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BPXI ULTIM Plateform


Oceanic Flying multihull

Latest born of the Ultim 32/23 Class

Designed by VPLP for the Team Banque Populaire

Calculations by Gsea Design (plateform, rig, appendages)

Built in Carbon / Nomex by CDK, Multiplast, Fiber mechanics



Definition of the structural design specifications

Guidance in choosing and realize the material testings

Pre study with a FEA stick model thanks to our suit of internal softwares

Full composite FEA shell model of the final structure

Validation of the critical areas with volumetric FEA modeling (chainplates, assemblies…)

Calculation and integration of all the load application points and systems (appendages systems, chainplates…)

Analysis of the structure with multiple loadcases: rig, hydrostatics, hydrodynamics, appendages…

Definition and optimizations of all structural concepts ans scantlings for the best compromise between Strength / reliability / weight

Study on fluid impact in partnership with BV Solutions

Guidance during construction

Technical environment


Composite shell and volumetric FEA: FEMAP/NASTRAN  HYPERMESH/OPTISTRUCT

5 engineers, 3200h of study

Material testing in partnership with UBS