Structural Optimization of Non-Line-of-Sight Cannon (NLOS-C) Turret
Dr. Nam Ngo, United Defense, L.P.
Mr. Vincent Whelan, United Defense, L.P.
Dr. Brian Bauman, United Defense, L.P.
Mr. Ed Alexander, United Defense, L.P.

Abstract:
Minimizing system weight is one of the key requirements in the air transportation of the Future Combat System, Manned Ground Vehicles in a C-130 military aircraft.  At United Defense, a process was developed for determining the optimum structural configuration of the Non-Line-of-Sight Cannon using an integrated system level model.  The process involves: (i) topologically optimizing the space claim model to determine the optimum material layout; (ii) designing from the topological results new structures that incorporate the optimized material setup; and (iii) size and shape optimizing the new structures to obtain the lightest possible designs that can support the structural loads and meet the natural frequency requirements.

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