Armin Troesch: Dynamics and hydrodynamics of high speed craft - PASI

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Relationship between planingand impact hydrodynamics• Low order approximation• Coordinate transformation betweentime and longitudinal coordinateX = U t• Transverse plane is equivalent to 2-Dimpact or strip theory approximation ofplaningArmin TroeschUniversity of MichiganDepartment of Naval Architecture and Marine EngineeringDynamics and Hydrodynamics of High Speed CraftJune 29, 2010Barranquilla, Colombia
Seminal Work in Impact Hydrodynamics, Wagner (1932) Model:Armin TroeschUniversity of MichiganDepartment of Naval Architecture and Marine EngineeringDynamics and Hydrodynamics of High Speed CraftJune 29, 2010Barranquilla, Colombia
Page 1 and 2: PASI 2010 in Dynamics and Control o
Page 3 and 4: With a little help from friends:Rec
Page 6 and 7: Planing Craft Resistance and Dynami
Page 9: Planing Hull DesigngivenHull Partic
Page 12 and 13: Physics of Planing - Some definitio
Page 14 and 15: Physics of Planing - Some definitio
Page 18 and 19: Reduction of physical model to 2-D
Page 20 and 21: The Boundary Value Problem, con’t
Page 22 and 23: FLUENT 6.1 (CFD) Analysis: Straight
Page 24 and 25: Validation and Application of Techn
Page 26 and 27: OUTLINE• Planing Hull Hydrodynami
Page 28 and 29: Problem Definition : Steady Symmetr
Page 30 and 31: Problem Definition : Steady Asymmet
Page 32 and 33: Steady Transverse Planing Modeling:
Page 34 and 35: Jet RootKeelJet RootJet RootKeelJet
Page 36 and 37: The Synergy of Experimentsand Theor
Page 38 and 39: Z = m ˙ ˙ η 3 (t)M = I 55 ˙ ˙
Page 40 and 41: Geometry: Dynamic wetted length in
Page 42 and 43: Geometry: Dynamic wetted lengthWett
Page 44 and 45: Geometry: Dynamic wetted lengthForc
Page 46 and 47: Hydrodynamic stiffness, C 55 and C
Page 48 and 49: Added mass and damping, A 33 and B
Page 50 and 51: Conclusions of forced motion experi
Page 52 and 53: Conclusions of forced motion experi
Page 54 and 55: RATIONALE FOR DYNAMIC ANALYSIS:Iden
Page 56 and 57: Analysis and Simulation ofNonlinear
Page 58 and 59: Analysis and Simulation of Nonlinea
Page 60 and 61: Armin TroeschUniversity of Michigan
Page 66 and 67:
OUTLINE• Planing Hull Hydrodynami
Page 68 and 69:
Extreme Responses in Stochastic Des
Page 70 and 71:
Stochastic Vibro-Impact ModelParame
Page 72 and 73:
Extreme Value Statistics Background
Page 74 and 75:
Stochastic Vibro-Impact Model for E
Page 76 and 77:
Summary• Planing Hull Hydrodynami
Page 78 and 79:
Summary• Stochastic Vibro-Impact
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Armin Troesch: Dynamics and hydrodynamics of high speed craft - PASI

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