Engineer uses Claude Opus 5.5 to run river hydraulics calc with 3D viz, in-browser
anselm · x · 2026-10-04
Japanese engineer @dobokuya77 used Claude Opus 5.5 to complete a river non-uniform flow calculation end to end: the model wrote the Python computation, generated the calculation report, built a 3D model textured with aerial photos, and produced heatmaps that shift with flow rate — making hydraulically stressed river sections easy to spot visually. The whole thing runs in the browser.
The author called the result unbelievably good; retweeter anselm shared it in amazement. A striking example of Claude delivering usable professional engineering output in one shot.
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