common highperformance Eglass yarn. The lattice preforms were

Fracture behavior of additively printed ABS: Effects of print architecture and loading rate Int. J. Solids Struct. (IF 3.213) Pub Date : 20201130
John P. Isaac; Sivareddy Dondeti; Hareesh V. TippurAcrylonitrile Butadiene Styrene (ABS) is an inexpensive amorphous thermoplastic used for Additive Manufacturing (AM) of engineering parts. Fused Filament Fabrication (FFF) is commonly used to 3D print ABS, and it involves layerbylayer deposition of melted thermoplastic wire through a heated nozzle along predetermined paths. The individual layers can also be configured differently and could introduce

Nonlinear magnetoelectric effects of multiferroic composites Int. J. Solids Struct. (IF 3.213) Pub Date : 20201215
ZhiMing Hu; Yu Su; Jackie LiMagnetoelectric effect is one of the most important features in multiferroic composites which is absent in either ferromagnetic or ferroelectric composites. In this paper, a twolevel micromechanics model is developed to study the nonlinear magnetoelectric (ME) effects of multiferroic composites consisting both ferromagnetic (or magnetostrictive) and ferroelectric (or piezoelectric) materials. At

Strain rate sensitivity of hardness in indentation creep with conical and spherical indenters taking into consideration elastic deformations Int. J. Solids Struct. (IF 3.213) Pub Date : 20201218
Yousuf S. Mohammed; D.S. Stone; A.A. ElmustafaUsing finite element analysis and analytical modeling, we investigate the strain rate sensitivity of the hardness in indentation creep (mH) and the relationship between mH and the strain rate sensitivity of the flow stress, mσ, for cone (selfsimilar) and spherical (nonselfsimilar) indenters. The present mH/mσ results extend previous results (Elmustafa et al, 2007a, b) for cones in terms of a universal

A theoretical model for thermochemomechanically coupled problems considering plastic flow at large deformation and its application to metal oxidation Int. J. Solids Struct. (IF 3.213) Pub Date : 20201214
Bao Qin; Zheng ZhongA theoretical model for thermochemomechanically coupled problems considering plastic flow at large deformation is proposed, which can be applied to predict mechanical behavior of materials under thermal and chemical environments. Different from other models in literatures, the present model derives the driving forces in the case of large deformation for reaction and diffusion: the chemical affinity

Modeling and simulation of the nonequilibrium process for a continuous solid solution system in lithiumion batteries Int. J. Solids Struct. (IF 3.213) Pub Date : 20201210
Hongjiang Chen; HsiaoYing Shadow HuangThe capacity loss and cycling aging of lithiumion batteries at high (dis)charging rate (Crate) hinders the development of emerging technologies. To improve the performance of Liion batteries, it is important to understand the coupling effect of the mechanical behaviors and the electrochemical response of electrodes, as the capacity loss and cycling aging are related to the mechanics of electrodes

Influence of crystallographic orientation on the void growth at the grain boundaries in bicrystals Int. J. Solids Struct. (IF 3.213) Pub Date : 20201210
Manjunath Dakshinamurthy; Katarzyna KowalczykGajewska; Guadalupe VadilloVoid growth and morphology evolution in fcc bicrystals are investigated using crystal plasticity finite element method. For that purpose, representative volume element of bicrystals with a void at the grain boundary are considered in the analysis. Grain boundary is assumed initially perpendicular/coaxial with the straight sides of the cell. Fully periodic boundary conditions are prescribed in the

A variational asymmetric phasefield model of quasibrittle fracture: Energetic solutions and their computation. Int. J. Solids Struct. (IF 3.213) Pub Date : 20201223
Mariela Luege; Antonio OrlandoWe derive the variational formulation of a gradient damage model by applying the energetic formulation of rateindependent processes and obtain a regularized formulation of fracture. The model exhibits different behaviour at traction and compression and has a statedependent dissipation potential which induces a pathindependent work. We will show how such formulation provides the natural framework

New approach to testing shear in wood on structural scale. Int. J. Solids Struct. (IF 3.213) Pub Date : 20201130
Katarzyna Ostapska; Kjell Arne MaloThe double notched shear test specimen has been redesigned to test wood in structural component scale using a compression test setup. A parametric finite element method (FEM) study was performed to obtain the best specimen shape within a domain of geometrically feasible layouts. Several criteria of stress state assessment were considered to characterize the shear zone. Experiments employing DIC (Digital

