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Journal Publications from EXASTEEL

 

Published or accepted

  • Axel Klawonn, Martin Lanser, and Oliver Rheinbach, Nonlinear FETI-DP and BDDC methods, SIAM J. Scientific Computing, 36 (2), pp. A311-C239, 2014.  PDF Open full paper download. Download at publisher’s site: http://dx.doi.org/10.1137/130920563.

  • Jörg Schröder, Ashutosh Gandhi, and Daniel Balzani. Two-scale modeling of DP steel incorporating distributed properties inside the micro-constituents. Procedia Engineering, 81:13901395, 2014. http://dx.doi.org/10.1016/j.proeng.2014.10.162

  • Daniel Balzani, Ashutosh Gandhi, Masato Tanaka, and Jörg Schröder. Numerical calculation of thermo-mechanical problems at large strains based on a robust approximation scheme for tangent stiffness matrices. Computational Mechanics. Full Paper

  • Thomas Josef Baron, Kirill Khlopkov, Thomas Pretorius, Daniel Balzani, Dominik Brands and Jörg Schröder, Modeling of microstructure evolution with dynamic recrystallization in finite element simulations of martensitic steel, Steel Research International. Full Paper

  • Axel Klawonn, Martin Lanser, and Oliver Rheinbach, Toward Extremely Scalable Nonlinear Domain Decomposition Methods for Elliptic Partial Differential Equations, SIAM J. on Sci. Comp., Vol. 37, No. 6, December 8, 2015, pp. C667-C696. pdf

  • Axel Klawonn, Martin Lanser, Oliver Rheinbach, and Matthias Uran. Nonlinear FETI-DP and BDDC Methods: A Unified Framework and Parallel Results, Accepted for publication in SIAM J. Sci. Comp.,  August 2017.


Submitted

  • Dominik Brands, Daniel Balzani, Lisa Scheunemann, Jörg Schröder, Helmut Richter, and Dirk Raabe. Computational modeling of dual-phase steels based on representative three-dimensional microstructures obtained from EBSD data. Submitted to Archive of Applied Mechanics.

  • A. Klawonn, M. Lanser, O. Rheinbach, Nonlinear BDDC Methods with Inexact Solvers. Submitted August 2017.  



 

Conference Proceedings or Technical Reports from EXASTEEL


Published or accepted (peer-reviewed)

  • Axel Klawonn, Martin Lanser, Patrick Radtke, and Oliver Rheinbach, On an Adaptive Coarse Space and on Nonlinear Domain Decomposition, Domain Decomposition Methods in Science and Engineering XXI, Jocelyne Erhel, Martin J. Gander, Laurence Halpern, Geraldine Pichot, Taoufik Sassi, and Olof B. Widlund (Eds.), Springer-Verlag, Lecture Notes in Computational Science and Engineering, Vol. 98, pp. 71-83, 2014.  http://dx.doi.org/10.1007/978-3-319-05789-7_6  PDF Preprint at INRIA

  • Axel Klawonn, Martin Lanser, and Oliver Rheinbach, A Nonlinear FETI-DP Method with an Inexact Coarse Problem, Proceedings of the 22nd International Conference on Domain Decomposition Methods in Science and Engineering, Lugano, Switzerland, September 2013. Editors: Dickopf, T., Gander, M., Krause, R., Pavarino, L. Springer Lecture Notes on Computational Science and Engineering, 2015. 12p. Submitted January 2014, revised version July 2014. Accepted for publication October 2014.  PDF Preprint

  • Axel Klawonn, Martin Lanser, Oliver Rheinbach, Holger Stengel and Gerhard Wellein, Hybrid MPI/OpenMP parallelization in FETI-DP methods, Proceedings of "Recent Trends in Computational Engineering - CE2014", Springer Lecture Notes on Computational Science and Engineering, 2015, accepted for publication. Preprint.

  • Axel Klawonn, Martin Lanser, Oliver Rheinbach, FE^2TI: Computational Scale Bridging for Dual-Phase Steels. Proceedings of ParCo 2015, pp. 797 - 806, IOS Series: Advances in Parallel Computing, Volume 27, Parallel Computing: On the Road to Exascale, 2016. Preprint.

  • Axel Klawonn, Martin Lanser, Oliver Rheinbach, A Highly Scalable Implementation of Inexact Nonlinear FETI-DP without Sparse Direct Solvers. Proceedings of the ENUMATH Conference 2015, Springer Lect. Notes Comput. Sci. Eng., Vol. 112,  Preprint.

  • Allison H. Baker, Axel Klawonn, Tzanio Kolev, Martin Lanser, Oliver Rheinbach, Ulrike Meier Yang, Scalability of Classical Algebraic Multigrid for Elasticity to Half a Million Parallel Tasks, Software for Exascale Computing - SPPEXA 2013-2015, vol. 113 Springer LNCSE, pages 113--140, 2016. Preprint.

