Observed arrival · 2026-09-11
Perrette: One Geometry, Eight Questions
Perrette is building simulation software that examines one building model across fire, ventilation, structure, acoustics, carbon, energy, optimization, and egress.
Field notes
Perrette organizes building analysis around a shared geometry rather than a single all-purpose performance model. The homepage separates eight questions—among them smoke movement, outside-air delivery, structural load paths, acoustic intelligibility, embodied carbon, annual energy use, variant selection, and evacuation time—and says each requires its own physics and simplifications. The software remains unreleased, while the site publishes methods, reference documents, and planned scientific articles. A tools section is described as documenting requirements, exclusions, and guarantees.
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