The influence of a neighboring tunnel on the critical velocity of a threedimensional tunnelsoil system Int. J. Solids Struct. (IF 3.213) Pub Date : 20201201
Zonghao Yuan; Yuanqiang Cai; Honglei Sun; Li Shi; Xiaodong PanThis paper proposes an analytical solution for the calculation of vibrations from a twin tunnel embedded in a halfspace to assess the influence of a neighbouring tunnel on the groundborne vibrations due to underground railway traffic. Using the wave function method, the total wave field in a halfspace containing two cavities is expanded as the combination of downgoing plane waves from the free

Elastic wave propagation, scattering and localization in layered phononic crystals with arrays of striplike cracks Int. J. Solids Struct. (IF 3.213) Pub Date : 20201210
Mikhail V. Golub; Olga V. Doroshenko; Sergey I. Fomenko; Yanzheng Wang; Chuanzeng ZhangIn the present study, the scattering of plane elastic waves by multiple periodic arrays of interface striplike cracks is investigated. The boundaryvalue problem is solved using the boundary integral equation method. The convergence of the proposed method is demonstrated for both multiple cracks and multiple periodic arrays of cracks. It is shown that the introduction of periodic arrays of striplike

Experimental pathfollowing of equilibria using Newton’s method. Part I: Theory, modelling, experiments Int. J. Solids Struct. (IF 3.213) Pub Date : 20201207
J. Shen; R.M.J. Groh; M. Schenk; A. PirreraModern numerical pathfollowing techniques provide a comprehensive suite of computational tools to study the bifurcation behaviour of engineering structures. In contrast, experimental testing of loadbearing nonlinear structures is still performed using simple force control (dead loading) or displacement control (rigid loading). This means that established experimental methods cannot trace equilibrium

Form generation of rigid origami for approximation of a curved surface based on mechanical property of partially rigid frames Int. J. Solids Struct. (IF 3.213) Pub Date : 20201216
Kentaro Hayakawa; Makoto OhsakiA method is presented for approximating a curved surface by a developable rigid origami; a polyhedral shape which can be developed to a plane without deformation of its facets. Form generation starts from a triangulated surface, and an optimization problem is solved to obtain a polyhedron which satisfies the geometric conditions for developability. The degrees of freedom of a rigid origami mechanism

Localization of plastic deformation in stretching sheets with a crystal plasticity approach: Competition between weakest link and instable mode controlled process Int. J. Solids Struct. (IF 3.213) Pub Date : 20201130
J.L. Dequiedt; C. DenoualThe development of plastic strain localization in a stretching tantalum sheet in the form of necking under dynamic loading conditions was investigated by crystal plasticity simulation in the aim of evaluating the role of phenomena taking place at the scale of the material microstructure. Both equibiaxial and plane strain stretching have been computed and two grain sizes have been considered. As expected

Thermomechanical model for solidification and cooling simulation of Nibased superalloy components Int. J. Solids Struct. (IF 3.213) Pub Date : 20201215
C. Labergère; M. Long; H. Badreddine; NT. Niane; D. Grange; K. SaanouniOne of the challenges encountered in the industrialization of new singlecrystal superalloys parts (like highpressure turbine blades and vanes for aircraft engines) is to limit the mechanical stresses during the solidification and cooling of the metal. In order to accurately predict the viscoplastic flow as well as the thermomechanical behaviour of Nibased superalloy during its cooling, in this

Modelling on grain size dependent thermomechanical response of superelastic NiTi shape memory alloy Int. J. Solids Struct. (IF 3.213) Pub Date : 20201203
Dongjie Jiang; Yao XiaoTo describe the grain size dependence and rate dependence of superelastic NiTi, a constitutive model involving intrinsic material instability and thermomechanical coupling is proposed and implemented implicitly into finite element software. The material is regarded as a mixing of transformable phase and nontransformable phase. The thermodynamic driving force for martensitic transformation and the

Deep Draw Induced Wrinkling of Engineering Fabrics Int. J. Solids Struct. (IF 3.213) Pub Date : 20201210
Philip Harrison; Luis Gonzalez CamachoDeepdraw experiments are performed on both glass and carbon fabric both to better understand the origin of wrinkle growth during complex forming experiments and to assess the accuracy, robustness and computational cost of forming simulations of engineering fabrics. During experiments, the shape of the deformed blanks is digitised using two different noncontact measurement techniques (Structured Light

