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# general-help
  • w
    Hello, I'm looking to estimate freeboard, drag coeff, and hydrodynamic forces on a canoe through water for a school project. To my understanding I can use the tutorial interfoam for this? Given I have a mesh shape
  • n
  • y
    Hello! Following the readme file would be a good start: https://github.com/Interfluo/OpenFOAM-cybertruckVSf150-6/tree/main
  • n
    Thanks u !
  • n
    ''Finished meshing in = 92.93 s.'' it's good for this ?
  • n
    in terms of calculation speed?
  • y
    depends on the mesh/geometry complexity
  • n
    ah ok
  • n
  • y
    take your time to read the error
  • n
    ok
  • y
    and keep in mind linux is case-sensitive 😉
  • n
    Okay, thanks. I started everything again, but I can't tell if it's me because I have this message right now. I tried to look for the file in question, but I can't find it. anyways thanks you https://cdn.discordapp.com/attachments/400697259819270145/1418212647089868962/image.png?ex=68cd4cf4&is=68cbfb74&hm=581165df261b59d937155a75b63836a57f7ff14223ed74013bc7128bf7c56392&
  • y
    is it the first time you run a simulation in OpenFOAM?
  • s
    Everytime is my first time with FOAM 🙂
  • n
    Yes I'm a big noob I've only done tutorials😅
  • n
    I try to learn
  • y
    that's the way to go, tutorials helps to get familiar with OpenFOAM workflow and commands, but you have to dig into the Allrun scripts to see what is done
  • y
    here ``reconstructPar`` failed to reconstruct the case, so you should check if previous steps ran sucessfully and did write data
  • n
    yes I have done several, but today I thought I would try to run a simulation already done as a "tutorial" except that I realize that there is no All run file like the tutorials. So I tried to follow. what you have on girhib and it gave this 😂
  • n
    It seems to me that yes everything went well, but I think that I will not dissociate the simulation, I will go directly to the results stage
  • y
    what do you mean?
  • n
    At one point, there is a step to separate the computations from the simulation, which is why there is later a command to link everything back together. So I was thinking about skipping the step that separates the computations.
  • y
    you mean ``decomposePar``?
  • n
    Yesss
  • l
    It was some network settings that caused it. Got it solved with some IT-support. It was something with the networkingMod being set to mirrored.
  • y
    it doesn't separate computations from the simulation (well, I'm not sure what you mean by that) but it decompose the simulation domain into subdomain in order to solve in parallel (and run faster)
  • n
    ah ok i'll try
  • o
    *be gentel please🤣
  • y