The Effect of Hull Girder Stiffness Variations on Ship Structural Performance with an Attempt to Establish Stiffness Criteria

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ISBN 13 :
Total Pages : 170 pages
Book Rating : 4.:/5 (358 download)

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Book Synopsis The Effect of Hull Girder Stiffness Variations on Ship Structural Performance with an Attempt to Establish Stiffness Criteria by : J. Harvey Evans

Download or read book The Effect of Hull Girder Stiffness Variations on Ship Structural Performance with an Attempt to Establish Stiffness Criteria written by J. Harvey Evans and published by . This book was released on 1976 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Transactions - The Society of Naval Architects and Marine Engineers

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ISBN 13 :
Total Pages : 424 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Transactions - The Society of Naval Architects and Marine Engineers by : Society of Naval Architects and Marine Engineers (U.S.)

Download or read book Transactions - The Society of Naval Architects and Marine Engineers written by Society of Naval Architects and Marine Engineers (U.S.) and published by . This book was released on 1980 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: List of members in vols. 1-24, 38-54, 57.

The Effect of ship stiffness upon the structural response of a cargo ship to an impulsive load

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ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis The Effect of ship stiffness upon the structural response of a cargo ship to an impulsive load by : Manley St Denis

Download or read book The Effect of ship stiffness upon the structural response of a cargo ship to an impulsive load written by Manley St Denis and published by . This book was released on 1968 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the study is to set up a computer program to investigate the dynamic effects resulting from an impulsive loading on a ship and to determine how these effects tend to vary with the stiffness of the hull girder. The hull is treated as a Timoshenko beam and the solution is obtained by finite difference technique. Two codes are written: an implicit one, which is more efficient for short durations, and an implicit one, which is superior for long durations of impulse. Application is made to a dry cargo ship. Limited analysis of her response to a unit impulse indicates that, in general, reduced hull rigidity tends to be beneficial. (Author).

Load and Global Response of Ships

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Publisher : Elsevier
ISBN 13 : 0080535569
Total Pages : 351 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Load and Global Response of Ships by : J.J Jensen

Download or read book Load and Global Response of Ships written by J.J Jensen and published by Elsevier. This book was released on 2001-08-08 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: Load and Global Response of Ships gives an introductory background to naval architecture statistics and strength of materials. Each subject is treated in detail; starting from the first principle. The aim of this title was to derive and present the necessary theoretical framework for predicting the extreme loads and the corresponding hull girder stresses that a ship may be subjected to during its operational lifetime.Although some account is given to reliability analysis, the present treatment has to be supplemented with methods for detailed stress evaluation and for structural strength assessment before a complete structural reliability analysis can be carried out.The classification societies have issued rules and regulations for a proper structural analysis of a ship and selection of the scantlings. Previously, those rules rather explicitly gave formulae for the thickness of the hull plantings, the size of the stiffeners etc. Such empirical rules must necessarily be rather conservative in order to apply to a large variety of ships. With the advent of powerful computers, the rules have changed. Today, the naval architect can perform the structural analysis using mainly rational methods based on first principles. The classification society may then specify proper safety factors against local global failure modes, taking into account the consequences of failure and the analysis procedure used. A cruder method of analysis then necessitates a larger safety factor. Therefore the effort made by the experienced naval architect to perform a detailed structural analysis will be returned not just by a rational structural arrangement but also often in lower weight of the ship and thus a higher payload throughout the operational lifetime of the ship.This analysis has attempted to make explicit one way in which designers limit the design space by creating rules to which they expect users to adhere. It is also an attempt to encourage designers to reconsider the 'rules of use' that they have used in their designs, so as to reconceptualise potential usage. This can help design behaviour where rule use is not blindly followed.By making these rules visible, it is possible to expose the limitations of current technology, and development design solutions that do not restrict use to the 'normal' case of action. Rules are useful to designers because they are simplifications of activity. Rules encode the normal case, and these are simplistic representations of work that are, in many cases, accurate enough for the purpose of design. However, encoding behaviour in rules has dangers in that they do not encompass the whole range of behaviours that can be performed. Using examples, this title shows that being able to break rules means that people are able to engage in a richer more flexible set of actions (and therefore more appropriate to contingency) than when they are constrained to a limited range.

