Results 11 to 20 of about 58,695 (200)

Low-profile prosthetic foot stiffness category and size, and shoes affect axial and torsional stiffness and hysteresis [PDF]

Frontiers in Rehabilitation Sciences
IntroductionPassive-elastic prosthetic feet are manufactured with numerical stiffness categories and prescribed based on the user's body mass and activity level, but mechanical properties, such as stiffness values and hysteresis are not typically ...
Joshua R. Tacca, Joshua R. Tacca, Zane A. Colvin, Alena M. Grabowski, Alena M. Grabowski   +4 more
doaj   +2 more sources

Research on the effects of curvature and shear keys on torsional stiffness and interfacial stress of segmented U-shaped curved bridge [PDF]

Scientific Reports
This paper investigates the segmental U-shaped curved bridge of Bogotá Metro Line 1 project in Colombia. The effects of curvature radius (R) of the bridge and shear keys (number, arrangement, and size) at inter-segment bonding joints on the bridge’s ...
Shuai Zhang, Chuang Wang, Hongchun Qu, Wenjie Xu, Lin Xiao, Qingsong Fan, Chuanbiao Wang, Yanqun Han   +7 more
doaj   +2 more sources

Calculation of the dynamic stiffness of a cantilever under torsional oscillation [PDF]

Beilstein Journal of Nanotechnology
Atomic force microscopy using Si cantilevers provides an effective means for investigating both conservative and dissipative interactions in the vertical and lateral directions between the tip and the sample.
Keita Nishida, Yuuki Yasui, Yoshiaki Sugimoto   +2 more
doaj   +2 more sources

Research on influence of tire stiffness characteristics on shimmy of large civil aircraft nose landing gear

Hangkong gongcheng jinzhan, 2023
Tire stiffness is one of the important parameters of tire dynamics model. The influence law of tire stiffness on the shimmy of large civil aircraft nose landing gear can provide reference for the anti-shimmy design of large civil aircraft nose landing ...
FENG Guang, DING Jianbin, JIANG Yiyao, JIN Jun, YU Haowen, JIANG Bingyan   +5 more
doaj   +1 more source

Torsional Stiffness Analysis Based on Lagrangian Method for Precision Rotary Vector Reducer with Involute Variable Tooth Thickness

Applied Sciences, 2022
The precision rotary vector reducer with involute variable tooth thickness (PRVT) is a high-performance precision transmission device, which is very suitable for aerospace, medical machinery, industrial robots, automation equipment, and other fields, and
Le Chang, Yucheng Huang, Najeeb Ullah, Ling Zhu, Zhenyu Lv, Yuanlin Jing   +5 more
doaj   +1 more source

Out-of-Plane Stability of Circular Steel Tubular Vierendeel Truss Arches Incorporating Torsional Effects of Chords

Applied Sciences, 2023
Torsional stiffnesses of chords contribute considerably to the sectional torsional stiffness of steel tubular Vierendeel truss arches and hence determine their out-of-plane buckling.
Qunfeng Liu, Yun Feng, Chang Wang, Xing Wu, Xiang Ren   +4 more
doaj   +1 more source

A passively adaptive screwdriver: a novel concept for controlling off-diagonal stiffness [PDF]

, 2006
A concept for an automated screw driving mechanism is presented. The proposed mechanism has a self-adjusting axial stiffness that depends on the torsional resistance against screwing.
Aitchison, D. R., Ilanko, Sinniah, McCallion, H.   +2 more
core   +2 more sources

Experimental investigation into amplitude-dependent modal properties of an eleven-span motorway bridge [PDF]

, 2015
The authors would like to thank their supporters. New Zealand Earthquake Commission (EQC) Research Foundation provided financial support for experimental work (Grant No. UNI/578). New Zealand Transport Agency (NZTA) provided access to the bridge.
Beskhyroun, Sherif, Chen, Ge-Wei, Omenzetter, Piotr   +2 more
core   +1 more source

Vibration and buckling of thin-walled composite I-beams with arbitrary lay-ups under axial loads and end moments [PDF]

, 2013
A finite element model with seven degrees of freedom per node is developed to study vibration and buckling of thin-walled composite I-beams with arbitrary lay-ups under constant axial loads and equal end moments.
Banerjee J. R., Banerjee J. R., Bank L. C., Bleich F., Gjelsvik A., Jaehong Lee, Jones R.M., Joshi A., Joshi A., Kaya M., Kim N. I., Kim N. I., Kim N. I., Lee J., Lee J., Lee J., Leung A.Y. T., Leung A.Y. T., Leung A.Y. T., Leung A.Y. T., Li J., Li J., Machado S.P., Mohri F., Mohri F., Pavlovic R., Sapountzakis E. J., Sapountzakis E. J., Sapountzakis E. J., Thuc Phuong Vo, Timoshenko S., Timoshenko S., Vlasov V. Z., Voros G. M.   +33 more
core   +2 more sources

Influence of torsional stiffness on load sharing coefficient of a power split drive system

MATEC Web of Conferences, 2018
A dynamic model of power split transmission system with face gear and cylindrical gear is established. The factors including time-varying mesh stiffness, torsional stiffness, supporting stiffness, and clearance are considered in the model.
Jin Guanghu, Ren Wei, Zhu Rupeng
doaj   +1 more source