Fickian diffusion and mass transfer.
Whether you're teaching it to a class, PolySim OS makes diffusion & transport something you can run and tweak, not just read about. Drop a live demo into a lecture or assign it as a shareable link — no lab installs.
Disclaimer. PolySim OS is a simulation and modeling platform, not a certified engineering, scientific, or professional-advisory service. Simulation results, material properties, and generated outputs are provided for research, educational, and informational purposes only and are not a substitute for physical testing, professional engineering judgment, peer review, or regulatory certification. No warranty is made as to the accuracy, completeness, or fitness for any particular purpose of any result produced by the platform. Always validate critical results against experimental data and qualified professional review before relying on them.