<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <title>UTas ePrints - Transient dynamic slam response of large high speed catamarans</title> <script type="text/javascript" src="http://eprints.utas.edu.au/javascript/auto.js"><!-- padder --></script> <style type="text/css" media="screen">@import url(http://eprints.utas.edu.au/style/auto.css);</style> <style type="text/css" media="print">@import url(http://eprints.utas.edu.au/style/print.css);</style> <link rel="icon" href="/images/eprints/favicon.ico" type="image/x-icon" /> <link rel="shortcut icon" href="/images/eprints/favicon.ico" type="image/x-icon" /> <link rel="Top" href="http://eprints.utas.edu.au/" /> <link rel="Search" href="http://eprints.utas.edu.au/cgi/search" /> <meta content="Thomas, Giles A." name="eprints.creators_name" /> <meta content="Davis, Michael R." name="eprints.creators_name" /> <meta content="Holloway, Damien S." name="eprints.creators_name" /> <meta content="Roberts, Timothy J." name="eprints.creators_name" /> <meta content="giles@amc.edu.au" name="eprints.creators_id" /> <meta name="eprints.creators_id" /> <meta name="eprints.creators_id" /> <meta name="eprints.creators_id" /> <meta content="conference_item" name="eprints.type" /> <meta content="2007-11-21 23:05:42" name="eprints.datestamp" /> <meta content="2008-02-03T23:52:23Z" name="eprints.lastmod" /> <meta content="show" name="eprints.metadata_visibility" /> <meta content="Transient dynamic slam response of large high speed catamarans" name="eprints.title" /> <meta content="pub" name="eprints.ispublished" /> <meta content="291202" name="eprints.subjects" /> <meta content="291203" name="eprints.subjects" /> <meta content="public" name="eprints.full_text_status" /> <meta content="paper" name="eprints.pres_type" /> <meta content="In order to optimise the structural design of lightweight high speed vessels knowledge is required of the effect of sea loads on their structure. Wet deck slam events are of particular importance for high speed catamarans. This paper reports on the use of dynamic finite element analysis to investigate the transient response of a large high speed catamaran to an extreme asymmetric wet deck slam. Such an extreme slam occurred whilst extensive full scale hull stress, motion and wave measurements were being conducted on a 96m catamaran. Dynamic finite element analysis, including the fluid-structure interaction, has been utilised to develop an extreme slam dynamic load case which may be utilised in the design process. Results from this analysis are compared with the stress levels obtained through applying the Det Norske Veritas (DNV) longitudinal bending moment (sagging) rule load case." name="eprints.abstract" /> <meta content="2003-10" name="eprints.date" /> <meta content="published" name="eprints.date_type" /> <meta content="8" name="eprints.pages" /> <meta content="FAST 2003 : The 7th International Conference on Fast Sea Transportation" name="eprints.event_title" /> <meta content="Ischia, Italy" name="eprints.event_location" /> <meta content="7 -10 October 2003" name="eprints.event_dates" /> <meta content="conference" name="eprints.event_type" /> <meta content="TRUE" name="eprints.refereed" /> <meta content="http://www.din.unina.it/" name="eprints.official_url" /> <meta content="1. MORRIS, J.A., 'A Three Dimensional Structural Analysis of a Large Wave Piercing Catamaran Design', IMAS 91 High Speed Marine Transportation, 1991. 2. HUGHES, O.F., MCNATI, T., SPRADBROW, B.l., 'Structural Design of Large, Fast Marine Vehicles Based on First Principles', FAST '93, 1993. 3. PETTERSEN, 0., WIKLUND, K.M., 'Det Norske Veritas Requirements for Direct Calculation of High Speed and Light Craft', FAST '99, 1999. 4. HUMPHREY, R.• NYB0, T., 'Det Norske Veritas -Direct Calculation Methods for High Speed, Light Craft and Naval Surface Craft.', Pacific 2002, 2002. 