automated design and strength analysis of single-contour geodetic shells composed of flat elements

Clicks: 144
ID: 142833
2012
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Abstract
The article is a brief review of the research of the stress-deformation state of a structure that represents a hemispherical geodetic dome exposed to the dead load. Single-contour geodetic domes composed of flat plates are the subject of the research. The process of their design has two stages: (a) design of geometric models of geodetic domes and (b) analysis of domes. The authors demonstrate that the first stage can be implemented through the employment of the library of ArchiCAD objects. Supplementary research is needed to have the second stage implemented. The objective of this research is to present the results of the research using computer-aided methods of modeling of metal structures. The analysis of smooth hemispherical domes is performed using analytical and finite-element methods within the Patran/Nastran environment. The authors demonstrate that the results of the finite-element method analysis converge with the results of the analytical method analysis. Conversion of geometric models of geodetic domes into the format that satisfies Patran preprocessor requires the employment of the Visual Basic software. Ultimately, comparison between the results obtained in respect of the geodetic dome and the analytical results obtained in respect of the smooth dome exposed to the dead load is performed. The conclusion is that the maximal stress experienced by a single-contour geodetic dome, in the event of reduction of sizes of plates, converges with the maximal stress of similar smooth domes.
Reference Key
nikolaevich2012vestnikautomated Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Suprun Anatoliy Nikolaevich;Dyskin Lev Matveevich;Platov Aleksandr Yurevich;Lakhov Andrey Yakovlevich
Journal PsyCh journal
Year 2012
DOI
DOI not found
URL
http://vestnikmgsu.ru/files/archive/issues/2012/8/ru/33.pdf
Keywords
analysis numerical modelingarchitectureconstruction industry

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