3222. Enhanced Ship Structural Weight Estimating Methods, Using the NAVY’s ASSET Early Stage Surface Ship Design Synthesis Model
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Paper
Abstract
The Advanced Surface Ship Evaluation Tool (ASSET) is a family of interactive computer programs used by the US Navy in exploratory and feasibility design phases of naval surface ships. The primary purpose of ASSET is to perform the initial prediction of ship physical and performance characteristics based on mission requirements and to do so with sufficient fidelity that the total ship implications of subsystem level design and technology decisions are evident.
Over the last 2 years significant modifications have been made to this program in the area of ship structural weight predictions. The ASSET Hull Structure Module has adapted its methodology from another naval ship structural design program called Design Program for Ship Structures (DPSS), and it has been modified to use the ship geometry from the other ASSET modules to automate some of the selection of structural components to facilitate multiple total ship iterations, typical in early stage ship design.
This paper addresses the new hull structural design enhancements implemented in ASSET Version 4.6, and walks the user through the Hull Structure Module?s methodology, requirements, output and proper user interpretation.
