Results 31 to 40 of about 308,109 (309)

A new modal analysis method applied to changing machine tool using clustering

open access: yesAdvances in Mechanical Engineering, 2020
The states of the machine tool, such as the components’ position and the spindle speed, play leading roles in the change of dynamic parameters. However, the traditional modal analysis method that modal parameters manually identified from vibration signal
Xuchu Jiang   +3 more
doaj   +1 more source

Spectral analysis for modal parameters linear estimate [PDF]

open access: yes, 2020
Modal synthesis is used to generate the sounds associated with the vibration of rigid bodies, according to the characteristics of the force applied onto the object. Towards obtaining sounds of high quality, a great quantity of modes is necessary, the development of which is a long and tedious task for sound designers as they have to manually write the ...
Marco Tiraboschi   +2 more
openaire   +2 more sources

Financial Burden Associated With Hospitalisation Among Families of Childhood Brain Tumours in Australia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Families of children with cancer experience significant financial strain, even with universal healthcare. Indirect costs, such as productivity losses and non‐medical expenses, are rarely included in economic evaluations, and little is known about how effectively financial aid programmes alleviate this burden. Childhood brain tumours
Megumi Lim   +8 more
wiley   +1 more source

Time-Varying Modal Parameters Identification by Subspace Tracking Algorithm and Its Validation Method

open access: yesShock and Vibration, 2018
This article presents a time-varying modal parameter identification method based on the novel information criterion (NIC) algorithm and a post-process method for time-varying modal parameter estimation.
Haotian Zhou   +4 more
doaj   +1 more source

Parameter Identification of a Three-dimensional Flexible Ring-based Model of a Tire Using Experimental Modal Analysis

open access: yesInternational Journal of Automotive Engineering, 2019
A flexible ring-based model is simple, comprehensive, and accurate, and has been most frequently adopted in tire models with a low degree-of-freedom.
Masami Matsubara, Shozo Kawamura
doaj   +1 more source

Model updating using uncertain experimental modal data [PDF]

open access: yes, 2011
The propagation of parameter uncertainty in structural dynamics has become a feasible method to determine the probabilistic description of the vibration response of industrial scale nite element models.
Govers, Yves, Link, Michael
core  

Feasibility and Preliminary Efficacy of Integrative Neuromuscular Training for Childhood Cancer Survivors: A Pilot Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Survivors of childhood acute lymphoblastic leukemia (ALL) often exhibit early deficits in muscle and movement competence, which can compromise long‐term health. Integrative neuromuscular training (INT), a multifaceted approach combining fundamental movement activities with strength exercises, may help address these deficits during ...
Anna Maria Markarian   +7 more
wiley   +1 more source

Dynamic characteristics of offshore wind power with bucket foundation based on field tests

open access: yesYantu gongcheng xuebao
The offshore wind power structures bear complex environmental loads induced by winds and waves over the life time. Dynamic characteristic is an important basis for the safety assessment of the offshore wind power structures.
CAI Zhengyin, FAN Kaifang, ZHU Xun
doaj   +1 more source

Comparison of Different Independent Component Analysis Algorithms for Output-Only Modal Analysis

open access: yesShock and Vibration, 2016
From the principle of independent component analysis (ICA) and the uncertainty of amplitude, order, and number of source signals, this paper expounds the root reasons for modal energy uncertainty, identified order uncertainty, and modal missing in output-
Jianying Wang   +3 more
doaj   +1 more source

Research on improved modal parameter identification method using Hilbert-Huang transform

open access: yesMeasurement + Control, 2023
In the wind tunnel test, the full-bridge aeroelastic model needs to simulate both the shape and dynamic characteristics of the real bridge, and modal parameters are key dynamic parameters.
Mingjin Zhang   +4 more
doaj   +1 more source

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