Grasshopper

algorithmic modeling for Rhino

Romain Mesnil
  • Male
  • Paris
  • France
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Romain Mesnil's Friends

  • Hendrik
  • Victor Charpenter
  • Gotzman
  • Cyril Douthe
  • Francesco Cingolani
  • Lionel
  • tristan.gobin
  • yousef anastas
  • karamba
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Latest Activity

Romain Mesnil is attending Francesco Cingolani's event
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Design by Data - Advanced Master in Computational Design, Digital Manufacturing and Building Technologies at Paris

September 1, 2017 to July 31, 2018
DESIGN by DATAAdvanced Master in Computational Design, Digital Manufacturing and Building Technologies..........The Design by Data Advanced Master® provides attendees with a cross-disciplinary culture of computational design and a comprehensive knowledge of cutting-edge technologies in the fields of parametric architecture,…See More
Feb 5
Romain Mesnil replied to Thea Henriksen's discussion Finite elements types for beams and trusses in the group Karamba
"hi Thea, you can have a look at this thread where they give the exact reference for the element used: http://www.grasshopper3d.com/group/karamba/forum/topics/beam-element-interpolation-in-karamba-1 Best regards, Romain"
Dec 7, 2016
Romain Mesnil replied to Yutaka takenochi's discussion how to create Equilateral Trangle Panels
"Hi Yutaka, some precisions: it is not possible to mesh a doubly-curved surface with equilateral triangular panels only. What you can achieve it the meshing of singly-curved surfaces (like cylinders) when 6 triangles meet at a vertex. You can create…"
Oct 27, 2016
Romain Mesnil replied to Romain Mesnil's discussion Beam element interpolation in Karamba in the group karamba
"Hi Clemens, that's exactly the information I needed, thank you. Cheers, Romain"
Oct 19, 2016
karamba replied to Romain Mesnil's discussion Beam element interpolation in Karamba in the group karamba
"Hi Romain, Karamba takes account of shear deformations of beams. It uses a matrix transformation method to determine the nodal forces from beam loads and cross section forces at arbitrary positions along the axis. For details see e.g. 'Rubin…"
Oct 9, 2016
Romain Mesnil added a discussion to the group karamba
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Beam element interpolation in Karamba

Hi all,I was wondering which kind of interpolation is used for beam elements in Karamba, and if they take shear deformations into account (Timoshenko beam).Cheers,RomainSee More
Oct 6, 2016
Romain Mesnil replied to Niels De Temmerman's discussion Principal curvature lines on surfaces: need some advice please
"Hi Eike, very nice work, loved your model at AAG! There is a reference on conjugate field by Liu et al. that works on meshes. There is a rich literature on how to reconstruct discrete equivalents of lines of curvature on meshes, but the CF…"
Oct 5, 2016
Romain Mesnil replied to Hendrik's discussion Frei Otto's Compass Method - structual engineer
"Hi Hendrik, you can have a look at this C# component scripted by Lionel du Peloux shared on our GitHub. https://github.com/THINkSHELL/Compass The script in C# looks like…"
Sep 21, 2016
Romain Mesnil replied to Hendrik's discussion Frei Otto's Compass Method - structual engineer
"Hi Hendrik, sure we are always happy to receive applications! See our contact here and the page of the lab here.  Regarding the programming language, Python is considered easier to learn (it requires very little knowledge on scripting) but…"
Aug 30, 2016
Romain Mesnil replied to Hendrik's discussion Frei Otto's Compass Method - structual engineer
"Hi Hendrik, it's a wonderful technique: it's extremely simple and yet it solves a difficult problem. Regarding the implementation, I would recommend scripting a component because you need to handle exceptions (and I am also not sure that…"
Aug 29, 2016
Romain Mesnil commented on BERTRAND's photo
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link

"Hi Mohanned, this type of structure is called a reciprocal structure or a 'nexorade'. All elements are cut so that they support a neighbour and are supported by a neighbour, it's the overall assembly that guarantees structural…"
Jun 29, 2016
Tina Moikjær Harksen replied to Romain Mesnil's discussion Elastic energy in shells in the group karamba
"Okay, I think I have found the problem, and it might be a bug.In the example I posted before, the shell was loaded with gravity load.In the attached, I applied the load as a mesh load instead, an the results seem more reasonable."
Jun 19, 2016
Tina Moikjær Harksen replied to Romain Mesnil's discussion Elastic energy in shells in the group karamba
"Hi Clemens and Romain I have earlier been testing the deformation energy in cases of pure bending and pure axial forces, and it worked fine.However, I don't seem to get as great results as Romain, when I use it in a proper…"
Jun 19, 2016
Romain Mesnil replied to Miguel Villegas's discussion Second order interaction or advanced trigonometry.
"Hi Miguel, the problem is quite tricky, and it might be difficult(( or impossible) to control everything with one slider. You often need to introduce an optimisation routine to deal with these nonlinearities you noticed with your script. Dynamic…"
May 6, 2016
Romain Mesnil replied to Husein's discussion Parametric house
"Another reference on shape grammar (perhaps the most famous one): variations on Frank Lloyd Wright's prairie house. http://www.cc.gatech.edu/~ellendo/flw-sg.pdf"
May 4, 2016
Romain Mesnil replied to Romain Mesnil's discussion Rigid links in Karamba in the group karamba
"Hi, yes that's the kind of thing I need to specify. The thing is, I prefer rigid link when it's available, otherwise you have to tweak the spring stiffness and it might make the stiffness matrix ill-conditioned if the spring stiffness is…"
Apr 21, 2016

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Company, School, or Organization
Ecole des Ponts et Chaussées
Web or Blog
http://www.thinkshell.fr

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