Results 21 to 30 of about 71,040 (286)

Weighted Dual Approach to an Equivalent Stiffness-based Load ‎Transfer Model for Jacked Open-ended Pile [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2021
This paper presents a new equivalent stiffness-based load transfer model for an open-ended pipe pile. The main idea of this model is to replace the sum of unit stiffnesses corresponding with external and internal unit skin frictions in the basic ...
Nguyen Linh   +3 more
doaj   +1 more source

Force Analysis of the Overconstrained Mechanisms Based on Equivalent Stiffness Considering Limb Axial Deformation

open access: yesChinese Journal of Mechanical Engineering, 2023
Overconstrained mechanism has the advantages of large bearing capacity and high motion reliability, but its force analysis is complex and difficult because the mechanism system contains overconstraints.
Jinwei Guo   +5 more
doaj   +1 more source

Analytical solution for longitudinal equivalent bending stiffness of quasi-rectangular shield tunnels

open access: yesYantu gongcheng xuebao, 2022
According to the sectional characteristics of quasi-rectangular shield tunnels, the neutral axes located at four different positions, the upper section edge (the ring joint is completely closed), the section vault, the section waist and the section ...
LIANG Rong-zhu 1, WANG Kai-chao 1, HUANG Liang 2, SUN Lian-wei 3, LI Zhong-chao 4, ZHANG Li 5, WU Xiao-jian 3
doaj   +1 more source

Analysis and Optimization of Motion Coupling for the Coordinated Operation of Flexible Multi-Arm Space Robots

open access: yesActuators, 2023
This paper presents a novel approach for analyzing and optimizing motion coupling in the coordinated operation tasks of flexible space multi-arm robots (FMSRs).
Guangtang Pan   +4 more
doaj   +1 more source

Theoretical and experimental research on the mechanical properties of magnetorheological elastomers based on PDMS

open access: yesFrontiers in Materials, 2023
Magnetorheological Elastomers (MREs) are smart materials with the ability to modulate their mechanical properties by changing the external magnetic fields, offering extensive potential for applications requiring variable stiffness and damping devices.
Xuewei Huang   +4 more
doaj   +1 more source

Equivalent normal stiffness of filled joint.

open access: yes, 2021
Equivalent normal stiffness of filled joint.
Jianguo Wang (1400488)   +4 more
core   +1 more source

Research and analysis of resonant and stiffness of cylindrical dielectric elastomer actuator

open access: yesMaterials Research Express, 2021
Dielectric elastomer actuators draw great interest in the emerging technology of soft actuations. The drifting of resonance frequency and variable stiffness are commonly existed in soft actuations.
Jin Li   +4 more
doaj   +1 more source

Analysis of impact characteristics of hydraulic column based on bidirectional fluid-structure coupling

open access: yesMeikuang Anquan, 2022
As the most important bearing component of the hydraulic support, the bearing performance of the column has a huge influence on the supporting effect of the whole hydraulic support.
LIU Ya   +8 more
doaj   +1 more source

Effect of Adding a Styrene-Butadiene Rubber Damper to A Sled Sample and Extraction of Its Equivalent Stiffness and Damping [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2023
Protection of sled systems from destructive vibrations is inevitably under attraction due to the importance of sled testing in the aerospace industry. A pair of SBR dampers were used between the slipper and the sled body to reduce vertical vibrations, so
Mohammad Reza Najafi   +1 more
doaj   +1 more source

Flutter analysis for wing structure using finite element modeling with equivalent stiffness [PDF]

open access: yes, 2014
The aim of this study is to find a rapid and accurate method for wing flutter prediction in the early stage of aircraft design. A method using the concept of equivalent stiffness is presented for the modal and flutter analysis of a wing.
Ouyang, Xing, Wang, Yu, Yu, Xiongqing
core   +4 more sources

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