OVERVIEW Orbital ATK (formerly Composite Optics, Inc.) is a provider of advanced composite products for the space and aerospace markets. One of Orbital ATK’s core businesses is large, shaped reflector assemblies for the telecommunications industry. Typically, Orbital ATK is responsible for their design, analysis, and fabrication. The shaped reflectors are geometrically complex, high-accuracy surfaces. The composite materials used for the assembly offer light weight, high stiffness, and tailorable coefficient of thermal expansion (CTE) characteristics. Since 2000, ATA has augmented Orbital ATK’s internal staff by providing analysis support on a wide variety of composite reflector programs. TASKS PERFORMED & KEY OUTCOMES h Developed coarse finite element models (FEMs) of design conce

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