Results 31 to 40 of about 8,142,265 (256)

Analytical solution of the bending of a bi-convex boom

Mechanical Engineering Journal, 2015
This paper derives closed-form solutions for the local deformation of a bi-convex boom under circular bending, and the resulting strain energy and self-extending force.
Yasuyuki MIYAZAKI, Shota INOUE, Akihiro TAMURA   +2 more
doaj   +1 more source

Experimental Investigation on Integrated Subsurface Monitoring of Soil Slope Using Acoustic Emission and Mechanical Measurement

Applied Sciences, 2021
Compared with slope surface measurement, subsurface monitoring has the potential to detect abnormal changes at an earlier stage. Due to the large-scale deformation of landslides and the complex geological environment, the existing subsurface devices ...
Lizheng Deng, Hongyong Yuan, Jianguo Chen, Ming Fu, Yang Chen, Kaiyuan Li, Miaomiao Yu, Tao Chen   +7 more
doaj   +1 more source

Reduction of degrees of Freedom in three-dimensional ANCF beam of 24-DOF beam element by component mode synthesis

Nihon Kikai Gakkai ronbunshu, 2014
This paper describes how to reduce degrees of freedom for the absolute nodal coordinate formulation (ANCF) of three-dimensional beam made up of 24 degrees of freedom beam elements by applying the component mode synthesis. The stiffness matrix of the ANCF
Kosuke KADOKURA, Nobuyuki KOBAYASHI
doaj   +1 more source

Free vibration analysis of a string with vibration suppressor

Nihon Kikai Gakkai ronbunshu, 2014
When an elevator rope for a high-rise building is forcibly excited by the displacements of the building induced by wind forces and/or by long-period ground motion.
Hiroyuki KIMURA
doaj   +1 more source

Experiment and Simulation of the Shape and Stored Gas Characteristics of the Flexible Spherical Airbag for Underwater Compressed Air Energy Storage

Journal of Marine Science and Engineering, 2023
Underwater compressed air energy storage (UCAES) is an advanced technology used in marine energy systems. Most components, such as turbines, compressors, and thermal energy storage (TES), can be deployed on offshore platforms or on land.
Mingyao Liu, Ke Sun, Xudong Wang, Changbo Lu, Gang Ma, Kai Long   +5 more
doaj   +1 more source

Structural strength analysis of car Ro-Ro ship with different flexible support decks under racking condition

Zhongguo Jianchuan Yanjiu, 2019
[Objectives] The problem of transverse strength of car Ro-Ro ship under racking condition is studied.[Methods] seven kinds of flexible support decks were designed based on the finite element software MSC PATRAN/NASTRAN to study the influence of different
Ni Minjie, Yu Yishan, Wang Lijun, Zhang Jiping, Xie Yonghe   +4 more
doaj   +1 more source

De Novo Design of Spiro-Type Hole-Transporting Material: Anisotropic Regulation Toward Efficient and Stable Perovskite Solar Cells

Research
2,2′,7,7′-Tetrakis(N,N-di-p-methoxyphenyl)-amine-9,9′-spirobifluorene (Spiro-OMeTAD) represents the state-of-the-art hole-transporting material (HTM) in n-i-p perovskite solar cells (PSCs).
Xuran Wang, Mingliang Wang, Zilong Zhang, Dong Wei, Shidong Cai, Yuheng Li, Rui Zhang, Liangliang Zhang, Ruidan Zhang, Chenhui Zhu, Xiaozhen Huang, Feng Gao, Peng Gao, Yang Wang, Wei Huang   +14 more
doaj   +1 more source

A New Type of Misaligned Journal Bearing with Flexible Structure

Lubricants, 2023
A flexible structure is applied to improve the lubrication performance of a misaligned journal bearing. The journal bearing is a representative sliding bearing, and there is damage due to metal-to-metal contact as a result of misalignment.
Woo-Ju Jeon, Sung-Ho Hong
doaj   +1 more source

MODELING AND CONTROL OF FLEXIBLE STRUCTURES WITH WEAKNESSES [PDF]

, 2010
The modeling and control of flexible structures with weaknesses is investigated. First a modular, computationally efficient, and numerically stable method is presented, which allows to obtain the dynamic model of a robot constituted by flexible links ...
Coppola, Alessandro
core   +1 more source

Motion and vibration control of a stacker crane by 2-degree-of-freedom model-following control using an internal characteristic of the model

Nihon Kikai Gakkai ronbunshu, 2020
In the logistic system, it is necessary to reduce the weight of the structure to realize energy-saving and highly efficient conveyance of a stacker crane that conveys packages in a warehouse.
Takeshi MURAKAMI, Koichi OSUKA
doaj   +1 more source