International Journal of Mechanics and Materials in Design最新文献

{"title":"Thermomechanical wave propagation analysis of sandwich triply-periodic-minimal-surface-structures with magneto-electro-elastic nanocomposite surface layers","authors":"Kerim Gökhan Aktaş,&nbsp;Fatih Pehlivan,&nbsp;İsmail Esen","doi":"10.1007/s10999-026-09918-0","DOIUrl":"10.1007/s10999-026-09918-0","url":null,"abstract":"<div><p>In this article, the thermomechanical wave propagation analysis of sandwich nanocomposite plates with a triply-periodic-minimal-surface (TPMS) core layer and magneto-electro-elastic (MEE) surface layers are evaluated using the high-order shear deformation theory (HSDT). MEE surface plates are composed of a mixture of cobalt ferrite (CoFe₂O₄) and barium titanate (BaTiO₃) according to the rule of mixture, while the TPMS core layer is SUS304. Three different TPMS cells are considered for the core layer: Gyroid (G), Primitive (P), and Wrapped package-graph (IWP). It is assumed that the material properties of both MEE and TPMS plate structures exhibit temperature-dependent variations. The equations of motion for the sandwich structure are established using HSDT and nonlocal strain gradient elasticity theory (NSGT), while the wave equations are obtained through analytical solutions. The study explores the effect of nonlocal parameters, wave number, TPMS cell pattern, CoFe₂O₄ and BaTiO₃ mixture ratio, temperature increase, and thermal and electrical load parameters on the phase velocity and wave frequency of the sandwich plate. Based on the results, it is concluded that the parameters which are addressed significantly affect the wave propagation phase velocity and frequency of the sandwich plate, and that sandwich plates can be modeled to adapt to variable environmental conditions and tune the desired properties with appropriate parameter selection. It is aimed that this study will contribute to advanced aerospace studies where the effect of temperature change is significant, and where both lightweight and high strength and energy absorption capabilities are prominent.</p></div>","PeriodicalId":593,"journal":{"name":"International Journal of Mechanics and Materials in Design","volume":"22 3","pages":""},"PeriodicalIF":4.7,"publicationDate":"2026-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10999-026-09918-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148281604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Gyrotactic microorganism transport and electro-reactive Carreau nanofluid dynamics via rotating disks using spectral modelling","authors":"MD. Shamshuddin,&nbsp;T. M. Agbaje,&nbsp;Muhammad Ramzan,&nbsp;Mohamed R. Eid,&nbsp;Subhajit Panda,&nbsp;Zahir Shah","doi":"10.1007/s10999-026-09921-5","DOIUrl":"10.1007/s10999-026-09921-5","url":null,"abstract":"<div><p>Transport phenomena in rotating disk systems play an important role in many engineering applications such as rotating disk reactors, disc drilling bits, and bio-microfluidic devices; therefore, this article evaluates the electrically conducting Carreau nanofluid motion between rotating disk surfaces, integrating motile microbes and bidirectional reactions, with regard to the influence of nonlinear radiation, thermal diffusion, and Ohmic dissipation. The intricate nature of the PDEs is framed in consideration of boundary layer approximations by utilizing a similarity transformation. The appropriate conversions of transformation functions are specified and executed to recast the set of PDEs into highly nonlinear ODEs (Ordinary Differential Equations). Then, the Spectral Quasi-Linearization Methodology (SQLM) is adopted to numerically describe the dimensionless expressions of the ODEs. Graphic representations for liquid flow, temperature, concentration, and microbial concentration distributions are plotted. Computational and semi-analytical results detailing the parametric influences on physical variables are presented in a tabular format. A comparison with a literary work is also undertaken to ensure the validity of the modeled system. The results show that the primary velocity decreases with the magnetic field parameter but increases with the rotation and stretching parameters. The temperature rises with Brownian motion and thermophoresis, while the concentration decreases with higher Lewis number and chemical reaction parameter.</p></div>","PeriodicalId":593,"journal":{"name":"International Journal of Mechanics and Materials in Design","volume":"22 3","pages":""},"PeriodicalIF":4.7,"publicationDate":"2026-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148281062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hybrid Monte Carlo–Levenberg–Marquardt neural network for stochastic analysis of 3D-FGP microplates","authors":"Van Thien Tran,&nbsp;Trung Kien Nguyen,&nbsp;Thuc P. Vo,&nbsp;Armagan Karamanli","doi":"10.1007/s10999-026-09934-0","DOIUrl":"10.1007/s10999-026-09934-0","url":null,"abstract":"<div><p>This paper introduces a novel Monte Carlo–Levenberg–Marquardt neural network (MCS-LMNN) framework for efficient stochastic buckling and vibration analysis of tri-directional functionally graded porous (3D-FGP) microplates under material uncertainties. Deterministic frequencies and buckling loads are obtained via higher-order shear deformation theory (HSDT), modified couple stress theory (MCT), and Ritz method with hybrid orthogonal polynomial shape functions, achieving convergence with only five terms. The MCS-LMNN surrogate achieves <i>R</i> = 0.99 correlation to Ritz-MCS benchmarks (2000 samples) at 44% of the computational cost, representing a 2.25 × speedup. Parametric studies reveal that porosity degrades stiffness, steeper gradients amplify size effects, and boundary conditions significantly modulate dispersion (COV = 10–15%). Statistical analysis shows positive skewness (0.2–0.4) from lognormal stiffener dominance and kurtosis &gt; 3 from porosity-induced heavy tails. New stochastic benchmarks for 3D-FGP microplates across porosity patterns, gradation profiles, and material length scale parameter ratios provide essential design data, validating the framework’s accuracy and efficiency for microplate analysis.