Hydrodynamics and Aerodynamics

Technical discussion on fluid dynamics: theory and analysis.

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  1. ras

    How to compare effect of hull form (only) on motion?

    ras, Dec 15, 2021
    Replies:
    9
    Views:
    1,941
    ras
    Dec 20, 2021
  2. dustman

    How to calculate the velocity of waves?

    dustman, Jan 2, 2022
    Replies:
    5
    Views:
    1,574
    jehardiman
    Jan 4, 2022
  3. Anum

    How to calculate the moment of inertia for a half Ship

    Anum, Jan 27, 2017
    Replies:
    8
    Views:
    12,748
    Rastapop
    Feb 21, 2017
  4. sun

    How to analyze the maximum and minimum wave force curve?

    sun, Mar 21, 2022
    Replies:
    0
    Views:
    1,073
    sun
    Mar 21, 2022
  5. sun

    How to analyze the impact of waves with different wavelengths, wave heights and encounter angles on

    sun, Dec 15, 2022
    Replies:
    5
    Views:
    1,074
    sun
    Dec 17, 2022
  6. Todd Miller

    How small can a towing tank be?

    Todd Miller, Mar 17, 2014 ... 2
    Replies:
    24
    Views:
    9,481
    froudedude
    Mar 31, 2014
  7. Alan Cattelliot

    How often do you use of CFD (Computational Fluid Dynamics) ?

    Alan Cattelliot, Feb 14, 2023 ... 3 4 5
    Replies:
    61
    Views:
    6,963
    Alan Cattelliot
    Apr 27, 2023
  8. mitchgrunes

    How much less efficient would a planing hull sea kayak be?

    mitchgrunes, Jul 11, 2020 ... 2 3
    Replies:
    30
    Views:
    7,030
    mitchgrunes
    Jul 23, 2020
  9. misanthropicexplore

    How many masts are practical in a 20-30' blue water cruising boat?

    misanthropicexplore, Jul 6, 2018
    Replies:
    10
    Views:
    1,926
    sharpii2
    Jul 24, 2018
  10. waldemar123

    How looks like profile NACA 664-0

    waldemar123, Apr 21, 2011
    Replies:
    3
    Views:
    3,553
    ancient kayaker
    Apr 23, 2011
  11. Catatau

    How does the angle of the bow of a boat affects its coefficient of drag? PLEASE HELP

    Catatau, Nov 11, 2012 ... 2 3 4
    Replies:
    56
    Views:
    27,813
    tunnels
    Nov 13, 2012
  12. steve.1326

    How does one calculate the inital trim of a boat

    steve.1326, Jan 6, 2014
    Replies:
    9
    Views:
    5,608
    frank smith
    Jan 19, 2014
  13. tea

    How do we compare two hulls?

    tea, Apr 15, 2017
    Replies:
    2
    Views:
    1,882
    oataru
    Jul 5, 2017
  14. ImaginaryNumber

    How Do Dolphins Swim So Fast

    ImaginaryNumber, Jan 16, 2014
    Replies:
    6
    Views:
    6,506
    Baltic Bandit
    Jan 23, 2014
  15. metin_mehel

    How can we calculate the driving and drag force?

    metin_mehel, Aug 27, 2011
    Replies:
    12
    Views:
    6,218
    metin_mehel
    Sep 2, 2011
  16. Architecture

    How can renewable energy affects boats designing?

    Architecture, Jan 27, 2016
    Replies:
    14
    Views:
    2,869
    WSW2016
    Mar 22, 2016
  17. mahmoud

    How can i perform load mapping from ansys aqwa to structure for shell cylinder supported by internal

    mahmoud, May 11, 2022
    Replies:
    0
    Views:
    1,429
    mahmoud
    May 11, 2022
  18. refael

    How can I calculate the size of paddle wheel?

    refael, Jan 15, 2018
    Replies:
    6
    Views:
    8,613
    Gunnar Sommerlund
    Jan 16, 2018
  19. rafa_racer

    How big should my foils be?

    rafa_racer, Jun 8, 2021
    Replies:
    0
    Views:
    1,348
    rafa_racer
    Jun 8, 2021
  20. PDQAltair

    How bad is a rounded trailing edge on the keel?

