Results 41 to 50 of about 10,612 (301)

Monitoramento sem fio da vibração torsional de powertrain automotivo [PDF]

open access: yes, 2015
TCC (graduação) - Universidade Federal de Santa Catarina. Campus Joinville. Engenharia Mecatrônica.A instalação de sensores para a medição da vibração torsional em diversos pontos do powertrain se faz necessária em testes veiculares, o que consome tempo ...
Korol, Daniel Rossi
core  

Flexural-torsional behavior of thin-walled closed-section composite box beams

open access: yes, 2007
This paper presents a flexural–torsional analysis of composite box beams. A general analytical model applicable to thin-walled box section composite beams subjected to vertical and torsional load is developed.
Lee, Jaehong, Vo, Thuc
core   +1 more source

Experimental and Numerical Modal Analysis of Composite Sandwich Structures Using Surfboards as Model Systems

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents an experimental and numerical modal investigation of composite sandwich structures using surfboards as model systems. By comparing different core materials and reinforcement strategies, the study demonstrates how local stiffeners influence vibrational response and introduce characteristic modal features, highlighting modal ...
Brett Connellan   +4 more
wiley   +1 more source

Torsional Vibration Test on the Shaft System of Reciprocating Compressor

open access: yesShiyou jixie, 2020
One certain type of compressor suffers excessive current fluctuation. In order to solve this problem, torsional vibration test was carried out on the compressor and the test results were analyzed by means of the analog multi-frequency sine sweep method ...
Wang Yibing   +3 more
doaj  

Torsional Vibration Of Machine Systems [PDF]

open access: yes, 1977
LecturePg. 13-22.This paper is concerned with torsional vibration in the design, development, and fault diagnosis and correction of machine systems. The physical behavior of torsional vibrations in shafting systems and sources of torsional excitation are
Eshleman, Ronald L.
core   +1 more source

Multimodal Perception and Machine Learning‐Empowered Human Machine Interfaces With Double‐Network Hydrogel Fibers

open access: yesAdvanced Functional Materials, EarlyView.
This work develops polyacrylamide‐alginate (PAM‐Alg) double‐network hydrogel fibers for multimodal perception and intelligent human‐machine interfaces. The covalent‐ionic network provides high strength, toughness, and stable conductivity. Easily woven into wearables and integrated with soft robots, the fibers enable object and temperature recognitions ...
Yujue Yang   +10 more
wiley   +1 more source

Improvement calculation accuracy of blade-shaft coupled torsional vibration by including axial shaft motion

open access: yesNihon Kikai Gakkai ronbunshu, 2019
Selected from various Eigen modes of blading, nodal diameter κ= 0 and κ= 1 are both related to shaft torsional and/or axial vibration and shaft bending vibrations respectively.
Hiroki NAKAMURA   +4 more
doaj   +1 more source

Review of Thermally Activated Twisted Coiled Polymer Actuators: A Materials Science Perspective

open access: yesAdvanced Functional Materials, EarlyView.
Thermally activated twisted and coiled polymer actuators (TCPAs) combine lightweight design, large deformation, and scalable fabrication for soft robotic and wearable applications. This review connects polymer structure, processing history, helix geometry, and thermomechanical characterization to actuator performance, highlighting current challenges in
Nadja Schenk   +3 more
wiley   +1 more source

Modeling and experimental analysis of cutting force in longitudinal–torsional ultrasonic-assisted milling of titanium

open access: yesAdvances in Mechanical Engineering, 2019
This study proposed a novel milling technology assisted by longitudinal–torsional compound ultrasonic vibration to overcome the difficulties in the processing of Ti-alloy heterogeneous surfaces or molding surfaces.
Xiaobo Wang   +3 more
doaj   +1 more source

Nonlocal Metaspire: A Scalable Elastic Material Platform With Decoupled Mechanical Modes

open access: yesAdvanced Materials, EarlyView.
Nonlocal Metaspire introduces sequential rotation to realize wider scalability in implementing complex nonlocal couplings in elastic metamaterials while suppressing unintended mode coupling. Numerical results clarify the underlying wave motions, demonstrate mode‐decoupled roton and maxon formation, and support a straightforward extension to higher ...
Seung Han Kim   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy