Pagnotta Engineering

Performed to characterize stress levels and verify that a mechanical component or assembly will safely perform,
from a strength standpoint, throughout its design service life.

Finite Element Modeling | Hand Analysis Methods | Fail-safe Analysis


N-STAR Liquid Apogee Engine (LAE) support analysis for NTT DoCoMo (Japan)


Orbital Sciences Corp.


• Developed Finite Element Model (FEM) of LAE support assembly
• Performed Modal Trade studies to optimize design for minimum fundamental natural frequency
• Ran static stress analyses
• Thermal loads analysis to determine stresses due to different material thermal expansion rates
• Acoustic response analysis to determine stress levels due to pseudo-sound field of launch environment
• Final design trade studies to optimize design for manufacturability and weight minimization

UGS FEMAP used for pre- and post- processing of static Finite Element Analysis with UAI/NX Nastran.
Isometric view of LAE support assembly FEM FEM details LAE heat shield and bracket LAE heat shield stress plot for thermal loading

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