</p></div>","PeriodicalId":593,"journal":{"name":"International Journal of Mechanics and Materials in Design","volume":"22 3","pages":""},"PeriodicalIF":4.7,"publicationDate":"2026-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148281058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pre-displacement tuned sandwich shell metastructure for ultra-low-frequency broadband vibration isolation","authors":"Haoqiang Gao,&nbsp;Wenxuan Jiao,&nbsp;Jingxu Liu,&nbsp;Yongtao Sun,&nbsp;Liang Wang,&nbsp;Hongge Han,&nbsp;Qian Ding,&nbsp;Zhixia Wang,&nbsp;Anshuai Wang","doi":"10.1007/s10999-026-09925-1","DOIUrl":"10.1007/s10999-026-09925-1","url":null,"abstract":"<div><p>To achieve ultra-low-frequency broadband vibration isolation in space-constrained systems, this study proposes a sandwich shell metastructure (SSM) tuned via prescribed pre-displacement. A stability-aware framework is developed to determine band gaps under geometric nonlinearity, eliminating ambiguities introduced by unstable eigenbranches. The pre-displaced equilibrium configuration is used as the reference state, and dispersion relations are obtained via small-on-large linearization. Band gaps are extracted exclusively from stable branches to avoid spurious predictions. Increasing pre-displacement shifts the stable band gaps toward lower frequencies and broadens the effective isolation bandwidth to 7.6–395.7 Hz. In the QZS regime, the first stable band gap reaches a maximum relative width of 64.7%. When pre-displacement exceeds 3.2 mm, the first three eigenbranches become unstable, defining a critical design boundary. The widening of the first band gap is attributed to a transition from global bending to shell-dominated local resonance, accompanied by increased frequency separation between adjacent stable modes. Parametric analysis of the SSM shows that orifice diameter, neck length, and cavity diameter govern local stiffness and effective inertia. Approaching critical geometric limits degrades low-order band gaps. A practical guideline is to reduce the orifice diameter while maintaining sufficient neck length and cavity size, thereby preserving stable band gaps and broadening the isolation bandwidth. Finite-structure simulations confirm that transmissibility attenuation coincides with predicted stable band gaps, with localized vibration occurring within these ranges. Experiments on additively manufactured thermoplastic polyurethane samples demonstrate a 76% increase in effective isolation bandwidth (from 158.3 to 279.3 Hz). This study provides a mechanics-based framework for tunable metastructures, offering explicit design guidelines and stability-informed operating boundaries.</p></div>","PeriodicalId":593,"journal":{"name":"International Journal of Mechanics and Materials in Design","volume":"22 3","pages":""},"PeriodicalIF":4.7,"publicationDate":"2026-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148281327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Thermal-vibration of FGM plates-shells in nonlinear un-steady-supersonic air-flow","authors":"Chih-Chiang Hong","doi":"10.1007/s10999-026-09939-9","DOIUrl":"10.1007/s10999-026-09939-9","url":null,"abstract":"<div><p>It is a very interesting problem to study the effects of aerodynamics pressure load of supersonic airflow and thermal loads of thermal environment on the plates-shells structure of thick-laminated functionally-graded material (FGM). The motivation comes from a chosen model of aerodynamics pressure load by using the third-order piston of pressure mode with respect to the based first-order piston mode for the supersonic airflow flow over the outer surface of FGMs. A computational approach method can be used to obtain solution for differential motion equation is the generalized-differential quadrature (GDQ) approaching. There are many parameters used in the study for third-order shear-deformation theory (TSDT), temperature-dependent power-law FGM, applied-heat loads, aerodynamic pressure load and advanced shear correction factor. The typical materials SUS304 and Si₃N₄ used for the FGMs to obtain the key findings with quantitative results of displacement and stress on dynamic-convergence study, time response study, environment temperature study, power-law indices study, and compared data curves study. The main conclusions are the external load including uniform pressure load for the third-order piston model and first-order piston model are in small different values. The environment temperature value can affect the convergence of grids in TSDT case. The plate center displacement values of metal behavior, e.g., power-law index = 10 case are greater than ceramic behavior, e.g., power-law index = 0.1 case. The genuine academic novelty of this paper is to provide a preliminary basic data for the future possible studies in the coupled fields of supersonic aerodynamics and thermal loads.