You already asked about this topic Can Julia make voice synthesizer using pressure simulation? …
There are hundreds of books and courses on finite-element analysis if you were actually serious, and there is a lot of literature on “physical modeling” sound synthesis that is a google search away. But you would begin by understanding very basic physics, like a vibrating string, and basic numerical methods, and working up … essentially you’re talking about several years of university curriculum.
You have a history of announcing absurdly ambitious vaporware projects on this list (e.g. immersive cinematic games), and it’s hard to take you seriously. If you want to write actual software, you need to start smaller. e.g. find one existing software package of interest to you, and find an issue or small missing feature and fix it.