Shearwave manipulation by embedded soft devices Int. J. Solids Struct. (IF 3.213) Pub Date : 20201127
Linli Chen; Chao Ma; Shiheng Zhao; Pingping Zheng; Qian Zhao; Zheng ChangIn accordance with hyperelastic transformation theory, a range of shearwave manipulation devices can be designed with neoHookean materials predeformed properly. However, how such devices fit the background medium remains elusive. In this study, a systematic formula is developed in terms of elastic wave transmission and reflection between undeformed and predeformed hyperelastic materials. By both

Evolution and stability of tile detachment – Experiments and modeling Int. J. Solids Struct. (IF 3.213) Pub Date : 20201124
Shai Feldfogel; Oded RabinovitchDetachment of bonded tiles undermines the aesthetics, functionality, and safety of innumerable buildings worldwide. The platetype interfacial debonding mechanisms that are the root cause of tile detachments are difficult to observe and monitor because they are hidden by opaque external layers. This invisibility, together with the brittle nature of tile detachments, raises questions regarding the

An efficient multiscale computation of the macroscopic coefficient of thermal expansion: Application to the Resin Transfer Molding manufactured 3D woven composites Int. J. Solids Struct. (IF 3.213) Pub Date : 20201201
Anton Trofimov; Jeremy LePavic; Daniel Therriault; Martin LévesqueThis paper presents a simple and computationally efficient multiscale procedure to predict the macroscopic temperature dependent coefficient of thermal expansion (CTE) of any linearly thermoelastic material from isothermal mechanical simulations only. The approach relies on Levin’s demonstration that, in analytical homogenization, the effective coefficient of thermal expansion is related to the local

Variational multiscale method for fully coupled thermomechanical interface contact and debonding problems Int. J. Solids Struct. (IF 3.213) Pub Date : 20201026
Wan Wan; Pinlei ChenIn this study, a computational framework is proposed for thermomechanical contact and debonding problems with proper thermal resistance at the interface. Using the Variational Multiscale (VMS) framework, we present a fully coupled thermomechanical formulation with an explicit expression of the pressure at the contact interface. The formulation considers the quasistatic balance of the momentum and

Approximate expression of the Prandtl membrane analogy in linear elastic pure torsion of open thinwalled cross sections and regular polygons Int. J. Solids Struct. (IF 3.213) Pub Date : 20201124
L.M. GilMartín; A. Palomares; E. HernándezMontesThis paper presents a new general methodology to obtain an approximate analytical expression of the SaintVenant's torsion. The shear stress in each of the principal Cartesian directions is obtained by the derivation of the stress function, whose analytical expression is obtained from the Prandtl analogy. The proposed methodology uses two variables quadratic piecewise functions to define the Prandtl

Anisotropic Plasticity Model Forms for Extruded Al 7079: Part II, Validation Int. J. Solids Struct. (IF 3.213) Pub Date : 20201207
EMC Jones; E Corona; AR Jones; WM Scherzinger; SLB KramerThis is the second part of a twopart contribution on modeling of the anisotropic elasticplastic response of aluminum 7079 from an extruded tube. Part I focused on calibrating a suite of yield and hardening functions from tension test data; Part II concentrates on evaluating those calibrations. A rectangular validation specimen with a blind hole was designed to provide heterogeneous strain fields

A mixed inverse differential quadrature method for static analysis of constant and variablestiffness laminated beams based on HellingerReissner mixed variational formulation Int. J. Solids Struct. (IF 3.213) Pub Date : 20201123
Luan C. Trinh; Saheed O. Ojo; Rainer M.J. Groh; Paul M. WeaverIncreasing applications of laminated composite structures necessitate the development of equivalent single layer (ESL) models that can achieve similar accuracy but are more computationally efficient than 3D or layerwise models. Most ESL displacementbased models do not guarantee interfacial continuity of shear stresses within laminates. A possible remedy is the enforcement of interlaminar equilibrium