The Effect of Hull Stiffness on Ship Slamming Loads

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Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (133 download)

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Book Synopsis The Effect of Hull Stiffness on Ship Slamming Loads by : Yuan-Kuo Kao

Download or read book The Effect of Hull Stiffness on Ship Slamming Loads written by Yuan-Kuo Kao and published by . This book was released on 1984 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bibliography for Ship-vibration Prediction Methods and Evaluation of Influence of Hull-stiffness Variation on Vibratory Response

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Publisher :
ISBN 13 :
Total Pages : 33 pages
Book Rating : 4.:/5 (114 download)

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Book Synopsis Bibliography for Ship-vibration Prediction Methods and Evaluation of Influence of Hull-stiffness Variation on Vibratory Response by : Roger G. Kline

Download or read book Bibliography for Ship-vibration Prediction Methods and Evaluation of Influence of Hull-stiffness Variation on Vibratory Response written by Roger G. Kline and published by . This book was released on 1974 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Final Report on Project SR-173 "Ship Stiffness Studies" to the Ship Structure Committee

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ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (445 download)

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Book Synopsis Final Report on Project SR-173 "Ship Stiffness Studies" to the Ship Structure Committee by : Manley St. Denis

Download or read book Final Report on Project SR-173 "Ship Stiffness Studies" to the Ship Structure Committee written by Manley St. Denis and published by . This book was released on 1968 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Second Progress Report on Hull Girder Stiffness Criteria (springing)

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ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (358 download)

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Book Synopsis Second Progress Report on Hull Girder Stiffness Criteria (springing) by : Roger G. Kline

Download or read book Second Progress Report on Hull Girder Stiffness Criteria (springing) written by Roger G. Kline and published by . This book was released on 1976 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

First Progress Report on Hull Girder Stiffness Criteria

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Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (358 download)

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Book Synopsis First Progress Report on Hull Girder Stiffness Criteria by : J. Harvey Evans

Download or read book First Progress Report on Hull Girder Stiffness Criteria written by J. Harvey Evans and published by . This book was released on 1975 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:

MRIS Abstracts

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ISBN 13 :
Total Pages : 556 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis MRIS Abstracts by : Maritime Research Information Service

Download or read book MRIS Abstracts written by Maritime Research Information Service and published by . This book was released on 1979 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Effects of Ship Load Variations and Seastate on Hull Girder Deflection and Combat System Alignment

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ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.:/5 (242 download)

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Book Synopsis The Effects of Ship Load Variations and Seastate on Hull Girder Deflection and Combat System Alignment by : Stuart Hayden Mennitt

Download or read book The Effects of Ship Load Variations and Seastate on Hull Girder Deflection and Combat System Alignment written by Stuart Hayden Mennitt and published by . This book was released on 1990 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis computationally analyzes the effect of commonly occurring ship load variations and wave induced bending moments on hull girder flexure. The deflection of the hull is used to determine the impact on the alignment of the vessel's combat system. Simple beam theory is applied for the structural portion of the analysis. Wave induced bending moments are determined by using a quasi-static approach with regular waves. Calculations and results are presented for theFFG7 calss of U.S. Navy frigates. It is shown that commonly occurring load conditions produced no significant problems with the alignment of the ship's combat system. The effect of waves can be more significant. Deflections of up to 9 arc minutes are predicted between elements of the combat system in seastate 6. This is out of the elements' alignment tolerance and could affect the operability of the system.

Third Progress Report on Hull Girder Stiffness Criteria

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ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (358 download)

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Book Synopsis Third Progress Report on Hull Girder Stiffness Criteria by : J. Harvey Evans

Download or read book Third Progress Report on Hull Girder Stiffness Criteria written by J. Harvey Evans and published by . This book was released on 1976 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Ship Structural Research Survey and Program

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ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis A Ship Structural Research Survey and Program by : R. Glasfeld

Download or read book A Ship Structural Research Survey and Program written by R. Glasfeld and published by . This book was released on 1962 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Transactions of the Royal Institution of Naval Architects

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ISBN 13 :
Total Pages : 358 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Transactions of the Royal Institution of Naval Architects by : Royal Institution of Naval Architects

Download or read book Transactions of the Royal Institution of Naval Architects written by Royal Institution of Naval Architects and published by . This book was released on 1998 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: List of members in each volume.

