Semi-related?
"Show HN: Anyma V, a hybrid physical modelling virtual instrument" 01-aug-2024 https://news.ycombinator.com/item?id=41132104 29 comments
"Show HN: I built a synthesizer based on 3D physics" 02-may-2025 https://news.ycombinator.com/item?id=43873074 123 comments