ACOSTA { ICONA Activities and Status · ACOSTA { ICONA Activities and Status 1st Workshop on...
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ACOSTA – ICONA Activities and Status 1 st Workshop on Nonlinear Analysis of Shell Structures INTALES GmbH Engineering Solutions University of Innsbruck, Faculty of Civil Engineering University of Innsbruck, Faculty of Mathematics, Informatics and Physics Natters/Tyrol, 15/06/2010 Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 1/8
Transcript of ACOSTA { ICONA Activities and Status · ACOSTA { ICONA Activities and Status 1st Workshop on...
ACOSTA – ICONAActivities and Status
1st Workshopon Nonlinear Analysis of Shell Structures
INTALES GmbH Engineering Solutions
University of Innsbruck, Faculty of Civil Engineering
University of Innsbruck, Faculty of Mathematics, Informatics and Physics
Natters/Tyrol, 15/06/2010
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 1 / 8
Forerunner Project ICONA: 2006 – 2008
ICONA – Innovative COncept for NonlinearAnalysis of Lightweight Structures
Tasks and Work Packages
Data bank for flight scenarios
Development of new shell element
Domain decomposition: new methods
Sensitivity analysis: new concepts
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 2 / 8
Forerunner Project ICONA: 2006 – 2008
ICONA – Innovative COncept for NonlinearAnalysis of Lightweight Structures
Tasks and Work Packages
Data bank for flight scenarios
Development of new shell element
Domain decomposition: new methods
Sensitivity analysis: new concepts
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 2 / 8
Project ACOSTA: 2008 – 2010
ACOSTA – Advanced COncepts for STructureAnalysis of Large Lightweight Structures
Tasks and Work Packages
Domain decomposition
Branching analysis
Reliability and sensitivity
Shell elements
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 3 / 8
Project ACOSTA: 2008 – 2010
ACOSTA – Advanced COncepts for STructureAnalysis of Large Lightweight Structures
Tasks and Work Packages
Domain decomposition
Branching analysis
Reliability and sensitivity
Shell elements
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 3 / 8
Domain Decomposition, Bifurcation
Task
Domain decomposition for problems in linear elasticity andnonlinear inelasticity
Branching analysis of buckling behavior
Domain decomposition as a pre-conditioner in iterative solvers
Error analysis for domain decomposition and branching
Main Workpackage Activities
Domain decomposition for linear and nonlinear problems
Development of numerical methods for branching analysis
Case studies in branching analysis
Specifications for finite element implementations
Parallelization
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 4 / 8
Domain Decomposition, Bifurcation
Task
Domain decomposition for problems in linear elasticity andnonlinear inelasticity
Branching analysis of buckling behavior
Domain decomposition as a pre-conditioner in iterative solvers
Error analysis for domain decomposition and branching
Main Workpackage Activities
Domain decomposition for linear and nonlinear problems
Development of numerical methods for branching analysis
Case studies in branching analysis
Specifications for finite element implementations
Parallelization
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 4 / 8
Domain Decomposition, Bifurcation
Task
Domain decomposition for problems in linear elasticity andnonlinear inelasticity
Branching analysis of buckling behavior
Domain decomposition as a pre-conditioner in iterative solvers
Error analysis for domain decomposition and branching
Main Workpackage Activities
Domain decomposition for linear and nonlinear problems
Development of numerical methods for branching analysis
Case studies in branching analysis
Specifications for finite element implementations
Parallelization
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 4 / 8
Reliability and Sensitivity
Tasks
Development of new tools for reliability analysis
Further understanding of local failure modes
Sensitivity analysis of limit state
Foundations for decisions on robust design
Main Workpackage Activities
Flight scenarios for ARIANE-frontskirt by nonlinearFE-analysis
Development of numerical methods for Monte Carlosimulation in conjunction with nonlinear FE-analysis
Implementation of Monte Carlo simulation methods incombination with iterative methods
