© copyright qinetiq limited 2009 1 introduction to paramarine: hull generation advanced hullform...
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![Page 1: © Copyright QinetiQ Limited 2009 1 Introduction to Paramarine: Hull Generation Advanced Hullform Generation within Paramarine](https://reader038.vdocument.in/reader038/viewer/2022103111/5519d425550346695e8b4dbb/html5/thumbnails/1.jpg)
© Copyright QinetiQ Limited 2009
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Introduction to Paramarine:Hull Generation
Advanced Hullform Generation within Paramarine
![Page 2: © Copyright QinetiQ Limited 2009 1 Introduction to Paramarine: Hull Generation Advanced Hullform Generation within Paramarine](https://reader038.vdocument.in/reader038/viewer/2022103111/5519d425550346695e8b4dbb/html5/thumbnails/2.jpg)
© Copyright QinetiQ Limited 2009
Hull Generator:
3
Contents of this presentation
• Key Features
• Requirements
• Overview
• Hullform Synthesis
• Hullform Surface Analysis
• Examples
![Page 3: © Copyright QinetiQ Limited 2009 1 Introduction to Paramarine: Hull Generation Advanced Hullform Generation within Paramarine](https://reader038.vdocument.in/reader038/viewer/2022103111/5519d425550346695e8b4dbb/html5/thumbnails/3.jpg)
© Copyright QinetiQ Limited 2009
Hull Generator:
4
Contents of this presentation
• Key Features
• Requirements
• Overview
• Hullform Synthesis
• Hullform Surface Analysis
• Examples
![Page 4: © Copyright QinetiQ Limited 2009 1 Introduction to Paramarine: Hull Generation Advanced Hullform Generation within Paramarine](https://reader038.vdocument.in/reader038/viewer/2022103111/5519d425550346695e8b4dbb/html5/thumbnails/4.jpg)
© Copyright QinetiQ Limited 2009
Hull Generator: Key Features
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• Rapid and accurate surface generation
• Flexibility to model complex free-form geometry
• Intuitive Graphical User Interface
• Ability to create parametric surfaces & hull forms
• Quickly adjustable
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© Copyright QinetiQ Limited 2009
Hull Generator:
6
Contents of this presentation
• Key Features
• Requirements
• Overview
• Hullform Synthesis
• Hullform Surface Analysis
• Examples
![Page 6: © Copyright QinetiQ Limited 2009 1 Introduction to Paramarine: Hull Generation Advanced Hullform Generation within Paramarine](https://reader038.vdocument.in/reader038/viewer/2022103111/5519d425550346695e8b4dbb/html5/thumbnails/6.jpg)
© Copyright QinetiQ Limited 2009
Hull Generator: Requirements
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• User Requirements- Ease of use- Flexibility- Robust- Parametric- Importing Images
• Software Requirements- Surface checks- Degeneracy- Construction of sheet or solid bodies- Knot vector, control point weights- Paramarine object design
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© Copyright QinetiQ Limited 2009
Hull Generator: Example Designs
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Yacht hull and upperworks Tanker hull
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© Copyright QinetiQ Limited 2009
Hull Generator:
9
Contents of this presentation
• Key Features
• Requirements
• Overview
• Hullform Synthesis
• Hullform Surface Analysis
• Examples
![Page 9: © Copyright QinetiQ Limited 2009 1 Introduction to Paramarine: Hull Generation Advanced Hullform Generation within Paramarine](https://reader038.vdocument.in/reader038/viewer/2022103111/5519d425550346695e8b4dbb/html5/thumbnails/9.jpg)
© Copyright QinetiQ Limited 2009
• Define shape driving curves
Hull Generator:
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© Copyright QinetiQ Limited 2009
• Define shape driving curves• Insert curves as necessary to provide accurate definition of surface
Hull Generator:
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© Copyright QinetiQ Limited 2009
• Define shape driving curves• Insert curves as necessary to provide accurate definition of surface• A surface can then be created
Hull Generator:
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© Copyright QinetiQ Limited 2009
• Define shape driving curves• Insert curves as necessary to provide accurate definition of surface• A surface can then be created• And ultimately a solid
Hull Generator:
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© Copyright QinetiQ Limited 2009
Hull Generator:
14
Contents of this presentation
• Key Features
• Requirements
• Overview
• Hullform Synthesis
• Hullform Surface Analysis
• Examples