Ductile fracture under proportional and nonproportional multiaxial loading Int. J. Solids Struct. (IF 3.213) Pub Date : 20201124
Madhav Baral; Yannis P. Korkolis 
Electromechanical coupling and mass loading sensitivity of SH waves in a dielectrically imperfect piezoelectric structure Int. J. Solids Struct. (IF 3.213) Pub Date : 20201118
Anusree Ray; Abhishek K. Singh 
An isogeometric framework for the optimal design of variable stiffness shells undergoing large deformations Int. J. Solids Struct. (IF 3.213) Pub Date : 20201108
Francesco S. Liguori; Giovanni Zucco; Antonio Madeo; Giovanni Garcea; Leonardo Leonetti; Paul M. WeaverThe optimal design of the postbuckling response of variable angle tow composite structures is an important consideration for future lightweight, highperforming structures. Based on this premise, a new optimisation tool is presented for shelltype structures. The starting point is an isogeometric framework which uses NURBS interpolation functions to provide a smooth description of the deformed shapes

Prediction the stainless steel sheet fracture with mesh size effect for shell elements Int. J. Solids Struct. (IF 3.213) Pub Date : 20201124
Liang Wei; Fang Qin; Ke CuiThe application of ductile fracture criteria to shell elements yields invalid after the onset of necking and sensitivity to element size. The meshsize regularisation strain study indicates that fracture strain modified with element dimension results in the same stress state. This phenomenon can't be accurately explained by current strain based fracture models. To fill this gap, this paper proposed

Axisymmetric contact vibration analysis of a rigid spherical punch on a piezoelectric halfspace Int. J. Solids Struct. (IF 3.213) Pub Date : 20201203
Xin Lv; LiaoLiang Ke; Jie Su; JiaYong TianBased on the perturbation method, axisymmetric contact vibration of a rigid spherical punch on a piezoelectric halfspace is studied in this paper. It is assumed that the rigid punch is a perfect insulating body with zero electric charge distribution. A compressive force composed of a static force and a timeharmonic force is applied to the spherical punch normally on the top of the surface. The variable

Finitediscrete element modelling of sea ice sheet fracture Int. J. Solids Struct. (IF 3.213) Pub Date : 20201201
VillePekka Lilja; Arttu Polojärvi; Jukka Tuhkuri; Jani PaavilainenA rateindependent, decohesive damage model for the fracture modelling of large, cellular, platelike, quasibrittle structures is proposed. A hybrid, threedimensional finitediscrete element method to investigate sea ice sheet fracture is then introduced, followed by three applications. The uniaxial tensile fracture of an ice sheet of varying physical sizes is examined first. The effects of both

Extended meanfield homogenization of viscoelasticviscoplastic polymer composites undergoing hybrid progressive degradation induced by interface debonding and matrix ductile damage Int. J. Solids Struct. (IF 3.213) Pub Date : 20201121
Qiang Chen; George Chatzigeorgiou; Fodil MeraghniIn this contribution, a probabilistic micromechanics damage framework is presented to predict the macroscopic stress–strain response and progressive damage in unidirectional glassreinforced thermoplastic polymer composites. Motivated by different failure modes observed experimentally, the damage mechanism in the vicinity of the fibers (namely, the interphase) is characterized by initiating and growing

Anisotropic Plasticity Model Forms for Extruded Al 7079: Part I, Calibration Int. J. Solids Struct. (IF 3.213) Pub Date : 20201130
E Corona; SLB Kramer; WM Scherzinger; AR JonesThe choice of model form used to represent the anisotropic yield response of metals can depend strongly on the type and amount of data available for calibration. This twopart contribution considers the calibration (part I) of three yield functions: von Mises, Hill48 and Yld200418p by Barlat and coworkers. This is followed by model verification exercises (part II). The material used was a 7079 aluminum

Dimensionally reduced nonlinear solids with general loads and constitutive laws: theory and finite element formulation for rodlike bodies Int. J. Solids Struct. (IF 3.213) Pub Date : 20201129
Rafael CantónSánchez; Ignacio RomeroDimensionally reduced solids are formulated by linking the kinematics of a slender, rodlike body and a true, geometrically exact, rod. This link is enforced in such a way that the solid, where volumetric and surface loads can be applied, becomes slave of the rod, where the mechanical equilibrium is enforced. The model poses no limitations on the size of the deformations and displacements in either

Numerical modelling of climateinduced fracture and deformation in wood: Application to historical museum objects Int. J. Solids Struct. (IF 3.213) Pub Date : 20201129
R.A. Luimes; A.S.J. SuikerDamage in oak wood museum objects under indoor climate variations (relative humidity, temperature) is studied using a thermohygromechanical model. The model incorporates the effects of moisture sorption hysteresis and discrete cracking, and is implemented within a finite element framework using a staggered update procedure. Sorptin experiments were performed in order to calibrate the moisture sorption

