Abstract
This paper describes the application of commercially available process automation and optimisation software to the design of submarine pressure hulls. The Isight software provided by Dassault Systemes, which integrates with a range of internal and external tools, including their Abaqus FE software, and provides access to numerous sophisticated design assessment and optimisation routines, was used. Within the Isight environment, disparate tools can be linked in structured workflows and the following case studies are described: • Minimum weight pressure hull design for different operating depths using traditional design formulae. • Design refinement for weight reduction using linear elastic FE. • Sensitivity of pressure hull collapse strength to shape imperfection using elasto-plastic non-linear FE. Automating these processes does lead to an increase in the amount of output, which can require an experienced eye to interpret, but they have produced demonstrable design improvements that just would not have been realised by manual methods.
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