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