![]() That might make you think that we’d use this for simulating something like water flow on a planet’s surface, but “fluid” here actually has more to do with simulating much larger objects. SPH is a computational method commonly used for modeling fluids (though it can also handle solids). Or if you’re curious about SPH, but perhaps not curious enough to read 35 pages on it, here’s a crash course: What is SPH and how does it work?įor a deep dive into the mechanics of SPH, check out this paper from our very own physics developer, written back in 2010 (interestingly, not written in relation to Universe Sandbox, but for another project that was similar in many ways - there’s a reason why we hired him many years ago to help build this new version of Universe Sandbox, and it had more to do with relevant experience than it did with his propensity for typos… *wink*). This is a behind-the-scenes look at a feature that we are still working on. SPH is NOT included in Universe Sandbox yet. ![]() Introducing… smoothed-particle hydrodynamic fluid simulation. We’re excited to explore its possibilities even more.īut right now, let’s turn our attention to something our physics developer, Alexander, has been working on. Surface Grids is a massive new feature that changes a lot with the core simulation of objects in Universe Sandbox, and so far we’ve just scratched the surface of what it can do. ![]() ![]() We plan to continue to add to the Surface Grids feature with even more detailed surface simulation through next year and beyond. If you haven’t, time to get out from that rock you’ve been living under and start terraforming all those other rocks floating through space. Hopefully by now you’ve had time to check out Surface Grids & Lasers | Update 24 of Universe Sandbox. Video: Simulating a planetary collision using a new method called smoothed-particle hydrodynamics (SPH). ![]()
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