BLUNT Umbrella

The strongest umbrella out there

Does the same job

Umbrella2014 · ▲81
Never forget your umbrella when you're going to need it
Senzº2014 · ▲76
Umbrella reimagined-withstands 70mph wind
Umbrella Drone2017 · ▲155
Hands-free umbrella that follows you everywhere (via GPS)!
Air Umbrella2014 · ▲117
Pressurized air to protect your head from rain (pre-launch)
Oombrella2016 · ▲87
The unforgettable umbrella!
Weatherman ☔️2017 · ▲105
Industrial-strength fiberglass Umbrella that can be tracked.

TL
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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

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AG
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