decay · process
drift toward a wall at a rate faster than the work being done to oppose it
Examples
- The Tacoma Narrows Bridge twisted apart in 1940 when wind-driven oscillations overwhelmed structural damping. engineering
- By 2023, Venezuela’s Orinoco Belt oil output fell below 500,000 bpd despite reserves, as maintenance lapsed. economics
- In 2017, the LIGO detector’s calibration drifted beyond usable range between scheduled adjustments. physics
Emergence
through: An aimless drift pushes a parameter toward the end of its allowable range, and the speed of that movement exceeds the rate at which maintenance effort can correct it, causing the condition to degrade.
- unidirectional degradation
- overwhelmed maintenance
- accelerating decline
Chain to foundations
as tree
- decayL15
- driftL11
- parameterL4
- changeL1 (shown above)
- goL3
- makeL4
- nothingL10
- noneL9
- differenceL1
- patternL0 (shown above)
- amountL8
- sizeL2
- quantityL7
- numberL6
- differenceL1 (shown above)
- distinctL3
- differenceL1 (shown above)
- othersL2
- spaceL0 (shown above)
- timeL0 (shown above)
- patternL0 (shown above)
- differenceL1 (shown above)
- othersL2 (shown above)
- spaceL0 (shown above)
- marksL5
- differenceL1 (shown above)
- partL1 (shown above)
- changeL1 (shown above)
- patternL0 (shown above)
- surfaceL4
- boundaryL2
- spaceL0 (shown above)
- differenceL1 (shown above)
- changeL1 (shown above)
- touchL3
- spaceL0 (shown above)
- boundaryL2 (shown above)
- interactionL2 (shown above)
- changeL1 (shown above)
- partL1 (shown above)
- boundaryL2
- sizeL2 (shown above)
- numberL6
- numberL6 (shown above)
- differenceL1
- offL2
- spaceL0 (shown above)
- differenceL1 (shown above)
- noneL9
- wayL9
- spaceL0 (shown above)
- linksL8
- partL1 (shown above)
- connectsL7
- flowL3
- interactionL2 (shown above)
- persistL1 (shown above)
- structureL2 (shown above)
- broughtL6
- happenL2
- wallL10
- windowL7
- parameterL4 (shown above)
- boundaryL2 (shown above)
- changeL1 (shown above)
- parameterL4 (shown above)
- maintenanceL14
- fastL9
- workL3 (shown above)
- towardL14
- ratingL9
- numberL6 (shown above)
- differenceL1 (shown above)
- usualL2 (shown above)
- driftL11
Neighborhood
Concepts that depend on this one above; what it is built from below.
Relations
| contrasts-with | wall.range-end | decay moves toward wall, maintenance keeps away from wall |
| contrasts-with | maintenance.upkeep | decay occurs when maintenance is insufficient |
| is-a | drift.aimless | decay is a type of uncontrolled drift |