  • D. Balzani, A. Gandhi, A. Klawonn, M. Lanser, O. Rheinbach, J. Schröder, One-way and fully-coupled FE^2 methods for heterogeneous elasticity and plasticity problems: Parallel scalability and an application to thermo-elastoplasticity of dual-phase steels, Software for Exascale Computing - SPPEXA 2013-2015, vol. 113 Springer LNCSE, pages 91--112, 2016. Preprint.

  • A. Klawonn, M. Lanser, B. Niehoff, P. Radtke, O. Rheinbach, Newton-Krylov-FETI-DP with Adaptive Coarse Spaces, Accepted for publication to the proceedings of the International Conference on Domain Decomposition Methods 23, Springer LNCSE, February 2016.

  • A. Klawonn, M. Lanser, O. Rheinbach, M. Uran, New Nonlinear FETI-DP Methods Based on a Partial Nonlinear Elimination of Variables, Accepted for publication to the proceedings of the International Conference on Domain Decomposition Methods 23, Springer LNCSE, February 2016.

 

Submitted

  • Axel Klawonn, Martin Lanser, Oliver Rheinbach, Using Algebraic Multigrid in Inexact BDDC Domain Decomposition Methods, Submitted for for publication to the proceedings of the International Conference on Domain Decomposition Methods 24, Springer LNCSE, May 2017.

  • Axel Klawonn, Martin Lanser, Oliver Rheinbach, Matthias Uran, Choosing the Accuracy of the Inner Newton Iteration in Nonlinear Domain Decomposition, Submitted for for publication to the proceedings of the International Conference on Domain Decomposition Methods 24, Springer LNCSE, May 2017.

Other

  • Axel Klawonn, Martin Lanser, and Oliver Rheinbach, EXASTEEL - Computational Scale Bridging using a FE^2TI approach with (ex_nl/FE^2), JUQUEEN Extreme Scaling Workshop 2015. Report

  • Ashutosh Gandhi, Daniel Balzani, and Jörg Schröder. Modeling advanced high-strength steels based on direct micro-macro calculations. Proceedings of Applied Mathematics and Mechanics, 14:587588, 2014. http://dx.doi.org/10.1002/pamm.201410281

  • A. Klawonn, M. Lanser, L. Scheunemann, J. Schröder, Hochleistungsrechnen trifft Hochleistungsstahl: Herausforderungen zweier Welten, UNIKATE, Universität Duisburg-Essen, to appear 2017.

  • A. Klawonn, M. Lanser, O.Rheinbach, EXASTEEL - From Micro to Macro Properties, InSiDE, Autumn 2016, pages 80 - 85.




Talks given on EXASTEEL

2016

  • Ashutosh Gandhi, A Computational Two-Scale Model for the Simulation of Micro-Heterogeneous Low-Alloyed TRIP Steels, GAMM Annual Meeting, 2016

  • Ashutosh Gandhi, A Computational Multi-Scale Model for Low-Alloyed TRIP-Steels, WCCM XII and APCOM VI, Seoul, South Korea, 2016

  • Ashutosh Gandhi, Influence of Microstructure Morphology on Multi-Scale Modeling of Low-Alloyed TRIP Steels, EUROMECH 584 - Multi-Uncertainty and Multi-Scale Methods and Related Applications, Porto, Portugal, 2016

  • Axel Klawonn, Nonlinear Preconditioning - Towards Computing on the Extreme Scale, Joint DMV-GAMM Annual Conference, Brunswick, Germany, March 7 - 11, 2016

  • Axel Klawonn, A Framework for Nonlinear FETI-DP and BDDC Domain Decomposition Methods, SIAM Conference on Parallel Processing (SIAM PP16), Paris, France, April 12 - 15, 2016

  • Axel Klawonn,  A Framework for Nonlinear FETI-DP Methods - Towards Computing on the Extreme Scale, 5th European Seminar on Computing (ESCO 2016), Pilzen, Czech  Republic, June 5-10, 2016 

  • Axel Klawonn, Auf dem Weg zum Extreme Scale Computing in den Materialwissenschaften, Kolloquium anl\"asslich der Inbetriebnahme des Hochleistungsrechners magnitUDE, Universit\"at Duisburg-Essen, Duisburg, Germany, June 28, 2016

  • Axel Klawonn, Towards Computing on the Extreme Scale in Nonlinear Structural Mechanics, Fraunhofer-Institut f\"ur Techno- und Wirtschaftsmathematik, Kaiserslautern, Germany, June 17, 2016

  • Axel Klawonn, FE2TI - An Approach for Tuning FE$^2$ Toward Extreme Scale Computing, GAMM-FA - Data Driven Modeling and Numerical Simulation of Microstructured Materials, Universit\"at Stuttgart, Germany, September 26-27, 2016

