Impulsive responses of framed structures using a matrix method with a numerical laplace transform. (1st Report, A case of structures consisting of straight-bar elements).

忠晴, 足立; 啓二, 波多野; 貞幸, 宇治橋; 浩之, 松本

doi:10.1299/kikaia.56.917

Cited by 2 publications

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“…On the other hand, Krings et al (3) changed the equation of the Laplace inverse transformation such that the fast Fourier transformation (FFT) algorithm could be used. Using this method, Adachi et al (4), (5) analyzed the impulse response of a finite circular cylindrical shell under the action of longitudinal water hammer waves and that of frame structures in combination with the matrix method. Iwasaki et al (6) modified the method used by Krings and Waller and proposed a numerical method using both the Laplace transformation and finite element method.…”

Section: Introductionmentioning

confidence: 99%

Wave Propagation Properties of Frame Structures-Formulation for Three-Dimensional Frame Structures

Nishida

2006

JSME international journal. Ser. B, Fluids and thermal engineer

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Since it is generally difficult to predict the occurrence of natural disasters such as earthquakes, a performance management system that constantly maintains the safety and functionality of structures is required, particularly for critical structures like nuclear power plants. In order to realize such a system, it is becoming important to carry out detailed modeling procedures and analyses to better understand actual phenomena. The aim of our research is to determine the dynamic behavior-especially the wave propagation phenomena-of piping systems in nuclear power plants, which are complicated assemblages of parts. The spectral element method is adopted in this study, and the formulation considering a shear deformation independently for a frame element is described. The Timoshenko beam theory is introduced for the purpose of this formulation. The validity of the presented element will be shown through comparisons with the conventional beam element.

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Section: Introductionmentioning

confidence: 99%

Wave Propagation Properties of Frame Structures-Formulation for Three-Dimensional Frame Structures

Nishida

2006

JSME international journal. Ser. B, Fluids and thermal engineer

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A STUDY ABOUT WAVE PROPAGATION BEHAVIOR OF SPATIAL STRUCTURES : Impact response analysis of single layer lattice domes

Nishida

Hangai

1995

Nihon Kenchiku Gakkai Kozokei Ronbunshu

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Many research have been presented abeut the wave propagation behaviou 【s of continuum spatial structures such as pla じ e and cylindrical shell ． But ， dロ e to the numerica 置 difficulty ，【 here are very few fesearch for discre じ e spa し iai strし lctures ．The objective of this pape τ is to examine wav 巳 propaga 重三〇n behav 正 ours of single layer la【tice domcs subjected 亡o the impac 匚 at 宜he center node ， In thefirst part， an analytical method bas 巳d Dn thc Fouri 巳r transform a皿 d a matrix method is presented ． In 山 esecond parら an impacted two dimensional lattice beam is analyzed i皿 order to estimate the validi 【 y ofthe analytical method ． 1n the lasI part ， nine types of siflglc layer lattice dDme are analyzed to examin 巳 the effect of member distribut 正 o 罵 densily ， member arrangement pa 臆ern and 血ow Io con ． nect thejoints ， e 電c ．， upon the wave propaga 重ion behaviours ． KeywordS ：wavepropagatibn ， diScrete structUre ， Fourier transform， dynan ；ic snthess metho4 single layer lattice dome

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Impulsive responses of framed structures using a matrix method with a numerical laplace transform. (1st Report, A case of structures consisting of straight-bar elements).

Cited by 2 publications

References 1 publication

Wave Propagation Properties of Frame Structures-Formulation for Three-Dimensional Frame Structures

Wave Propagation Properties of Frame Structures-Formulation for Three-Dimensional Frame Structures

A STUDY ABOUT WAVE PROPAGATION BEHAVIOR OF SPATIAL STRUCTURES : Impact response analysis of single layer lattice domes

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