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Exact solutions for isothermal cyclic torsional loading of a circular SMA bar exploiting the shape memory effect Int. J. Solids Struct. (IF 3.213) Pub Date : 20210219
Enrico RadiTwo simple and fully analytical models are presented for a SMA bar or wire of circular cross section subjected to fullyreversed cyclic torsional loading, by taking into consideration the reorientation of the martensitic variants occurring during unloading and reverse loading. The process is assumed to take place at constant temperature between the start temperatures of the martensitic and austenitic

Loss of ellipticity analysis in nonsmooth plasticity Int. J. Solids Struct. (IF 3.213) Pub Date : 20210310
B. Staber, S. Forest, M. Al Kotob, M. Mazière, T. RoseThis work is concerned with the influence of nonsmooth yield functions on material instabilities. The loss of ellipticity condition is examined in the case of a family of nonsmooth yield functions in principal stress space. A procedure for the numerical detection of loss of ellipticity in multisurface plasticity is proposed. An explicit expression of the subdifferential of the nonsmooth yield function

Thermal cyclic behavior and lifetime prediction of selfhealing thermal barrier coatings Int. J. Solids Struct. (IF 3.213) Pub Date : 20210324
Jayaprakash Krishnasamy, Sathiskumar A. Ponnusami, Sergio Turteltaub, Sybrand van der ZwaagThe thermal cyclic behavior of selfhealing thermal barrier coatings (SHTBC) is analyzed numerically to develop a lifetime prediction model. Representative microstructures are studied adopting a unit cell based multiscale modeling approach along with a simplified evolution model for the thermallygrown oxide layer (TGO) to study the evolution of damage and healing in a selfhealing TBC system. The

Effect of plasticity on the coefficient of restitution of an elastoplastic sphere impacting an elastic plate Int. J. Solids Struct. (IF 3.213) Pub Date : 20210326
Q. Peng, Y. Jin, X. Liu, Y.G. Wei 
A unified approach to the Timoshenko 3D beamcolumn element tangent stiffness matrix considering higherorder terms in the strain tensor and large rotations Int. J. Solids Struct. (IF 3.213) Pub Date : 20210304
Marcos Antonio Campos Rodrigues, Rodrigo Bird Burgos, Luiz Fernando MarthaA structural geometric nonlinear analysis using the finite element method (FEM) depends on the consideration of five aspects: the interpolation (shape) functions, the bending theory, the kinematic description, the strain–displacement relations, and the nonlinear solution scheme. As the FEM provides a numerical solution, the structure discretization has a great influence on the analysis response. However

A mechanistic analysis of delamination of elastic coatings from the surface of plastically deformed stents Int. J. Solids Struct. (IF 3.213) Pub Date : 20210408
É.Ó Máirtín, J. Concannon, G. Parry, J.P. McGarrySeveral medical papers have reported delamination of the coating from the stentsubstrate following intravascular deployment leading to adverse outcomes for patients. However, the mechanisms of delamination of such polymer coatings from the surface of a stent due to large deformations during device deployment have not been studied. In this paper, a novel and indepth investigation of the mechanisms

Mechanical Response of Mesoporous Amorphous NiTi Alloy to External Deformations Int. J. Solids Struct. (IF 3.213) Pub Date : 20210408
Bulat N. Galimzyanov, Anatolii V. Mokshin 
Modeling and analysis of inplane bending in fibrous reinforcements with rotationfree shell finite elements. Int. J. Solids Struct. (IF 3.213) Pub Date : 20210313
Quentin Steer, Julien Colmars, Naim Naouar, Philippe Boisse 
An Extended Linear Method to Evaluate the Viscoplastic Behavior of Boron Steel at Large Strain with Fullfield Measurements Int. J. Solids Struct. (IF 3.213) Pub Date : 20210406
Yongfeng Li, Shuhui Li, Yuan ChenThe reliable parameter identification method of the constitutive behavior under large strain conditions is essential for accurate simulation in the hot stamping and warmcutting process. In this paper, the linear stressstrain curve identification (LSSCI) method is extended to identify the viscoplastic behavior of boron steel at large strain based on the fullfield measurements in the Gleeble system

