FEAScript is a finite element simulation library developed in JavaScript. It runs engineering simulations in the browser or in Node.js, with no desktop software to install.
🎯 Our goal is a powerful JavaScript API for FEM, so that developers can build professional-grade simulation tools that work on any device, anywhere.
⚙️ What it solves: heat conduction, creeping (Stokes) flow, Euler–Bernoulli beams, front propagation and general-form PDEs (linear and nonlinear), with Gmsh mesh import, CPU/WebGPU solvers and web worker support.
🚧 FEAScript is under active development, so its API may change between releases.
🚀 Use it in a browser page with a single import, or install it from npm with npm install feascript:
<script type="module">
import { FEAScriptModel } from "https://cdn.jsdelivr.net/gh/FEAScript/FEAScript-core/dist/feascript.esm.js";
</script>- The main library, FEAScript core, distributed under the MIT license, with unit, verification and regression tests to check numerical accuracy.
- The documentation (source), covering the API, usage guides and theory, under CC BY 4.0.
- The examples, provided in multiple formats:
- Node.js implementations, showcasing direct API usage.
- Pens on CodePen, for live, editable demos in the browser.
- Notebooks on Scribbler, an interactive JavaScript notebook tool.
- The benchmarks, comparing FEAScript with established finite element software on accuracy, run time and memory, and tracking its speed-up across versions, under the MIT license.
- The website (source) and blog (source), both licensed under CC BY 4.0, with tutorials, updates and various resources.
- Tri's Lab by FEAScript (source), a playful place for students and beginners to discover the finite element method through a pixel-art game and block-based missions, with code under the MIT license and writing and art under CC BY 4.0.
💬 Join the conversation on Discord or follow us on LinkedIn and Bluesky.
🛠️ Contributions are welcome! See the contributing guide to get started.
📨 Join the mailing list to receive project updates and news.
❤️ Support the project via GitHub Sponsors or Liberapay.
