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About me

My path to simulation science in general and CATS in particular started with a diploma in Mechanical Engineering, majoring in "Manufacturing Techniques for Microsystems". In 2011, I completed my PhD thesis with the topic "Free-Surface Flows in Shape Optimization of Extrusion Dies". This was followed in the year 2016 by my habilitation on "CAD-Conforming Finite Element Methods in Engineering Design". In October 2019, I took over the professorship for leightweight design at TU Vienna.

From 2012-2015, I was a member of the GAMM-Juniors, acting as vice-spokesperson from 2013-2014. Currently, I am co-chairperson of the ECCOMAS Young Investigator Group.

  Copyright: © Stefanie Elgeti

Research

My current research interests lie in the simulation and numerical design of primary manufacturing processes. From the mathematical point of view, this constitues an inverse problem. Together with my work group, I have considered applications in the area of plastics profile extrusion, injection molding, as well as high-pressure die casting. Our task is the simulation of all process steps ranging from the filling via solidification to the computation of warpage and residual stresses. These simulations serve as a basis for shape optimization of the cavity and the cooling channels.

The methods we employ for these applications encompass:

• free-surface flow,
• mesh-deformation methods,
• non-Newtonian material models,
• spline-based finite element methods,
• PDE-constrained shape optimization techniques.

 

Journal Article

Title
Neural networks vs. splines: advances in numerical extruder design Published in: Engineering with computers (2023)
Shape Optimization for Temperature Regulation in Extrusion Dies Using Microstructures Published in: Journal of mechanical design (2022)
Investigation of reinforcement learning for shape optimization of 2D profile extrusion die geometries Published in: Advances in Computational Science and Engineering : ASCE (2023)
The surface-reconstruction virtual-region mesh update method for problems with topology changes Published in: International journal for numerical methods in engineering (2023)
A deforming‐mesh finite‐element approach applied to the large‐translation and free‐surface scenario of fused deposition modeling Published in: International journal for numerical methods in fluids (2022)
Numerical design of distributive mixing elements Published in: Finite elements in analysis and design (2022)
Towards shape optimization of flow channels in profile extrusion dies using reinforcement learning Published in: Proceedings in applied mathematics and mechanics : PAMM (2022)
A level-set based space-time finite element approach to the modelling of solidification and melting processes Published in: Journal of Computational Physics (2022)
Reduced Flow Model for Plastics Melt Inside an Extrusion Die Published in: Proceedings in applied mathematics and mechanics : PAMM (2021)
Inverse Design Based on Nonlinear Thermoelastic Material Models Published in: Proceedings in applied mathematics and mechanics : PAMM (2021)
Combining boundary‐conforming finite element meshes on moving domains using a sliding mesh approach Published in: International journal for numerical methods in fluids (2020)
SplineLib: A modern multi-purpose C++ spline library Published in: Advances in engineering software (2020)
Boundary-conforming finite element methods for twin-screw extruders using spline-based parameterization techniques Published in: Computer methods in applied mechanics and engineering (2019)
Optimizing Micro-Tiles in Micro-Structures as a Design Paradigm Published in: Computer aided design : CAD (2019)
