ship design. ship life cycle definition of requirement determination of data and constraints concept...
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![Page 1: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/1.jpg)
Ship Design
![Page 2: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/2.jpg)
Ship Life Cycle
• Definition of Requirement• Determination of Data and Constraints• Concept Design• Preliminary Design• Contract Design• Detail Design• Production• Tests and Trials• Service• Scrapping
![Page 3: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/3.jpg)
Design Spiral
Definition of Requirements
Definition of RequirementsLength
BreadthDepthDraught
Form
Power
Area
WeightDisplacement
General Arrangement
Range
SeakeepingManouvrability
Strength
EconomicAnalysis
Constraints(Design)
Constraints(Design Process)
COnstraints(Design Environment)
Next Design Step
Choice
Empirical Calculations
Form Selection
MachinerySelection
Ship Type
Type Ship Area/
Weight
WeatherDeckArrangement
Calculationsr
PreliminaryControl
Longitudinal Strength
Ship Life
![Page 4: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/4.jpg)
Design Through Selection
![Page 5: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/5.jpg)
Basic Ship Types
• Weight Critical Ships
• Volume Critical Ships
• Unit Cargo Ships
![Page 6: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/6.jpg)
The Weight Equations (1)
)1( sLBTCB s : displacement due to shell, appendages
L: LBP or LWL
B: Breadth
T: Draught
![Page 7: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/7.jpg)
The Weight Equations (2)
CARGOLIQUIDS
MOH
WWDW
WWWLS
where
DWLS
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DW/D Ratio
![Page 9: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/9.jpg)
DW/D Ratio
![Page 10: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/10.jpg)
Volume m
urCBDh V
S
VVLBDCV
)1(
Curh )/KV-(VV umh VVV
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Volume
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Length Beam Relation
![Page 13: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/13.jpg)
Ship Length
![Page 14: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/14.jpg)
Critical Factors Effecting Ship Length
• Construction limitations of the shipyard (Length of slipway, port limitations, canal limitations etc)
• Structural-Regulative limitations (number of bulkheads,
• Interference of bow waves and stern waves
• L/D limitations of class societies
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Breadth
• Resistance (L/B) considerations suggests minimum breadth
• Stability (B/T, B/D) considerations suggests maximum breadth
![Page 16: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/16.jpg)
Length-Breadth Relation
![Page 17: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/17.jpg)
Length-Breadth Relation
L130 6.5L/B
130L30 30025004
30L 0.4/
)(L..L/B
BL
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Beam-Depth Relation
![Page 19: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/19.jpg)
Beam-Draught Relation
![Page 20: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/20.jpg)
Draught-Depth Relation
![Page 21: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/21.jpg)
Length-Depth Relation
![Page 22: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/22.jpg)
Block Coefficient (CB)Alexander Formula
f
k
L
VKCB 5.0
K varies between 1.03 for high speed ships to 1.12 for slow ships
• Lf : Ship length in feet
• Vk : Ship speed in knots
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Block Coefficient (CB)
![Page 24: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/24.jpg)
Hull Weight (WH)
![Page 25: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/25.jpg)
Outfit Weight (WH)
cLBWo
![Page 26: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/26.jpg)
Outfit Weight (WO)
![Page 27: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/27.jpg)
Main Engine Weight
![Page 28: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/28.jpg)
Main Engine Weight
![Page 29: Ship Design. Ship Life Cycle Definition of Requirement Determination of Data and Constraints Concept Design Preliminary Design Contract Design Detail](https://reader035.vdocument.in/reader035/viewer/2022062407/56649d4d5503460f94a2c7c2/html5/thumbnails/29.jpg)
Remainder Machinery Weight
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Total MachineryWeight for Diesel-Electric Ships
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Scrap Weight
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Nmber of Containers