Spacecraft Launcher Nozzle
Problem
- Model/test mismatch
Impact
- High test/model cost
- Lower performance
- High operation cost
Root cause
The nozzle was made of 2 main pieces joined by a combination of bolts and elastomeric joints. This complex connection was a source of nonlinearity which contributed to test-model differences.
Solution
Proper identification of the nonlinear connection and creation of a nonlinear model allowed to properly represent the dynamics of the spacecraft structure.
Benefits
Efficiency gain. Lower launch cost through safety margin and weight reduction.
Having a project in mind ?
Other space cases:
Smallsat Case
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