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Computer Modeling in engineering & Sciences 2025年第1期142卷 759-811页

作者： Anastasios Dounis Ioannis Palaiothodoros Anna Panagiotou department of Biomedical engineering Egaleo Park CampusUniversity of West AtticaAthens12243Greece

Accurate medical diagnosis,which involves identifying diseases based on patient symptoms,is often hindered by uncertainties in data interpretation and *** fuzzy set theories have emerged as effective tools to address these *** this paper,new mathematical approaches for handling uncertainty in medical diagnosis are introduced using q-rung orthopair fuzzy sets(q-ROFS)and interval-valued q-rung orthopair fuzzy sets(IVq-ROFS).Three aggregation operators are proposed in our methodologies:the q-ROF weighted averaging(q-ROFWA),the q-ROF weighted geometric(q-ROFWG),and the q-ROF weighted neutrality averaging(qROFWNA),which enhance decision-making under *** operators are paired with ranking methods such as the similarity measure,score function,and inverse score function to improve the accuracy of disease ***,the impact of varying q-rung values is explored through a sensitivity analysis,extending the analysis beyond the typical maximum value of *** Basic Uncertain Information(BUI)method is employed to simulate expert opinions,and aggregation operators are used to combine these opinions in a group decisionmaking *** results provide a comprehensive comparison of methodologies,highlighting their strengths and limitations in diagnosing diseases based on uncertain patient data.

关键词： Medical diagnosis multi-attribute group decision-making(MAGDM) q-ROFS IVq-ROFS BUI aggregation operators similarity measures inverse score function

Parametric Analysis and Designing Maps for Powder Spreading in Metal Additive Manufacturing

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Computer Modeling in engineering & Sciences 2025年第2期142卷 2067-2090页

作者： Yuxuan Wu Sirish Namilae department of Aerospace engineering Embry-Riddle Aeronautical UniversityDaytona BeachFL 32114USA

Powder bed fusion(PBF)in metallic additive manufacturing offers the ability to produce intricate geometries,high-strength components,and reliable ***,powder processing before energy-based binding significantly impacts the final product’s *** maps guide efficient process design to minimize defects,but creating them through experimentation alone is challenging due to the wide range of parameters,necessitating a comprehensive computational parametric *** this study,we used the discrete element method to parametrically analyze the powder processing design space in PBF of stainless steel 316L *** lattice parameter sweeps are often used for parametric analysis,but are computationally *** find that non-uniform parameter sweep based on the low discrepancy sequence(LDS)algorithm is ten times more efficient at exploring the design space while accurately capturing the relationship between powder flow dynamics and bed packing *** introduce a multi-layer perceptron(MLP)model to interpolate parametric causalities within the LDS parameter *** over 99%accuracy,it effectively captures these causalities while requiring fewer ***,we generate processing design maps for machine setups and powder selections for efficient process *** find that recoating speed has the highest impact on powder processing quality,followed by recoating layer thickness,particle size,and inter-particle friction.

关键词： Powder bed fusion additive manufacturing discrete element method parameter sweep process design

Microstructure Analysis of TC4/Al 6063/Al 7075 Explosive Welded Composite Plate via Multi-scale Simulation and Experiment

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稀有金属材料与工程 2025年第1期54卷 27-38页

作者： Zhou Jianan Luo Ning Liang Hanliang Chen Jinhua Liu Zhibing Zhou Xiaohong National Key Laboratory of Intelligent Construction and Healthy Operation and maintenance of Deep Underground engineering China University of Mining and TechnologyXuzhou 221116China China Coal Technology engineering Group Huaibei Blasting Technology Research Institute Limited Company Huaibei 235000China

