Results 1 to 10 of about 531 (135)

Investigation on the influence of unbalanced shaft component in gearbox on displacement using the Newmark-β method. [PDF]

PLoS ONE
This study introduces an enhanced numerical approach for analyzing the dynamic behavior of a rotor-bearing system subjected to unbalanced excitation from a gearbox drive shaft.
Thanh Lam Tran, Vinh Phoi Nguyen, Chi Cuong Le, Thien Ngon Dang   +3 more
doaj   +2 more sources

Comprehensive Study of Moving Load Identification on Bridge Structures Using the Explicit Form of Newmark-β Method: Numerical and Experimental Studies

Remote Sensing, 2021
Bridge infrastructures are continuously subject to degradation due to aging and excess loading, placing users at risk. It has now become a major concern worldwide, where the majority of bridge infrastructures are approaching their design life.
Solmaz Pourzeynali, Xinqun Zhu, Ali Ghari Zadeh, Maria Rashidi, Bijan Samali   +4 more
doaj   +3 more sources

Dynamic analysis of multilayer-reinforced concrete frame structures based on NewMark-β method

Reviews on Advanced Materials Science, 2021
Liu Yizhe, Zhang Bofang, Wang Ting, Su Tian, Chen Hanyang   +4 more
doaj   +2 more sources

New Methods for Dynamic Analysis of Structural Systems under Earthquake Loads [PDF]

Journal of Rehabilitation in Civil Engineering, 2022
Two numerical methods are proposed for dynamic analysis of single-degree-of-freedom systems. Basics of dynamics and elementary tools from numerical calculus are employed to formulate the methods.
Mehdi Babaei, Maysam Jalilkhani, Seyed Hooman Ghasemi, Somayeh Mollaei   +3 more
doaj   +1 more source

Reduced-Order Model Based on Volterra Series for Aerodynamics of the Bridge Deck Section and Flutter Critical Wind Speed Prediction

Applied Sciences, 2023
This study proposes a novel reduced-order model (ROM), based on the Volterra series, for the aerodynamic force of the bridge deck section. Moreover, the ROM of the aerodynamic force of the streamlined box girder section of the Great Belt East Bridge ...
Ziran Wei, Zhiwen Liu, Fawei He
doaj   +1 more source

A multi-field coupling simulation model for the centrifugal pump system

Mechanics & Industry, 2023
In this paper, a multi-field coupling simulation model, including the motor, shaft, and pump, is established to analyze the motor's influence and the shaft on the pump's operating status. First of all, different forms of simulation calculation models are
Dong Lie-Yi, Shuai Zhi-Jun, Yu Tao, Jian Jie, Guo Yi-Bin, Li Wan-You   +5 more
doaj   +1 more source

Theoretical and Numerical Examination of a Novel Method for Identifying Bridge Moving Force Using an Instrumented Vehicle

Buildings, 2023
This study presents a novel and highly efficient technique to identify moving forces by utilising the acceleration response of an instrumented moving vehicle.
Dexin Liu, Bo Liu, Xingui Li, Kang Shi
doaj   +1 more source

Numerical and analytical study of seismic response of structural systems with new formulation using energy and impact methods [PDF]

E3S Web of Conferences, 2021
This paper presents two simple and robust technique for response estimating of single-degree-of-freedom (SDOF) structural systems. The impulse method, because it is formulated based on the fundamentals of dynamics; especially, the linear impulse concept,
Babaei Mehdi, Mollaei Somayeh, Petrudi Amin Moslemi, Jalilkhani Maysam, Scurtu Ionut Cristian   +4 more
doaj   +1 more source

Simultaneous Identification of Bridge Structural Damage and Moving Loads Using the Explicit Form of Newmark-β Method: Numerical and Experimental Studies

Remote Sensing, 2021
Bridge infrastructures are always subjected to degradation because of aging, their environment, and excess loading. Now it has become a worldwide concern that a large proportion of bridge infrastructures require significant maintenance.
Solmaz Pourzeynali, Xinqun Zhu, Ali Ghari Zadeh, Maria Rashidi, Bijan Samali   +4 more
doaj   +1 more source

Vibro-Impact Response Analysis of Collision with Clearance: A Tutorial

Machines, 2022
A collision with clearance causes obvious nonlinearity in structures, and dynamic response analysis plays an important role in predicting the mechanical performance of the structure.
Yongjie Xu, Yu Tian, Qiyu Li, Yanbin Li, Dahai Zhang, Dong Jiang   +5 more
doaj   +1 more source