Investigation and assessment of sensitivity with respect toinput variables
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 5 / 8
Reliability and Sensitivity
Tasks
Development of new tools for reliability analysis
Further understanding of local failure modes
Sensitivity analysis of limit state
Foundations for decisions on robust design
Main Workpackage Activities
Flight scenarios for ARIANE-frontskirt by nonlinearFE-analysis
Development of numerical methods for Monte Carlosimulation in conjunction with nonlinear FE-analysis
Implementation of Monte Carlo simulation methods incombination with iterative methods
Investigation and assessment of sensitivity with respect toinput variables
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 5 / 8
Reliability and Sensitivity
Tasks
Development of new tools for reliability analysis
Further understanding of local failure modes
Sensitivity analysis of limit state
Foundations for decisions on robust design
Main Workpackage Activities
Flight scenarios for ARIANE-frontskirt by nonlinearFE-analysis
Development of numerical methods for Monte Carlosimulation in conjunction with nonlinear FE-analysis
Implementation of Monte Carlo simulation methods incombination with iterative methods
Investigation and assessment of sensitivity with respect toinput variables
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 5 / 8
Shell Elements
Task
Optimized one-point integrated quadrilateral 3d-shell element
Implementation of Mises plasticity and thermo-mechanicalcoupling
Treatment of shell structures with kinks and intersections
Interfaces for bifurcation analysis
Main Workpackage Activities
Modification of the ICONA element (WRI, 2nd-order strains)
Interface to general anisotropic large-strain constitutive laws
Thermal expansion and pressure loads
Coupling of rotational and translational DOFs at joint nodes
Analytic derivative of tangent matrix (bifurcation analysis)
Development of solid shell, ‘solid beam’ and AAR elements
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 6 / 8
Shell Elements
Task
Optimized one-point integrated quadrilateral 3d-shell element
Implementation of Mises plasticity and thermo-mechanicalcoupling
Treatment of shell structures with kinks and intersections
Interfaces for bifurcation analysis
Main Workpackage Activities
Modification of the ICONA element (WRI, 2nd-order strains)
Interface to general anisotropic large-strain constitutive laws
Thermal expansion and pressure loads
Coupling of rotational and translational DOFs at joint nodes
Analytic derivative of tangent matrix (bifurcation analysis)
Development of solid shell, ‘solid beam’ and AAR elements
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 6 / 8
Shell Elements
Task
Optimized one-point integrated quadrilateral 3d-shell element
Implementation of Mises plasticity and thermo-mechanicalcoupling
Treatment of shell structures with kinks and intersections
Interfaces for bifurcation analysis
Main Workpackage Activities
Modification of the ICONA element (WRI, 2nd-order strains)
Interface to general anisotropic large-strain constitutive laws
Thermal expansion and pressure loads
Coupling of rotational and translational DOFs at joint nodes
Analytic derivative of tangent matrix (bifurcation analysis)
Development of solid shell, ‘solid beam’ and AAR elements
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 6 / 8
Team
INTALES GmbH Engineering Solutions
Dipl.-Ing. Dr. Herbert HallerDipl.-Ing. Hermann Starmans
Dipl.-Ing. Benoit CaillaudMag. Clemens DomanigDipl.-Ing. Stefan Muller
Institute of Basic Sciences in Civil Engineering
Univ.-Prof. Dr. Michael OberguggenbergerDipl.-Ing. Franz FalknerDipl.-Ing. Julian KingDipl.-Ing. Bernhard Schmelzer
Stefan SchettDipl.-Ing. Roland TraxlMag. Robert Winkler
Institute of Mathematics
Univ.-Prof. Dr. Alexander OstermannChristoph AichingerAndreas GrasslKatharina RiedingerDipl.-Ing. Mag. Dr. Andreas Hortnagl
Dipl.-Ing. Ulrich Filippi-ObereggerDipl.-Ing. Christof NeuhauserHelene RothAndreas RudigierDipl.-Ing. Mag. Dr. Stefan Steidl
Institute of Computer Science
Univ.-Prof. Dr. Gunther SpechtDipl.-Ing. Robert Binna
Dipl.-Ing. Gunter HacklBakk. techn. Philip Kahle
TU Delft, Aerospace Engineering
Dr. Eelco Jansen
2006 – 2010
1 dissertation, 15 diploma theses, 1 bachelor thesis & publications
Oberguggenberger/Ostermann (UIBK) ACOSTA-Workshop Natters/Tyrol, 15/06/2010 8 / 8