Inverse design based on nonlinear thermoelastic material models applied to injection molding Published in: Finite elements in analysis and design (2019)
Boundary-Conforming Finite Element Methods for Twin-Screw Extruders : Unsteady - Temperature-Dependent - Non-Newtonian Simulations Published in: Computers & fluids (2018)
Numerical Design for Primary Shaping Manufacturing Processes Published in: Proceedings in applied mathematics and mechanics (2018)
The Virtual Ring Shear-Slip Mesh Update Method Published in: Computers & fluids (2018)
Fluid-structure interaction with NURBS-based coupling Published in: Computer methods in applied mechanics and engineering (2018)
Simplex space-time meshes in two-phase flow simulations Published in: International journal for numerical methods in fluids (2017)
Objective Functions for the Shape Optimization of Temperature Control Channels in High-Pressure Die Casting Published in: Proceedings in applied mathematics and mechanics (2017)
An ultraweak DPG method for viscoelastic fluids Published in: Journal of non-Newtonian fluid mechanics (2017)
Boundary-conforming free-surface flow computations: Interface tracking for linear, higher-order and isogeometric finite elements Published in: Computer methods in applied mechanics and engineering (2017)
Automatic implementation of material laws: Jacobian calculation in a finite element code with TAPENADE Published in: Computers and mathematics with applications : CAMWA (2016)
Geometrically accurate, efficient, and flexible quadrature techniques for the tetrahedral finite cell method Published in: Computer methods in applied mechanics and engineering (2016)
Space-time NURBS-enhanced finite elements for free-surface flows in 2D Published in: International journal for numerical methods in fluids (2016)
Deforming Fluid Domains Within the Finite Element Method : Five Mesh-Based Tracking Methods in Comparison Published in: Archives of computational methods in engineering (2015)
Individualized production in die-based manufacturing processes using numerical optimization Published in: International Journal of Advanced Design and Manufacturing Technology (2015)
Comparing Optimization Algorithms for Shape Optimization of Extrusion Dies Published in: Proceedings in applied mathematics and mechanics (2014)
Fully-implicit log-conformation formulation of constitutive laws Published in: Journal of non-Newtonian fluid mechanics (2014)
Design Criteria in Numerical Design of Profile Extrusion Dies Published in: Key engineering materials (2013)
Towards shape optimization of profile extrusion dies with respect to homogeneous die swell Published in: Journal of non-Newtonian fluid mechanics (2013)
Numerical shape optimization as an approach to extrusion die design Published in: Finite elements in analysis and design (2012)
On the Usage of NURBS as Interface Representation in Free-Surface Flows Published in: International journal for numerical methods in fluids (2011)
Design methodology for modular tools Published in: Production engineering (2011)
Automatische Optimierung in der Profilextrusion Published in: Automatisierungstechnische Praxis : atp (2011)
Shape Optimization for Fluids using T-Splines for Shape Representation Published in: Proceedings in Applied Mathematics and Mechanics (2010)
Profilwerkzeuge automatisch optimieren Published in: Kunststoffe / Kunststoffe international (2009)
Auf dem Weg zur Fließkanaloptimierung von Extrusionswerkzeugen mit Finiten Elementen Published in: Zeitschrift Kunststofftechnik = Journal of plastics technology (2009)
Die Design: Automatically Optimizing Profile Dies Published in: Kunststoffe / Kunststoffe international (2009)

