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

insideHPC Report · 126.2K views · 2015-05-05 · 46:37

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Overview

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.

On Hacker News

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

Recommended by 5 HN people across 5 months · HN mentions 2015–2024

Topics

Space exploration & spaceflightComputer architecture & CPUsComputer graphics & rendering
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cfdgpu computingspacexraptorcombustion

What people said

paulsutter · 2024-10 · Strong recommendation

The key was the full scale combustion simulator software that SpaceX developed to design the Raptor. This talk was given at NVIDIA GTC 2015 and inspired me to go into manufacturing [VIDEO] title: "GPUs To Mars: Full Scale Simulation of SpaceX's Mars Rocket Engine"

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danielvf · 2022-09 · Recommendation

Or maybe it is that SpaceX is doing simulations on a level ahead of what everyone else does. Here's one of several amazing videos from SpaceX simulations. (There are more, but I don't have the link to the others) [VIDEO]

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swimfar · 2019-05 · Recommendation

I remember that. Fluid dynamics is a very tricky thing to model and the work they did was really cool. There's a good video presentation on it here: [VIDEO]

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Sources

Video by insideHPC Report, played through YouTube.

Data and selection notes

HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.

HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

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