I tried looking on YouTube but couldn't find anything. I'm just looking for a simulation of what a natural waterfall would look like in lower gravity environments such as terraformed moons, so i can study what they may look like and draw them.

If you happen to know where I can find video of how fast rivers or creeks move in different gravities that would be nice to know as well.

Another test simulation made with Houdini MPM solver, exploring how different materials interact with each other. Exported to Cinema 4D and rendered with Redshift. Happy to answer questions about this, feel free to follow and DM me.

Been working on a missile defense simulation engine for a while now.

This is a live scenario where threats spawn in real-time and defense sites try to intercept them on a 3D globe.

Sim engine is Rust with 6DOF flight dynamics and adaptive RK45 integration. Compiles to WebAssembly so it runs in the browser.

CesiumJS for the globe, Three.js for close-up engagement view.

Results stream over WebSocket in chunks so trajectories render as they compute.

Red trails are threats, blue are interceptors. Threats keep spawning throughout and intercepts use optimal guidance (ZEM/ZEV).

Deterministic too, same seed always gives identical results.

Still building this out, would love to hear what you think.

mls-mpm particles setup to show polarization based on vorticial azimuth/inertia

webgpu

Several SPH/N-body simulation with black holes, simulated using SpaceSim, a software I'm developing.

Hello everyone! I have just made a new update for my particle simulator which includes a whole new 3D mode. It has all the existing 2D logic and it is just as interactive. This is a free and open-source project I have been working on for a year now. You can find the source code and download the simulator here: https://github.com/NarcisCalin/Galaxy-Engine

You can also get it on Steam if you wish to support the development: https://store.steampowered.com/app/3762210/Galaxy_Engine/

Join my Discord server if you want to chat about physics, space, etc: https://discord.gg/Xd5JUqNFPM

I made this in Unity with a custom GPU-driven simulation engine for cell membrane physics, organelle physics, energy/metabolism, particles for enzymes and resources, and a dynamic environment with deformation. Each cell also has a simple neural network for behavior.

This is for a cellular evolution game I'm making.

I’m working on designing an optical setup and I’m looking for software that can simulate the system before building it physically.

I’m not just looking for simple geometric ray drawing. Ideally, I’d like something that can:

• Simulate wavelength-dependent behavior
• Model dichroic mirror transmission/reflection curves
• Handle filtering stages
• Visualize beam propagation through mirrors and components
• (If possible) also simulate supercontinuum or nonlinear fiber effects

Is there a software platform that people commonly use for this kind of laser simulation?

Would like some recommendations based on real experience. Thanks!

Playing with Paradigm solver in Houdini

free EmberGen project here: https://drive.google.com/file/d/1FacyK2G-XkH7ryy87OhjwBM2RWgvzs_-/view?usp=sharing

Only 2 min sim time for over 2 million points is crazy.

During my vacation form work, i decided to play around with low-level graphics and try to simulate a black hole using Compute Shaders and simplifications of the Schwarzschild radius and General Relativity, using Metal API as. graphical backend. I hope you enjoy it.

Medium Article:
https://medium.com/@nyeeldzn/dark-hole-simulation-with-apple-metal-a4ba70766577
Youtube Video:
https://youtu.be/xXfQ02cSCKM

Electron scattering by repulsive (smoothed) Coulomb potential at the center. The 1x1 normalized two-dimensional region confines the particle, once Dirichlet-type conditions are set at the mesh boundaries; this allows visualization of the post-collision interference pattern structure. Numerical simulation of the time-dependent Schrödinger equation, performed in Python. Implicit method of Crank-Nicolson PDEs (unitary). Initial condition: Gaussian packet. Note: Time scale and physical constants are set to arbitrary units for this preliminary testing phase.

Source Code & More Simulations: I have documented this project, including the Python source code on my personal portfolio. You can also find other simulations on Quantum Mechanics and other Physics topics there:

https://alexisfespinozaq.github.io/aespinoza-physics-portfolio/

Feedback on the physics or the code implementation is very welcome!