Because of the challenge of compounding lightweight,high-strength Ti/Al alloys due to their considerable disparity in properties,Al 6063 as intermediate layer was proposed to fabricate TC4/Al 6063/Al 7075 three-layer composite plate by explosive *** microscopic properties of each bonding interface were elucidated through field emission scanning electron microscope and electron backscattered diffraction(EBSD).A methodology combining finite element method-smoothed particle hydrodynamics(FEM-SPH)and molecular dynamics(MD)was proposed for the analysis of the forming and evolution characteristics of explosive welding interfaces at *** results demonstrate that the bonding interface morphologies of TC4/Al 6063 and Al 6063/Al 7075 exhibit a flat and wavy configuration,without discernible defects or *** phenomenon of grain refinement is observed in the vicinity of the two bonding ***,the degree of plastic deformation of TC4 and Al 7075 is more pronounced than that of Al 6063 in the intermediate *** interface morphology characteristics obtained by FEM-SPH simulation exhibit a high degree of similarity to the experimental *** simulations reveal that the diffusion of interfacial elements predominantly occurs during the unloading phase,and the simulated thickness of interfacial diffusion aligns well with experimental *** introduction of intermediate layer in the explosive welding process can effectively produce high-quality titanium/aluminum alloy composite ***,this approach offers a multi-scale simulation strategy for the study of explosive welding bonding interfaces.

关键词： TC4/Al 6063/Al 7075 composite plate explosive welding microstructure analysis multi-scale simulation

Predicting the Construction Quality of Projects by Using Hybrid Soft Computing Techniques

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Computer Modeling in engineering & Sciences 2025年第2期142卷 1995-2017页

作者： Ching-Lung Fan department of Civil engineering Republic of China Military AcademyKaohsiung830Taiwan

The construction phase of a project is a critical factor that significantly impacts its overall *** construction environment is characterized by uncertainty and dynamism,involving nonlinear relationships among various factors that affect construction *** study utilized 987 construction inspection records from 1993 to 2022,obtained from the Taiwan residents Public Construction Management Information System(PCMIS),to determine the relationships between construction factors and ***,fuzzy logic was applied to calculate the weights of 499 defects,and 25 critical construction factors were selected based on these weight ***,a deep neural network was used to identify the relationship between the critical construction factors(input variables)and construction quality(output variable).Finally,the prediction model’s performance was evaluated to confirm the impact of these critical construction factors on project *** study employed an innovative hybrid soft computing technique,com-bining fuzzy logic and an artificial neural network,to effectively predict the relationship between critical construction factors and construction quality,achieving a model accuracy of 96.08%.Project managers can utilize the findings of this study to enhance project management practices and establish effective construction management strategies,thereby improving project construction quality.

关键词： Fuzzy logic artificial neural network crucial construction factor project quality performance

Machine Learning for QoS Optimization and Energy-Efficient in Routing Clustering Wireless Sensors

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Computers, Materials & Continua 2025年第1期82卷 327-343页

作者： Rahma Gantassi Zaki Masood Yonghoon Choi department of Electrical engineering Chonnam National University Gwangju61186Republic of Korea

Wireless sensor network(WSN)technologies have advanced significantly in recent *** in WSNs,machine learning algorithms are crucial in selecting cluster heads(CHs)based on various quality of service(QoS)*** paper proposes a new clustering routing protocol employing the Traveling Salesman Problem(TSP)to locate the optimal path traversed by the Mobile Data Collector(MDC),in terms of energy and QoS *** bemore specific,to minimize energy consumption in the CH election stage,we have developed the M-T protocol using the K-Means and the grid clustering *** addition,to improve the transmission phase of the Low Energy Adaptive Clustering-Grid-KMeans(LEACH-G-K)protocol,the MDC is employed as an intermediary between the CH and the sink to improve the wireless sensor network(WSN)*** results of the experiment demonstrate that the M-T protocol enhances various Low Energy Adaptive Clustering protocol(LEACH)improvements such as the LEACH-G-K,LEACH-C,Threshold sensitive Energy Efficient Sensor Networks(TEEN),MDC maximum residual energy leach protocol.

