Multidiscipline Modeling in Materials and Structures: Volume 19 Issue 6

Site effect influence on the seismic vulnerability of unreinforced masonry buildings in low to moderate seismic urban areas in Algeria

Allaeddine Athmani, Naida Ademovic

This paper aims to develop preliminary damage scenarios for unreinforced masonry buildings located in low to moderate seismic hazard areas in Algeria, taking into account the…

Reliability analysis of time-dependent problems based on ensemble learning of surrogate models

Chunping Zhou, Zheng Wei, Huajin Lei, Fangyun Ma, Wei Li

Surrogate models are extensively used to substitute real models which are expensive to evaluate in the time-dependent reliability analysis. Normally, different surrogate models…

Finite coating thickness of Prandtl fluid in non-isothermal reverse roll coating process

Zaheer Abbas, Sabeeh Khaliq, Sana Usman, Muhammad Yousuf Rafiq

The coating process is broadly employed in the manufacturing of wallpapers, adhesive tapes, wrapping, protection of fabrics and metals, X-ray and photographic films…

Sound absorption performance of composite structures from a kind of lightweight ceramic foam with perforated plate

P.S. Liu, S. Song, J.X. Sun

The purpose of this paper is mainly to know: (1) the sound absorption coefficient of porous composite structures constituted by a new kind of lightweight ceramic foam and…

Vibration response analysis of a two-stage vibration isolation system for large airborne equipment

Hongyan Zhu, Pengzhen Lv, Xiaochong Wu, Yuansheng Wang, Wei Liu, Huagang Lin, Zhufeng Yue

This paper aims to propose a two-stage vibration isolation system for large airborne equipment to isolate aircraft vibration load.

Study on creep behaviors of nickel-based single-crystal alloys considering microstructure evolution

Xing Ai, Shuaishuai Wang, Fenghua Luo, Haiqing Pei, Zhenwei Li

The purpose of this study is to describe the mechanism of single-crystal high-temperature creep deformation, predict the creep life more accurately and study the creep…

Analytical modeling and optimal design of clamped sandwich beams with cellular cores subjected to shock loading

Lang Li, Jiahui Li, Fan Zhang, Fusen Jia, Lei Li

Sandwich structures with well-designed cellular cores exhibit superior shock resistance compared to monolithic structures of equal mass. This study aims to develop a comprehensive…

Multi-performance optimization for AWJ drilling process in cutting of ceramic tile: BBD with EOBL-GOA algorithm

A. Tamilarasan, A. Renugambal, K. Shunmugesh

The goal of this study is to determine the values of the process parameters that should be used during the machining of ceramic tile using the abrasive water jet (AWJ) process in…

Statistical and experimental study on microcrack of mortar by a self-healing agent of bacteria adsorbed by expanded perlite

Hong-Feng Li, Jun Sun, Xiao-Yong Wang, Lei-Lei Xing, Guang-Zhu Zhang

The purpose of this paper is to add expanded perlite (EP) immobilized microorganisms that replace part of the standard sand in mortar to improve the self-healing ability of mortar…

Modeling of voltage-limiting kinetics in two-layer varistor–posistor structures

Alexander Sergeevich Tonkoshkur, Alexander Vladimirovich Ivanchenko

The purpose of this study is to model the dependences of the output voltage, temperature, current and electrical power dissipation of a voltage limiter based on a two-layer…

Hygrothermal analysis of a semi-infinite cylinder: an integral transform approach

Tasneem Firdous Islam, G.D. Kedar, Sajid Anwar

The purpose of this paper is to examine the impact of moisture and temperature changes on the behavior of a semi-infinite solid cylinder made of T300/5208 composite material. This…

Wall slip effects in Rayleigh–Bénard convection of viscoplastic materials

Mohammad Saeid Aghighi, Christel Metivier, Sajad Fakhri

According to the research, viscoplastic fluids are sensitive to slipping. The purpose of this study is to determine whether slip affects the Rayleigh–Bénard convection of…

Preparation and properties of a newly developed devulcanized and pyrolytic crumb rubber modified asphalt

Bozong Jiao, Baofeng Pan, Naisheng Guo

The purpose of this article is to determine the parameters of the preparation process for devulcanized and pyrolytic crumb rubber modified asphalt (DCRMA) and then study the…

Evaluation method of equivalent initial flaw size and fatigue life prediction of nickel-based single crystal superalloy

Zhixun Wen, Fei Li, Ming Li

The purpose of this paper is to apply the concept of equivalent initial flaw size (EIFS) to the anisotropic nickel-based single crystal (SX) material, and to predict the fatigue…

A novel robust design optimization method combining improved flower pollination algorithm and dual Kriging

Duo Zhang, Yonghua Li, Gaping Wang, Qing Xia, Hang Zhang

This study aims to propose a more precise method for robust design optimization of mechanical structures with black-box problems, while also considering the efficiency of…

Accurately and explicitly simulating distinct tensile and compressive behaviors of various concretes with new elastoplasticity model

Quan-Pu Liu, Jia Kang, Long-Xu Tan, Si-Yu Wang, Otto Bruhns, Heng Xiao

This paper aims to present a direct analysis to demonstrate why markedly different tensile and compressive behaviors of concretes could not be simulated with the Drucker–Prager…

A mathematical model for erosive abrasive wear analysis by using abrasive size and material hardness

Ergin Kosa, Ali Gökşenli

Erosion and abrasion are the prominent wear mechanisms reducing the lifetime of machine components. Both wear mechanisms are playing a role meanwhile, generating a synergy…