Results 21 to 30 of about 17,210 (258)

Generalized modal reduction method for the dynamic analysis of rotating mechanical systems

open access: yesApplied and Computational Mechanics, 2020
The paper proposes modal reduction method of the dynamic systems composed of linear nonconservative subsystems coupled by nonlinear discrete couplings.
Zeman V., Hlaváč Z.
doaj   +1 more source

Algorithms for synthesis of control systems for dynamic objects based on the modal method [PDF]

open access: yesE3S Web of Conferences, 2023
Algorithms for the synthesis of control systems for dynamic objects based on the modal method are given. Algorithms have been developed for determining the placement of poles in multidimensional systems with proportional-differential feedback on the ...
Sevinov Jasur, Boeva Oqila
doaj   +1 more source

Substructure elimination method for vibration systems governed by a one-dimensional wave equation

open access: yesMechanical Engineering Journal, 2023
This paper presents a vibration analysis using the substructure elimination method for vibration systems governed by a one-dimensional wave equation. The utilization of a one-dimensional continuous body serves as a suitable approach for understanding the
Keisuke YAMADA, Jinchen JI
doaj   +1 more source

Research Progress of Synthesis and Modification Methods Based on Dynamic Substructures

open access: yesShock and Vibration, 2020
In the process of model modification of large and complex structures, substructure synthesis method and modal reduction method have been widely used, but there are still some difficulties in precision control and engineering application in the process of
Jintao Su, Bangdong Wang
doaj   +1 more source

Influence Factors Analysis on the Modal Characteristics of Irregularly-Shaped Bridges Based on a Free-Interface Mode Synthesis Algorithm

open access: yesAlgorithms, 2017
In order to relieve traffic congestion, irregularly-shaped bridges have been widely used in urban overpasses. However, the analysis on modal characteristics of irregularly-shaped bridges is not exhaustive, and the effect of design parameters on modal ...
Hanbing Liu   +4 more
doaj   +1 more source

A Combination of Modal Synthesis and Subspace Iteration for an Efficient Algorithm for Modal Analysis within a FE-Code

open access: yesShock and Vibration, 2003
Various well-known modal synthesis methods exist in the literature, which are all based upon certain assumptions for the relation of generalised modal co-ordinates with internal modal co-ordinates.
M.W. Zehn
doaj   +1 more source

Free-Interface Modal Synthesis Based Substructural Damage Detection Method

open access: yesShock and Vibration, 2014
Free-interface modal synthesis method is applied to civil structure, and a substructure method is proposed by introducing the method into global sensitivity method.
Shanghong Chen   +3 more
doaj   +1 more source

METHOD OF MODAL SYNTHESIS IN THE DYNAMICS OF A DEFORMABLE SPATIAL STRUCTURE

open access: yesFar East Journal of Dynamical Systems, 2018
The modal analysis of a rotating elastic space vehicle composed of a central rigid body connected to two solar arrays is the subject of this investigation. The global modes differential equations of the whole mechanical system are defined by means of Hamilton variational principle.
Sylla, Moussa   +1 more
openaire   +1 more source

Feasibility study of performing experimental modal analysis with oblique impact testing using various oblique impact directions

open access: yesAlexandria Engineering Journal, 2020
Oblique impact excitation has been introduced in Experimental Modal Analysis (EMA), with the great advantage of reducing the conventional EMA’s testing time by a factor of three.
Shin Yee Khoo   +4 more
doaj   +1 more source

Study on the Coupled Vibration Characteristics of a Two-Stage Bladed Disk Rotor System

open access: yesApplied Sciences, 2021
This paper conducts a coupled vibration analysis of a two-stage bladed disk rotor system. According to the finite element method, the bladed disk rotor system is established.
Yinxin Yu   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy