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Publication year | 2005 |
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Title | FORM-FINDING FOR MINIMUM CURVED SURFACE HAVING ARBITRARY BOUNDARY SHAPE BY SUBSTITUTING AXIAL-FORCE LINE ELEMENTS FOR SOAP FILM ELEMENTS |
Author | Hiroyuki Obiya,Katsushi Ijima,Takashi Murakami,Hiroyuki Nishida,Shin-ichi Iguchi |
Summary | This study describes rational calculation technique to determine soap film isotonic surface (= minimum shape) having arbitrary boundary shape. Axial-force line element whose element force is proportionate to its own length can find a complete balanced shape without iterations. Therefore, the shape can be primary shape for isotonic surface analysis, and we can obtain minimum surface even when it has so much complex boundary shape in the space. |