Supporting UK Composites

Submarine Excrescencies Design and Analysis

January has been another milestone month for the Advanced Composites Division of Frewer Engineering, with the completion of a two-year programme to design and analyse a range of prepreg composite submarine masts for strategic naval defence. The project involved the detail design and complex FEA structural analysis of a series of 5m-plus long telescopic masts subjected to challenging static and shock loading conditions, all operating within harsh environmental conditions.

All skill-sets from Frewer’s dedicated and highly experienced composites team were required throughout the duration of the project, from concept design, through 3D CAD design using Siemens NX and PTC CREO, to laminate creation using CoDA and finally detailed FEA work using NX Nastran. As well as meeting the requisite strengths, the customer set critical stiffness and weight targets which, after several iterations and subtle modifications to the design, were not only achieved but surpassed.

Website: https://frewer-engineering.com/project/advanced-composites-division

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