Multidiscipline Modeling in Materials and Structures: Volume 18 Issue 4

Dynamic characteristics analysis of complex aircraft pipeline system using MDSMA algorithm

Wei Liu, Hongyan Zhu, Wangzhen Li

The dynamic characteristics prediction and frequency-modulation of pipeline was an important work for the design of aircraft hydraulic structure.

An innovative reliability-based design optimization method by combination of dual-stage adaptive kriging and genetic algorithm

Kaixuan Feng, Zhenzhou Lu

This study aims to propose an efficient method for solving reliability-based design optimization (RBDO) problems.

An indirect method to determine nonlinearly elastic shear stress-strain constitutive relationships for nonlinear torsional vibration of nonlinearly elastic shafts

Fan Lin, Jianshe Peng, Shifeng Xue, Jie Yang

In this paper, the authors aim to propose an effective method to indirectly determine nonlinear elastic shear stress-strain constitutive relationships for nonlinear elasticity…

A generalized mixture rule for estimating the effective modulus of cement paste in early age

Pengcheng Cao, Xi Chen, Hongjing Dong, Ying Dai

The purpose of this paper is to obtain a theoretical model to analyze the effective modulus of cement paste in early age, including the setting and hardening periods, which has a…

Finite element modeling of reinforced concrete short columns subjected to shear in two perpendicular directions

Marya Alraqad, Rabab Allouzi, Amer Alkloub

Short columns can cause serious damage when subjected to an earthquake due to their high stiffness with low ductility. These columns can be exposed to multidirectional shear…

Adaptive step-size numerical vibration correlation technique for buckling prediction of thin-walled shells under axial compression and thermal loads

Lei Huang, Qiushi Xia, Tianhe Gao, Bo Wang, Kuo Tian

The purpose of this paper is to propose a numerical prediction method of buckling loads for shell structures under axial compression and thermal loads based on vibration…

Wire EDM cutting of Inconel 718 nickel-based superalloy: kerf and MRR analysis

Meltem Altin Karataş

Inconel 718 (IN718) is a high-performance nickel-based superalloy with high oxidation-corrosion-temperature resistance, high strength (tensile, fatigue, creep and rupture)…

Physical manufacturing: the basic theory and technical system

Zhufeng Yue, Ming Li, Lei Li, Zude Zhou

This paper aims to propose a new concept of product manufacturing mode which takes physical manufacturing theory as the basic starting point. In this work, the authors intend to…

Capacity prediction of straight and inclined slender concrete-filled double-skin tubular columns

Rabab Allouzi, Awni Abu-Shamah, Amer Alkloub

Concrete-filled double-skin tubular (CFDST) columns have been gaining significant attention since these columns proved to be more efficient compared to concrete-filled…

On stress concentration analysis of inverse distance weighted function based finite FGM panel with circular hole under biaxial loading

Vikas Goyat, Tawakol A. Enab, Gyander Ghangas, Sunil Kadiyan, Ajay Kumar

Inverse distance weighted (IDW) functions are utilized to make models of heterogenous materials such as functionally graded materials (FGM) in computer aided design (CAD)…

Investigation of the effect of AWJ drilling parameters for delamination factor and surface roughness on GFRP composite material

Meltem Altin Karataş, Hasan Gökkaya, Sıtkı Akincioğlu, Mehmet Ali Biberci

The purpose of this study is to optimize processing parameters to get the smallest average surface roughness (Ra) and delamination damage (F_d) values during drilling via abrasive…