Download e-book for iPad: Ship Design: Methodologies of Preliminary Design by Apostolos Papanikolaou

By Apostolos Papanikolaou

ISBN-10: 9401787506

ISBN-13: 9789401787505

ISBN-10: 9401787514

ISBN-13: 9789401787512

This ebook bargains with send layout and specifically with methodologies of the initial layout of ships. The ebook is complemented by way of a uncomplicated bibliography and 5 appendices with helpful up-to-date charts for the choice of the most dimensions and different uncomplicated features of other forms of ships (Appendix A), the decision of hull shape from the information of systematic hull shape sequence (Appendix B), the distinct description of the relational technique for the initial estimation of send weights (Appendix C), a quick evaluation of the historic evolution of shipbuilding technological know-how and know-how from the prehistoric period thus far (Appendix D) and eventually a ancient assessment of regulatory advancements of ship's harm balance thus far (Appendix E).

The booklet can be utilized as textbook for send layout classes or as extra interpreting for collage or students of naval structure classes and comparable disciplines; it might probably additionally function a reference booklet for naval architects, practising engineers of comparable disciplines and send officials, who wish to input the send layout box systematically or to take advantage of sensible methodologies for the estimation of ship's major dimensions and of different send major homes and parts of send design.

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Extra resources for Ship Design: Methodologies of Preliminary Design

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Especially regarding the operability of the ship, the following are expected (without literally specifying them): a. Good seakeeping performance (seaworthiness) b. Good manoeuvring properties (stability of course keeping, small turning diameter, small distance for slowing down from maximum speed to zero—crash stop) c. , especially on passenger ships; optimization of pathways of crew from their cabins to working areas; comfortable accommodations for passengers and crew). Finally, the design and construction of naval ships (warships) are governed by other types of criteria, namely, those referring to the fulfilment of a mission under specific operational/environmental conditions (especially wave and wind conditions) in the frame of needs of national defence of a country.

By use of admiralty’s constant or similar). Regarding the possible deviations between the contracted speed A cargo ship may carry up to 12 passengers in excess of her crew. Any ship carrying more than 12 passengers needs to comply with the safety provisions of passenger ships (SOLAS). 11 32 1 General on Ship Design and the speed at delivery, the following penalties (rarely premiums, similar to the provisions for deadweight deviations) apply in general: deviation up to about 2 % or about ½ knot at 20 knots speed, no or small penalty applies; deviation up to 5 % or about 1 knot less speed, significant reduction of shipbuilding price; deviation by more than 5 %, shipowner reserves the right to reject the ship delivery; in case of achieving a higher speed than contracted, a premium might be paid to the yard.

3 Introduction to Ship Design 45 the assessment criterion (a small change of ship’s length does not lead to a drastic change of ship’s resistance and powering demand, for constant displacement). b. g. in case of innovative ship types, or when the absolute ship size exceeds common limits, it is necessary to conduct a study from scratch, namely to seek the best combination of main dimensions and main design characteristics for optimizing some selected design criteria. Based on the mathematical optimization model (algorithm and corresponding computer software) of an economic criterion, such as building cost, the required freight rate for 1 ton of transported cargo (RFR: required freight rate17), or return on investment, the absolutely optimal set of design parameters is identified, minimizing or maximizing a set criterion.

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Ship Design: Methodologies of Preliminary Design by Apostolos Papanikolaou


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