Analysis of Structures and Thermomechanics for Studies & Research www.code-aster.org
Code_Aster ’s Possibilities Code_Aster offers Phenomena Loadings Dynamics a full range of > Mechanical > Mechanical > Modal analysis multiphysical analysis • Static, quasi-static, linear or • Nodal or distributed forces • With or without damping otherwise (viscous, hysteretic, modal) • Pressure and modelling • Dynamic, linear or otherwise, • Direct or by substructuring • Inertia loading methods that go well on a physical or modal basis • Normalization, filtering, • Centrifugal acceleration beyond the standard • Fracture, damage and fatigue modal parameters • Imposed movements functions of a • Soil-Structure, Fluid-Structure and > Linear transient response • Anelastic strain Soil-Fluid-Structure interactions thermomechanical • Direct • Effect of wind > Thermal • On modal basis calculation code: from > Thermal • Stationary, transient, linear • By substructuring • Temperature seismic analysis to or otherwise > Transient response with local • Flows, linear or otherwise porous media via • Fixed or moving reference nonlinearities (on modal basis) • Forced convection coordinate system acoustics, fatigue, • Shocks • Exchange between walls > Associated phenomena stochastic dynamics, • Friction • Heating by Joule effect • Acoustics • Fluid blade etc. Its modelling, > Specific loads (following • Metallurgy > Harmonic response algorithms and solvers forces, electromagnetic forces, • Hydration and drying • Direct initial states) are constantly under Analysis Types • On modal basis Nonlinearities construction to • By substructuring > Standard in static and improve and complete > Random response > Decomposition into Fourier dynamic them (1,200,000 • Parametric and nonparametric modes > Geometrics probabilistic lines of code, > Substructuring • Geometric updating, large • Stochastics 200 operators). > Model superposing, multiscale displacements, large rotations > Direct nonlinear analysis Resolutely open, > Adaptive mesh • Following forces • Implicit it is linked, coupled > Sensitivity calculation • Continuation methods: in • Explicit > Fitting and optimization displacement, by arc length, and encapsulated in • Shocks in strain, by criterion output > Mechanical reliability numerous ways. • Plasticity, damage • Load discharge and non-radiality calculation • Contact and friction indicators Multiphysical > Substructuring • Contact and friction: by a discrete • Conventional or cyclic > Internal links with thermics contact method (active stresses, penalization, conjugated • Modal, transient or harmonic • Hydration, drying projected gradient or by an analysis • Metallurgy augmented Lagrangian method.) > Seismic analysis > Internal links with mechanics • First order buckling • With shocks or multi-support • Thermal > Materials (95 constitutive laws) • Spectral or transient direct linear • Metallurgy • Linear and nonlinear elasticity or on modal basis • Hydration and drying • Nonlinear hyperelasticity • Modal damping calculation > Internal couplings (RCC-G) • Local elastoplasticity and • Thermo-hydro mechanical elastoplasticity with gradient > Extrapolation of experimental • Fluid-Structure formulation measurements > External coupling with other • Nonlinear viscoelasticity • Temporal or frequential codes • Local and with gradient Interactions • Soil-(Fluid)-Structure (MISS3D) formulation damage > Fluid-Structure > External links with other codes • Elastoviscoplasticity • Structure-incompressible flow • Hydraulics: Code_Saturne • Metallurgical effects interaction; turbulent stresses • Thermal: SYRTHES • Material data dependent on • Vibro-acoustics (free surface) temperature, metallurgical • Electromagnetism: Flux2D/3D condition, hydration, drying > Soil-Structure and • Fast dynamics: EUROPLEXUS and fluence Soil-Fluid-Structure • Progressive strain • Absorbent boundary elements • Hydration, shrinkage and creep • Frequential coupling with MISS3D of concrete • Geomaterials 2
Thermal analysis > Fatigue analysis Modelling Dedicated tools • Loading history > Linear and nonlinear > Catalogue of material data > Pipework stacks and • Counting methods thermics elbows ASPIC/ASCOUF > Connecting incompatible • Specific criteria applications • Phase change meshes. > Steam Generator Tubes: > Verification of RCC-M • Hydration and drying GEVIBUS > Superimposing models using criteria • Mobile coordinate system the Arlequin method. Software > Zarka-Casier method in resolution > Modelling connection environment cyclic loading > Metallurgical changes (3D-shell, beam-pipe, etc.) > Integration in Salomé > Progressive wear • Steels, Zircaloy > Plane stress condition > Pre- / post processing: > Limit analysis • Phase hardness calculation adaptable to all models I-DEASTM, GIBI, Gmsh, > Thermal treatments and > Micro-macro approach: > Beam characteristics ENSIGHT, Xmgrace welding polycrystalline model calculation > Data exchange in MED Geotechnical Civil Survey quality > Homogenization format (composites, repetitiveness, Engineering > Spatial error indicators > Survey management tool etc.) • Mécanique (en résidu pur, > Constitutive laws for con- and engineering application Elements library par lissage) crete (reinforced or workshop: ASTK • Thermique (en résidu pur) (400 finite pre-stressed), geomaterials > Command File Editor and > Mesh refinement/ elements) > Hydration, drying and basic Syntax Analyser: EFICAS unrefinement via HOMARD creep at different time scales > Portable nature of bases > Mechanical > More robust finite elements > Passive reinforcement or > Developed command • 2D, 2D axi (with or without • Mechanics (underintegrated, pre-stressing effect with language: PYTHON Fourier decomposition), 3D, incompressible) elastoplastic behaviour: under-integrated, • Loop, test, checking bar, grids and membrane • Thermics (lumped modelling) incompressible structures, etc. > Mesh diagnosis > Creep-cracking coupling • Bars, beams (simple or multi- • Method, class, etc. > Thermomechanical time fibre), pipes, plates, shells, > Thermohydromechanics • Interactive calculation membranes, cables, discrete step redistribution (porous media, formulation and visualization or non-distortable elements (mathematic libraries, GUI, in effective stresses, consti- > Sensitivity calculations > Thermics: 2D, 2D axi scale drawings, etc.) tutive laws in kit form, etc.) • Mechanical (with or without Fourier Not forgetting… > Specific loads (hydric and • Thermal decomposition), 3D, shells gaseous flows) • Depending on materials, > Software under QA > Hydration-Drying: loadings and domain variations > Excavation procedure (independent validations, 2D, 2D axi, 3D > Parameter fitting > Fracture, damage, fatigue reference of 2,000 test cases, > THM Coupling: 2D, and collapse of structures • Materials or loading 13,000 pages of 2D axi, 3D • Depending on test sampling documentation, source > Global release rate Solvers or digital results. management, qualification • thermoelasticity: G of version, etc.). > Reliability calculations: • thermoelastoplasticity: > Linear (LDLT, multifrontal, probability of exceeding GP and GTP > code-aster.org website PCG,MUMPS, FETI) threshold using a FORM (downloads, online > Local release rate in 3D > Nonlinear (Newton, etc.) type method documentation, forum, > Stress intensity factors > Integration schemes FAQ, examples, etc.) > Models of brittle and ductile (Runge-Kutta, Newmark, > Communication and fracture, initiation and adaptatives, etc.) network (quarterly ASTER instability > Modals (Power, Lanczos, ‘echos’ magazine; User Club, > Specific load drive IRAM, etc.) its network of > Local and non-local damage > Extended parameter setting. correspondents and the Several strategies for > Crack modelling: joint annual day; Free Code_Aster re-numbering, storage, element and X-FEM under GPL licence, etc.) pre-conditioning, > Decoupled damage post-verification, etc. 3
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