Hydrodynamics and Aerodynamics

Technical discussion on fluid dynamics: theory and analysis.

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  1. Simme_swede

    Finding optimal propeller dimension based on ships speed and hull resistance

    Simme_swede, Apr 2, 2024
    Replies:
    12
    Views:
    497
    hashtag_laeuft
    Apr 26, 2024 at 4:32 PM
  2. Hamza Asif

    Illegal connectivity error in Ansys AQWA

    Hamza Asif, Apr 11, 2024
    Replies:
    3
    Views:
    396
    Ad Hoc
    Apr 14, 2024
  3. Matti Nakkalajarvi

    Jet impeller speed vs water flow

    Matti Nakkalajarvi, Apr 12, 2024
    Replies:
    3
    Views:
    254
    Matti Nakkalajarvi
    Apr 13, 2024
  4. Sailor Al

    Swept Volume Theory

    Sailor Al, Aug 2, 2022 ... 21 22 23
    Replies:
    331
    Views:
    28,690
    C. Dog
    Apr 12, 2024
  5. slopecarver

    Moving extending hull LWL (Catamaran)

    slopecarver, Apr 5, 2024
    Replies:
    4
    Views:
    384
    Paul Scott
    Apr 6, 2024
  6. hashtag_laeuft

    Daggerboard position: Maneuverability VS. Acceleration

    hashtag_laeuft, Mar 22, 2024
    Replies:
    11
    Views:
    705
    CarlosK2
    Apr 5, 2024
  7. Umar Farooq

    Frequency Statistical Analysis (AQWA) - Motion Analysis

    Umar Farooq, Mar 28, 2024
    Replies:
    6
    Views:
    428
    Umar Farooq
    Apr 3, 2024
  8. Paul Scott

    Patin Catalan piece in current Seahorse Magazine

    Paul Scott, Mar 29, 2024
    Replies:
    4
    Views:
    358
    cluttonfred
    Mar 30, 2024
  9. naserrishehri

    Boat lines plan

    naserrishehri, Mar 22, 2024 ... 2
    Replies:
    17
    Views:
    1,091
    Adler
    Mar 27, 2024
  10. Forecaddie

    Overlapping schooner sail plan

    Forecaddie, Feb 3, 2024
    Replies:
    5
    Views:
    947
    Paul Scott
    Mar 27, 2024
  11. dustman

    Determining the center of lift for a deep vee hull?

    dustman, Feb 23, 2024 ... 3 4 5
    Replies:
    69
    Views:
    2,972
    CarlosK2
    Mar 18, 2024
  12. andrew spiteri

    Air Lubrication Drag Reduction for Smaller Vessels

    andrew spiteri, Jan 10, 2024 ... 3 4 5
    Replies:
    67
    Views:
    4,774
    portacruise
    Mar 15, 2024
  13. BlueBell

    "Quarter Horse" Designer Interview

    BlueBell, Mar 12, 2024
    Replies:
    0
    Views:
    428
    BlueBell
    Mar 12, 2024
  14. DogCavalry

    Buttocks

    DogCavalry, Sep 30, 2019 ... 7 8 9
    Replies:
    120
    Views:
    11,101
    DogCavalry
    Mar 9, 2024
  15. skaraborgcraft

    Bow half angle of entrance

    skaraborgcraft, Jan 11, 2023 ... 2 3 4
    Replies:
    50
    Views:
    5,042
    TeddyDiver
    Feb 24, 2024
  16. ToMy

    Semi-displacement boats don't generate lift?

    ToMy, Feb 28, 2023 ... 9 10 11
    Replies:
    163
    Views:
    14,951
    patzefran
    Feb 20, 2024
  17. Mikko Brummer

    Is circulation real?

    Mikko Brummer, Jan 25, 2013 ... 49 50 51
    Replies:
    758
    Views:
    74,715
    Alan Cattelliot
    Feb 11, 2024
  18. zoran

    Keel planing

    zoran, Jun 19, 2023
    Replies:
    14
    Views:
    3,366
    By Chance
    Feb 7, 2024
  19. Redaidan345

    Centerline channel for attached Turbulent Flow?

