International Journal of Engineering Science最新文献

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Development of a versatile indoor framework for the measurement of tyre compound friction and wear 用于测量轮胎复合摩擦和磨损的多功能室内框架的开发
IF 5.7 1区 工程技术
International Journal of Engineering Science Pub Date : 2025-10-17 DOI: 10.1016/j.ijengsci.2025.104402
Andrea Genovese, Guido Napolitano Dell’Annunziata, Emanuele Lenzi, Aleksandr Sakhnevych, Francesco Timpone, Flavio Farroni
{"title":"Development of a versatile indoor framework for the measurement of tyre compound friction and wear","authors":"Andrea Genovese,&nbsp;Guido Napolitano Dell’Annunziata,&nbsp;Emanuele Lenzi,&nbsp;Aleksandr Sakhnevych,&nbsp;Francesco Timpone,&nbsp;Flavio Farroni","doi":"10.1016/j.ijengsci.2025.104402","DOIUrl":"10.1016/j.ijengsci.2025.104402","url":null,"abstract":"<div><div>Maximising tyre performance requires balancing conflicting targets, grip, wear resistance, and rolling efficiency, while accelerating development. In this context, tribological characterisation at compound level supports faster prototyping and reduces reliance on full-scale testing. Although standards for rubber friction testing exist, they are rarely followed in literature, and procedures are often underreported. This work addresses that gap by presenting the complete development of an experimental framework for rubber friction and wear testing, with particular focus on tyre tread compound, from the definition of functional requirements to the design of a novel linear friction tester and the implementation of a robust testing methodology. The Ground Rubber Interface Performance (GRIP) tester was designed for high versatility and cost-effectiveness. A key feature is the open-access architecture, which allows practical surface management and rapid retooling. A custom back-heating system ensures uniform specimen temperature even under varying test conditions. The methodology focuses on critical but overlooked aspects: specimen conditioning, surface rubberisation, and temperature control. Case studies demonstrate the repeatability of results and the system’s sensitivity to key input parameters. Additional tests confirm the platform’s adaptability to non-tyre tribological applications.</div></div>","PeriodicalId":14053,"journal":{"name":"International Journal of Engineering Science","volume":"218 ","pages":"Article 104402"},"PeriodicalIF":5.7,"publicationDate":"2025-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145326826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Slow translation of a slightly deformed spherical fluid drop in an arbitrary unsteady viscous flow 任意非定常粘性流动中轻微变形的球形液滴的缓慢平移
IF 5.7 1区 工程技术
International Journal of Engineering Science Pub Date : 2025-10-16 DOI: 10.1016/j.ijengsci.2025.104401
Chennuri Dhanya , Jai Prakash , Huan J. Keh
{"title":"Slow translation of a slightly deformed spherical fluid drop in an arbitrary unsteady viscous flow","authors":"Chennuri Dhanya ,&nbsp;Jai Prakash ,&nbsp;Huan J. Keh","doi":"10.1016/j.ijengsci.2025.104401","DOIUrl":"10.1016/j.ijengsci.2025.104401","url":null,"abstract":"<div><div>The present study investigates the translational motion of a slightly deformed spherical fluid drop suspended in an arbitrary unsteady viscous fluid. The analysis is conducted under the assumption of a negligible Reynolds number, indicating a scenario where the induced stresses are slightly higher than the interfacial tension. Consequently, the drop undergoes a slight deformation but remains intact without breaking. The flow fields in both the interior and exterior of the drop are governed by the unsteady Stokes equations, which are solved asymptotically using a method of regular perturbation expansions under appropriate boundary conditions. The deviation from the spherical shape is quantified by a small parameter referred to as the deformation parameter, which is taken as the perturbation parameter. A complete general solution to the unsteady Stokes equations is employed to solve the equations governing the fluid flow. The hydrodynamic forces on the drop are then determined and expressed in terms of Faxén’s law for an arbitrary ambient flow field. The hydrodynamic problem is tackled up to the first order of the deformation parameter, disregarding higher-order terms. Closed-form expressions for the hydrodynamic drag force acting on the drop are derived for the specific scenarios of prolate and oblate spheroidal drops. The hydrodynamic forces obtained in the present study agree with the respective hydrodynamic forces experienced by prolate and oblate spheroidal drops in the limiting case of steady flow, as existing in the literature.</div></div>","PeriodicalId":14053,"journal":{"name":"International Journal of Engineering Science","volume":"217 ","pages":"Article 104401"},"PeriodicalIF":5.7,"publicationDate":"2025-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145324313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Capillary force on the inner wall of the mesh atomizer influencing the size of the droplets 网状雾化器内壁毛细力对雾滴大小的影响