 

Contribution to a Book

Title
Mold-Based Production Systems Published in: Integrative production technology : theory and applications / Christian Brecher, Denis Özdemir, editors (2017)
Individualised Production Published in: Integrative Production Technology for High-Wage Countries / edited by Christian Brecher (2012)
Modularisation for die-based production technologies Published in: Integrative Production Technology for High-Wage Countries / edited by Christian Brecher (2012)
Modularisierung für werkzeuggebundene Produktionstechnologien Published in: Integrative Produktionstechnik für Hochlohnländer / Hrsg.: Christian Brecher, Werkzeugmaschinenlabor (WZL) der RWTH Aachen, Lehrstuhl für Werkzeugmaschinen (2011)

 

Contribution to a conference proceedings

Title
Computational multiphysics modelling to predict the performance of melting probes in ice Published in: The 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022) (2022)
Towards shape optimization of flow channels in profile extrusion dies using reinforcement learning Published in: Proceedings in applied mathematics and mechanics : PAMM (2022)
Isogeometric Analysis of Polymeric Solidification during Manufacturing Published in: YIC 2021, VI ECCOMAS Young Investigators Conference : Book of abstracts. - July 7-9, 2021 (2021)
Numerical analysis of the calibration process in plastic profile extrusion Published in: YIC 2021, VI ECCOMAS Young Investigators Conference : Book of abstracts. - July 7-9, 2021 (2021)
Inverse Design Method for Injection Molding Cavity Shapes Published in: Enhanced Material, Parts Optimization and Process Intensification : proceedings of the First International Joint Conference on Enhanced Material and Part Optimization and Process Intensification, EMPOrIA 2020, May 19-20, 2020, Aachen, Germany / Uwe Reisgen, Dietmar Drummer, Holger Marschall, Editors (2021)
Invertible Neural Networks as Reduced Models for Inverse Problems in Production Engineering Applications Published in: VI ECCOMAS young investigators conference : Book of abstracts, July, 7-9 2021 (2021)
Modern Design of a C++17 Continuum Mechanics Simulation Code : Algorithmic Differentiation and Flexible Coupling Strategies Published in: 14th WCCM & ECCOMAS Congress 2020 : Virtual Congress 11-17 January, 2021 / Francisco Chinesta, Rémi Abgrall, Olivier Allix, David Néron, Michael Kaliske (Eds.) (2021)
Analysis of Material Behaviors in Plastic Extrusion Processes Published in: 14th WCCM & ECCOMAS Congress 2020 : virtual congress, 11-15 January, 2021 / IACM, ECCOMAS ; Francisco Chinesta, Rémi Abgrall, Olivier Allix, David Néron, Michael Kaliske (eds.) (2021)
Time-Continuous Simplex Space-Time Finite Element Method and Model Order Reduction for Deforming Domain Problems Published in: 91st Annual Meeting of the International Association of Applied Mathematics and Mechanics : March 15-19, 2021 in Kassel, Germany : Book of Abstracts / GAMM, Gesellschaft für Angewandte Mathematik und Mechanik e.V., International Association of Applied Mathematics and Mechanics (2021)
A Novel Approach to Fluid-Structure Interaction Simulations Involving Large Translation and Contact Published in: Isogeometric analysis and applications 2018 / Harald van Brummelen, Cornelis Vuik, Matthias Möller, Clemens Verhoosel, Bernd Simeon, Bert Jüttler editors (2020)
Inverse Design Based on Nonlinear Thermoelastic Material Models Published in: Proceedings in applied mathematics and mechanics : PAMM (2021)
Space-Time NURBS-Enhanced Finite Elements for Solving the Compressible Navier-Stokes Equations Published in: Numerical Methods for Flows : FEF 2017 Selected Contributions / Harald van Brummelen, Alessandro Corsini, Simona Perotto, Gianluigi Rozza, Editors (2020)
A Boundary-Conforming Eulerian Description for Structural Analysis Published in: Book of Abstracts : 5th ECCOMAS Young Investigators Conference : YIC 2019 : September 1-6, 2019, Kraków, Poland / Edited by: Konrad Perzyński, Krzysztof Bzowski (2019)
Shape Optimization in Polymer Extrusion Using Shear-Thinning Fluids Published in: Proceedings of 8th GACM Colloquium on Computational Mechanics : For Young Scientists From Academia and Industry August 28th - 30th, 2019 University of Kassel, Germany / Herausgeber: Tobias Gleim, Stephan Lange (2019)