  • Martin Lanser, Scalable Nonlinear Domain Decomposition Methods, SPPEXA Conference in Munich, 2016

  • Martin Lanser, Scalability of Classical Algebraic Multigrid for Elasticity to Half a Million Parallel Tasks, GAMM Annual Meeting, 2016

  • Martin Lanser, FE2TI: Computational Scale Bridging for Dual-Phase Steels, Workshop DLR and University of Cologne, 2016

  • Martin Lanser, FE2TI - Computational Scale Bridging for Dual-Phase Steels, SIAM PP in Paris, 2016

  • Martin Lanser, FE2TI - Computational Scale Bridging for Dual-Phase Steels, Workshop University of Cologne and TU Bergakademie Freiberg, 2016

  • Stefan Prüger, Modeling of Low-Alloyed TRIP-Steels Based on Direct Micro-Macro Simulations, ECCOMAS, Crete, Greece, 2016

  • Oliver Rheinbach, Parallel Implicit Solvers for Partial Differential Equations, Seminar of the Work Group on Complex and Distributed IT Systems, TU Berlin, January 2016

  • Oliver Rheinbach, Scaling Nonlinear FETI-DP Domain Decomposition Methods to 786452 Cores, SIAM PP in Paris, 2016 

  • Jörg Schröder, Advanced High-Strength Steel Simulations based on Direct Micro-Macro Calculations, SPPEXA Conference in Munich, 2016

  • Gerhard Wellein: Performance Engineering - Welcome to the world of FLOPs, Bytes and Cycles! Invited talk at 45th SPEEDUP Workshop on High-Performance Computing, Basel, Switzerland, September 15, 2016. 

  • Gerhard Wellein: Performance Engineering - Welcome to the world of FLOPs, Bytes and Cycles! Invited talk at University of Exeter, Exeter, UK, October 25, 2016. 

  • Olaf Schenk, Applications of Large-Scale Nonlinear Optimization at the Petascale: Achievements and Perspectives, Zurich Initiative on Computational Economics, Zurich, Switzerland, February 2016. 

  • Olaf Schenk, Applications of Large-Scale Nonlinear Optimization at the Petascale: Achievements and Perspectives, Zurich Initiative on Computational Economics, Zurich, Switzerland, February 2016.

2015

  • Martin Lanser (Universität zu Köln), FE2TI: Computational Scale Bridging for Dual-Phase Steels, ParCo 2015, Edinburgh, 1.-4. September 2015.

  • Oliver Rheinbach (TU Bergakademie Freiberg), Domain Decomposition Methods in Computational Scale Bridging for Extreme Scale Computations, 23rd International Conference on Domain Decomposition Methods, July 6-10, 2015, South Korea.

  • Oliver Rheinbach (TU Bergakademie Freiberg), Axel Klawonn (Universität zu Köln), Computational Scale Bridging using PETSc on 458K Cores, Celebrating 20 years of Computational Science with PETSc, Chicago, June 15-18, 2015.

  • Axel Klawonn (Universität zu Köln), Parallel scalable FETI methods for nonlinear problems, SIAM Conference on Computational Sciene and Engineering (CSE), Minisymposium Large Scale Solution Methods for Coupled and Nonlinear Problems, Salt Lake City, USA, March 14-18, 2015.

  • Oliver Rheinbach, EXASTEEL - Bridging Scales for Multiphase Steels, JUQUEEN Scaling Workshop, Jülich, February 5-6, 2015.

  • Dominik Brands (Universität Duisburg-Essen), Simulation of DP steel using SSRVEs based on 3D EBSD-FIB and experimental data, Gamm Seminar on Microstructures, Regensburg, January 16-17, 2015.



2014

  • Martin Lanser, (Universität zu Köln), A massively parallel domain decomposition / AMG method for elasticity problems, Numerical Methods for High-Performance Computing, Heidelberg, December 1-3, 2014.

  • Jörg Schröder (Universität Duisburg-Essen), Two-scale modeling of DP steel incorporating distributed properties inside the micro-constituents, 11th International Conference on Technology of Plasticity, October 19-24, Nagoya, Japan, 2014.

  • Martin Lanser, (Universität zu Köln), New Approaches to Nonlinear Domain Decomposition, 3rd International Workshop on Computational Engineering CE 2014, Stuttgart, October 6-10, 2014.

  • Axel Klawonn (Universität zu Köln), Domain Decomposition Methods - Part II: Parallel Scalability and Nonlinear Approaches, Invited Plenary Talk Woudschoten Conferentie 2014, Woudschoten/Zeist, The Netherlands, October 8-10, 2014.

  • Martin Lanser, (Universität zu Köln), A massively parallel domain decomposition / AMG method for elasticity problems, Computational Science Day 2014, Cologne, September 29, 2014.

