Results 11 to 20 of about 390 (156)

In-plane nonlinear postbuckling and buckling analysis of Lee’s frame using absolute nodal coordinate formulation

open access: yesCurved and Layered Structures, 2023
In this study, four absolute nodal coordinate formulation (ANCF)-based approaches are utilized in order to predict the buckling load of Lee’s frame under concentrated load.
Shaukat Abdur Rahman   +4 more
doaj   +1 more source

Application of Absolute Nodal Coordinate Formulation in Calculation of Space Elevator System

open access: yesApplied Sciences, 2021
The space elevator system is a space tether system used to solve low-cost space transportation. Its high efficiency, large load, reusability and other characteristics have broad application prospects in the aerospace field.
Shihao Luo, Youhua Fan, Naigang Cui
doaj   +1 more source

Application of Stable Inversion to Flexible Manipulators Modeled by the ANCF

open access: yesCoRR, 2022
Compared to conventional robots, flexible manipulators offer many advantages, such as faster end-effector velocities and less energy consumption. However, their flexible structure can lead to undesired oscillations. Therefore, the applied control strategy should account for these elasticities.
Svenja Drücker, Robert Seifried
openaire   +2 more sources

Dimensionless numerical analysis method for flexible body with large deformation, displacement and time-varying length

open access: yesNihon Kikai Gakkai ronbunshu, 2021
A tethered system, which is a multibody system in which multiple rigid bodies are connected via a flexible tether, is currently used for space and deep-sea exploration.
Riko OGAWARA, Yoshiaki TERUMICHI
doaj   +1 more source

Mechanical Deformation Analysis of a Flexible Finger in Terms of an Improved ANCF Plate Element

open access: yesMachines, 2022
In recent years, flexible continuum robots have been substantially developed. Absolute nodal coordinates formulation (ANCF) gives a feasible path for simulating the behavior of flexible robots. However, the model of finger-shaped robots is often regarded
Yu Xing   +6 more
doaj   +1 more source

Effects of Orbital Perturbations on Deployment Dynamics of Tethered Satellite System Using Variable-Length Element

open access: yesIEEE Access, 2021
Orbital perturbations caused by the space environment will induce deviations compared with the prescribed motion trajectory or dynamic performance of the tethered satellite system (TSS).
Zhengfeng Bai, Xin Jiang
doaj   +1 more source

A Variable-Length Rational Finite Element Based on the Absolute Nodal Coordinate Formulation

open access: yesMachines, 2022
The variable-length arbitrary Lagrange–Euler absolute nodal coordinate formulation (ALE-ANCF) finite element, which employs nonrational interpolating polynomials, cannot exactly describe rational cubic Bezier curves such as conic and circular curves. The
Zhishen Ding, Bin Ouyang
doaj   +1 more source

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

open access: yesNihon 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

Dimension reduction method for controller design for flexible multibody systems derived by the use of ANCF model

open access: yesNihon Kikai Gakkai ronbunshu, 2015
Absolute Nodal Coordinate Formulation (ANCF) is a kind of finite element method for the flexible multibody system with large deformation and large rotation.
Yoshiki SUGAWARA   +2 more
doaj   +1 more source

Dimensionless approach for transient behaviour of flexible body with time-varying length

open access: yesNihon Kikai Gakkai ronbunshu, 2023
In this study, transient analysis of flexible body motion with time-varying length is conducted using dimensionless finite element model (FEM). First, the equation of motion for a flexible body with large deformation, displacement and time-varying length
Riko OGAWARA, Yoshiaki TERUMICHI
doaj   +1 more source

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