Unsteady, temperature-dependent, and non-Newtonian simulations in plastics processing Published in: IWNMNNF 2019 : 19th International Workshop on Numerical Methods for Non-Newtonian Flows, June 16 - 20th, Peso da Régua, Portugal / Organizers: Alexandre Afonso, Universidade do Porto, Manuel Alves, Universidade do Porto, Jo~ao Miguel Nobrega, Universidade do Minho, Fernando Tavares Pinho, Universidade do Porto (2019)
A Sliding Interface Approach with Application to Twin-Screw Extruders Published in: Proceedings of 8th GACM Colloquium on Computational Mechanics : For Young Scientists From Academia and Industry August 28th - 30th, 2019 University of Kassel, Germany / Herausgeber: Tobias Gleim, Stephan Lange (2019)
Boundary-Conforming Finite Element Methods for Twin-Screw Extruders using Spline-Based Meshing Techniques : Non-Isothermal Flow Simulations for Complex Screw Elements Published in: Book of Abstracts : 5th ECCOMAS Young Investigators Conference : YIC 2019 : September 1-6, 2019, Kraków, Poland / Edited by: Konrad Perzyński, Krzysztof Bzowski (2019)
The Concept of a Virtual Ring for Mesh Update Methods in Moving Boundary Problems Published in: Book of Abstracts : 5th ECCOMAS Young Investigators Conference : YIC 2019 : September 1-6, 2019, Kraków, Poland / Edited by: Konrad Perzyński, Krzysztof Bzowski (2019)
Comparison of Shallow Water Models for Rapid Channel Flows Published in: Theory, numerics and applications of hyperbolic problems : Aachen, Germany, August 2016 / Christian Klingenberg, Michael Westdickenberg, editors. - 2 (2018)
Numerical Design for Primary Shaping Manufacturing Processes Published in: Proceedings in applied mathematics and mechanics (2018)
CFD-based optimization in plastics extrusion Published in: Proceedings of the 21st International ESAFORM Conference on Material Forming : ESAFORM 2018 : Palermo, Italy, 23-25 April 2018 / editors: Livan Fratini, Rosa Di Lorenzo, Gianluca Buffa, Guiseppe Ingaro (University of Palermo, Palermo, Italy). - B (2018)
Extrusion und Weiterverarbeitung simulativ optimieren Published in: Kunststoffindustrie 4.0 : 29. Internationales Kolloquium Kunststofftechnik / Herausgeber: Institut für Kunststoffverarbeitung (IKV) in Industrie und Handwerk an der RWTH Aachen, Lehrstuhl für Kunststoffverarbeitung, Prof. Dr.-Ing Christian Hopmann (2018)
Isogeometric Analysis in Fluid-Structure Interaction Problems Considering Structural Contact Published in: [ECCM - ECFD 2018 : 6th European Conference on Computational Mechanics (Solids, Structures and Coupled Problems), ECCM 6 : 7th European Conference on Computational Fluid Dynamics, ECFD 7 : 11 - 15 June 2018, Glasgow, UK] (2018)
Flow Simulation Inside Packaging Machines: Moving Interface Problems Published in: [6th European Conference on Computational Mechanics & 7th European Conference on Computational Fluid Dynamics, ECCM 6 & ECFD 7, 2018-06-11 - 2018-06-15, Glasgow, United Kingdom] (2018)
A combinded boundary-conforming - cut cell finite element method with application to flow inside twin-screw extruders Published in: [6th European Conference on Computational Mechanics (ECCM 6), 7th European Conference on Computational Fluid Dynamics (ECFD 7), ECCM - ECFD 2018, 2018-06-11 - 2018-06-15, Glasgow, Scotland] (2018)
Comparison of optimization algorithms for the slow shot phase in HPDC Published in: Proceedings of the 21st International ESAFORM Conference on Material Forming : ESAFORM 2018 : Palermo, Italy, 23-25 April 2018 / editors: Livan Fratini, Rosa Di Lorenzo, Gianluca Buffa, Guiseppe Ingaro (University of Palermo, Palermo, Italy). - B (2018)
Phase Transitions in Injection Molding Simulations Published in: YIC 2017 : 4th ECCOMAS Young Investigators Conference and PhD Olympiad, 13 - 15 September 2017, Milano, Italy / Department of Civil and Environmental Engineering Politecnico di Milano (2017)
Coupling free-surface flow and mesh deformation in an isogeometric setting Published in: Coupled Problems in Science and Engineering VII - COUPLED PROBLEMS 2017 : proceedings of the VII International Conference on Coupled Problems in Science and Engineering, Rhodes Island, Greece, June 12-14, 2017 / edited by: Manolis Papadrakakis (Institute of Structural Analysis & Antiseismic Research, National Technical University of Athens, Greece), Eugenio Oñate (International Center for Numerical Methods in Engineering (CIMNE), Spain, Universitat Politècnica de Catalunya (UPC)), Bernhard A. Schrefler (Department of Civil, Environmental and Architectural Engineering, Università degli Studi di Padova, Italy) (2017)
