International Journal of Structural Integrity: Volume 14 Issue 6

An efficient energy-based methodology for seismic collapse assessment of steel moment frame buildings

Reza Esmailzadeh-Shahri, Sassan Eshghi

Nonlinear dynamic analyses are employed for seismic collapse risk evaluation of existing steel moment frame buildings. The standards, such as ASCE 41-17, often define collapse…

Finite element analysis and experimental validation of the failure characteristic of pressurized cylinder

Jun-Hui Chai, Jun-Ping Zhong, Bo Xu, Zi-Jian Zhang, Zhengxiang Shen, Xiao-Long Zhang, Jian-Min Shen

The high-pressure accumulator has been widely used in the hydraulic system. Failure pressure prediction is crucial for the safe design and integrity assessment of the…

A four-node rectangular plate finite element using Airy functions with transverse shear

Sifeddine Abderrahmani

Among different types of engineering structures, plates play a significant role. Their analysis necessitates numerical modeling with finite elements, such as triangular…

Theoretical and numerical analysis of free vibrations of piezoelectric circular plate reinforced with boron nitride

Mohammad Hadi Moradi, Mehdi Ranjbar-Roeintan

The purpose of this research is to extract the natural frequencies of a circular plate containing a central hole reinforced with boron nitride nanotubes (BNNTs) and containing…

Structural performance evaluation of hybrid polymer composites for critical infrastructure pick-and-place robot grippers using silica nanoparticles

Megavannan Mani, Thiyagu Murgaiyan, Pradeep Kumar Krishnan

This study focuses on the structural performance assessment of hybrid polymer composites for pick-and-place robot grippers used in critical infrastructure. This research involved…

Fast solution of reliability-based robust design optimization by reducing the evaluation number for the performance functions

Xiongming Lai, Yuxin Chen, Yong Zhang, Cheng Wang

The paper proposed a fast procedure for solving the reliability-based robust design optimization (RBRDO) by modifying the RBRDO formulation and transforming it into a series of…

Hydroforming of double-layer Y-shaped tube controlled by a novel backward punch shape

Ying Ying Feng, Yue Jia, Xiao Qian Sun, Guo Peng Chen, Zong An Luo

A new backward punch shape was designed and used in the hydroforming process of double-layer Y-shaped tubes to achieve uniform wall thickness. This study focuses on the…

Research on fatigue life prediction model for 2A70-T6 aluminum alloy at different strain ratios

Yaobing Wei, Yanan Li, Jianhui Liu, Gai Wang, Yanlei Guo, Xuemei Pan

In practical engineering, oil filters often work under asymmetric cyclic loading. In order to improve the prediction accuracy of fatigue life of the oil filters under asymmetric…

Machine learning-based probabilistic fatigue assessment of turbine bladed disks under multisource uncertainties

Shun-Peng Zhu, Xiaopeng Niu, Behrooz Keshtegar, Changqi Luo, Mansour Bagheri

The multisource uncertainties, including material dispersion, load fluctuation and geometrical tolerance, have crucial effects on fatigue performance of turbine bladed disks. In…