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A full-scale finite-element model of the Vasa ship
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Tillämpad mekanik.ORCID-id: 0000-0003-3384-3971
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Mikrosystemteknik.
Swedish National Maritime Museums, the Vasa Museum.
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Tekniska sektionen, Institutionen för teknikvetenskaper, Tillämpad mekanik.
Vise andre og tillknytning
2017 (engelsk)Inngår i: Proceedings of ECCOMAS Thematic Conference CompWood 2017: Computational Methods in Wood Mechanics, 2017Konferansepaper, Oral presentation with published abstract (Fagfellevurdert)
Abstract [en]

A full-scale model of the 17th century Vasa shipwreck has been developed to assess its current and future structural stability as well as design an improved support structure. A wireframe model, consisting of only lines, points and curves to describe the geometry of the ship, has been provided by the Vasa museum. It has been developed based on geodetic measurements using a total station. From this wireframe model, a three-dimensional (3D) model comprising solid bodies for solid-like parts (i.e. hull and keel), surfaces for the shell-like components (deck planks) and lines for beam-like constituents (deck beams) has been developed in Creo Parametric 3D software. This geometric model has been imported in finite-element software, Ansys, for further development of the stiffeners (knees, riders, stanchions, masts, etc.), adjustment of the correct location of deck beams and, finally, structural analyses of the entire ship (Figure 1). The procedure for selection of the different types of elements in the finite-element (FE) model, the definition of orthotropic material properties for the timber structure and preliminary results are discussed in this paper. Experiences drawn from this engineering project may also be useful in development of finite element models for structural assessment of other complex wooden structures in cultural heritage.

sted, utgiver, år, opplag, sider
2017.
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-332819OAI: oai:DiVA.org:uu-332819DiVA, id: diva2:1154265
Konferanse
ECCOMAS Thematic Conference CompWood 2017: Computational Methods in Wood Mechanics-from Material Properties to Timber Structure, June 7-9, 2017, Vienna, Austria
Tilgjengelig fra: 2017-11-02 Laget: 2017-11-02 Sist oppdatert: 2017-11-14bibliografisk kontrollert

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Afshar, RezaAlavyoon, Navidvan Dijk, Nico P.Vorobyev, AlexeyGamstedt, Kristofer
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