A Partitioned Approach for Fluid-Structure Interaction Using NURBS-Enhanced Finite Elements and Isogeometric Analysis Published in: 7th GACM Colloquium on Computational Mechanics for Young Scientists from Academia and Industry : proceedings ; a conference under the auspice of the German Association for Computational Mechanics (GACM) ; 11 - 13 October 2017, Stuttgart, Germany / Editors: Malte von Scheven, Marc-André Keip, Nils Karajan (2017)
Spline-Based Methods for Solving Fluid-Structure Interaction in Compressible Flows Published in: YIC 2017 : 4th ECCOMAS Young Investigators Conference and PhD Olympiad, 13 - 15 September 2017, Milano, Italy / Department of Civil and Environmental Engineering Politecnico di Milano (2017)
Objective Functions for the Shape Optimization of Temperature Control Channels in High-Pressure Die Casting Published in: Proceedings in applied mathematics and mechanics (2017)
A simplified simulation model for a HPDC die with conformal cooling channels Published in: Proceedings of the 20th International ESAFORM Conference on Material Forming : ESAFORM 2017 : Dublin, Ireland, 26-28 April 2017 / editors: Dermot Brabazon, Sumsun Naher, Inam Ul Ahad. - B (2017)
Predicting shrinkage and warpage in injection molding: Towards automatized mold design Published in: Proceedings of the 20th International ESAFORM Conference on Material Forming : ESAFORM 2017 : Dublin, Ireland, 26-28 April 2017 / editors: Dermot Brabazon, Sumsun Naher, Inam Ul Ahad. - B (2017)
Simulating Twin-Screw Extruders with Boundary Conforming Space-Time Finite Elements Published in: [19h International Conference on Finite Elements in Flow Problems, FEF 2017, 2017-04-05 - 2017-04-07, Rome, Italy] (2017)
Boundary-Conforming Space-Time Finite Elements for Co-Rotating Intermeshing Domains Published in: 7th GACM Colloquium on Computational Mechanics for Young Scientists from Academia and Industry : proceedings ; a conference under the auspice of the German Association for Computational Mechanics (GACM) ; 11 - 13 October 2017, Stuttgart, Germany / Editors: Malte von Scheven, Marc-André Keip, Nils Karajan (2017)
Simulation of Oil Jets for Piston Cooling Applications Using Mesh Deformation and the Level Set Method Published in: 7th GACM Colloquium on Computational Mechanics for Young Scientists from Academia and Industry : proceedings ; a conference under the auspice of the German Association for Computational Mechanics (GACM) ; 11 - 13 October 2017, Stuttgart, Germany / Editors: Malte von Scheven, Marc-André Keip, Nils Karajan (2017)
Deforming-Domain Problems Related to Packaging Machines: Mesh-Update Method and Flow Simulation Published in: 7th GACM Colloquium on Computational Mechanics for Young Scientists from Academia and Industry : Proceedings : 11 - 13 October 2017, Stuttgart, Germany / Editors: Malte von Scheven, Marc-André Keip, Nils Karajan (2017)
Deforming Domain Problems with Translational Movement: Flow Simulation inside a Packaging Machine Published in: YIC 2017 : 4th ECCOMAS Young Investigators Conference and PhD Olympiad : 13 - 15 September 2017, Milano, Italy (2017)
Free-Suface Flow Simulation with Space-Time Methods and Isogeometric Analysis Published in: USACM Thematic Conference on Isogeometric Analysis and Meshfree Methods : Abstracts : (Part 2, M-Z) (2016)
Die swell as an objective in the design of polymer extrusion dies Published in: ESAFORM 2016 : proceedings of the 19th International ESAFORM Conference on Material Forming : Nantes, France, 27-29 April 2016 / editors: Francisco Chinesta, Elias Cueto, Emmanuelle Abisset-Chavanne; sponsoring organisations ESI Group ... - B (2016)
Numerical Optimization of the Phase Interface in High-Pressure Die Casting Published in: 9th International Conferene on Multiphase Flow : May 22-27, Firenze, Italy : ICMV 2016 : Book of Abstracts (2016)
Study on objective functions for the slow shot phase in high-pressure die casting Published in: ESAFORM 2016 : proceedings of the 19th International ESAFORM Conference on Material Forming : Nantes, France, 27-29 April 2016 / editors: Francisco Chinesta, Elias Cueto, Emmanuelle Abisset-Chavanne; sponsoring organisations ESI Group ... - A (2016)