IF 5.7 1区 工程技术
International Journal of Engineering Science Pub Date : 2025-10-16 DOI: 10.1016/j.ijengsci.2025.104399
Fan Zhang, Guan-Xian Chen, Zhen-Zhen Gui, Jian-Hui Zhang, Shao-Zheng Deng, Fu-Hai Wu, Yin-He Wang
{"title":"Capillary force on the inner wall of the mesh atomizer influencing the size of the droplets","authors":"Fan Zhang,&nbsp;Guan-Xian Chen,&nbsp;Zhen-Zhen Gui,&nbsp;Jian-Hui Zhang,&nbsp;Shao-Zheng Deng,&nbsp;Fu-Hai Wu,&nbsp;Yin-He Wang","doi":"10.1016/j.ijengsci.2025.104399","DOIUrl":"10.1016/j.ijengsci.2025.104399","url":null,"abstract":"<div><div>Piezoelectric atomizer is widely used in inhalation therapy field, where the drug deposition depth depends on the size of the atomized droplet. Herein, the diameter of the droplet was regulated by changing the wettability of the inner wall of the tapered hole of atomizers. The dynamic cone angle-capillary (DCA-C) model is established, where the contact angle of the inner wall <em>θ</em> and the cone angle <em>α</em> are the two key parameters to influence of the droplet size. When <em>θ</em>&gt;<em>π</em>/2+<em>α</em>/2, the droplet size decreases; when <em>θ</em>&lt;<em>π</em>/2+<em>α</em>/2, the droplet size increases. The experiment results show that after non-wetting treatment of the metal sheet of the atomizer, the contact angle <em>θ</em>=162°, and the atomized droplet diameter is 1.246 μm, which is decreased by 83.9%; after wetting treatment, the contact angle <em>θ</em>=66°, and the atomized droplet diameter is 9.851 μm, which is increased by 27.3%. It demonstrates that the DCA-C model can better explain the mechanism of piezoelectric atomization, where the capillary force plays a crucial role in regulating droplet size.</div></div>","PeriodicalId":14053,"journal":{"name":"International Journal of Engineering Science","volume":"217 ","pages":"Article 104399"},"PeriodicalIF":5.7,"publicationDate":"2025-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145324314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Numerical study and controlled generation of double emulsion droplet in a six-way junction microfluidic device using design of experiment method 采用实验设计方法对六路结微流控装置中双乳液滴的生成进行了数值研究
IF 5.7 1区 工程技术
International Journal of Engineering Science Pub Date : 2025-10-09 DOI: 10.1016/j.ijengsci.2025.104393
Somayyeh Bayazidi , Sasan Asiaei
{"title":"Numerical study and controlled generation of double emulsion droplet in a six-way junction microfluidic device using design of experiment method","authors":"Somayyeh Bayazidi ,&nbsp;Sasan Asiaei","doi":"10.1016/j.ijengsci.2025.104393","DOIUrl":"10.1016/j.ijengsci.2025.104393","url":null,"abstract":"<div><div>This study uses numerical simulations based on the Volume of Fluid-Continuum Surface Force (VOF-CSF) method to investigate the controlled generation of double emulsion droplets in a six-way junction microfluidic device. Using Design of Experiments (DOE) and Response Surface Methodology (RSM) in a flow-focusing microfluidic device, the simultaneous effects of important parameters, including the inner phase capillary number and phase flow rates, on the double emulsion characteristics, including droplet size, shell thickness, frequency of compound droplet generation, and monodispersity are investigated for the first time. According to our findings, the most significant parameter determining the double emulsion characteristics is the outer phase flow rate. Multi-core double emulsion droplets are also generated when the inner phase capillary number and middle phase flow rate increases and outer phase flow rate decreases. Additionally, we show that the monodispersity of the double emulsion under the dripping and jetting flow patterns is acceptable for most of the applications within the range of input parameters. This research develops beyond conventional droplet generation techniques by identifying the optimal flow combinations and providing quantitative equations for precisely predicting and controlling double emulsion characteristics based on the simultaneous effects of input parameters. Additionally, the proposed model enables it possible to generate multiple double emulsions with a wide range of shell thicknesses and different numbers of internal drops. The findings provide an innovative approach for designing microfluidic systems that have been successfully used in the double emulsions generation, especially in complicated encapsulation systems and for the food and pharmaceutical industries.