</p></div>","PeriodicalId":593,"journal":{"name":"International Journal of Mechanics and Materials in Design","volume":"22 3","pages":""},"PeriodicalIF":3.6,"publicationDate":"2026-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148247702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Acoustic waves and moisture in a semiconductor thermoelastic medium with double porosity and three-phase lags subjected to the gravitational field","authors":"Saad Aldosari,&nbsp;Murdhy Aldawsari,&nbsp;Atef Ismail,&nbsp;Mohamed Hilal","doi":"10.1007/s10999-026-09916-2","DOIUrl":"10.1007/s10999-026-09916-2","url":null,"abstract":"<div><p>This research delves into the complex interactions of plasma and acoustic wave propagation within a thermoelastic semiconductor material. The semiconductor is characterized by double porosity, indicating two distinct pore structures, and by volume fraction fields that describe the spatial distribution of different phases within the material. The study also considers the influence of moisture diffusion, acknowledging the potential impact of water content on the material's properties and wave behavior. To model the thermoelastic heat conduction within the semiconductor, a three-phase-lag model is employed. This model accounts for the time delays among heat flux, temperature gradient, and thermal displacement gradient, providing a more refined description of heat transfer than simpler models. The analysis relies on harmonic wave solutions, which assume that the waves propagate as sinusoidal functions in space and time. This approach allows for a detailed investigation of the wave characteristics, such as their velocity and attenuation. A key aspect of the study is to highlight the influence of plasma waves on the overall wave propagation phenomena. Plasma waves are collective oscillations of charge carriers within the semiconductor, and their interaction with acoustic waves can significantly affect the material's behavior. The research presents numerical results to illustrate these interactions. The numerical analysis considers two different values for both gravity and time, allowing for an assessment of how these parameters affect the wave propagation. The findings reveal a significant positive correlation between gravity and plasma waves, indicating that stronger gravitational forces enhance the plasma wave activity. Furthermore, the numerical results demonstrate the variations in field quantities, such as temperature, displacement, and stress, within the semiconductor material. These variations provide insights into the spatial distribution of energy and forces associated with the wave propagation. The overall results of the study support existing research in the field, providing further evidence for the complex interplay between plasma waves, acoustic waves, and thermoelastic effects in semiconductor materials.</p><h3>Graphical abstract</h3><p>This graphical abstract illustrates that the thermodynamic response of a semiconductor thermoelastic medium with double porosity was affected by the moisture and the acoustic wave pressure. Central icons depict interacting thermal and microthermal fields. 2D representations on the right highlight the influence of gravity on strain, temperature variation, and stress.</p><div><figure><div><div><picture><source><img></source></picture><span>The alternative text for this image may have been generated using AI.</span></div></div></figure></div></div>","PeriodicalId":593,"journal":{"name":"International Journal of Mechanics and Materials in Design","volume":"22 2","pages":""},"PeriodicalIF":3.6,"publicationDate":"2026-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148236486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bending deflection prediction of multi-segment inflatable arches using a segmented beam–curved beam model with rotation compatibility","authors":"Shihao Ge,&nbsp;Changle Sun,&nbsp;Mingzhi Liu,&nbsp;Xiaoxing Zhang","doi":"10.1007/s10999-026-09927-z","DOIUrl":"10.1007/s10999-026-09927-z","url":null,"abstract":"<div><p>Segmented inflatable arch structures, formed by pressurized cylindrical segments joined at defined angles, exhibit pronounced geometric discontinuities and complex joint characteristics. These features enable rapid deployment over short spans, making such structures attractive for temporary support and emergency applications in confined environments. However, conventional continuous arch models are inadequate for describing their mechanical behavior due to abrupt curvature changes and localized stiffness variations at segment interfaces. To address this challenge, an analytical deflection prediction model is developed for segmented inflatable arches subjected to transverse loading. The proposed approach adopts a segmented beam–curved beam formulation, in which straight segments and corner segments are governed by classical beam theory and curved beam theory, respectively. A rigid-body rotation about the hinged base is introduced as a global rotation compatibility mechanism to enforce geometric continuity among adjacent segments, thereby capturing the combined effects of local stiffness variation and angular discontinuities on the overall deformation response. The model is validated through central point loading experiments conducted under three different inflation pressures. The predicted deflections show close agreement with experimental measurements, with maximum relative errors within 5%. These results demonstrate that the proposed model can reliably predict the deformation behavior of segmented inflatable arches within the small-deformation regime prior to instability phenomena such as buckling. The developed analytical framework provides an efficient tool for deformation prediction and structural optimization of flexible and deployable inflatable arch systems.