Results 41 to 50 of about 113 (105)

A New Flexible Multibody Dynamics Analysis Methodology of Deployable Structures with Scissor-Like Elements

open access: yesChinese Journal of Mechanical Engineering, 2019
There are vast constraint equations in conventional dynamics analysis of deployable structures, which lead to differential-algebraic equations (DAEs) solved hard.
Qi’an Peng   +3 more
doaj   +1 more source

Shape Adjustment of a Large Planar Phased Array Antenna With Nonlinear Cable Actuators

open access: yesInternational Journal of Aerospace Engineering, Volume 2024, Issue 1, 2024.
Shape adjustment of large planar phased array antennas is significant because the shape distortion of phased arrays can greatly reduce the antenna’s gain in the observing direction. This study selects the inherent diagonal cables driven by motors as actuators, initially used to improve the stiffness of the antenna structure. The shape adjustment can be
Jiyang Zhou   +5 more
wiley   +1 more source

IMPROVED FINITE ELEMENT TRANSFER MATRIX METHOD OF PLANE BEAM ELEMENTS USING THE ABSOLUTE NODAL COORDINATE FORMULATION

open access: yesJixie qiangdu, 2016
For the dynamics problems of flexible beams with large overall motion,nonlinear element dynamic equations are established,adopting the absolute nodal coordinate formulation( ANCF).
QIAN ShuangLin   +4 more
doaj  

Investigation into the nonlinear structural behavior of tapered axially functionally graded material beams utilizing absolute nodal coordinate formulations

open access: yesScience and Engineering of Composite Materials
This study investigates the nonlinear structural behavior of axially functionally graded material beams composed of steel and aluminum through a systematic computational approach.
Shaukat Abdur Rahman   +4 more
doaj   +1 more source

Dynamic Simulation of Space Debris Cloud Capture Using the Tethered Net

open access: yesSpace: Science & Technology, 2021
Space debris, especially the space debris cloud, has threatened severely the safety of future space missions. In the framework of multibody system dynamics, a computational approach is proposed in this study to investigate the dynamics of net deployment ...
Qingtao Wang, Dongping Jin, Xiaoting Rui
doaj   +1 more source

Dynamics and experiments of a tendon-actuated flexible robotic arm for capturing a floating target

open access: yesDefence Technology
Reusable and flexible capturing of space debris is highly required in future aerospace technologies. A tendon-actuated flexible robotic arm is therefore proposed for capturing floating targets in this paper.
Xin Xia, Yunpeng Sun, Jialiang Sun
doaj   +1 more source

Dynamics Analysis of Deployable Structures considering a Two-Dimensional Coupled Thermo-Structural Effect

open access: yesInternational Journal of Aerospace Engineering, 2018
The deployment accuracy of deployable structures is affected by temperature and flexibility. To obtain the higher accuracy, various measures such as the optimization design and the control process are employed, and they are all based on deployment ...
Qi’an Peng   +4 more
doaj   +1 more source

Dynamics Analysis of Multibody Systems Based on Flexible Thermal Coupling Solid Elements

open access: yesActuators
In high-precision fields such as automotive and aerospace, solid elements are commonly used to verify the dynamic response of key components, which can comprehensively simulate three-dimensional stress, deformation, and temperature field changes. In this
Zuqing Yu, Yibin Shen
doaj   +1 more source

Critical Flow Velocity Analysis of Multi-Span Viscoelastic Micro-Bending Irrigation Pipelines

open access: yesAgriculture
Irrigation pipelines are critical agricultural hydraulic facilities that often develop minor bending defects due to ground settlement or improper installation.
Sihao Wu   +4 more
doaj   +1 more source

Dynamic Contact between a Wire Rope and a Pulley Using Absolute Nodal Coordinate Formulation

open access: yesMachines, 2016
Wire rope and pulley devices are used in various machines. To use these machines more safely, it is necessary to analyze the behavior of the contact between them. In this study, we represent a wire rope by a numerical model of a flexible body.
Shoichiro Takehara   +2 more
doaj   +1 more source

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