Hydrodynamics and Aerodynamics

Technical discussion on fluid dynamics: theory and analysis.

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  1. Matti Nakkalajarvi

    Jet impeller speed vs water flow

    Matti Nakkalajarvi, Apr 12, 2024
    Replies:
    3
    Views:
    230
    Matti Nakkalajarvi
    Apr 13, 2024
  2. Hamza Asif

    Illegal connectivity error in Ansys AQWA

    Hamza Asif, Apr 11, 2024
    Replies:
    3
    Views:
    356
    Ad Hoc
    Apr 14, 2024
  3. slopecarver

    Moving extending hull LWL (Catamaran)

    slopecarver, Apr 5, 2024
    Replies:
    4
    Views:
    368
    Paul Scott
    Apr 6, 2024
  4. Simme_swede

    Finding optimal propeller dimension based on ships speed and hull resistance

    Simme_swede, Apr 2, 2024
    Replies:
    10
    Views:
    461
    rwatson
    Apr 3, 2024
  5. Paul Scott

    Patin Catalan piece in current Seahorse Magazine

    Paul Scott, Mar 29, 2024
    Replies:
    4
    Views:
    342
    cluttonfred
    Mar 30, 2024
  6. Umar Farooq

    Frequency Statistical Analysis (AQWA) - Motion Analysis

    Umar Farooq, Mar 28, 2024
    Replies:
    6
    Views:
    410
    Umar Farooq
    Apr 3, 2024
  7. hashtag_laeuft

    Daggerboard position: Maneuverability VS. Acceleration

    hashtag_laeuft, Mar 22, 2024
    Replies:
    11
    Views:
    685
    CarlosK2
    Apr 5, 2024
  8. naserrishehri

    Boat lines plan

    naserrishehri, Mar 22, 2024 ... 2
    Replies:
    17
    Views:
    1,060
    Adler
    Mar 27, 2024
  9. BlueBell

    "Quarter Horse" Designer Interview

    BlueBell, Mar 12, 2024
    Replies:
    0
    Views:
    413
    BlueBell
    Mar 12, 2024
  10. dustman

    Determining the center of lift for a deep vee hull?

    dustman, Feb 23, 2024 ... 3 4 5
    Replies:
    69
    Views:
    2,927
    CarlosK2
    Mar 18, 2024
  11. Forecaddie

    Overlapping schooner sail plan

    Forecaddie, Feb 3, 2024
    Replies:
    5
    Views:
    926
    Paul Scott
    Mar 27, 2024
  12. Redaidan345

    Centerline channel for attached Turbulent Flow?

    Redaidan345, Jan 22, 2024 ... 2
    Replies:
    15
    Views:
    1,569
    DogCavalry
    Jan 26, 2024
  13. Maarten88

    High Camber hydrofoil section for wingfoiler

    Maarten88, Jan 21, 2024
    Replies:
    5
    Views:
    1,164
    Alan Cattelliot
    Jan 23, 2024
  14. Remmlinger

    New VPP based on Numerical Modeling

    Remmlinger, Jan 11, 2024
    Replies:
    8
    Views:
    1,477
    Mikko Brummer
    Jan 19, 2024
  15. andrew spiteri

    Air Lubrication Drag Reduction for Smaller Vessels

    andrew spiteri, Jan 10, 2024 ... 3 4 5
    Replies:
    67
    Views:
    4,702
    portacruise
    Mar 15, 2024
  16. Furkan

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

    Furkan, Jan 2, 2024
    Replies:
    2
    Views:
    751
    BlueBell
    Jan 2, 2024
  17. OhMyBrain

    Time Domain Motion Analysis Results

    OhMyBrain, Nov 21, 2023
    Replies:
    4
    Views:
    1,325
    jehardiman
    Nov 23, 2023
  18. lunatic

    Rowing: blade travel extension through flow induced vibration

    lunatic, Nov 12, 2023
    Replies:
    7
    Views:
    2,273
    lunatic
    Dec 20, 2023
  19. alan craig

    Combined planing and foiling

    alan craig, Nov 5, 2023
    Replies:
    5
    Views:
    1,349
    alan craig
    Nov 8, 2023
  20. Ousmane

    Help Needed: Calculating Canoe Resistance for Mechanical Engineering Project

    Ousmane, Oct 31, 2023 ... 2
    Replies:
    22
    Views:
    2,136
    BlueBell
    Nov 5, 2023
  21. brian eiland

