3. Verifications Daniel PRIOUR December 2009 - - PDF document

3 verifications daniel priour december 2009 validation
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3. Verifications Daniel PRIOUR December 2009 - - PDF document

3. Verifications Daniel PRIOUR December 2009 Validation: weight stretched Article: Priour D., 1999, Daniel PRIOUR December 2009 Calculation of net shapes by the finite element method with triangular elements,


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Daniel PRIOUR December 2009

  • 3. Verifications
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Daniel PRIOUR December 2009

Validation: weight stretched

Article: Priour D., 1999, Calculation of net shapes by the finite element method with triangular elements,

  • Commun. Numer. Meth.

Engng, 15, p 755-763

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Daniel PRIOUR December 2009

Bending

“Final report, Priour D., O’Neill, F., Sala A., Chevaillier P. & Herrmann B., 2006, PREMECS-II Q5RS-CT-2002-01328”.

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Daniel PRIOUR December 2009

Bending: horizontally hold

“Final report, Priour D., O’Neill, F., Sala A., Chevaillier P. & Herrmann B., 2006, PREMECS-II Q5RS-CT-2002-01328”.

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Daniel PRIOUR December 2009

Bending: vertically hold

“Final report, Priour D., O’Neill, F., Sala A., Chevaillier P. & Herrmann B., 2006, PREMECS-II Q5RS-CT-2002-01328”.

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Daniel PRIOUR December 2009

Drag on hexagonal meshes

Priour D., 2002, Analysis of nets with hexagonal mesh using triangular elements,

  • Int. J. Numer. Meth.

Engng., 56, p 1721-1733. DOI: 10.1002/nme.635

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Daniel PRIOUR December 2009

Hydrostatique pressure

Priour D., 2005, FEM modelling of flexible structures made of cables, bars and nets, Proceedings of the IMAM Conference, Lisboa, 26- 30september 2005, p 1285-1292.

Mesh bar : 37.2mm Nb of mehes around : 50 Nb of meshes along : 50 Catch volume : 0.0265m3 Density (ρ) : 1000 Kg/m3 Radius of top circle : 0.25m

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Daniel PRIOUR December 2009

Catch pressure

“Final report, Priour D., O’Neill, F., Sala A., Chevaillier P. & Herrmann B., 2006, PREMECS-II Q5RS-CT-2002-01328”.

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Daniel PRIOUR December 2009

Fish cage

Répecaud M. & Rodier P., 1993, Note interne IFREMER, Compte rendu d’essais : Cages pour l’élevage du poisson en mer, DITI/NPA/93.020 Contact between netting panels

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Daniel PRIOUR December 2009

Bending

The tuned EI value tuned is (0.00045N.m2) closed to the value measured by Sala (0.00047 to 0.00069N.m2). “Final report, Priour D., O’Neill, F., Sala A., Chevaillier P. & Herrmann B., 2006, PREMECS-II Q5RS-CT-2002-01328”.

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Daniel PRIOUR December 2009

  • 1.5
  • 1
  • 0.5

0.5 1 1.5 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5

netting twine with no bending stiffness netting twine with bending stiffness

The bold part identifies where the pressure acts. O’Neill F.G. & Priour D., 2009, Comparison and validation of two numerical models of netting deformation. ASME Journal of Applied Mechanics. September 2009, Vol 76.

Mesh opening stiffness