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Allen & Jones Revisited
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Naval Systems.ORCID iD: 0000-0002-2093-3073
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Naval Systems.ORCID iD: 0000-0002-8343-5098
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Naval Systems.ORCID iD: 0000-0002-9110-9401
(English)Manuscript (preprint) (Other academic)
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-118809OAI: oai:DiVA.org:kth-118809DiVA: diva2:608532
Note

QS 2013

Available from: 2013-02-28 Created: 2013-02-28 Last updated: 2013-02-28Bibliographically approved
In thesis
1. On Structural Design of High-Speed Craft
Open this publication in new window or tab >>On Structural Design of High-Speed Craft
2013 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

The development in structural design and construction of high-speed craft has been extensive during the last decades. Environmental and economical issues have increased the need to develop more optimized structures, using new material concepts, to reduce weight and increase performance efficiency. However, both lack of, and limitations in design methodology, makes this a difficult task.

In this thesis a methodological framework which enables detailed studies of the slamming loads and associated responses for high-speed planing craft in irregular waves is established. The slamming loads can either be formulated based on numerical simulations, or on experimental measurements and pressure distribution reconstruction. Structure responses are derived in the time-domain using finite element analysis. Statistical methods are used to determine design loads and lifetime extreme responses.

The framework is applied to perform phenomenological studies of the slamming loading conditions for high-speed craft, and used to highlight and quantify the limitations in the prevailing semi-empirical method for design load determination with respect to slamming. A number of clarifications regarding the original derivation and the applicability of the prevailing semi-empirical method are presented. Finally, several potential improvements to the method are presented and the associated implications discussed.

The long-term goal of the research project is to establish a method for direct calculation of loads and response for high-speed planing craft, which can enable design of truly efficient craft structures. The methodology and the results presented in this thesis are concluded to be important stepping-stones towards this goal. 

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2013. xi, 32 p.
Series
Trita-AVE, ISSN 1651-7660 ; 2013-06
Keyword
slamming, high-speed craft, finite-element analysis, design methods, experimental analysis, numerical simulations, design loads, statistical analysis
National Category
Vehicle Engineering
Identifiers
urn:nbn:se:kth:diva-118786 (URN)978-91-7501-650-4 (ISBN)
Presentation
2013-03-21, D41, Lindstedtsvägen 17, KTH, Stockholm, 11:00 (English)
Opponent
Supervisors
Note

In page VII, Paper B is wrong title. The correct title is "Experiental Evaluation of Slamming Pressure Models Used in Structural Design of High-Speed Craft". QC 20130228

Available from: 2013-02-28 Created: 2013-02-27 Last updated: 2013-02-28Bibliographically approved

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Razola, MikaelRosén, AndersGarme, Karl

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