Life & fun · November 25, 2019

Velonomix
Instant indoor cycling workouts
What it does
Indoor cycling workouts to help you achieve your fitness goals! Whether you want to lose weight, improve your general health and fitness or become a better cyclist; Velonomix has you covered. Perfect for at home or at the gym.
Does the same job
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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:…
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