</div></div>","PeriodicalId":14053,"journal":{"name":"International Journal of Engineering Science","volume":"217 ","pages":"Article 104393"},"PeriodicalIF":5.7,"publicationDate":"2025-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145264993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new strain gradient viscoplastic self-consistent crystal plasticity model for predicting geometrically necessary dislocations and length-scale dependent mechanical response 一种新的应变梯度粘塑性自洽晶体塑性模型,用于预测几何上必要的位错和长度相关的力学响应
IF 5.7 1区 工程技术
International Journal of Engineering Science Pub Date : 2025-10-09 DOI: 10.1016/j.ijengsci.2025.104396
Iftekhar A. Riyad, Marko Knezevic
{"title":"A new strain gradient viscoplastic self-consistent crystal plasticity model for predicting geometrically necessary dislocations and length-scale dependent mechanical response","authors":"Iftekhar A. Riyad,&nbsp;Marko Knezevic","doi":"10.1016/j.ijengsci.2025.104396","DOIUrl":"10.1016/j.ijengsci.2025.104396","url":null,"abstract":"<div><div>This paper describes a formulation of the first strain gradient (SG) viscoplastic self-consistent (VPSC) crystal plasticity model. The SG-VPSC model is based on the intragranular orientation spreads estimated from the fluctuations in the lattice rotation rates stemming from the second moments of the stress fields in the grains of a polycrystalline aggregate. The orientation spreads are spatially arranged to attain a functional form of the rotation tensor fields per grain for the calculations of spatial derivatives. The spatial derivatives pertaining to the “curl” operation are then taken to obtain the Nye dislocation tensor from the rotation tensor fields per grain. The Nye tensor is lastly used to calculate the density of geometrically necessary dislocations (GNDs) per grain. A dislocation density-based hardening law and an advanced composite grain model for twinning available in VPSC are extended to include the effects of GNDs. The potential and utility of the developed SG-VPSC model to simulate the mechanical response and concomitant evolution of microstructure including GNDs in polycrystalline metals are demonstrated using a few simulation case studies including compression of α-Ti specimens with different initial grain sizes along two specimen directions and a set of strain-path change deformation conditions applied to AA6016-T4.</div></div>","PeriodicalId":14053,"journal":{"name":"International Journal of Engineering Science","volume":"217 ","pages":"Article 104396"},"PeriodicalIF":5.7,"publicationDate":"2025-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145264994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tug-of-war between liquids and membranes 液体和膜之间的拔河
IF 5.7 1区 工程技术
International Journal of Engineering Science Pub Date : 2025-10-08 DOI: 10.1016/j.ijengsci.2025.104395
Weiting Chen, Quanzi Yuan
{"title":"Tug-of-war between liquids and membranes","authors":"Weiting Chen,&nbsp;Quanzi Yuan","doi":"10.1016/j.ijengsci.2025.104395","DOIUrl":"10.1016/j.ijengsci.2025.104395","url":null,"abstract":"<div><div>Predicting the deformation behavior of an initially stressed membrane subjected to liquid self-weight is nontrivial. Experimental observation indicates that in the tug-of-war competition between liquids and membranes, which side will prevail does not depend on the liquid volume. However, the existing models cannot explain this counterintuitive phenomenon. With the aim of understanding the underlying mechanics behind those unexpected features, we propose a theoretical model for deriving the configuration of membrane–liquid interactions. The analytical solutions for one-dimensional and two-dimensional axisymmetric membrane deflections are derived by combining the linear membrane theory and configuration-dependent loading. These solutions yield quantitative predictions for the three types of configuration that are in excellent agreement with the experiments. Remarkably, we find that a dimensionless parameter concerning the liquid density, the size of the system, and the membrane tension controls the intensity of the membrane–liquid competition. Our model opens up a new perspective for studying fluid–structure interaction systems.</div></div>","PeriodicalId":14053,"journal":{"name":"International Journal of Engineering Science","volume":"217 ","pages":"Article 104395"},"PeriodicalIF":5.7,"publicationDate":"2025-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145264995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamic relaxation in metallic glasses: A unified view from quasi-point defects and fractional viscoelasticity 金属玻璃的动态松弛:从准点缺陷和分数粘弹性的统一观点
