OVERVIEW
- Vibration testing of the Orion Multi-Purpose Crew Vehicle (MPCV) Configuration 4 (C4) Structural Test Article (STA) was performed in the
reverberant acoustic chamber at Lockheed Martin - Significant nonlinear behavior and response deviation from pre-test FEA predictions
- MPCV Nonlinearities determined to be stick-slip in nature, sourced to
multiple key joints