    Redaidan345, Jan 22, 2024 ... 2
    Replies:
    15
    Views:
    1,585
    DogCavalry
    Jan 26, 2024
  20. Maarten88

    High Camber hydrofoil section for wingfoiler

    Maarten88, Jan 21, 2024
    Replies:
    5
    Views:
    1,184
    Alan Cattelliot
    Jan 23, 2024
  21. Remmlinger

    New VPP based on Numerical Modeling

    Remmlinger, Jan 11, 2024
    Replies:
    8
    Views:
    1,498
    Mikko Brummer
    Jan 19, 2024
  22. laukejas

    Definition of bow entry angle

    laukejas, Nov 13, 2018 ... 2
    Replies:
    18
    Views:
    10,421
    skaraborgcraft
    Jan 16, 2024
  23. fallguy

    transom edge sharp or not

    fallguy, Jul 9, 2018
    Replies:
    12
    Views:
    4,681
    baeckmo
    Jan 6, 2024
  24. Furkan

    Calculating resistance and making a power prediction for a small watercraft.

    Furkan, Jan 2, 2024
    Replies:
    2
    Views:
    767
    BlueBell
    Jan 2, 2024
  25. Will Fraser

    Stern taper on semi-displacement hulls

    Will Fraser, May 15, 2018 ... 2
    Replies:
    15
    Views:
    5,385
    Stephen Ditmore
    Jan 1, 2024
  26. Julien_C

    Development of a reliable performance prediction tool for semi-planing hull forms

    Julien_C, Mar 23, 2013
    Replies:
    4
    Views:
    2,923
    Stephen Ditmore
    Jan 1, 2024
  27. lunatic

    Rowing: blade travel extension through flow induced vibration

    lunatic, Nov 12, 2023
    Replies:
    7
    Views:
    2,282
    lunatic
    Dec 20, 2023
  28. OhMyBrain

    Time Domain Motion Analysis Results

    OhMyBrain, Nov 21, 2023
    Replies:
    4
    Views:
    1,336
    jehardiman
    Nov 23, 2023
  29. brian eiland

    Tacking a Square-Rigged Vessel

    brian eiland, Oct 30, 2023 ... 2
    Replies:
    17
    Views:
    2,759
    brian eiland
    Nov 14, 2023
  30. Alan Cattelliot

    Hydrodynamics of Bulbs

    Alan Cattelliot, Sep 25, 2023 ... 2
    Replies:
    17
    Views:
    2,786
    Howlandwoodworks
    Nov 12, 2023
  31. alan craig

    Combined planing and foiling

    alan craig, Nov 5, 2023
    Replies:
    5
    Views:
    1,366
    alan craig
    Nov 8, 2023
  32. Ousmane

    Help Needed: Calculating Canoe Resistance for Mechanical Engineering Project

    Ousmane, Oct 31, 2023 ... 2
    Replies:
    22
    Views:
    2,168
    BlueBell
    Nov 5, 2023
  33. Toepfer Marine

    I am looking for a book on building a Propeller tunnel

    Toepfer Marine, Jul 21, 2023
    Replies:
    5
    Views:
    1,725
    BMcF
    Nov 5, 2023
  34. Revboat

    Aerodynamics of 'overlapped' staysails

    Revboat, Jun 23, 2021 ... 2
    Replies:
    28
    Views:
    6,094
    brian eiland
    Oct 19, 2023
  35. Forecaddie

    Fixed wing sail controls and drawings

    Forecaddie, Aug 31, 2023
    Replies:
    14
    Views:
    2,134
    carbon_pirate
    Oct 19, 2023
  36. Windmaster

    Headwind power

    Windmaster, Oct 12, 2023
    Replies:
    5
    Views:
    1,376
    portacruise
    Oct 15, 2023
  37. Forecaddie

    Looking for AeroRig sail drawings

    Forecaddie, Oct 1, 2023
    Replies:
    9
    Views:
    1,786
    Forecaddie
    Oct 14, 2023
  38. Paul Scott

    Planing amas

    Paul Scott, Sep 28, 2023 ... 2
    Replies:
    22
    Views:
    2,024
    BlueBell
    Oct 1, 2023
  39. Guest

    sail aerodynamics

    Guest, Mar 21, 2002 ... 61 62 63
    Replies:
    943
    Views:
    339,179
    BobBill
    Sep 26, 2023
  40. Mikko Brummer

    CFD state of the art

    Mikko Brummer, Dec 17, 2015 ... 2 3 4
    Replies:
    49
    Views:
    13,343
    CocoonCruisers
    Sep 21, 2023
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