Improving predictions of amorphouscrystalline silicon interface velocity through alloyingdealloying reactions in lithiumion battery anode particles Int. J. Solids Struct. (IF 3.213) Pub Date : 20210406
Amit Bhowmick, Jeevanjyoti ChakrabortyAn improved mathematical model for the first lithiation of crystalline silicon is presented in the finite deformation framework. The crystallineamorphous silicon interface kinetics is modelled through an addition reaction while the lithiation in the growing amorphous zone is captured through a reactiondiffusion model, incorporating a reversible alloyingdealloying reaction (ADR). The entire lithium

A new concept for the representative directions method: Directionalisation of first and second invariant based hyperelastic models Int. J. Solids Struct. (IF 3.213) Pub Date : 20210311
A.B. Aydogdu, K. Loos, M. Johlitz, A. LionThe representative directions method is a continuum mechanical based practical approach to transfer 1D material models to 3D. The selection of the directional energy and the corresponding directional stress is generally based on the standard uniaxial tension (UT) solution of hyperelastic models. However, this approach results in a somewhat different model than hyperelastic models in the context of

Incremental variational homogenization of elastoplastic composites with isotropic and ArmstrongFrederick type nonlinear kinematic hardening Int. J. Solids Struct. (IF 3.213) Pub Date : 20210225
Antoine Lucchetta, François Auslender, Michel Bornert, Djimédo KondoIn order to investigate the behavior of elastoplastic composites exhibiting both isotropic and nonlinear kinematic hardening, we extend the Double Incremental Variational (DIV) formulation of Lucchetta et al. (2019), based on both the incremental variational principles introduced by Lahellec and Suquet (2007) and the formulation proposed by Agoras et al. (2016). However, the ArmstrongFrederick model

Effective moduli of multiferroic fibrous composites with strain gradient and electromagnetic field gradient effects Int. J. Solids Struct. (IF 3.213) Pub Date : 20210310
HsinYi KuoThis paper studies the effective moduli of multiferroic fibrous composites with strain gradient and electromagnetic field gradient effects subjected to generalized antiplane shear deformation. Using the energy variational formulation and the generalized selfconsistent method, we can determine the effective moduli of the heterogeneous material. The derived solutions are then applied to a BaTiO3–CoFe2O4

Effects of coating on dynamic stress concentration in fiber reinforced composites Int. J. Solids Struct. (IF 3.213) Pub Date : 20210316
Xiangjun Peng, Wei He, Fengxian Xin, Guy M. Genin, Tian Jian LuFiber reinforced materials consisting of aligned fibers within a matrix are effective for applications in nature and engineering in which strength and stiffness are required in a dominant direction. The fibers are typically coated. Optimization of these materials is typically based upon choosing elastic properties of phases to reduce static stresses. However, materials with wellmatched moduli can

Surface stress of gold nanoparticles revisited Int. J. Solids Struct. (IF 3.213) Pub Date : 20210401
David Holec, Lukas Löfler, Gerald A. Zickler, Dieter Vollath, Franz Dieter Fischer 
Numerical homogenization of second gradient, linear elastic constitutive models for cubic 3D beamlattice metamaterials Int. J. Solids Struct. (IF 3.213) Pub Date : 20210401
Oliver WeegerGeneralized continuum mechanical theories such as second gradient elasticity can consider size and localization effects, which motivates their use for multiscale modeling of periodic lattice structures and metamaterials. For this purpose, a numerical homogenization method for computing the effective second gradient constitutive models of cubic lattice metamaterials in the infinitesimal deformation

Broad band gaps for flexural wave manipulation in plates with embedded periodic strip acoustic black holes Int. J. Solids Struct. (IF 3.213) Pub Date : 20210401
Jie Deng, Ling Zheng, Nansha GaoAcoustic black holes (ABHs) achieved by thinning structural thickness following a powerlaw profile have shown fantastic applications in vibration and noise suppression, energy harvesting, and wave manipulation. For the latter, many passband properties exemplified by selfcollimation, focusing, and birefraction, have been reported on metamaterial plates with embedded circular ABHs in periodic arrangement

On standard gradient plasticity and viscoplasticity Int. J. Solids Struct. (IF 3.213) Pub Date : 20210401
Nguyen Quoc SonThis paper is devoted to the standard theory of gradient plasticity and viscoplasticity, cf. Gudmundson (2004), Fleck and Willis (2009) and the quoted references. Wihin the framework of the generalized standard materials and the generalized principle of virtual work, our attention is focussed on the mathematical basis of the theory in order to underline the basic assumptions, general results and principal