Ship Vibration Prediction Methods and Evaluation of Influence of Hull Stiffness Variation on Vibratory Response

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (841 download)

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Book Synopsis Ship Vibration Prediction Methods and Evaluation of Influence of Hull Stiffness Variation on Vibratory Response by : Roger C. Kline

Download or read book Ship Vibration Prediction Methods and Evaluation of Influence of Hull Stiffness Variation on Vibratory Response written by Roger C. Kline and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hull Girder Ultimate Strength and Fracture Toughness of Damaged Marine Structures

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)

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Book Synopsis Hull Girder Ultimate Strength and Fracture Toughness of Damaged Marine Structures by : Özgür Özgüç

Download or read book Hull Girder Ultimate Strength and Fracture Toughness of Damaged Marine Structures written by Özgür Özgüç and published by . This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis addresses the structural performance of the hull structure of a vessel in extreme response state of a combined loading consisting of vertical and horizontal moments for intact and damaged conditions, where fracture mechanics of ships with large damage openings are investigated in great detail. The motivation for conducting this research task is the importance of the ultimate and post-ultimate strength in relation to the reliability of intact as well as damaged vessels. Moreover, in an emergency situation, knowledge of the structural capacity of the vessel in whatever damaged or intact condition it may be in, is crucial to allow for a rational decision to be made regarding possible salvage, or at worst disembarkation of the crew, in the interest of safety for human life, environmental protection, and capital investment. To facilitate these requirements, the overall objective of the present research therefore becomes to build a rapid computer based analysis tool for calculation of the ultimate and post-ultimate capacity of the hull girder in intact and damaged states of combined bending moment loading. Then, to verify the accuracy of the procedure developed against available experimental results and by comparison with other theoretical results. To meet this objective essentially requires five sub-tasks to be completed. Hence, the scope of the work to be carried out becomes - A study of literature for the available methods usable to evaluate the ultimate and post-ultimate capacity of the stiffened plates - Developing the new simple design equations for predicting the ultimate strength of stiffened plates with imperfections in the form of imperfections, where a non-linear finite element method is employed on a wide range of typical ship panel geometries. The new simplified analytical method must be generalized to deal with such combined load cases. The performance of the proposed equations must be also verified by experimental results. - Establishing a rapid computer code based on simplified formulas developed for calculation of the ultimate capacity of the hull girder. This program must be capable of considering initial imperfections and must be compared with other theoretical approaches developed. - The influence of the coupled bending moment on the intact & damaged ship structures must be extensively investigated. The rational interaction equations must be developed, which based on the extensive ship types. - Accidents such as collision, grounding and explosions occur and can have major consequences to the ship structure. The effect of such large damages on the hull girder must be assessed under time pressure. The recent accident with the PRESTIGE shows the importance of being able to reliably assess the longitudinal strength of damaged vessels. The procedures for this must be developed. A major drawback is lack of knowledge of the failure mechanism that may play a role in such circumstances. Therefore, the fracture mechanism of damaged ships is essential. Key effects must be identified and if possible, included in the procedure. When these five points have been addressed, and the objectives solved, all that is needed for the development of a computer code for the ultimate strength. The remaining final task will thus to be benchmark the code against available experimental results and other theoretical methods.

Ship Structural Analysis and Design

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Publisher :
ISBN 13 : 9780939773824
Total Pages : pages
Book Rating : 4.7/5 (738 download)

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Book Synopsis Ship Structural Analysis and Design by : Owen F. Hughes

Download or read book Ship Structural Analysis and Design written by Owen F. Hughes and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: For a structure as large ans as complex as a ship there are three levels of structural design, the second and most central of which is the subject of this book. Rationally-based design is design from first principles using the tools of modern engineering science: computer and the methods of structural analysis and optimization which computers have made possible. Thus, the rationally-based approach is ideally suited for preliminary structural design, and it is this approach and this level of design that is the subject of this book.