5. FALTINSEN, 0., 'Slamming', Advances in Ship and Offshore Hydrodynamics, 1996. 6. FRIIS-HANSEN, P., JENSEN, J.1., PEDERSEN, P.T., 'Wave-Induced Springing and Whipping of HighSpeed Vessels', Hydroelasticity in Marine Technology, 1994. 7. TULK, R.J., 'The Be Ferries' Catamarans" Trans IMarE, Vol. 111, Part 3, 1999. 8. DET NORSKE VERITAS, 'Rules for Classification of High Speed and Light Craft: Design Principles, Design Loads'. Part 3 Chapter 1. DNV, 1996. 9. YAKIMOFF, P., 'State-of-the-Art Computer Simulation for Structural Analysis of High Speed Catamarans', FAST '97,1997. 10. PEGG, N.G .• VERNON. T.A., WEGNER, L., NETHERCOTE, W.C.E., 'Finite Element Prediction of Measured Bow Flare Plate Stresses under Dynamic Wave Loading', Trans RINA, 1988. 11. ROTHE, F., SAMES, P.c., SCHELLIN, T.E., 'Catamaran Wetdeck Structural Response to Wave Impact', FAST '01,2001. 12. MURRAY, M.A., EVENSEN, K., GHONEIM, G.A., GRINSTEAD, 1., 'Finite Element Modelling of the Dynamic Response of the Icebreaker Canmar Kigoriak to Ice Ramming Forces', Offshore Technology Conference, 1985. 13. STREDULINSKY, D.C, PEGG, N.G., GILROY, L.E., 'Motion, Load and Structural Response Predictions and Measurements on CPAV Quest', Trans SNAME, 1999. 14. HAY,B., BOURNE, J., ENGLE, A., RUBEL, R, 'Characteristics of Hydrodynamic Loads Data for a Naval Combatant', International Conference on Hydroelasticity in Marine Technology, 1994. 15. THOMAS, G., DAVIS, M., WHELAN, J., ROBERTS, T.,' Slamming Response of Large High Speed Catamarans', FAST '01,2001. 16. 'NASTRAN Advanced Dynamic Analysis', MSC Software, Los Angeles, USA. 17. DOCTORS, LJ., 'Application of the BoundaryElement Method to Bodies Oscillating Near a Free Surface',13th Australasian Fluid Mechanics Conference, Melbourne, Australia, 1987. 18. HOLWWAY, D.S., 'A High Froude Number Time Domain Strip Theory Applied to the Seakeeping of Semi-SWATHs', PhD Thesis, University of Tasmania, 1998. 19. SALVESEN, N., TUCK, E.O., FALTINSEN, 0., 'Ship Motions and Sea Loads', Transactions SNAME, Vol. 78, 1970. 20. LLOYD, A.R.J.M., 'Seakeeping: Ship behaviour in Rough Weather', Ellis Horwood, 1989. 21. THOMAS, G., DAVIS, M., HOLLOWAY, D' l ROBERTS, T.,' The Whipping Vibration of Large High Speed Catamarans', Submitted to RINA as Paper for Written Discussion, 2003. Session B1" name="eprints.referencetext" /> <meta content="Thomas, Giles A. and Davis, Michael R. and Holloway, Damien S. and Roberts, Timothy J. (2003) Transient dynamic slam response of large high speed catamarans. In: FAST 2003 : The 7th International Conference on Fast Sea Transportation, 7 -10 October 2003, Ischia, Italy." name="eprints.citation" /> <meta content="http://eprints.utas.edu.au/2483/1/Transient_Dynamic.pdf" name="eprints.document_url" /> <link rel="schema.DC" href="http://purl.org/DC/elements/1.0/" /> <meta content="Transient dynamic slam response of large high speed catamarans" name="DC.title" /> <meta content="Thomas, Giles A." name="DC.creator" /> <meta content="Davis, Michael R." name="DC.creator" /> <meta content="Holloway, Damien S." name="DC.creator" /> <meta content="Roberts, Timothy J." name="DC.creator" /> <meta content="291202 Ship and Platform Hydrodynamics" name="DC.subject" /> <meta content="291203 Ship and Platform Structures" name="DC.subject" /> <meta content="In order to optimise the structural design of lightweight high speed vessels knowledge is required of the effect of sea loads on their structure. Wet deck slam events are of particular importance for high speed catamarans. This paper reports on the use of dynamic finite element analysis to investigate the transient response of a large high speed catamaran to an extreme asymmetric wet deck slam. Such an extreme slam occurred whilst extensive full scale hull stress, motion and wave measurements were being conducted on a 96m catamaran. Dynamic finite element analysis, including the fluid-structure