Results 1 to 10 of about 307,960 (161)

Uncertainty-Based Fusion Method for Structural Modal Parameter Identification [PDF]

Sensors
The structural modal parameter identification method can be classified into time-domain and frequency-domain methods. Practically, two types of methods are characterized by different advantages, and the estimated modal parameters are always subjected to ...
Xiaoteng Liu, Zirui Dong, Hongxia Ji, Zhenjiang Yue, Jie Kang   +4 more
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Estimation Formula of Modal Frequency of High-Rise Buildings under Different Wind Speeds during Typhoons

Applied Sciences, 2021
On 18 October 2016, the wind-induced effects of a high-rise building with square section was measured by the monitoring system in Haikou of China during Typhoon Sarika.
Jiaxing Hu, Zhengnong Li, Zhefei Zhao
doaj   +1 more source

Modal identification of high earth-rock dams based on seismic records and SSI method

Yantu gongcheng xuebao, 2021
Using the measured seismic records to identify the modal parameters of high earth-rock dams is a feasible way to study the dynamic characteristics of dams.
WANG Mao-hua 1, 2, CHI Shi-chun 1, 2, ZHOU Xiong-xiong 3
doaj   +1 more source

Probabilistic Updating of Structural Models for Damage Assessment Using Approximate Bayesian Computation

Sensors, 2020
A novel probabilistic approach for model updating based on approximate Bayesian computation with subset simulation (ABC-SubSim) is proposed for damage assessment of structures using modal data.
Zhouquan Feng, Yang Lin, Wenzan Wang, Xugang Hua, Zhengqing Chen   +4 more
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Modal Parameter Identification Based on Hilbert Vibration Decomposition in Vibration Stability of Bridge Structures

Advances in Civil Engineering, 2021
Modal parameters are important parameters for the dynamic response analysis of structures. An output-only modal parameter identification technique based on Hilbert Vibration Decomposition (HVD) is developed herein for structural modal parameter ...
Yingzhi Xia, Hui Li, Zhezhe Fan, Jiyong Xiao   +3 more
doaj   +1 more source

Discrete and Modal Early Warning of Coal and Gas Outburst Based on Time Series of Gas Emission

Meikuang Anquan, 2020
In order to realize the dynamic and real-time early warning of coal and gas outburst danger in working face, a discrete modal early warning method based on time series of gas emission is proposed. The methane monitoring data of the coal mine in the real
LU Xinming, ZHANG Tianyu, WANG Yong, TU Hui, WANG Hongjuan
doaj   +1 more source

Evaluation and Analysis of Bridge Modal Parameters Under Intelligent Monitoring Environment

Frontiers in Ecology and Evolution, 2022
After the bridge is completed, the structural materials will be gradually eroded or aged under the influence of climate, temperature, and building environment.
Tao Wang, Xuelian Guo, Guanxu Long, Xiaodong Liu   +3 more
doaj   +1 more source

Macroscopic modelling and robust control of bi-modal multi-region urban road networks [PDF]

, 2017
The paper concerns the integration of a bi-modal Macroscopic Fundamental Diagram (MFD) modelling for mixed traffic in a robust control framework for congested single- and multi-region urban networks.
Ampountolas, Konstantinos, Geroliminis, Nikolas, Zheng, Nan   +2 more
core   +1 more source

Operational modal analysis using symbolic regression for a nonlinear vibration system

Journal of Low Frequency Noise, Vibration and Active Control, 2021
The existence of nonlinearity is an inevitable frequent occurrence that should be considered to accurately identify the modal parameters of a vibration system using operational modal analysis.
Xuchu Jiang, Feng Jiang
doaj   +1 more source

Modal identification of cylindrical shell using circumference reduction method

Nihon Kikai Gakkai ronbunshu, 2015
For precision improvement of the noise prediction, the dynamic characteristics of structures need to be verified. This paper focuses on modal identification of the cylindrical shell structures.
Atsushi KITAHARA, Takuya YOSHIMURA
doaj   +1 more source