IF 5.7 1区 工程技术
International Journal of Engineering Science Pub Date : 2025-10-04 DOI: 10.1016/j.ijengsci.2025.104394
Y.M. Chen , Y.H. Xiao , Guo-Jian Lyu , B. Wang , Yun-Jiang Wang , Y. Yang , E. Pineda , C. Fusco , L. Chazeau , J.C. Qiao
{"title":"Dynamic relaxation in metallic glasses: A unified view from quasi-point defects and fractional viscoelasticity","authors":"Y.M. Chen ,&nbsp;Y.H. Xiao ,&nbsp;Guo-Jian Lyu ,&nbsp;B. Wang ,&nbsp;Yun-Jiang Wang ,&nbsp;Y. Yang ,&nbsp;E. Pineda ,&nbsp;C. Fusco ,&nbsp;L. Chazeau ,&nbsp;J.C. Qiao","doi":"10.1016/j.ijengsci.2025.104394","DOIUrl":"10.1016/j.ijengsci.2025.104394","url":null,"abstract":"<div><div>Amorphous solids are ubiquitous in nature, and their non-Debye relaxation behaviors are often modeled using the stretched exponential function or the power-law form. However, these empirical approaches lack a clear physical landscape and direct ties to the underlying microstructure. Dynamic mechanical relaxation is a key metric for understanding the mechanical and physical properties of amorphous solids with viscoelastic characteristics. This study focuses on dynamic mechanical relaxation behavior of Cu<sub>50</sub>Zr<sub>43</sub>Al<sub>7</sub> metallic glass, a typical representative of amorphous solids. We employ the simplified modified fractional-order model, combining the quasi-point defect theory and the fractional calculus, to investigate the mechanical relaxation spectrum of Cu<sub>50</sub>Zr<sub>43</sub>Al<sub>7</sub> metallic glass in temperature domain. Our findings demonstrate the convergence between mechanical (simplified modified fractional-order model) and physical (quasi-point defect theory) viewpoints. Molecular dynamics simulations reveal that variations of parameter <span><math><mi>χ</mi></math></span> (or <span><math><mi>α</mi></math></span>) in the models is closely related to changes in icosahedral clusters. Additionally, calculation of local pair entropy <span><math><msub><mi>S</mi><mn>2</mn></msub></math></span> for atoms before and after annealing, along with analysis of the “entropy-rising” atoms during annealing, show a strong correlation with the quasi-point defects.</div></div>","PeriodicalId":14053,"journal":{"name":"International Journal of Engineering Science","volume":"217 ","pages":"Article 104394"},"PeriodicalIF":5.7,"publicationDate":"2025-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145216509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On effect of anisotropy on anti-plane shear waves in elastic monoclinic half-space and plates 弹性单斜半空间和板中各向异性对反平面横波的影响
IF 5.7 1区 工程技术
International Journal of Engineering Science Pub Date : 2025-09-30 DOI: 10.1016/j.ijengsci.2025.104392
Gennadi I. Mikhasev , Victor A. Eremeyev
{"title":"On effect of anisotropy on anti-plane shear waves in elastic monoclinic half-space and plates","authors":"Gennadi I. Mikhasev ,&nbsp;Victor A. Eremeyev","doi":"10.1016/j.ijengsci.2025.104392","DOIUrl":"10.1016/j.ijengsci.2025.104392","url":null,"abstract":"<div><div>Within the context of linear surface elasticity, we discuss the propagation of anti-plane surface waves, taking into account the anisotropy of the material. Here, we consider one of the most general crystal systems in the bulk, i.e. monoclinic symmetry. For the free surface, however, we consider rectangular symmetry. We derived the dispersion relations for three structures with surface energy: a half-space with a free surface; a layer of finite thickness; and a two-layered half-space. Surprisingly, these coincide with their isotropic counterparts, differing only in notation. Conversely, the anisotropy of the material in the bulk affects the displacement decay with depth. The pure exponential decay of displacements with the depth now transforms into decay with oscillations.</div></div>","PeriodicalId":14053,"journal":{"name":"International Journal of Engineering Science","volume":"217 ","pages":"Article 104392"},"PeriodicalIF":5.7,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145216510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A peridynamic approach to analysis of coupled magneto-electro-mechanical systems 磁-电-机械耦合系统的周动力学分析方法