Field statistics in linearized elastic and viscous composites and polycrystals Int. J. Solids Struct. (IF 3.213) Pub Date : 20210331
Shuvrangsu Das, Pedro Ponte CastañedaThis paper presents a general method to estimate the first and second moments of the stress and deformation fields in linearized elastic and viscous composites and polycrystals. The methodology can be seamlessly extended by means of the ‘linear comparison’ variational homogenization methods (Ponte Castañeda, 1991, 2016) to extract the corresponding field statistics in composites and polycrystals with

A linearelastic heuristicmolecular modelling for plane isotropic micropolar and auxetic materials Int. J. Solids Struct. (IF 3.213) Pub Date : 20210331
Siro CasoloA discrete Lagrangian approach is the basis for modelling the macroscale elastic response of a solid material, which can be homogeneous as well as a periodic composite. The basic topology is a square “heuristic molecule” that is an assemblage of four rigid bodies with a definite shape bonded by elastic springs. This is the minimum unit cell, UC, that contains all the macroscopic mechanical properties

Analysis and experiment of deformation and draping characteristics in hemisphere preforming for plain woven fabrics Int. J. Solids Struct. (IF 3.213) Pub Date : 20210330
Ming Mei, Yujia He, Xujing Yang, Kai WeiCurrently, the analytical analysis cannot describe the deformation and draping behavior in the hemisphere preforming for the plain woven fabric, especially considering the fabric deformation outside the hemisphere and the effect of the configuration parameters. Thus, an analytical analysis was established to characterize the sliding and shearing in the typical hemisphere preforming for the plain woven

Buckling behaviour of a stiff thin film on a finitethickness bilayer substrate Int. J. Solids Struct. (IF 3.213) Pub Date : 20210302
Haohao Bi, Bo Wang, Chao Su, Bohan Zhang, Huajiang Ouyang, Yongan Huang, Zichen DengIn engineering stretchable electronics, an intermediate layer between a thin stiff film and a substrate can enhance the adhesion of the film and modulate its buckling shape. Capturing buckling behaviour of the trilayer film/intermediate layer/substrate structure is essential for designing stretchable electronics. In this paper, considering the shear stress between the film and intermediate layer and

Mechanics of electrochemical strain microscopy: Computational simulations and experimental validations Int. J. Solids Struct. (IF 3.213) Pub Date : 20210313
Aolin Li, Dongliang Shan, Chihou Lei, Shuhong Xie, Kai Pan, Jiangyu Li, Yunya LiuIn the last decade, electrochemical strain microscopy (ESM) has emerged as a powerful tool to study electrochemical processes at the nanoscale, yet its quantitative analysis is quite challenging, involving complex electrochemomechanical coupling under highly concentrated electromechanical fields. In this work, we develop a theoretical framework of thermodynamics and kinetics for mobile ions in el

Continuum modeling of the nonlinear electrooptomechanical coupling and solid Fréedericksz transition in dielectric liquid crystal elastomers Int. J. Solids Struct. (IF 3.213) Pub Date : 20210309
Yiwei Xu, Yongzhong HuoBased on the variational principle, we derive the balance equation for momentum, Maxwell equation, and the equation of director fields for nonlinear electrooptomechanical coupling in dielectric liquid crystal elastomers (LCEs). Further, we establish a simple constitutive model to study the electricfieldinduced director reorientation with the deformation of monodomain nematic LCEs, which is called

Mechanics of active elastomeric surfaces with tunable adhesion for noncontact pickup and printing Int. J. Solids Struct. (IF 3.213) Pub Date : 20210309
Xiaofei Zhang, Changhong Linghu, Hongyu Luo, Jizhou SongTransfer printing is an emerging technique for deterministic assembly and integration of multiscale and classes of materials on desired substrates with great potential in developing advanced electronic systems. Theoretical mechanics models are developed for an active elastomeric adhesive with the focus on the unusual capabilities of noncontact pickup and printing. The active adhesive features cavities

Postbuckling of chiral elastic rings with intrinsic twist Int. J. Solids Struct. (IF 3.213) Pub Date : 20210327
Tuan M. HoangPostbuckling of inextensible rings made from chiral filaments with intrinsic twist is studied. We show that the critical amount of intrinsic twist at which chiral elastic rings buckle might be greater than that at which buckling would occur with no chirality, dependent on degree of chirality and twisttobend ratio. Moreover, increasing the twisting rigidity relative to the bending rigidity of the

Mean field interaction model accounting for the spatial distribution of inclusions in elasticviscoplastic composites Int. J. Solids Struct. (IF 3.213) Pub Date : 20210327
K. KowalczykGajewska, M. Majewski, S. Mercier, A. MolinariA cluster interaction model has been proposed to account for the spatial distribution and morphology of particles when estimating the effective properties of elastic and thermoelastic composites (Molinari & El Mouden, 1996). In the present paper this approach is extended to elasticviscoplastic composites. To this end the tangent linearization of the nonlinear viscoplastic law and the concept of additive

Mechanics of shrinkageswelling transition of microporous materials at the initial stage of adsorption Int. J. Solids Struct. (IF 3.213) Pub Date : 20210327
Mehdi EskandariGhadi, Yida ZhangThis work extends the recently developed surface poromechanics theory to explain the unusual contraction behaviour of some microporous materials at the early stage of adsorption. In micropores, the overlap of adsorbed layers near opposing solid walls can give rise to forces that are formerly disregarded in the analysis of macro/meso porous materials. The effect of these interactions is studied at the

The elastodynamic bimaterial interface under mode I and mode II loading Int. J. Solids Struct. (IF 3.213) Pub Date : 20210326
B. GurrutxagaLermaThis article provides the mathematical solutions to the elastodynamic fields of a semiinfinite interface lying along two dissimilar media subjected to sudden loading. The article offers the solution to the cases when: (1) the interface slips, i.e., it cannot transfer shear stress from one material to the other, which represents a Hertzian contact; (2) the interface is welded, i.e., all stress components

Arrest of a radial hydraulic fracture upon shutin of the injection Int. J. Solids Struct. (IF 3.213) Pub Date : 20210306
Andreas Möri, Brice LecampionWe investigate the propagation and arrest of a radial hydraulic fracture upon the end of the injection. Depending on the regime of propagation at the time of shutin of the injection, excess elastic energy may be stored in the surrounding medium. Once the injection has stopped, the hydraulic fracture will arrest when the energy release rate falls under the material fracture energy. Fluid leakingoff

Numerical implementation of a nonlocal GTN model for explicit FE simulation of ductile damage and fracture Int. J. Solids Struct. (IF 3.213) Pub Date : 20210310
Sondre Bergo, David Morin, Odd Sture HopperstadIn this study, we follow the work of Tvergaard and Needleman (1995, 1997) and Needleman and Tvergaard (1998) and present the numerical implementation and initial applications of a nonlocal GursonTvergaardNeedleman (GTN) model for explicit finite element (FE) analysis. The delocalization relates to the damage mechanism and is incorporated in terms of an integral condition on the rate of change of

A constitutive model of the dynamic shear modulus dependence on temperature, prestrain, dynamic strain amplitude and magnetic field for magnetosensitive elastomer Int. J. Solids Struct. (IF 3.213) Pub Date : 20210306
Jonas Lejon, Bochao Wang, Leif Kari 
Thermal buckling of thin injectionmolded FRP plates Int. J. Solids Struct. (IF 3.213) Pub Date : 20210304
A. Gualdi, A.A.F. van de Ven, J.J.M. SlotThe occurrence of buckling during cooling of an injectionmolded fiberreinforced plastic (FRP) object is a complex phenomenon which can result in unacceptably large deformations. The present work focuses on the thermal buckling of injectionmolded thin disks, as they are representative for the local behavior in parts of a more complex object. An analytical approach based on the Föpplvon Kármán theory

A new quasistatic delamination model with ratedependence in interface damage and its operation under cyclic loading Int. J. Solids Struct. (IF 3.213) Pub Date : 20210324
Roman VodičkaA computational model for analysis of interface damage is introduced. It provides results for initiation and growth of cracks along a damaged interface in a multidomain structure which is considered to be exposed to a periodically repeating load. First, the simulation of damage processes takes into account various possible relations between interface stresses and domain deformation leading to separation

Fully meshfree numerical analysis of nonlocal damage in voxelbased material models from microtomography Int. J. Solids Struct. (IF 3.213) Pub Date : 20210324
WeiJian Li, QiZhi ZhuImage processing techniques like Xray microtomography are nowadays extensively applied to reveal micro mechanisms behind macroscopic response of various media and also to reconstruct material microstructure for refined modelling and simulation of diverse properties. For the latter, robust numerical methods making direct use of material and microstructural information at voxels (material grids) and

