Direct and Modal Analyses for Shape-Finding of Unstable Structures

by Tetsuyuki Tanami, Taiyo Kogyo Corp, Tokyo, Japan,
Yasuhiko Hangai, Taiyo Kogyo Corp, Tokyo, Japan,

Document Type: Proceeding Paper

Part of: Spatial, Lattice and Tension Structures


Shape-finding analysis of unstable structures has been presented by using generalized inverse (Tanaka and Hangai, 1986). The 'Modal Analysis' using rigid body modes is elegant, but the computer programming for the numerical calculation of the modes is not simple. Therefore we propose another method named 'Direct Analysis' without using rigid body modes in the paper.

Subject Headings: Structural analysis | Modal analysis | Computer programming | Cables | Computer analysis | Tensile structures | Rigid body dynamics

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