WebOct 3, 2011 · The proposed method of analysis is based on the general theory of spatially periodic structures. The main feature of this theory is the possibility to apply Discrete Fourier Transform (DFT) in order to reduce a large system of q (2 N + 1) linear stiffness equilibrium equations to a set of 2 N + 1 uncoupled systems of q equations each. WebThe dynamic analysis of large area space structures is restricted by cost and utter size of the computer analysis. An efficient analysis must take advantage of construction periodicity inherent in many structures. In the analysis described here a finite element transfer matrix method is employed to eliminate internal degrees of freedom from the basic unit of a …
Structural Dynamic Analysis of Cyclic Symmetric Structures
WebJul 1, 2007 · Periodic forced response of structures having three-dimensional frictional constraints. Journal of Sound and Vibration, 229 (4) (2000), pp. 775-792. ... Dynamics of rotationally periodic structures. International Journal for Numerical Methods in Engineering, 14 (1979), pp. 81-102. WebApr 19, 2001 · The forced vibration of a rotationally periodic structure when subjected to travelling wave excitation is discussed, with emphasis placed on the steady-state response of doublet modes having either repeated or split frequencies. Such vibration modes have spatially modulated shapes defined by (1) the number of nodal diameters … the pretenders youtube songs
Dynamical analysis of multi-stage cyclic structures
WebAug 7, 2024 · In a previous study, we proposed a method for the damping of rotationally periodic structures, when a specific mode with n nodal diameters is targeted. The proposed method considers 4n lead zirconate titanate patches (or a multiple of) which can be, either, shunted independently on 4n identical resistor–inductor circuits, or mounted in … WebThe status and some recent developments of continuum modeling for large repetitive lattice structures are summarized. Discussion focuses on a number of aspects including definition of an effective substitute continuum; characterization of the continuum model; and the different approaches for the generation of the properties of the continuum, namely, … sight at low tide nyt crossword