interaction, has been utilised to develop an extreme slam dynamic load case which may be utilised in the design process. Results from this analysis are compared with the stress levels obtained through applying the Det Norske Veritas (DNV) longitudinal bending moment (sagging) rule load case." name="DC.description" /> <meta content="2003-10" name="DC.date" /> <meta content="Conference or Workshop Item" name="DC.type" /> <meta content="PeerReviewed" name="DC.type" /> <meta content="application/pdf" name="DC.format" /> <meta content="http://eprints.utas.edu.au/2483/1/Transient_Dynamic.pdf" name="DC.identifier" /> <meta content="http://www.din.unina.it/" name="DC.relation" /> <meta content="Thomas, Giles A. and Davis, Michael R. and Holloway, Damien S. and Roberts, Timothy J. (2003) Transient dynamic slam response of large high speed catamarans. 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border: solid 1px #ccc; padding: 3px"><tr> <td align="left"><a href="http://eprints.utas.edu.au/cgi/users/home">Login</a> | <a href="http://eprints.utas.edu.au/cgi/register">Create Account</a></td> <td align="right" style="white-space: nowrap"> <form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/search" style="display:inline"> <input class="ep_tm_searchbarbox" size="20" type="text" name="q" /> <input class="ep_tm_searchbarbutton" value="Search" type="submit" name="_action_search" /> <input type="hidden" name="_order" value="bytitle" /> <input type="hidden" name="basic_srchtype" value="ALL" /> <input type="hidden" name="_satisfyall" value="ALL" /> </form> </td> </tr></table></td></tr> <tr> <td class="toplinks"><!-- InstanceBeginEditable name="content" --> <div align="center"> <table width="720" class="ep_tm_main"><tr><td align="left"> <h1 class="ep_tm_pagetitle">Transient dynamic slam response of large high speed catamarans</h1> <p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Thomas, Giles A.</span> and <span class="person_name">Davis, Michael R.</span> and <span class="person_name">Holloway, Damien S.</span> and <span class="person_name">Roberts, Timothy J.</span> (2003) <xhtml:em>Transient dynamic slam response of large high speed catamarans.</xhtml:em> In: FAST 2003 : The 7th International Conference on Fast Sea Transportation, 7 -10 October 2003, Ischia, Italy.</p><p style="margin-bottom: 1em" class="not_ep_block"></p><table style="margin-bottom: 1em" class="not_ep_block"><tr><td valign="top" style="text-align:center"><a onmouseover="EPJS_ShowPreview( event, 'doc_preview_3274' );" onmouseout="EPJS_HidePreview( event, 'doc_preview_3274' );" href="http://eprints.utas.edu.au/2483/1/Transient_Dynamic.pdf"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" border="0" class="ep_doc_icon" /></a><div class="ep_preview" id="doc_preview_3274"><table><tr><td><img alt="" src="http://eprints.utas.edu.au/2483/thumbnails/1/preview.png" border="0" class="ep_preview_image" /><div class="ep_preview_title">Preview</div></td></tr></table></div></td><td valign="top"><a href="http://eprints.utas.edu.au/2483/1/Transient_Dynamic.pdf"><span class="ep_document_citation">PDF</span></a> - Requires a PDF viewer<br />1223Kb</td></tr></table><p style="margin-bottom: 1em" class="not_ep_block">Official URL: <a href="http://www.din.unina.it/">http://www.din.unina.it/</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">In order to optimise the structural design of lightweight high speed vessels knowledge is required of the effect of sea loads on their structure. Wet deck slam events are of particular importance for high speed catamarans. This paper reports on the use of dynamic finite element analysis to investigate the transient response of a large high speed catamaran to an extreme asymmetric wet deck slam. Such an extreme slam occurred whilst extensive full scale hull stress, motion and wave measurements were being conducted on a 96m catamaran. Dynamic finite element analysis, including the fluid-structure interaction, has been utilised to develop an extreme slam dynamic load case which may be utilised in the design process. Results from this analysis are compared with the stress levels obtained through applying the Det Norske Veritas (DNV) longitudinal bending moment (sagging) rule load case.