Equivalent plate properties of composite corrugated structures using mechanics of structure genome Int. J. Solids Struct. (IF 3.213) Pub Date : 20201118
Ankit Deo; Wenbin YuEquivalent plate properties are obtained for composite corrugated structures using mechanics of structure genome. The method developed in this paper interprets the unit cell associated with the corrugated structure as an assembly of plates, and the overall strain energy density of the unit cell as a summation of the plate strain energies of these individual plates. Mechanics of structure genome is

An overstress elastoviscoplasticity model for high/low cyclic strain rates loading conditions: Part II – Numerical analyses Int. J. Solids Struct. (IF 3.213) Pub Date : 20201111
R. Fincato; S. TsutsumiThe present paper aims to show the ability of the extended overstress subloading surface EOSS theory to model the ratedependency of metallic materials subjected to different loading conditions. The numerical results were carried out by means of Finite Elements FE simulations reproducing pure creep, stress relaxation, monotonic tensile and cyclic loading conditions. A particular emphasis is given to

Commutativesymmetrical elasticplastic stretchtensor products and their rates Int. J. Solids Struct. (IF 3.213) Pub Date : 20201123
Klaus HeiduschkeThe commutativesymmetrical elasticplastic stretchtensor product and the multiplicative BilbyKrönerLee decompositions of a deformation gradient are compared to one another in particular with respect to the corresponding time derivatives and tensor rates. It turns out that these multiplicative deformationtensor models differ with respect to the elastic response just for a Lagrangean point of view

Rational design and characterization of lattice structures made from circulararc curved bars Int. J. Solids Struct. (IF 3.213) Pub Date : 20201110
Yutong Fu; Wei LiuIn this paper, a lattice structure whose mechanical properties can be systematically designed is presented using tailored subunit structures made from curved bars. First, the stiffness of circulararc curved bars is theoretically studied, and the effects of geometric parameters of the curved bars on the mechanical properties are analyzed. Second, subunit structures are designed based on the fractal

Adhesion between a rigid sphere and a stretched membrane using the Dugdale model Int. J. Solids Struct. (IF 3.213) Pub Date : 20201110
Weike Yuan; Gangfeng WangThis paper develops a simple theoretical model for the adhesive contact between a rigid sphere and a circular membrane radially stretched by constant tension. The adhesive stress between the surfaces in front of the contact edge is approximated by a constant value within a finite length. The mutual relations between net external force, contact radius, and contact displacement are obtained analytically

A comprehensive framework for multibody system analysis with clustered cables: examples of tensegrity structures Int. J. Solids Struct. (IF 3.213) Pub Date : 20201119
Ziyun Kan; Ningning Song; Haijun Peng; Biaosong Chen; Xueguan SongStructures with clustered cables are widespread in many engineering applications. Most existing works involving clustered cables are based on a finite element formulation and do not address cable friction. This paper presents a novel multibodybased methodology for the mechanical analysis of systems containing clustered cable elements. The generalized coordinates of the system are chosen as configurations

Hyperreduced arclength algorithm for stability analysis in elastoplasticity Int. J. Solids Struct. (IF 3.213) Pub Date : 20201026
H. Launay; J. Besson; D. Ryckelynck; F. WillotIn this article an “hyperreduced” scheme for the Crisfield’s algorithm (Crisfield, 1981) applied to buckling simulations and plastic instabilities is presented. The two linear systems and the ellipse equation entering the algorithm are projected on a reduced space and solved in a reduced integration domain, resulting in a system of “hyperreduced” equations. Use is made of the Gappy proper orthogonal

Analysis of wrinkled membrane structures using a Plane Stress projection procedure and the Dynamic Relaxation method Int. J. Solids Struct. (IF 3.213) Pub Date : 20201104
H. Le Meitour; G. Rio; H. Laurent; A.S. Lectez; P. GuigueDeployable membrane structures such as inflatable stratospheric balloons are known to be sensitive to the occurrence of local instabilities such as wrinkles. The wrinkling phenomenon affects the working performances of the membrane and the occurrence of this phenomenon has to be controlled numerically in order to predict the best means of deployment during the inflation of aerospace balloons. To improve