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GPUs to Mars: Full-Scale Simulation of SpaceX's Mars Rocket Engine

insideHPC Report · talk · Watch on YouTube

Space exploration & spaceflightComputer architecture & CPUsComputer graphics & rendering

What it is

SpaceX engineers present at NVIDIA's GPU Technology Conference on a multi-physics code that simulates the full-scale Raptor methane engine. It covers GPU-based turbulent combustion modeling with adaptive grids and wavelet compression.

Why Hacker News recommends it

HN points to it as evidence of SpaceX's serious simulation capability and as a showcase of GPU compute for CFD.

  • 5 people recommended it
  • 5 different months
  • 1 strong recommendations
  • first 2015, last 2024

What HN commenters said

  1. “This talk was given at NVIDIA GTC 2015 and inspired me to go into manufacturing”

    Talk on full-scale combustion simulation for Raptor; inspired the commenter's career

    paulsutter, 2024-10 · Strong recommendation · in “Can SpaceX land a rocket with 1/2 cm accuracy?”

  2. “Here's a fun recent link”

    SpaceX rocket engine GPU simulation talk with further links

    T-A, 2015-07 · Recommendation · in “Ask HN: What companies are doing work related to scientific computing?”

  3. “I think these are still 2D, but pretty amazing”

    Adaptive grid and wavelet compression in rocket engine simulation

    cma, 2015-12 · Recommendation · in “The first plasma: the Wendelstein 7-X fusion device is now in operation”

  4. “There's a good video presentation on it here”

    Presentation on tricky fluid dynamics modeling for rocket engines

    swimfar, 2019-05 · Recommendation · in “Trump Administration Might “Re-Examine” Climate Modeling”

  5. “Here's one of several amazing videos from SpaceX simulations.”

    Amazing SpaceX simulation video

    danielvf, 2022-09 · Recommendation · in “Some things I realized about AI while contemplating slide rule prices on eBay”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: cfd, gpu computing, spacex, raptor, combustion

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