Capturing the stress evolution in electrode materials that undergo phase transformations during electrochemical cycling Int. J. Solids Struct. (IF 3.213) Pub Date : 20210324
Bo Wang, Julien Réthoré, Katerina E. AifantisThe present work sheds light on the stresses generated in a spherical particle subjected to phase transformations during ioninsertion. In order to account for the physical process that occur during electrochemical cycling, the models used are those of small deformation and account for the effects of phase transformation, chemomechanical coupling and concentrationdependent material properties. The

A micromechanicalbased model of stimulus responsive liquid crystal elastomers Int. J. Solids Struct. (IF 3.213) Pub Date : 20210309
Roberto Brighenti, Connor G. McMahan, Mattia P. Cosma, Arda Kotikian, Jennifer A. Lewis, Chiara DaraioStimulus responsive elastomers are advanced engineered materials that perform desired functionalities when triggered by external stimuli. Liquid crystal elastomers (LCEs) are one important example that exhibit reversible actuation when cycled above and below their nematictoisotropic transition temperature. Here, we propose a micromechanicalbased model that is centered on the evolution of the chain

Extended stress gradient elastodynamics: Wave dispersion and micromacro identification of parameters Int. J. Solids Struct. (IF 3.213) Pub Date : 20210227
Logan Schwan, Nicolas Favrie, Régis Cottereau, Bruno LombardIn its original formulation by Forest & Sab (Math. Mech. Solids, 2017), stress gradient elastodynamics incorporate two innerlengths to account for size effects in continuum theory. Here, an extended onedimensional stress gradient model is developed by means of Lagrangian formalism, incorporating an additional innerlength and a fourthorder space derivative in the wave equation. Dispersive properties

Study on fracture behavior in stiffthinfilmonsoftsubstrate structures under biaxial stress state Int. J. Solids Struct. (IF 3.213) Pub Date : 20210309
Jun Li, Chuanwei Li, Linan Li, Qi Wang, Zhiyong Wang, Shibin Wang, Cuiru SunThe fracture behavior in stiffthinfilmonsoftsubstrate structures (STFSS) differs significantly from that in bulk materials, and has thus become a hot spot in solid mechanics and materials. Traditional research on the fracture mechanics in STFSS mostly focuses on the mechanical behavior under uniaxial stress state. However, in actual applications, STFSS is subjected to biaxial loading. In response

Bond thickness effect in mixedmode fracture and its significance to delamination resistance Int. J. Solids Struct. (IF 3.213) Pub Date : 20210310
Herzl ChaiThe fracture behavior of adhesively bonded joints is of interest in a variety of industrial, natural and biological applications. This effort reexamines literature data with an emphasis on thin bonds and their relation to delamination resistance. Brittle, ductile and particulate epoxy adhesives were considered with the bond thickness t varying from 1 to 1000 μm. The results shed new light on some

The effects of axisymmetric radial, circumferential and longitudinal eigenstrains on the traveling wave solution in a neoHookean cylindrical rod Int. J. Solids Struct. (IF 3.213) Pub Date : 20210304
Seyedemad Motaghian, Mohammad RahimianThis study deals with the impact of cylindrical eigenstrains on the traveling wave solutions of a neoHookean cylindrical rod. For this purpose, we consider an isotropic, incompressible neoHookean rod with the symmetrical distribution of radial, circumferential and longitudinal eigenstrains. To establish the momentum balance equations, we construct a Riemannian manifold as the reference configuration

Localised bifurcation in soft cylindrical tubes under axial stretching and surface tension Int. J. Solids Struct. (IF 3.213) Pub Date : 20210220
Dominic Emery, Yibin FuWe investigate localised bulging or necking in an incompressible, hyperelastic cylindrical tube under axial stretching and surface tension. Three cases are considered in which the tube is subjected to different constraints. In case 1 the inner and outer surfaces are tractionfree and under surface tension, whilst in cases 2 and 3 the inner and outer surfaces (respectively) are fixed to prevent radial

Micromechanical modeling of irreversible hygroscopic strain in paper sheets exposed to moisture cycles Int. J. Solids Struct. (IF 3.213) Pub Date : 20210318
P. Samantray, R.H.J. Peerlings, T.J. Massart, M.G.D. GeersPaper is a complex material consisting of a network of cellulose _bres at the microlevel. During manufacturing, the network is dried under restraint conditions due to tension in the paper web in machine direction. This gives rise to internal strains that are stored in the produced sheet. Upon exposure to a moisture cycle, these strains may be released. This results in permanent shrinkage that may

