new 2008 manchester · 2015. 11. 11. · title: 2008_manchester author: courtois created date:...
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![Page 1: New 2008 Manchester · 2015. 11. 11. · Title: 2008_Manchester Author: courtois Created Date: 2/18/2008 5:04:16 PM](https://reader035.vdocument.in/reader035/viewer/2022071218/6050aae6ae32d42fa7003b3a/html5/thumbnails/1.jpg)
novembre 20071
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1. Short overview
2. How we make it
3. Focuses on capabilities
4. Goals and stakes
5. How to get it
Code_Aster / Salomé_Méca
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novembre 20073
1 Short overview
An all-purpose FEM simulation software for structural ana lysis :
Plugged in a user-friendly environment : Salome_Meca
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novembre 20074
1 Short overview of Code_Aster
A large scope of capabilities
• Thermal and mechanical
• Statics and dynamics, linear or not
• Modal analysis, harmonic and random response
• ≈ 400 finite elements : 3D, 2D, shells, beams, pipes …
• Wide range of loadings
• Interaction with other physics (coupled or not) : fluid, soil structure computation, electro-magnetism …
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novembre 20075
1 Short overview of Code_Aster
Non linearities and specific models
• Contact, friction
• Large displacements, large deformations
• Behaviour models (≈ 100 constitutive laws)
• Porous media, fracture mechanics, damage,
fatigue, welding, seismic analysis …
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novembre 20076
1 Short overview
A solver plugged in Salome environment
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novembre 20077
1 Short overview
A solver plugged in Salome environment
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novembre 20078
2 Why we make it
Specific requirements of nuclear industry
• Regulatory design, safetySpecific problems : ageing of structures, re-evaluation of margins
• Stakes differ from manufacturing industry and software vendors.Research and developments
• Capitalization of know-how and models, quick transfer to engineering • Mastering of source code, models …
Choice of in-house development
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novembre 20079
2 How we make it (some figures)
60 releases each year
200 in-house users
1.256 documents freely available (13.800 pages)
15 PHD for the 8 last years
250 new features in the code in 2007
2.000 tests runned for each release
200.000 CPU hours
4 training sessions, 40 listeners each
ASTER as a free software : 30.000 downloads, 10. 000 hits a week
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novembre 200710
2 How we make it
0
200
400
600
800
1000
1200
1400
1600
1800
2000
07/89 07/90 07/91 07/92 07/93 07/94 07/95 07/96 07/97 07/98 07/99 07/00 07/01 07/02 07/03 07/04 07/05 07/06
source lines x 1.000
nb tests
nb doc pages x 10
nb in-house users
CPU hours x100
Version 4 avr. 98
Version 6nov. 2002
Version 2 oct. 93
Version 5oct. 2000
Version 3juin 96
miseen libre
Version 7déc. 2004
Version 8déc. 2006
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novembre 200711
2 How we make it
A network of programmers (like a free software)
• A core team in charge of : kernel development, integration, distribution … [~20 engineers.year]
• Applicative projects : bring new models / developements [~40 engineers.year]
• Continuous process : no V cycle, no predefined specifications• A life cycle of 2 years : the developped version is transfered to
engineering after a qualification process
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novembre 200712deplacement du point central (face superieure)
forc
e (P
*S
) en
kN
EDFElectricité
de France
Dé partement Mé canique et Modè les Numé riques
COURBE FORCE / DEPLACEMENT
agraf 13/03/2001 (c) EDF/DER 1992-1999
0
50
100
150
200
250
300
0 5 10 15 20 25 30x10- 4
3 Focuses on capabilities (1/5)
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80 0.85 0.90 0.95 1.00
AMPLITUDE DEFORMEE
1.00E+02
Endommagement
Structure finite elements
Contact-friction
Large deformations/rotations
Driving forces and displacements …
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novembre 200713
3 Focuses on capabilities (2/5)
Damage
Fracture
Fatigue…
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novembre 200714
VAL ISO
>-5.63E+02
< 9.61E+02
-5.51E+02
-4.79E+02
-4.08E+02
-3.36E+02
-2.65E+02
-1.94E+02
-1.22E+02
-51.
21.
92.
1.63E+02
2.35E+02
3.06E+02
3.78E+02
4.49E+02
5.20E+02
5.92E+02
6.63E+02
7.35E+02
8.06E+02
8.77E+02
9.49E+02
AMPLITUDE
DEFORMEE
5.00E+03
3 Focuses on capabilities (3/5)
Dynamics
Acoustics
Fluid forces
SFSI, SSI…
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novembre 200715
3 Focuses on capabilities (4/5)
Porous media and geomaterials
Civil engineering
Concrete…
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novembre 200716
3 Focuses on capabilities (5/5)
Multi-scale
Multi-physics
Coupling and
chaining …
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novembre 200717
3 Focuses on capabilities : samples
• 3D simulation of excavation, damage, re-saturation and Darcy flow in a waste storage repository ,
• Deformations of a complete core during several irradiation cycles,
• Extension and stop of a crack in a pressure vessel after a thermohydraulic transient,
• Computation of the leak flow in the containment ,• 3D crack propagation in a rotor ,• Simulation of a complete shaftline …
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novembre 200718
4 Goals and stakes
High performance computing
• Increasing size of models
• Super-computer trends
Partnership policy
• Free software consortium
• Research partnerships
Interoperability
• Easy coupling with other physics in Salomé environment
Management
• Simulation process : user-friendly, quality and reliability
• While Code_aster remains the place in which we capitalizeresearches
http://www.code-aster.org
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novembre 200719
5 How to get Code_Aster stand alone ?
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novembre 200720
5 How to get Code_Aster stand alone ?
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novembre 200721
5 How to get Salome_Meca ?
We are not in charge of the « free » distribution
… but we can give it to partners or to whoever wants to distribute it.
For instance : www.caelinux.com
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novembre 200722
Thanks