System Dynamics Model
Theory of Constraints
Stock and flow model — adjust rates to see how queues accumulate and where the constraint dominates
Queue levels over time — 120 tick simulation
Discovery
Analysis
Dev
Testing (constraint)
Release
Adjust the sliders to see how the constraint shapes the system.
Flow rates (items/tick)
Arrival rate
3
New work entering Discovery
Discovery → Analysis
4
Analysis → Dev
4
Dev → Testing
5
Testing capacity ⚠
2
The constraint — try increasing this
Release → Done
4
Current queue depth
Discovery
0
Analysis
0
Dev
0
Testing
0
Release
0
Done
0
Simulation
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