Results 81 to 90 of about 2,154 (226)

Dynamics and Staged Deployment Strategy for a Spinning Tethered Satellite System

Aerospace
This paper investigates flexible multibody dynamic modeling and a staged deployment strategy for large-scale spinning tethered satellite systems, targeting deployment instability, inefficiencies, and tension-induced fracture risks.
Yue Zhang, Kai Chen, Jiawen Guo, Cheng Wei   +3 more
doaj   +1 more source

Structural sensitivity analysis of flexible multibody systems modeled with the floating frame of reference approach using the adjoint variable method

, 2016
For the efficient analysis and optimization of flexible multibody systems, gradient information is often required. Next to simple and easy-to-implement finite difference approaches, analytical methods, such as the adjoint variable method, have been ...
Seifried, Robert, Knüfer, Sven, Held, Alexander   +2 more
core  

Fast simulation of flexible multibody dynamics with electric-hydraulic drive system

, 2013
Hardware in the loop simulation (HILS) has been investigated in the field of the multibody dynamics (MBD), which combined the MBD simulation with the actual mechanical system.
Nanjo, Takao, Imanishi, Etsujiro
core   +1 more source

Topology optimization of members of flexible multibody systems under dominant inertia loading

, 2018
The topology optimization of members of flexible multibody systems is considered for energy-efficient lightweight design, where the gradient calculation has an essential role.
Seifried, Robert, Moghadasi, Ali, Held, Alexander   +2 more
core  

Research on Microvibrations Generated by a Control Moment Gyroscope on a Flexible Interface Based on a Dynamic Substructure Method

International Journal of Aerospace Engineering, 2018
Microvibrations generated by a control moment gyroscope (CMG) will couple with a flexible spacecraft structure, and this seriously degrades certain point performances of a spacecraft. This study focuses on investigating the coupled microvibrations caused
Xiongfei Li, Wei Cheng
doaj   +1 more source

Dynamic Modeling and Ground Test of Tethered-net

MATEC Web of Conferences, 2018
Flexible tethered-net, a new kind of structure for advanced concepts in space exploration, has special potential application such as capturing space debris and building huge antenna.
Qing-quan Chen, Qing-bin Zhang, Qian-gang Tang   +2 more
doaj   +1 more source

A modal multifield approach for an extended flexible body description in multibody dynamics

, 2005
This paper presents a new methodology to simulate the behaviour of flexible bodies influenced by multiple physical field quantities in addition to the classical mechanical terms.
Arnold, Martin, Heckmann, Andreas, Vaculin, Ondrej   +2 more
core  

The DLR FlexibleBody library to model large motions of beams and of flexible bodies exported from finite element programs

, 2006
The new DLR FlexibleBodies library enables and supports the object-oriented and mathematically efficient modelling of flexible bodies as components of mutlibody and of arbitrary physical systems. It provides Modelica model classes to model (a) beams and (
Dietz, Stefan, Otter, Martin, Heckmann, Andreas, López, José Díaz   +3 more
core  

同步带传动的虚拟样机建模与动态性能研究

Jixie chuandong, 2013
The full-scale prototype virtual prototyping model is created by using the RecurDyn software based on flexible multibody system dynamics.Through the dynamic simulation analysis,a block of the required system dy-namic parameters and dynamic parameters ...
马志平, 葛正浩, 姚增凯, 张凯凯   +3 more
doaj  

A Novel Flexible Multibody System Dynamic Analysis Platform of Tower Crane

Machines
Current research on tower crane control lacks high-fidelity models and fails to account for the coupling effects between the tower crane structure and the hoisting and luffing systems.
Zuqing Yu, Hongjing Li
doaj   +1 more source