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[SIGGRAPH 2018] Moving Least Squares MPM with Compatible Particle-in-Cell

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  • Опубликовано: 28 апр 2018
  • Paper: yuanming.taich...
    Code: github.com/yua...
    Supplementary document: taichi.graphics...
    Information about accessibility can be found at accessibility....

Комментарии • 56

  • @Harrzack
    @Harrzack 6 лет назад +69

    Great stuff, no doubt. But when I cut MY cheese it always sticks to the knife an requires a bit of fiddling to get the slice to fall free.

    • @ethanymh
      @ethanymh  6 лет назад +24

      Yeah, I agree. We can set the boundary condition on the knife to make it more realistic in that sense.

    • @HeavySandvichGuy1
      @HeavySandvichGuy1 5 лет назад +2

      depends on type of cheese

    • @boriswilsoncreations
      @boriswilsoncreations 4 года назад

      but it doesn't simulates the stickiness, does it?

  • @tyelork
    @tyelork 6 лет назад +15

    Your simulation work is both very impressive and very underrated.
    Great work here!

    • @ethanymh
      @ethanymh  6 лет назад +1

      Thank you! :-)

    • @tyelork
      @tyelork 6 лет назад

      Yuanming Hu Of course!

  • @RobinCawthorne
    @RobinCawthorne 5 лет назад +5

    You guys and the work you're doing are awesome!

  • @MauMeMusic
    @MauMeMusic 4 года назад

    You are the Last hope of humanity, please continue what you are doing. And hire me 4 years from now.

  • @copperheadchris2807
    @copperheadchris2807 5 лет назад +37

    Very cool. I understood none of it

    • @tempname8263
      @tempname8263 5 лет назад

      That was the intention. (kinda)

    • @bobmiah
      @bobmiah 5 лет назад

      Hack

    • @bobmiah
      @bobmiah 4 года назад

      @@dripku2837 i wrote this reply a year ago why did you reply to it lol

  • @CharlesVanNoland
    @CharlesVanNoland 6 лет назад +16

    Mmmmnnn, floppy bunny quarters.

  • @WildAnimalChannel
    @WildAnimalChannel 6 лет назад +4

    Good work!

  • @andruluvsu
    @andruluvsu 6 лет назад +2

    Nice work!

  • @mingg11
    @mingg11 6 лет назад +2

    必须手动点赞一波了!

  • @aslanburnley
    @aslanburnley 6 лет назад +4

    wew fluid dynamics and mass transfer :P

  • @eclipse2966
    @eclipse2966 6 дней назад

    How well would this method work for plate tectonics? Would it be able to cause breaks in the simulated crust to form new plates?

  • @williamguan5962
    @williamguan5962 5 лет назад

    Great job. Thanks for sharing. Some questions for the last walking robot in sandbox, 1) what's simulation time per frame? 2) what's the simulation time if the sandbox is only 1.5x of robot size in each dimension to minimize the particle volume ?

  • @mccloud35
    @mccloud35 5 лет назад +1

    This is amazing. And looks very fast. For rendering did you use something like Houdini?

    • @ethanymh
      @ethanymh  5 лет назад +1

      Yes

    • @abhishek.chakraborty
      @abhishek.chakraborty 5 лет назад

      @@ethanymh Awesome work with great presentation ! For the demos of your work, did you have to build plugins for Houdini, or does it naturally support extension ? Specifically, for adding new research related behavior into Houdini, what kind of programming was needed ?

    • @ethanymh
      @ethanymh  5 лет назад +1

      @@abhishek.chakraborty We don't integrate our solver deeply into Houdini - instead, we just used partio to export particles for Houdini to render.

    • @abhishek.chakraborty
      @abhishek.chakraborty 5 лет назад

      Yuanming Hu Thanks for answering !

  • @tamat
    @tamat 6 лет назад +2

    Could the particle reconnect by proximity after being sliced?

    • @ethanymh
      @ethanymh  6 лет назад +2

      Yes, for elastoplastic materials that will work. For purely elastic material that may not happen.

  • @joeyzahorik6878
    @joeyzahorik6878 6 лет назад +4

    What education would one go through to work in this field

    • @GoatMen
      @GoatMen 6 лет назад +2

      Computer science, masters level. With a focus in algorithms and rendering.

    • @YourCRTube
      @YourCRTube 6 лет назад

      A ton of math to begin with.

    • @ethanymh
      @ethanymh  6 лет назад +3

      Computer science + a bit physics/math

  • @macdonald_duck
    @macdonald_duck 3 года назад

    Hi! What attributes does any of those particles have (except density)?

  • @willobeen
    @willobeen 5 лет назад

    Yum the banana looks like butter to me. I want to eat a butter banana. ooooh. great work

  • @dannychen1527
    @dannychen1527 6 лет назад +1

    优秀!

  • @hakim.mkacher
    @hakim.mkacher 4 года назад

    Can you please tell me about the programming language and the simulation software. Thank you.

  • @DwAboutItManFr
    @DwAboutItManFr 6 лет назад +1

    It is better collision detection then? (I am naive)

    • @ethanymh
      @ethanymh  6 лет назад +3

      I would say "better cutting and particle-rigid body interaction" :-)

  • @mostafavfx
    @mostafavfx 4 года назад

    Please how download Siggraph software

  • @MrChuxel
    @MrChuxel 5 лет назад +2

    @
    Yuanming Hu may be you know why SIGGRAPH demos never translate to game industry? Never, It's just science tech demos. I'm so frustrated about this. Also almost all demos don't show how they're applicable for realtime simulations (or not, because lack of information about this part). :(

  • @GuillermoValleCosmos
    @GuillermoValleCosmos 6 лет назад +4

    was the example at 3:38 time reversed?

    • @ethanymh
      @ethanymh  6 лет назад +24

      Not exactly. We color the particles at the end of the simulation and let the coloring persist throughout the simulation.

    • @ethanymh
      @ethanymh  6 лет назад +10

      We just colored the particles in the end and then "back-propagate" the color :)

    • @MouseGoat
      @MouseGoat 6 лет назад

      well, even if you say that, its a simulation.
      it won't matter which way you play it.
      But its mind-blowing what can be computed really cool stuff. cant even begin to imagien what the futur of computer simulation wil look like.

  • @marverickbin
    @marverickbin 6 лет назад

    Amazing.
    Can be done in real time with current technology?

    • @ethanymh
      @ethanymh  6 лет назад

      Thanks. I believe 2D or low-resolution 3D can be done in real time.

  • @M92FSINOX
    @M92FSINOX 5 лет назад

    Poor Armadillo getting abused all the time 😢

  • @WillTesler
    @WillTesler 6 лет назад +2

    When will this be available in Unity?

    • @ethanymh
      @ethanymh  6 лет назад

      I think a 2D real-time version can be available if somebody denotes some engineering effort.

    • @TOASTEngineer
      @TOASTEngineer 6 лет назад +3

      Note the "100 seconds per frame" stuff on the title cards :P

    • @mikakorhonen5715
      @mikakorhonen5715 6 лет назад +1

      Shhh, game engine people don´t understand the struggle.

    • @XArthurMa
      @XArthurMa 5 лет назад

      @@ethanymh Is the time shown in the video just simulation or includes rendering?

    • @ethanymh
      @ethanymh  5 лет назад

      @@XArthurMa just simulation

  • @jankucera8505
    @jankucera8505 11 месяцев назад

    taichi is otherwordly