</p></div><table style="margin-bottom: 1em" border="0" cellpadding="3" class="not_ep_block"><tr><th valign="top" class="ep_row">Item Type:</th><td valign="top" class="ep_row">Conference or Workshop Item (Paper)</td></tr><tr><th valign="top" class="ep_row">Subjects:</th><td valign="top" class="ep_row"><a href="http://eprints.utas.edu.au/view/subjects/291202.html">290000 Engineering and Technology > 291200 Maritime Engineering > 291202 Ship and Platform Hydrodynamics</a><br /><a href="http://eprints.utas.edu.au/view/subjects/291203.html">290000 Engineering and Technology > 291200 Maritime Engineering > 291203 Ship and Platform Structures</a></td></tr><tr><th valign="top" class="ep_row">Collections:</th><td valign="top" class="ep_row">UNSPECIFIED</td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">2483</td></tr><tr><th valign="top" class="ep_row">Deposited By:</th><td valign="top" class="ep_row"><span class="ep_name_citation"><span class="person_name">Dr Giles Thomas</span></span></td></tr><tr><th valign="top" class="ep_row">Deposited On:</th><td valign="top" class="ep_row">22 Nov 2007 10:05</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">04 Feb 2008 10:52</td></tr><tr><th valign="top" class="ep_row">ePrint Statistics:</th><td valign="top" class="ep_row"><a target="ePrintStats" href="/es/index.php?action=show_detail_eprint;id=2483;">View statistics for this ePrint</a></td></tr></table><p align="right">Repository Staff Only: <a href="http://eprints.utas.edu.au/cgi/users/home?screen=EPrint::View&eprintid=2483">item control page</a></p> </td></tr></table> </div> <!-- InstanceEndEditable --></td> </tr> <tr> <td><!-- #BeginLibraryItem "/Library/footer_eprints.lbi" --> <table width="795" border="0" align="left" cellpadding="0" class="footer"> <tr valign="top"> <td colspan="2"><div align="center"><a href="http://www.utas.edu.au">UTAS home</a> | <a href="http://www.utas.edu.au/library/">Library home</a> | <a href="/">ePrints home</a> | <a href="/contact.html">contact</a> | <a href="/information.html">about</a> | <a href="/view/">browse</a> | <a href="/perl/search/simple">search</a> | <a href="/perl/register">register</a> | <a href="/perl/users/home">user area</a> | <a href="/help/">help</a></div><br /></td> </tr> <tr><td colspan="2"><p><img src="/images/eprints/footerline.gif" width="100%" height="4" /></p></td></tr> <tr valign="top"> <td width="68%" class="footer">Authorised by the University Librarian<br /> © University of Tasmania ABN 30 764 374 782<br /> <a href="http://www.utas.edu.au/cricos/">CRICOS Provider Code 00586B</a> | <a href="http://www.utas.edu.au/copyright/copyright_disclaimers.html">Copyright & Disclaimers</a> | <a href="http://www.utas.edu.au/accessibility/index.html">Accessibility</a> | <a href="http://eprints.utas.edu.au/feedback/">Site Feedback</a> </td> <td width="32%"><div align="right"> <p align="right" class="NoPrint"><a href="http://www.utas.edu.au/"><img src="http://www.utas.edu.au/shared/logos/unioftasstrip.gif" alt="University of Tasmania Home Page" width="260" height="16" border="0" align="right" /></a></p> <p align="right" class="NoPrint"><a href="http://www.utas.edu.au/"><br /> </a></p> </div></td> </tr> <tr valign="top"> <td><p> </p></td> <td><div align="right"><span class="NoPrint"><a href="http://www.eprints.org/software/"><img src="/images/eprintslogo.gif" alt="ePrints logo" width="77" height="29" border="0" align="bottom" /></a></span></div></td> </tr> </table> <!-- #EndLibraryItem --> <div align="center"></div></td> </tr> </table> </body> </html>