January 31st 2014, La Spezia Guillaume Bastide

Directed by: Massimo Mariotti & Prof. Dario Boote

Contents

18/11/13 2 Master Thesis - Bastide - Intermarine - UNIGE

I. Introduction

II. Simulations

III. Results

IV. Conclusion

1. Context of the master thesis

2. General notion of CFD

1. Geometry

2. Meshing

3. Time discretization

I. Introduction

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→ Hull form optimisation

→ Small changes

→ 2 different software options

1. Context of the master thesis

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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1. Context of the master thesis

Froude Bare 25 0,82 30 0,99 35 1,15

flaps

flaps-SR

flaps 6°-SR

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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2. General knowledge of CFD

→ The set of equation to be resolved

→ The RANS model

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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I.Introduction

II.Simulations

III.Results

IV.Conclusion 2. General knowledge of CFD

→ Forces computation

II. The simulations

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1. Importing the geometry

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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2. The meshing

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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2. The meshing

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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2. The meshing

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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2. The meshing

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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2. The meshing

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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2. The meshing

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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2. The meshing

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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2. The meshing

Airsource [1/s] = -zone * VF_air * C

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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I.Introduction

II.Simulations

III.Results

IV.Conclusion 3. The time discretization

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I.Introduction

II.Simulations

III.Results

IV.Conclusion 3. The time discretization

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I.Introduction

II.Simulations

III.Results

IV.Conclusion 3. The time discretization

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I.Introduction

II.Simulations

III.Results

IV.Conclusion 3. The time discretization

III. The results

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I.Introduction

II.Simulations

III.Results

IV.Conclusion 1. Star ccm+

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I.Introduction

II.Simulations

III.Results

IV.Conclusion 1. Star ccm+

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I.Introduction

II.Simulations

III.Results

IV.Conclusion 1. Star ccm+

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I.Introduction

II.Simulations

III.Results

IV.Conclusion 1. Star ccm+

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2. Sea trials

Real force system and flow

CoG

Thrust

propeller

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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Towing tank and CFD

CoG Thrust

I.Introduction

II.Simulations

III.Results

IV.Conclusion 2. Sea trials

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3. Towing tank tests

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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3. Towing tank tests

I.Introduction

II.Simulations

III.Results

IV.Conclusion

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3. Towing tank tests

I.Introduction

II.Simulations

III.Results

IV.Conclusion

IV. Conclusion

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Merci

Thank you Grazie

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Master Thesis - Bastide - Intermarine -

UNIGE

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Master Thesis - Bastide - Intermarine -

UNIGE