ICABFEA applied to hydraulic

structures

QuitQuitinternet: http://www.icab.fr/

Design and FE AnalysisGraphical data capture interface :

General view:

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CAD data inputImport IGES (or DXF AutoCAD) file

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CAD detailDetail of the import

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MeshingMeshing :

Preliminary mesh

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Finite element MeshingCreation of the shell elements

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Model completionCompletion of the meshing by rotation

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Pressure loadApplying of boundary conditions :

Pressure = 12 bars :

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Assemble partsAssembly of the other parts :

+ cover with bearing

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Assemble parts (2)+ support of the case

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Assemble parts (3)The full structure

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Results - stressesVisual output :

Stresses

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[bop9 ] BOP DONGCal c ul3 G d ead load + Pr pre ss ure1/ 39; Sm contr ainte de Mises (coque) [0.033 15; 45 1.4 N /mm2]

x

yz

x 1 N/mm2195.57

171.13

146.69

122.25

97.82

73.38

48.94

24.50

0.06

Results -displacementDeflection

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Dynamic analysisCritical rotating speed of the shaft

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Vibration analysismodal analysis to extract eigen modes:

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Parametric study+10% increase of stiffener height reduces stresses (-6% - 20%)

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Welding effectStress concentration in missing welding area

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ICABFEA software used to

predictdeflectionStressesDynamic response

to improve design and reliability

QuitQuitinternet: http://www.icab.fr