IF 5.7 1区 工程技术
International Journal of Engineering Science Pub Date : 2025-09-29 DOI: 10.1016/j.ijengsci.2025.104391
Anasuyakumari Maram, Subrata Mondal, Sudarshan Dhua
{"title":"A peridynamic approach to analysis of coupled magneto-electro-mechanical systems","authors":"Anasuyakumari Maram,&nbsp;Subrata Mondal,&nbsp;Sudarshan Dhua","doi":"10.1016/j.ijengsci.2025.104391","DOIUrl":"10.1016/j.ijengsci.2025.104391","url":null,"abstract":"<div><div>A non-ordinary state-based peridynamic model(NOSBPD) is presented for linear piezoelectromagnetic material(PEM). The corresponding material model is developed by establishing the connection between the classical theory of piezoelectromagnetics and the newly proposed peridynamic framework. The variational approach and Hamiltonian principle are utilised to establish the equation of motion. This investigation shows the effectiveness of the proposed model to handle piezoelectromagnetic material. It is also shown that the considered stabilisation method effectively reduces the instabilities of NOSBPD. The dynamic behaviour of piezoelectromagnetic material in the proposed framework is investigated. The dispersion relations for stabilised versions of NOSBPD in one and two dimensions are established analytically for PEM. The graphs illustrate the influence of <span><math><mi>δ</mi></math></span> and different nonlocality functions on frequency, phase velocity, and group velocity. Also, the significant impact of critical coupling parameters on frequency is studied using graphical demonstration. Piezoelectromagnetic materials are used in a wide range of applications to constitute transducers such as actuators and sensors. Gaining insight into their wave and vibrational properties is indispensable for the advancement of reliable and optimised devices.</div></div>","PeriodicalId":14053,"journal":{"name":"International Journal of Engineering Science","volume":"217 ","pages":"Article 104391"},"PeriodicalIF":5.7,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145182900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Coupled chemo-mechanical constitutive equations and residual stress evolution of swelling hydrogels 溶胀水凝胶的化学-力学耦合本构方程及残余应力演化
IF 5.7 1区 工程技术
International Journal of Engineering Science Pub Date : 2025-09-27 DOI: 10.1016/j.ijengsci.2025.104390
Vivek Kumar Singh, Krishnendu Haldar
{"title":"Coupled chemo-mechanical constitutive equations and residual stress evolution of swelling hydrogels","authors":"Vivek Kumar Singh,&nbsp;Krishnendu Haldar","doi":"10.1016/j.ijengsci.2025.104390","DOIUrl":"10.1016/j.ijengsci.2025.104390","url":null,"abstract":"<div><div>Hydrogels are cross-linked polymeric materials capable of undergoing large deformation in response to external stimuli, such as chemical gradients and mechanical loading. This article presents a coupled chemo-mechanical model of hydrogel undergoing substantial swelling. A multiplicative decomposition-based framework is adopted to represent simultaneous swelling and mechanical deformation in a consistent thermodynamic way. A nonlinear modified hyperelastic Yeoh–Fleming model is considered for the fully swollen hydrogel to describe the strain energy of the polymer network and is calibrated from the available experiments. After calibrating the model using uniaxial stretching for different volume fractions of the polymer network, the model is then benchmarked with equi-biaxial and pure shear responses. The model calibration at different polymer network volume fractions also allows evolution of the Yeoh–Fleming model parameters with polymer network concentration. Finally, we combine the free energy of mixing of solvent and polymer network and the strain energy of polymer network to solve a coupled boundary value problem (BVP) of free swelling. The solution predicts free swelling of hydrogel and the evolution of residual stresses induced by a slow diffusion phenomenon. The numerical results presented here may provide guidance for significant applications of hydrogels in soft robotics, drug delivery and biomedical systems.</div></div>","PeriodicalId":14053,"journal":{"name":"International Journal of Engineering Science","volume":"217 ","pages":"Article 104390"},"PeriodicalIF":5.7,"publicationDate":"2025-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145154692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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