Stress analysis of finite dimensions bolted joints using the Airy stress function Int. J. Solids Struct. (IF 3.213) Pub Date : 20210318
M. NguyenHoang, W. BeckerBolted joints are often used for the connection of safetycritical parts in the aeronautical industry. However, drilling holes also means introducing stress concentrations and precise assessment tools are essential to design both safe and lightweight optimal structures. These tools can be based on analytical means providing efficient computation. That is why the present work is dedicated to determine

Gradientbased prestress and size optimization for the design of cable domes Int. J. Solids Struct. (IF 3.213) Pub Date : 20210318
Nicolo PolliniCable domes are cablestrut structural systems widely used as large span roofs of arenas, stadiums, and open spaces for their lightweight forms and aesthetic impact. We first recall the matrix theory for the static and kinematic analysis of pinjointed cablestrut structural assemblies. This theory is used to identify potential states of selfequilibrated prestress for a given structure, and to evaluate

Micromorphic approach to phaseField modeling of multivariant martensitic transformation with rateindependent dissipation Effects Int. J. Solids Struct. (IF 3.213) Pub Date : 20210318
Mohsen RezaeeHajidehi, Stanis law StupkiewiczA micromorphic formulation of the phasefield model of martensitic transformation is developed within the incremental energy minimization framework. In contrast to the conventional phasefield formulation, the order parameters are viewed as local variables and the corresponding evolution equations are solved at the materialpoint level, i.e. at the Gauss points in the finiteelement setting. From a

Growth induced instabilities in a circular hyperelastic plate Int. J. Solids Struct. (IF 3.213) Pub Date : 20210318
Sumit Mehta, Gangadharan Raju, Prashant SaxenaIn this work, we have explored growthinduced mechanical instability in an isotropic circular hyperelastic plate. Consistent twodimensional governing equations for a plate under a general finite strain are derived using a variational approach. The derived plate equations are solved using the compound matrix method for two cases of axisymmetric growth conditions { purely radial, and combined radial

Coupled model for crackmoisture interaction in brittle porous materials Int. J. Solids Struct. (IF 3.213) Pub Date : 20210317
J. Görtz, S. Wieprecht, K. TerheidenCracks have a major influence on the service life of brittle porous materials like concrete. Especially, the hydraulic properties within the cracked area are significantly changed compared to the uncracked material. Former research often focused exclusively on the prediction of the initiation and growth of cracks or on the moisture transport, while the coupling between the moisture transport and the

Physical differences between models of an infinitesimal crack at a Vnotch edge and a crack emanating from a Vnotch tip along with their approximate solutions Int. J. Solids Struct. (IF 3.213) Pub Date : 20210302
Benqiang Lou, Nigel BarltropExisting theoretical methods for solving the stress intensity factors (SIFs) of a cracked Vnotch plane are products of highly sophisticated mathematical analyses and are therefore, challenging for engineers to study, derive, and reproduce. Based on our extension of the dimensional analysis, or the 'geometry parameter method', we investigated a Vnotched edge of a semiinfinite plate with a crack at

Exploration of subsequent yield surfaces through unit cell simulations Int. J. Solids Struct. (IF 3.213) Pub Date : 20210218
Mayank Chouksey, Sumit BasuSubsequent yield surfaces of ductile solids, prestrained in shear and/or tension, exhibit various characteristic features that depend on the proof strain used to detect yield. These features include kinematic hardening when the proof strain denoting yield is low, isotropic hardening when it is high, formation of a ‘nose’ in the loading direction and flattening of the rear part of the yield surface

Mechanics analysis of ultrathin chip peeling from substrate under multineedleejecting and vacuumabsorbing Int. J. Solids Struct. (IF 3.213) Pub Date : 20210313
Chen Siyu, Lyu Wenhan, Wang Gang, Chen Ying, Ma Yinji, Feng XueChip peelingoff, mainly accomplished through the cooperation of needleejecting and vacuumabsorbing, plays a critical role in chip transferring process. However, there are few studies involving the quantification of process parameters, such as optimal needle position, needle force or displacement, to access to a reliable chip peeling. In this paper, optimization criteria for a high success rate of