Schur Complement Based Preconditioning of the Stabilized Stokes Equations Published in: [5th European Trilinos User Group Meeting, 18.04.2016-20.04.2016, Garching, Germany] (2016)
An Interface-Tracking Approach to Viscoelastic Free-Surface Flows Published in: [The XVIIth International Congress on Rheology, ICR 2016, 09.08.2016-13.08.2016, Kyoto, Japan] (2016)
On the Simulation of Viscoelastic Free-Surface Flows Published in: [12th World Congress on Computational Mechanics and 6th Asia-Pacific Congress on Computational Mechanics, WCCM 2016, 24.07.2016-29.07.2016, Seoul, South Korea] (2016)
Simulating viscoelastic free-surface flows using an interface-tracking approach Published in: [VII European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS, 05.06.2016-10.06.2016, Crete Island, Greece] (2016)
Spline-based Finite Element Methods in Fluid-Structure-Interaction Published in: [12th World Congress on Computational Mechanics and 6th Asia-Pacific Congress on Computational Mechanics, WCCM XII and APCOM VI, 24.07.2016-29.07.2016, Seoul, South Korea] (2016)
Spline-based Fluid-Structure-Interaction for Sloshing Tanks Published in: [VII European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS, 05.06.2016-10.06.2016, Crete Island, Greece] (2016)
Spline-Based Finite Element Methods for Fluid Flow on Deforming Domains Published in: [High-Order Finite Element and Isogeometric Methods 2016, HOFEIM2016, 30.05.2016-02.06.2016, Jerusalem, Israel] (2016)
Spline-based methods for Interaction between Free-Surface Flows and Elastic Structures Published in: [VII European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS, 05.06.2016-10.06.2016, Crete Island, Greece] (2016)
Spline-Enhanced Finite Element Methods for Coupled Fluid Flow Problems Published in: [GAMM DMV Jahrestagung, GAMM DMV 2016, 07.03.2016-11.03.2016, Braunschweig, Germany] (2016)
Numerical Investigation of Rising Bubble Phenomena in Viscoelastic Fluids Published in: [Joint Annual Meeting of GAMM and DMV, GAMM DMV 2016, 07.03.2016-11.03.2016, Braunschweig, Germany : abstracts] (2016)
Schur Complement Based Preconditioning of the Stabilized Stokes Equations Published in: [Joint DMV and GAMM Annual Meeting, GAMM DMV 2016, 07.03.2016-11.03.2016, Braunschweig, Germany] (2016)
Towards the Simulation of Deformable Sloshing Tanks with Spline-Based Methods Published in: [3rd ECCOMAS Young Investigators Conference and 6th GACM Colloquium on Computational Mechanics, YIC GACM 2015, 20.07.2015-23.07.2015, Aachen, Germany] (2015)
An Objective Function for the Slow Shot Phase in High-Pressure Die Casting Published in: [3rd ECCOMAS Young Investigators Conference (YIC), YIC GACM, 20.07.2015-23.07.2015, Aachen, Germany] (2015)
Spline-Based Finite Element Methods in the Simulation of Deformable Sloshing Tanks Published in: [Engineering Mechanics Institute Conference 2015, EMI2015, 16.06.2015-19.06.2015, Stanford, USA] (2015)
NURBS-based Approaches in Fluid Flow Simulations Published in: 86th Annual Meeting of the International Association of Applied Mathematics and Mechanics : March 23-27, 2015 : Lecce, Italy : book of abstracts - extract 2015 (2015)
Simulation of rising bubbles in viscoelastic fluids Published in: [3rd ECCOMAS Young Investigators Conference and 6th GACM Colloquium on Computational Mechanics, YIC GACM 2015, 20.07.2015-23.07.2015, Aachen, Germany] (2015)
Efficient Jacobian calculation in a finite element software using automatic differentiation Published in: Conference Proceedings of the YIC GACM 2015 / ed.: Stefanie Elgeti ; Jaan-Willem Simon (2015)
Using Automatic Differentiation to Create Sparse Jacobians for the Solution of Nonlinear Partial Differential Equations Published in: Book of abstracts 2015 / 86th Annual Meeting of the International Association of Applied Mathematics and Mechanics March 23-27, 2015 Lecce, Italy (2015)
Simulating Free-Surface Flows with Moving Boundaries : Combination of an Interface-Tracking and an Interface-Capturing Approach Published in: Book of abstracts 2015 / 86th Annual Meeting of the International Association of Applied Mathematics and Mechanics March 23-27, 2015 Lecce, Italy (2015)
