// Coupled Systems Demo

Failure Cascade Simulator

One thing breaks. Six systems react. Watch a single fault spread day by day through the entire mission.

Most risk analyses treat each subsystem separately. The real problem is the connections between them. A CO₂ scrubber failure looks like an air problem on Day 1. By Day 6, it's a cognition problem. Pick a starting fault and watch how the damage ripples through air, food, water, physical health, psychology, and decision-making.

How to read this: pick one failure on the left. The right side runs a clock at 80 ms per day against six health bars, all starting at 100. As the simulation runs, the log explains every drop. The thing to watch for is which systems get dragged down by something that started somewhere completely different.

// Seed Failure SELECT ONE

// Simulation Parameters CLOCK

Mission Length 60 DAYS

Day Failure Begins DAY 01

// Simulation State IDLE

Mission Day

00 / 60

Composite Health

100

// Final State

FEASIBLE

Modeled composite: 100 / 100

—

// Cascade Log 00 EVENTS

// Awaiting simulation start

// Methodology Note · Beta

These cascade rates come from the model, calibrated against spaceflight medical data, ISS incident reports, and analog-mission studies (Antarctic stations, submarines, HI-SEAS). The goal is to make the connections between systems visible, not to predict exact days. The framework is in beta and the numbers are still being stress-tested.

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