Insitu investigation of dynamic failure in [05/903]s CFRP beams under quasistatic and lowvelocity impact loadings Int. J. Solids Struct. (IF 3.213) Pub Date : 20210206
Mirac Onur Bozkurt, Demirkan Coker 
A nonlocal damage approach compatible with dynamic explicit simulations and parallel computing Int. J. Solids Struct. (IF 3.213) Pub Date : 20210311
Valentin Davaze, Nicolas Vallino, Bertrand Langrand, Jacques Besson, Sylvia FeldPayetIn the automotive industry, crack prediction is an important step of the design: its accuracy is crucial to avoid additional development costs and delays. However, its simulation is not always reliable yet which could be explained by the use of too simple fracture criteria. A possible solution could be the improvement of the fracture behavior prediction through the use of coupled damage models. Unlike

Noncoaxial Plastic Flow of Granular Materials through Stress Probing Analysis Int. J. Solids Struct. (IF 3.213) Pub Date : 20210311
Mehdi Pouragha, Niels P. Kruyt, Richard WanThe current study investigates the noncoaxial plastic flow in granular media where the principal directions of incremental plastic strain differ from those of the current stress (and of the current fabric tensor). The stress probing technique is used with Discrete Element Method simulations to capture the plastic response of a 2D granular assembly to loading increments along different directions in

Phase field modeling of dielectric breakdown of ferroelectric polymers subjected to mechanical and electrical loadings Int. J. Solids Struct. (IF 3.213) Pub Date : 20210223
Zhang Mi, Yong Zhang, Xu Hou, Jie WangFerroelectric polymers have attracted increasing attention due to their distinguished dielectric and piezoelectric properties. Dielectric breakdown is one of the main failure behaviors for ferroelectric polymers. Understanding dielectric breakdown of ferroelectric polymers under mechanical and electrical loadings is crucial to their applications in energy storage and conversion devices with highenergydensity

Determination of the mode I crack tip opening rate and the rate dependent cohesive properties for structural adhesive joints using digital image correlation Int. J. Solids Struct. (IF 3.213) Pub Date : 20210209
Fengzhen Sun, Ruoyu Zhang, Bamber R.K. BlackmanThe present work addresses two key issues relating to the study of rate effects in adhesively bonded joints. Firstly, the accurate determination of the crack tip strain rate and secondly the accurate determination of cohesive zone length. The ratedependent fracture behaviour of adhesive joints bonded with either a toughened epoxy or a ductile polyurethane adhesive was investigated under mode I loading

Modeling of cracks in twodimensional elastic bodies by coupling the boundary element method with peridynamics Int. J. Solids Struct. (IF 3.213) Pub Date : 20210211
Yang Yang, Yijun LiuA multiscale method based on a combination of the boundary element method (BEM) and peridynamics (PD) was developed to model crack propagation problems in twodimensional (2D) elastic bodies. The special feature of this method is that it can take full advantage of both the BEM and PD to achieve a higher level of computational efficiency. Based on the scale of the structure and the crack location,

Chemomechanical modeling of static fatigue of high density polyethylene in bleach solution Int. J. Solids Struct. (IF 3.213) Pub Date : 20210212
Anu Tripathi, Susan Mantell, JiaLiang LeHigh density polyethylene (HDPE) is increasingly used in infrastructure applications with a design service lifetime of several decades. In many cases, the HDPE member is exposed to a corrosive environment, such as in pipes carrying potable water, where the dissolved bleach selectively attacks the loosely packed amorphous phase of the polymer. The failure mechanism of HDPE transitions from a ductile

On the second order term asymptotic solution for sharp Vnotch tip field in elastoviscoplastic solids Int. J. Solids Struct. (IF 3.213) Pub Date : 20210130
Yanwei Dai, Fei Qin, Yinghua Liu, Yuh J. ChaoA twoorder asymptotic solution for sharp Vnotch tip mechanics field in elastoviscoplastic solids with powerlaw form under mode I loading is developed. The stress exponents and angular distributions for various notch angles and viscoplastic exponents for the second terms are reported. The stress exponent of the first order is singular and is nonsingular except for low creep exponent with small

A parameter to represent a local deformation mode and a fracture criterion based on the parameter in ordinarystate based peridynamics Int. J. Solids Struct. (IF 3.213) Pub Date : 20210205
Tomohisa KumagaiIt is known that a local deformation mode affects the fracture behavior. First, a parameter that represents the deformation mode is defined for a fracture criterion that can consider the deformation mode in ordinary statebased peridynamics. This parameter is analogous to stress triaxiality in conventional continuum mechanics. The calculated values of the parameter agree well with the theoretical values