空間構造物の波動伝播特性に関する研究 : 単層ラチスドームの衝撃応答解析

概要

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Many research have been presented about the wave propagation behaviours of continuum spatial structures such as plate and cylindrical shell. But, due to the numerical difficulty, there are very few research for discrete spatial structures. The objective of this paper is to examine wave propagation behaviours of single layer lattice domes subjected to the impact at the center node. In the first part, an analytical method based on the Fourier transform and a matrix method is presented. In the second part, an impacted two dimensional lattice beam is analyzed in order to estimate the validity of the analytical method. In the last part, nine types of single layer lattice dome are analyzed to examine the effect of member distribution density, member arrangement pattern and how to connect the joints, etc., upon the wave propagation behaviours.
社団法人日本建築学会の論文
1995-08-30