Life & fun · December 25, 2024
Secret Santa Gifting Network
A global secret Santa gift exchange
What it does
Experience the joy of giving with a global Secret Santa exchange! Choose your gift tier, share your wish, and get matched with another participant. Send a thoughtful gift, receive a surprise, and spread holiday cheer with a simple, heartwarming act of kindness
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Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…
Life & fun · 26d ago · baselashraf81.github.io