    Tacking a Square-Rigged Vessel

    brian eiland, Oct 30, 2023 ... 2
    Replies:
    17
    Views:
    2,741
    brian eiland
    Nov 14, 2023
  22. Windmaster

    Headwind power

    Windmaster, Oct 12, 2023
    Replies:
    5
    Views:
    1,356
    portacruise
    Oct 15, 2023
  23. Forecaddie

    Looking for AeroRig sail drawings

    Forecaddie, Oct 1, 2023
    Replies:
    9
    Views:
    1,771
    Forecaddie
    Oct 14, 2023
  24. Paul Scott

    Planing amas

    Paul Scott, Sep 28, 2023 ... 2
    Replies:
    22
    Views:
    2,006
    BlueBell
    Oct 1, 2023
  25. Alan Cattelliot

    Hydrodynamics of Bulbs

    Alan Cattelliot, Sep 25, 2023 ... 2
    Replies:
    17
    Views:
    2,764
    Howlandwoodworks
    Nov 12, 2023
  26. Forecaddie

    Fixed wing sail controls and drawings

    Forecaddie, Aug 31, 2023
    Replies:
    14
    Views:
    2,118
    carbon_pirate
    Oct 19, 2023
  27. Orey10m

    calculating Minimum thrust needed against current

    Orey10m, Aug 7, 2023
    Replies:
    5
    Views:
    1,157
    Barry
    Aug 7, 2023
  28. seandepagnier

    sheeting angle for best drive with roller furling.

    seandepagnier, Aug 2, 2023
    Replies:
    5
    Views:
    1,332
    Blueknarr
    Aug 7, 2023
  29. IngLaTorre

    Doubts about Maxsurf and the Modeling (Motion Analysis) of a Boathouse.

    IngLaTorre, Jul 23, 2023
    Replies:
    11
    Views:
    1,432
    IngLaTorre
    Jul 25, 2023
  30. Cow Cocky

    Rudder counter balance

    Cow Cocky, Jul 23, 2023
    Replies:
    11
    Views:
    1,356
    jehardiman
    Jul 24, 2023
  31. Toepfer Marine

    I am looking for a book on building a Propeller tunnel

    Toepfer Marine, Jul 21, 2023
    Replies:
    5
    Views:
    1,712
    BMcF
    Nov 5, 2023
  32. 67-LS1

    Increasing planing speed for a (fiberglass) Lyman Biscayne

    67-LS1, Jul 17, 2023
    Replies:
    14
    Views:
    1,795
    67-LS1
    Jul 20, 2023
  33. CatMonoceros

    Keel Spillplate?

    CatMonoceros, Jul 15, 2023
    Replies:
    9
    Views:
    1,189
    wet feet
    Jul 17, 2023
  34. rwatson
    Locked

    Swimming Curved Object - powered by the water flow

    rwatson, Jul 12, 2023 ... 2
    Replies:
    15
    Views:
    2,547
    Boat Design Net Moderator
    Aug 4, 2023
  35. B.NARENDHIRAN

    Does Cl and Cd values of an airfoil change with steady and transient simulation?

    B.NARENDHIRAN, Jul 12, 2023
    Replies:
    3
    Views:
    1,143
    baeckmo
    Jul 12, 2023
  36. nrbt

    trim, draft calculation for counter ballast calculator

    nrbt, Jul 5, 2023
    Replies:
    3
    Views:
    1,349
    Ad Hoc
    Jul 5, 2023
  37. Squidly-Diddly

    explain the very rough surface of Gators and Crocs, hydrodynamically

    Squidly-Diddly, Jun 19, 2023 ... 2
    Replies:
    15
    Views:
    2,490
    Squidly-Diddly
    Jun 30, 2023
  38. zoran

    Keel planing

    zoran, Jun 19, 2023
    Replies:
    14
    Views:
    3,336
    By Chance
    Feb 7, 2024
  39. Solario

    Thrust greater than drag

    Solario, May 18, 2023 ... 6 7 8
    Replies:
    110
    Views:
    9,909
    Solario
    Jun 23, 2023
  40. MalSmith

    Yet another analogy for lift

    MalSmith, May 15, 2023
    Replies:
    14
    Views:
    1,572
    DogCavalry
    May 26, 2023
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