Development of an Objective Function for Die-Swell in Extrusion Die Design Published in: Engineering optimization IV : proceedings of the International Conference on Engineering Optimization (ENGOPT 2014), Lisbon, Portugal, 8-11 September 2014 / editors, H.C. Rodrigues, (LAETA, IDMEC, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal), J. Herskovits (COPPE, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil), C.M. Mota Soares, J.M. Guedes, A.L. Araújo & J.O. Folgado (LAETA, IDMEC, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal), F. Moleiro & J.F.A. Madeira (LAETA, IDMEC, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal and ISEL, Instituto Superior de Engenharia de Lisboa, Lisbon, Portugal) (2015)
A new log-conformation formulation Published in: 10th Annual European Rheology Conference : April 14-17, 2015 - Nantes, France (2015)
Advanced Approaches for Shape Optimization : an Optimal Strategy for Shape Optimization of Extrusion Dies Published in: Proceedings of the jointly organised 11th World Congress on Computational Mechanics (WCCM XI) : 5th European Conference on Computational Mechanics (ECCM V) ; 6th European Conference on Computational Fluid Dynamics (ECFD VI) ; Barcelona, Spain, July 20 - 25, 2014 / Eugenio Oñate ... (eds.). Organized by Spanish Association for Numerical Methods in Engineering (SEMNI) with the support of International Center for Numerical Methods in Engineering (CIMNE) / Sociedad Española de Métodos Numéricos en Ingeniería. Eugenio Oñate (2014)
Comparing Optimization Algorithms for Shape Optimization of Extrusion Dies Published in: Proceedings in applied mathematics and mechanics (2014)
The Nurbs-Enhanced Finite Element Method (NEFEM) for Free-Surface Flow Simulations Published in: 11th World Congress on Computational Mechanics (WCCM XI) : 5th European Conference on Computational Mechanics (ECCM V) ; 6th European Conference on Computational Fluid Dynamics (ECFD VI) ; 20 - 25 July 2014, Barcelona, Spain (2014)
A Fully Implicit Log-Conformation Formulation Published in: 11th World Congress on Computational Mechanics (WCCM XI) : 5th European Conference on Computational Mechanics (ECCM V) ; 6th European Conference on Computational Fluid Dynamics (ECFD VI) ; 20 - 25 July 2014, Barcelona, Spain (2014)
Numerical Shape Optimization of Profile Extrusion Dies Published in: [AC.CES 2011 : Aachen Conference on Computational Engineering Science ; July 13-15, 2011, RWTH Aachen, Germany / Aachen Institute for Advanced Study in Computational Engineering Science, RWTH Aachen] (2013)
The NURBS-Enhanced finite element method (NEFEM) for free-surface flow simulations Published in: 5th GACM Colloquium on Computational Mechanics : Sept. 30th - Oct 2nd 2013 (2013)
Incorporating mesh properties in the Galerkin : Least-Squares stabilization parameters for flows of viscous and viscoelastic fluids Published in: 8th Annual European Rheology Conference : April 2-5, 2013 - Leuven, Belgium (2013)
Design Criteria in Numerical Design of Profile Extrusion Dies Published in: Key engineering materials (2013)
Werkzeugauslegung am Computer : Numerische Formoptimierung in der Profilextrusion Published in: [Deutsche Kautschuk-Tagung, DKT 2012, 02.07.2012-05.07.2012, Nürnberg, Germany] (2012)
Design Optimization for Profile Extrusion Dies Published in: First ECCOMAS Young Investigators Conference : 24-27 April 2012, Aveiro, Portugal / A. Andrade-Campos, N. Lopes, R.A.F. Valente, H. Varum (editors) l (2012)
Comparing automated die optimisation with reality Published in: Proceedings of the 27th Annual Meeting of the Polymer Processing Society Marrakesh, Marocco, 10.-14. Mai 2010 (2011)
Concept for die modularisation applied on profile extrusion Published in: PPS-26 : Proceedings of the 26th Annual Meeting of the Polymer Processing Society ; July 4-8, 2010, Banff, Canada / General Chair: Uttandaraman Sundararaj (2010)
Shape Optimization for Fluids using T-Splines for Shape Representation Published in: Proceedings in Applied Mathematics and Mechanics (2010)
Shape Optimization and Sensitivity Analysis with Applications in Complex Fluids Published in: Recent Advances in Optimization and its Applications in Engineering : The 14th Belgian-French-German Conference on Optimization / edited by Moritz Diehl, Francois Glineur, Elias Jarlebring, Wim Michiels (2009)