Reference : Ship Structure Optimization Using CAD/FEM Integration
Scientific congresses and symposiums : Paper published in a book
Engineering, computing & technology : Civil engineering
http://hdl.handle.net/2268/121060
Ship Structure Optimization Using CAD/FEM Integration
English
Amrane, Amirouche mailto [Université de Liège - ULg > Département Argenco : Secteur TLU+C > ANAST (Systèmes de transport et constructions navales) >]
Caprace, Jean-David mailto [Université de Liège - ULg > Département ArGEnCo > Constructions hydrauliques et navales >]
Rigo, Philippe mailto [Université de Liège - ULg > Département ArGEnCo > Constructions hydrauliques et navales >]
11-Jun-2012
11th INTERNATIONAL MARINE DESIGN CONFERENCE
University of Strathclyde
Yes
International
Glasgow
UK
11th INTERNATIONAL MARINE DESIGN CONFERENCE
11 au 14 juin 2012
University of Strathclyde
Glasgow
UK
[en] Ship Structures ; Optimization ; CAD ; FEM ; AVEVA Marine ; ANSYS ; ModeFrontier
[en] In ship structural design, scantling optimization using mathematical algorithms is not yet largely
implemented in industry. Optimization with mathematical algorithms can be very helpful to find the best
solution (minimum weight, minimum cost, maximum inertia,…). Typically, finite element analysis (FEA)
tools are used in ship structural assessment. But, to build a FEM model from a CAD one is not easy. It
needs a big amount of manual work. In the present work, an innovative optimization workflow was
developed. The following steps are carried automatically without any manual intervention. First, from
the 3D CAD model, an idealized CAD model is created by the idealization module to take into account
the FEM needs. Then, the idealized CAD model is transferred to the FEM tool. After that, the FEM
model is meshed and loaded. After FEM solving, the results (stress, displacement, volume etc.) are
transferred to the optimizer. The optimizer evaluates the values of the objective function and the
constraints previously defined and modify the design variables (plate thickness and the stiffener
scantling) to create a new structural model. After several iterations, the optimum solution is evaluated.
University of Strathclyde
University of Strathclyde
http://hdl.handle.net/2268/121060
www.imdc2012.org.uk

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