A simulation framework is presented which combines Computational Fluid Dynamics (CFD) with system dynamics for consideration of design variations. Best practices for building CFD simulations for maneuvering of a Joubert class submarine with X-form sternplanes are discussed with a focus on economization on computational cost to enable application in the concept design phase. It was demonstrated that integrated simulation technology is an effective means to study conceptual design variations, e.g. control protocols, control surface arrangements and the effect of engine dynamics as investigated in the present study.

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