关键词： LEACH-G-K MDC TSP QoS K-Means

Hygro-Thermo-Mechanical Equivalent Layer-Wise Theory of Laminated Shell Structures

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Computer Modeling in engineering & Sciences 2025年第2期142卷 1697-1765页

作者： Francesco Tornabene Matteo Viscoti Rossana Dimitri department of Innovation engineering University of SalentoLecce73100Italy

This study presents a generalized two-dimensional model for evaluating the stationary hygro-thermo-mechanical response of laminated shell structures made of advanced *** introduces a generalized kinematic model,enabling the assessment of arbitrary values of temperature variation and mass concentration variation for the unvaried configuration at the top and bottom *** is achieved through the Equivalent Layer-Wise description of the unknown field variable using higher-order polynomials and zigzag *** addition,an elastic foundation is modeled utilizing the Winkler-Pasternak *** fundamental equations,derived from the total free energy of the system,are solved analytically using Navier’s ***,the Fourier-based generalized differential quadrature numerical method is adopted to efficiently recover the through-the-thickness distribution of secondary variables in agreement with the hygro-thermal loading *** formulation is applied in some examples of investigation where the response of panels of different curvature and lamination schemes is evaluated under external hygro-thermal fluxes and prescribed values of temperature and moisture *** addition,this study investigates the effect of the hygro-thermal coupling due to Dufour and Soret *** present formulation is verified to be a valuable tool for reducing computational effort and determining the effect on the mechanical response of laminated structures in a thermal and hygrometric environment.

关键词： Dufour and Soret effects equivalent layer-wise hygro-thermal analysis generalized differential quadrature Navier solution smart structures

Towards high-performance,efficient and sustainable material processing technologies for aerospace applications

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Chinese Journal of Aeronautics 2025年第1期38卷 1-2页

作者： Jun MA M.W.FU Stefania BRUSCHI Heng LI State Key Laboratory of Solidification Processing Northwestern Polytechnical UniversityXi’an 710072China department of Mechanical and Industrial engineering Norwegian University of Science and TechnologyTrondheim 7491Norway department of Mechanical engineering The Hong Kong Polytechnic UniversityHung HomKowloonHong KongChina department of Industrial engineering University of PadovaPadova 35131Italy

The aerospace and aviation industry has long been at the forefront of materials and processing technologies,driven by its ongoing demand for lightweight,highly reliable,and durable *** manufacturing is a critical discipline that directly affects the performance,functionality,and safety of aircraft and aerospace *** meet the above-mentioned stringent requirements,advanced materials and cutting-edge processing technologies have evolved alongside aerospace innovations.

关键词： performance aviation mentioned

Experimental Study and a Modified Model for Temperature-Recovery Stress of Shape Memory Alloy Wire under Different Temperatures

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Structural Durability & Health Monitoring 2025年第2期19卷 347-364页

作者： Zhi-Xiang Wei Wen-Wei Wang Yan-Jie Xue Wu-Tong ZhangQiu-Di Huang Guangxi Lepu Expressway Co. Ltd.Nanning530000China department of Bridge engineering School of TransportationSoutheast UniversityNanjing211189China department of Road and Bridge engineering College of Construction EngineeringJilin UniversityChangchun130012China

To investigate the performance of utilizing the shape memory effect of SMA(Shape Memory Alloy)wire to generate recovery stress,this paper performed single heating recovery stress tests and reciprocating heating-cooling recovery stress tests on SMA wire under varying initial strain *** effects of various strains and different energized heating methods on the recovery stress of SMA wires were explored in the single heating *** SMA wire was strained from 2%to 8%initially,and two distinct heating approaches were employed:one using a large current interval for rapid heating and one using a small current interval for slower *** experimental outcomes reveal that during a single heating cycle,the temperature-recovery stress relationship of SMA wire exhibits three distinct stages:the martensite phase stage,the transition stage from martensite to austenite phase,and the austenite phase ***,the choice of heating method does not influence the maximum recovery stress value,and the correlation between initial strain and maximum recovery stress is predominantly ***,conducting the reciprocating temperature rise and fall performance test is important to better simulate the scenario in practical engineering where multiple recovery stress in SMA wires for structural *** this test,two temperature cycling methods were studied:interval rise and fall,as well as direct rise and *** the case of utilizing the interval temperature rise and fall method,it was observed that the recovery stress associated with cooling was significantly higher than that corresponding to heating at the same ***,the recovery stress was lower upon subsequent heating than that measured during the previous heating *** on the experimental results,a prediction model for the temperature-recovery stress relationship has been proposed to simplify numerical *** is hoped that an approximate temperaturerecovery stress curve can be