![Page 14: © Copyright QinetiQ Limited 2009 1 Introduction to Paramarine: Hull Generation Advanced Hullform Generation within Paramarine](https://reader038.vdocument.in/reader038/viewer/2022103111/5519d425550346695e8b4dbb/html5/thumbnails/14.jpg)
© Copyright QinetiQ Limited 2009
Hull Generator: XT Curves Constraints
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bead
copy
interpolateinterpolate
knuckleinterpolatestraight
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Hull Generator: XT Surfaces – Subdivision
Regular Subdivision Irregular Subdivision
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© Copyright QinetiQ Limited 2009
Hull Generator:
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Contents of this presentation
• Key Features
• Requirements
• Overview
• Hullform Synthesis
• Hullform Surface Analysis
• Examples
![Page 17: © Copyright QinetiQ Limited 2009 1 Introduction to Paramarine: Hull Generation Advanced Hullform Generation within Paramarine](https://reader038.vdocument.in/reader038/viewer/2022103111/5519d425550346695e8b4dbb/html5/thumbnails/17.jpg)
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Hull Generator: Shape Analysis – Curvature Lines
Curvature Lines for Section Curves
Curvature Lines for an individual XT Curve
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© Copyright QinetiQ Limited 2009
Hull Generator:
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Contents of this presentation
• Key Features
• Requirements
• Overview
• Hullform Synthesis
• Hullform Surface Analysis
• Examples
![Page 19: © Copyright QinetiQ Limited 2009 1 Introduction to Paramarine: Hull Generation Advanced Hullform Generation within Paramarine](https://reader038.vdocument.in/reader038/viewer/2022103111/5519d425550346695e8b4dbb/html5/thumbnails/19.jpg)
© Copyright QinetiQ Limited 2009
Hull Generator: Examples
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© Copyright QinetiQ Limited 2009
Hull Generator: Parametric Concept Design - Surface Ship
Initial shape of a parametric hull
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© Copyright QinetiQ Limited 2009
Hull Generator: Parametric Concept Design - Surface Ship
The same hull after modifying transom width, flare, and parallel midbody
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Hull Generator: Parametric Concept Design - Submarine
• Complex Curvature
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© Copyright QinetiQ Limited 2009
Hull Generator: Parametric Concept Design - Submarine
• Complex Curvature
• Parametrically adjustable
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© Copyright QinetiQ Limited 2009
Hull Generator: Parametric Concept Design - Submarine
• Complex Curvature
• Parametrically adjustable
• High Quality Solids
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© Copyright QinetiQ Limited 2009
Hull Generator: Parametric Concept Design - Submarine
• Complex Curvature
• Parametrically adjustable
• High Quality Solids
• High Accuracy in Analysis
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© Copyright QinetiQ Limited 2009
Hull Generator: Parametric Concept Design - Submarine
• Complex Curvature
• Parametrically adjustable
• High Quality Solids
• High Accuracy in Analysis
• Quickly adjustable
• Design Change ImpactAssessment
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Hull Generator: Recreation of existing designs
Offset Data Bitmaps located in 3D space
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Texture maps
• Import pictures into graphics pane
• Scale, rotate or shear
• Set picture datum
• Pictures are orthogonal on graphics pane
• Sketch around pictures and save hours © Earthrace
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Earthrace Case Study
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Analysed in HYDRODYNA (Hydrodynamic software) by Frazer-Nash Consultancy
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Hull Generator: Is this the end of the Story?
• Solid Body hull forms can be analysed using the full extent of Paramarine naval architecture modules
• Hull forms can be exported to external programs for further analysis, HYDRODYNA/CFD, Abaqus CAE, Fredyn, FORAN etc
Hull FormGeneration
Stability
and
Hydrostatics
StructuralAnalysis
Modelling
Powering
Parasolid
Design forProduction
Early StageDesign
Manoe-uvring
RadarCross
Section
Blast & Fragmentation
Endurance
Seakeep-ing
Ultimate Strength
PressureHull
Strength
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