    PDQAltair, Nov 14, 2015
    Replies:
    11
    Views:
    5,844
    PDQAltair
    Nov 21, 2015
  21. MrDillPickle

    Houseboat Design Characteristics

    MrDillPickle, Mar 4, 2020
    Replies:
    14
    Views:
    2,588
    fallguy
    Mar 22, 2020
  22. Inquisitor

    Hopped-Up Winnebago

    Inquisitor, Sep 21, 2020
    Replies:
    11
    Views:
    2,086
    Inquisitor
    Oct 18, 2020
  23. abalkees

    Holtrop and Mennen' method in EXCEL spread sheet

    abalkees, Dec 4, 2013
    Replies:
    3
    Views:
    12,453
    quequen
    Dec 5, 2013
  24. Luk

    Hollow aft section for a daggerboard?

    Luk, Mar 4, 2018
    Replies:
    5
    Views:
    1,903
    tspeer
    Mar 11, 2018
  25. DCockey

    Higher Order Panel Method / BEM Current State Overview

    DCockey, Mar 12, 2011 ... 2 3 4
    Replies:
    51
    Views:
    11,242
    Zeeshan Riaz
    Jun 20, 2012
  26. dustman

    Higher Cp at higher speeds equates to less resistance?

    dustman, Dec 1, 2020 ... 4 5 6
    Replies:
    78
    Views:
    7,574
    Eric ruttan
    Dec 22, 2020
  27. Ollie60

    High speed foil design

    Ollie60, Aug 20, 2013 ... 2
    Replies:
    16
    Views:
    4,903
    faghfoor
    Oct 22, 2013
  28. Maarten88

    High Camber hydrofoil section for wingfoiler

    Maarten88, Jan 21, 2024
    Replies:
    5
    Views:
    1,135
    Alan Cattelliot
    Jan 23, 2024
  29. JerryWo

    Herreshoff NY30 fore-sail

    JerryWo, Nov 7, 2014
    Replies:
    9
    Views:
    2,217
    NoEyeDeer
    Nov 14, 2014
  30. rwatson

    Henry Bilinsky - Inventor of Drag Reducing "Shark Skin"

    rwatson, Mar 31, 2018
    Replies:
    8
    Views:
    4,073
    rwatson
    Apr 24, 2018
  31. leviathan

    help:CFD Transient

    leviathan, Jul 25, 2012
    Replies:
    4
    Views:
    2,418
    CWTeebs
    Sep 10, 2012
  32. kattenbach

    Help with multi-body 2nd order analysis in WAMIT

    kattenbach, Jan 19, 2016
    Replies:
    7
    Views:
    3,136
    kattenbach
    Feb 3, 2016
  33. Dave_S

    Help with design of T rudders for a 50' catamaran

    Dave_S, Nov 24, 2020
    Replies:
    4
    Views:
    1,580
    Dave_S
    Jan 2, 2021
  34. ADAM87

    Help with calculations using Simpson's rule

    ADAM87, Oct 13, 2011 ... 2
    Replies:
    22
    Views:
    13,235
    ADAM87
    Oct 18, 2011
  35. TwistedSister

    help with calculating tensile strength for tow line

    TwistedSister, Jun 6, 2017
    Replies:
    9
    Views:
    4,628
    Barry
    Jun 6, 2017
  36. Ousmane

    Help Needed: Calculating Canoe Resistance for Mechanical Engineering Project

    Ousmane, Oct 31, 2023 ... 2
    Replies:
    22
    Views:
    2,112
    BlueBell
    Nov 5, 2023
  37. CasparvdBroek

    Help find copy of Fekete article

    CasparvdBroek, Jan 19, 2018 ... 2 3
    Replies:
    30
    Views:
    6,012
    CasparvdBroek
    May 16, 2018
  38. Rounak Saha Niloy

    Height of Superstructure of Passenger Ship

    Rounak Saha Niloy, Nov 17, 2022
    Replies:
    6
    Views:
    1,101
    RAraujo
    Nov 20, 2022
  39. Charles Reaves

    Heeling at speed

    Charles Reaves, May 8, 2021
    Replies:
    11
    Views:
    1,498
    Mr Efficiency
    May 9, 2021
  40. ClaudioD

    Heeling and Righting moments calculation

    ClaudioD, Sep 3, 2021 ... 2
    Replies:
    20
    Views:
    3,311
    TANSL
    Sep 7, 2021
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