关键词： SMA wire temperature recovery stress modified model phase transition

Ultrasonic vibration-assisted cutting of titanium alloys:A state-of-the-art review

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Chinese Journal of Aeronautics 2025年第1期38卷 3-42页

作者： Ahmar KHAN Xin WANG Biao ZHAO Wenfeng DING Muhammad JAMIL Aqib Mashood KHAN Syed Hammad ALI Sadam HUSSAIN Jiong ZHANG Raj DAS National Key Laboratory of Science and Technology on Helicopter Transmission Nanjing University of Aeronautics and AstronauticsNanjing 210016China department of Mechanical engineering College of EngineeringCity University of Hong KongHong Kong 999077China Centre for Additive Manufacturing School of EngineeringAerospace Engineering and AviationRMIT UniversityVictoria 3083Australia

The remarkable ability of titanium alloys to preserve their superior physical and chemical characteristics when subjected to extreme conditions significantly enhances their importance in the aerospace,military,and medical ***,conventional machining of titanium alloys leads to elevated tool wear,development of surface defects,and reduced machining efficiency due to their low heat conductivity,and chemical *** issues can be somewhat counteracted by integrating ultrasonic vibration in the conventional machining of titanium alloys and also enhance *** review article offers a holistic evaluation of the influence of ultrasonic vibration-assisted milling and turning on cutting forces,temperature,tool wear,and surface integrity,encompassing surface morphology,surface roughness,surface residual stress,surface hardness,and surface tribological properties during titanium alloys ***,it investigates the sustainability aspect that has not been previously *** on the performance of ultrasonic-assisted cutting revealed several advantages,including decreased cutting forces and cutting temperature,improved tool life,and a better-machined surface during ***,the sustainability factor is improved due to minimized energy consumption and residual *** conclusion,the key challenges and future prospects in the ultrasonic-assisted cutting of titanium alloys are also *** review article provides beneficial knowledge for manufactur-ers and researchers regarding ultrasonic vibration-assisted cutting of titanium alloy and will play an important role in achieving sustainability in the industry.

关键词： Ultrasonic vibration-assisted cutting Titanium alloys Material removal mechanism Machinability Sustainability

A Review of Infrared Thermography Applications for Civil Infrastructure

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Structural Durability & Health Monitoring 2025年第2期19卷 193-231页

作者： Prabal Shrestha Onur Avci Sahabeddin Rifai Feras Abla Michael Seek Karl Barth Udaya Halabe department of Civil and Environmental engineering West Virginia UniversityMorgantownWV 26506USA department of engineering Technology Old Dominion UniversityNorfolkVA 23529USA School of Sustainable engineering and the Built Environment Arizona State UniversityTempeAZ 85287USA

Civil infrastructure is continuously subject to aging and deterioration due to multiple factors,which lead to a decline in performance and impact structural *** damage on structures increases operational costs and poses significant risks to public *** maintenance,repair,and rehabilitation strategies are needed to ensure civil infrastructure’s overall safety and ***-Destructive Evaluation(NDE)methods are utilized to assess latent damage and provide decision-makers with real-time information for mitigating *** the last decade,there has been a significant increase in the research and development of innovative NDE techniques to improve data processing and promote efficient and accurate infrastructure *** paper aims to review one of those methods,namely,Infrared Thermography(IRT),and its applications in civil infrastructure.A comprehensive review is presented by investigating numerous journal articles,research papers,and technical reports describing numerous IRT applications for bridges,buildings,and general civil structures made from different *** capability of IRT to identify and pinpoint anomalies,typically in the early stages of degradation,has excellent potential to improve the safety and shore up the dependability of civil infrastructures while reducing expenses tied to maintenance and ***,the non-invasive nature of IRT is beneficial in mitigating disturbances and downtime that may occur during various inspection *** is highlighted that IRT is a highly versatile and effective tool for infrastructure condition *** further advancement and fine-tuning of the available techniques,it is likely that IRT will continue to gain significant popularity in maintaining and monitoring civil infrastructure.

关键词： Infrared thermography(IRT) civil infrastructure non-destructive evaluation(NDE)