</p></div>","PeriodicalId":593,"journal":{"name":"International Journal of Mechanics and Materials in Design","volume":"22 2","pages":""},"PeriodicalIF":3.6,"publicationDate":"2026-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148236547","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Magnetic induced dissipation for radiative nanofluid flow on moving plate with multiple slip for advanced thermal management","authors":"K. C. Padhy,&nbsp;R. S. Tripathy,&nbsp;P. K. Ratha","doi":"10.1007/s10999-026-09936-y","DOIUrl":"10.1007/s10999-026-09936-y","url":null,"abstract":"<div><p>The growing demand for energy-efficient, high-performance cooling systems in modern engineering has intensified the need for advanced thermal management technologies. Nanofluids with enhanced thermal conductivity are promising fluids for applications such as microelectronic cooling, solar collectors, and biomedical therapies. The interaction of magnetization, thermal radiation, and Joule dissipation combined with Brownian and thermophoresis due to cross-diffusion enriches the flow phenomena. With the above-mentioned assumptions, the impact of multiple slips on the flow over a moving plate is shown to be important. The mathematical model designed for the proposed assumptions is nonlinear and in dimensional form. Suitable similarity rules are employed to transform the governing equations into dimensionless form. To handle the nonlinear transformed model the shooting-based Runge–Kutta fourth-order technique is used. The present results validate the earlier work in the particular case, which led to the convergence of the present methodology. Further, the analysis of several factors is presented graphically, showing that magnetic-induced dissipation significantly enhances the fluid temperature. Slip effects are shown to regulate the near-wall velocity and heat transfer, providing a potential control mechanism for optimizing cooling performance.</p></div>","PeriodicalId":593,"journal":{"name":"International Journal of Mechanics and Materials in Design","volume":"22 2","pages":""},"PeriodicalIF":3.6,"publicationDate":"2026-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148236754","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Free-vibration characteristics of micropolar thermoelastic plate immersed in viscous media","authors":"D. Grover,&nbsp; Shyamsunder","doi":"10.1007/s10999-026-09933-1","DOIUrl":"10.1007/s10999-026-09933-1","url":null,"abstract":"<div><p>This study presents a rigorous analysis of free-vibration propagation in a homogeneous, isotropic micropolar generalized thermoelastic plate fully immersed in a viscous fluid on both surfaces. The formulation is developed within the frameworks of classical Fourier and non-Fourier (Lord–Shulman, LS) thermoelasticity to account for both diffusive and finite-speed thermal wave effects. By employing the Helmholtz decomposition technique, the coupled field equations are reduced to a tractable form, leading to compact secular equations under various mechanical boundary conditions. A detailed numerical investigation is carried out for a representative material to evaluate phase velocities and attenuation coefficients corresponding to symmetric and skew-symmetric vibration modes. The results are presented graphically to illustrate the influence of micropolar parameters, thermal relaxation, and viscous fluid loading on wave characteristics. In addition, analytical expressions for displacement, microrotation, and temperature fields are derived, and their spatial variations are analyzed to highlight key thermo-micropolar interactions. Several limiting cases are examined to validate the formulation and establish consistency with classical results. The findings of this study have practical relevance in defense and geophysical applications, particularly for understanding wave propagation and dynamic behavior in fluid-saturated geological layers.</p></div>","PeriodicalId":593,"journal":{"name":"International Journal of Mechanics and Materials in Design","volume":"22 2","pages":""},"PeriodicalIF":3.6,"publicationDate":"2026-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148236838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Design sensitivity analysis and optimization of molecular dynamic simulation with Langevin dynamics","authors":"Jae-Hyun Kim,&nbsp;Seonho Cho","doi":"10.1007/s10999-026-09922-4","DOIUrl":"10.1007/s10999-026-09922-4","url":null,"abstract":"<div><p>In molecular dynamics the system is highly nonlinear and often develops unpredictable chaotic behavior so the design sensitivity diverges and reliable values cannot be obtained. In this study, we addressed this challenge by employing the stochastic Langevin thermostat, which suppressed the divergence of sensitivities and enabled stable evaluation over long-time simulations. To efficiently compute sensitivities in systems with a large number of design variables, the adjoint variable method was introduced. An optimal LJ potential for liquid argon was successfully designed based on the developed methodology. The objective function was defined as the difference between the simulated and experimental radial distribution functions, which allowed us to obtain an accurate LJ potential parameter set. Furthermore, it was demonstrated that tabulated potentials can also be constructed through the proposed optimization framework.\u0000</p></div>","PeriodicalId":593,"journal":{"name":"International Journal of Mechanics and Materials in Design","volume":"22 2","pages":""},"PeriodicalIF":3.6,"publicationDate":"2026-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148173000","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}