  • Axel Klawonn (Universität zu Köln), Parallel domain decomposition methods for nonlinear problems, Invited Plenary, Workshop Modelling and Simulation in Biomechanics, Mariatrost/Graz, Austria, September 15-17, 2014.

  • Oliver Rheinbach, Scalable Nonlinear FETI-DP Methods, 8th International Workshop on Parallel Matrix Algorithms and Applications, Lugano July 2-4, 2014.

  • Axel Klawonn (Universität zu Köln), Domain decomposition methods - Towards extreme scalability using new nonlinear approaches and enhanced robustness using adaptive coarse spaces, Conference: ACOMEN 2014 - 6th International Conference on Advanced Computational Methods in Engineering, Invited Plenary Talk, Ghent, Belgium, June 23-28, 2014.

  • Holger Stengel (Universität Erlangen), Performance Engineering of Stencil Updates on Modern Processors, SPPEXA PhD Seminar, Erlangen (Germany), June 18, 2014.

  • Daniel Balzani (Technische Universität Dresden), Approach for the incorporation of microscopically distributed properties in DP steels, IUTAM Symposium on Micromechanics of Defects in Solids, June 09-13, Seville, Spain, 2014.

  • Axel Klawonn (Universität zu Köln), Domain Decomposition Methods - Towards Extreme Scalability Using Nonlinear Approaches, Invited Talk, Workshop Exploiting Different Levels of Parallelism for Exascale Computing, Conference: ACMS-ICS, Munich, Germany, June 10, 2014.

  • Ashutosh Gandhi (Technische Universität Dresden), Modeling advanced high strength steels based on direct micro-macro calculations, Annual Conference of the GAMM, March 10-14, Erlangen, 2014.

  • Martin Lanser, (Universität zu Köln), New Approaches to Nonlinear Domain Decomposition, GAMM Annual Meeting 2014, Erlangen, March 10-14, 2014.



2013

  • Martin Lanser (Universität zu Köln), New Approaches to Nonlinear Domain Decomposition, SPPEXA Workshop New Algorithms for Exascale Computing, University of Cologne, December 3-6, 2013.

  • Axel Klawonn (Universität zu Köln), Nonlinear and Robust FETI-DP Domain Decomposition Methods, Conference: Implicitly Constituted Materials: Modeling, Analysis, and Computing, Chateau Liblice, Invited Plenary Talk, Czech Republic, November 24-27, 2013.

  • Axel Klawonn (Universität zu Köln), Scalable Domain Decomposition Methods in Parallel High Performance Computing and Applications in Medicine and Engineering, Workshop Computational Sciences in Cologne, University of Cologne, October 25, 2013.

  • Martin Lanser (Universität zu Köln), Nonlinear and Nonoverlapping Domain Decomposition - Nonlinear FETI-DP, Workshop: SPPEXA Doctoral retreat - Application and Algorithm: Combination of software tools and programming, Darmstadt, September 16-20, 2013.

  • Ashutosh Gandhi (Universität Duisburg-Essen), Bridging scales for multiphase steels, Workshop: SPPEXA Doctoral retreat - Application and Algorithm: Combination of software tools and programming, Darmstadt, September 16-20, 2013.

  • Oliver Rheinbach (TU Freiberg), Nonlinear FETI-DP Methods, Conference: 22nd International Conference on Domain Decomposition Methods in Science and Engineering, Invited Plenary Talk, University of Lugano, Switzerland, September 16-20, 2013.

  • Holger Stengel (Universität Erlangen), Performance Modeling of Stencil Codes, International Conference on Parallel Computing, Technische Universität München, September 10-13, 2013.

  • Axel Klawonn (Universität zu Köln), Nonlinear FETI-DP and BDDC Methods, Conference: Domain Decomposition Methods for Optimization with PDE Constraints, Invited Plenary Talk, Monte Verita, Ascona, Switzerland, September 1-6, 2013.

  • Oliver Rheinbach (TU Freiberg), Nonlinear FETI-DP - Local Flops are free, Conference: ISC, SPPEXA Satellite Event, Leipzig, June 19, 2013.

  • Axel Klawonn (Universität zu Köln), Nonlinear FETI-DP and BDDC Methods, Conference: MAFELAP 2013 - The Mathematics of Finite Elements and Applications, Brunel University, United Kingdom, June 11-14, 2013.

  • Holger Stengel (Universität Erlangen), Performance Modeling of Stencil Codes, Terra-Neo internal workshop, Pommersfelden (Germany), May 16-18, 2013.

  • Oliver Rheinbach (TU Freiberg), Nonlinear FETI-DP Methods, Conference: High Performance Computing in Science and Engineering, Soláň, Invited Plenary Talk, Soláň, Czech Repulic, May 27-30, 2013.