Structural Dynamics.
WIDE RANGE OF CAPABILITIES
Quartus has a wide range of capabilities for performing structural dynamic analysis. Capabilities include:
- Normal modes analysis including modal effective mass
- Transient analysis for time-domain events
- Sine vibration analysis
- Random vibration analysis
- Shock response spectra (SRS) analysis
- Explicit analysis methods (Abaqus and LS-DYNA) for highly nonlinear elastic problems
- Mechanism simulation including integrated stress/deflection analysis
- Jitter and optical performance
ADVANCED FEATURES
Quartus has extensive experience in advanced techniques including:
- Superelements (substructuring) for large models, component mass and stiffness matrices, and efficient reanalysis
- Fixed-interface (Craig-Bampton) modal synthesis method
- Free-interface (MacNeal-Rubin and Hruda-Benfield) modal synthesis methods
- Mode acceleration and residual vector methods for accurate responses
- Data recovery matrices including accurate element forces and stresses
- NastranDMAP alters for special analysis and output
CHALLENGING ENVIRONMENTS
- Quartus can analyze complex structures and environments such as:
- Launch vibration and acoustics for spacecraft
- Electronic components for shock and vibration
- Missile systems for transient and quasi-static loads
- Aircraft hardware for vibroacoustic environments
- Avionics enclosures for random vibration and shock conditions
- Vehicle impact on land and water including airbag attenuation
