Dr.-Ing. Andreas Apostolatos


Foto von Andreas Apostolatos

Lebenslauf

seit 2018 Postdoktorand/Wissenschaftlicher Mitarbeiter am Lehrstuhl für Statik, Prof. Dr.-Ing. K.-U. Bletzinger
2012-2018 Doktorand/Wissenschaftlicher Mitarbeiter am Lehrstuhl für Statik, Technische Universität München
2010-2012 Student im Masterprogramm Computational Mechanics mit Honors, Technische Universität München
2009-2010 Grundwehrdienst
2008-2009 Auslandsstudium an der Karls-Universität Prag, Tschechien
2003-2009 Student der angewandten Mathematik an der Nationalen Technischen Universität Athen, Griechenland

Forschungsschwerpunkte

Lehre

Vorlesungen

  • Einführung in die Finite Elemente Methode / FEM I
  • Weiterführende Themen der Finite Elemente Methode / FE-Technologie
  • Isogeometrische Analyse und Entwurf von Strukturen

 Betreuung von Bachelorarbeiten

  • Vasiliki Georgoula
    Implementation and comparison of the finite element formulation for different beam theories
    2016

Betreuung von Masterarbeiten

  • Carlos Mauro Osorio
    A parallelized embedded fluid-structure interaction approach for thin-walled isogeometric structures
    2017
  • Apostolos Petalas
    Implementation and validation of an isogeometric barycentric mapper with application to partitioned fluid-structure interaction using an embedded cfd solver
    2016
  • Ragnar Björnsson
    Implementation and evaluation of the penalty method for non-matching patch coupling in isogeometric mortar-based analysis
    2016
  • Fabien Péan
    Implementation of the mortar method for trimmed multipatch nurbs surfaces and its application in fsi and shape optimization
    2015
  • Chenshen Wu
    Implementation and verification of non-matching grid transfer schemes for fluid-structure interaction problems in isogeometric analysis within the empire framework
    2014

Veröffentlichungen

Journalbeiträge

2019

  • Apostolatos, Andreas; Bletzinger, Kai-Uwe; Wüchner, Roland: Weak imposition of constraints for structural membranes in transient geometrically nonlinear isogeometric analysis on multipatch surfaces. Computer Methods in Applied Mechanics and Engineering, 2019 mehr… BibTeX Volltext ( DOI )
  • Apostolatos, Andreas; Nayer, Guillaume De; Bletzinger, Kai-Uwe; Breuer, Michael; Wüchner, Roland: Systematic evaluation of the interface description for fluid–structure interaction simulations using the isogeometric mortar-based mapping. Journal of Fluids and Structures 86, 2019, 368 - 399 mehr… BibTeX Volltext ( DOI )

2018

  • Apostolatos, Andreas; Bletzinger, Kai-Uwe; Wüchner, Roland: Nitsche's method for form-finding of multipatch isogeometric membrane analysis. PAMM 18 (1), 2018, e201800106 mehr… BibTeX Volltext ( DOI )
  • G. De Nayer and A. Apostolatos and J.N. Wood and K.U. Bletzinger and R. Wüchner and M. Breuer: Numerical studies on the instantaneous fluid–structure interaction of an air-inflated flexible membrane in turbulent flow. Journal of Fluids and Structures 82, 2018, 577 - 609 mehr… BibTeX Volltext ( DOI )
  • Wüchner, Roland; Apostolatos, Andreas; de Nayer, Guillaume; Breuer, Michael; Bletzinger, Kai-Uwe: Coupled simulations involving light-weight structures within turbulent flows: FSI strategy and non-matching interface treatment for isogeometric b-rep analysis. PAMM 18 (1), 2018, e201800107 mehr… BibTeX Volltext ( DOI )
  • de Nayer, Guillaume; Wood, Jens Nikolas; Breuer, Michael; Apostolatos, Andreas; Wüchner, Roland: Coupled Simulations Involving Light-weight Structures within Turbulent Flows: A Complementary Experimental and Numerical Application. PAMM 18 (1), 2018, e201800030 mehr… BibTeX Volltext ( DOI )

2015

  • Breitenberger, M.; Apostolatos, A.; Philipp, B.; Wüchner, R.; Bletzinger, K.-U.: Analysis in computer aided design: Nonlinear isogeometric B-Rep analysis of shell structures. Computer Methods in Applied Mechanics and Engineering 284, 2015, 401--457 mehr… BibTeX Volltext ( DOI )

2014

  • Apostolatos, A.; Schmidt, R.; Wüchner, R.; Bletzinger, K.-U.: A Nitsche-type formulation and comparison of the most common domain decomposition methods in isogeometric analysis. International Journal for Numerical Methods in Engineering 97 (7), 2014, 473-504 mehr… BibTeX Volltext ( DOI )

Buchbeiträge

2015

  • Apostolatos, A.; Breitenberger, M.; Wüchner, R.; Bletzinger, K.-U.: Domain decomposition methods and Kirchhoff-Love shell multipatch coupling in isogeometric analysis. In: Isogeometric Analysis and Applications 2014. Springer International Publishing, 2015 mehr… BibTeX

Konferenzbeiträge

2019

  • Apostolatos, Andreas; Bletzinger, Kai-Uwe; Wüchner, Roland: An isogeometric b-rep mortar-based mapping method in fluid-structure interaction. YIC 2019 The 5th ECCOMAS Young Investigators Conference, 2019 mehr… BibTeX

2018

  • Apostolatos, A.; Wüchner, R.; Bletzinger, K. U.: Weak imposition of constraints for multipatch membrane structures in transient geometrically nonlinear isogeometric analysis. 89th GAMM Annual Meeting, Technical University of Munich, 2018 mehr… BibTeX
  • Apostolatos, A.; Emiroglu, A.; S., Shayegan; Wüchner, R.; K.-U., Bletzinger: IBRA in Partitioned FSI with Application to Aeroelastic Wind Turbine Simulations. IGA 2018: Integrating Analysis and Design, Austin, Texas, 2018 mehr… BibTeX

2017

  • Apostolatos, A.; Péan, F.; Emiroglu, A.; Wüchner, R; Bletzinger, K.-U.: An isogeometric mortar surface coupling method for trimmmed multipatch cad geometries with application to fsi. 7th GACM Colloquium on Computational Mechanics, 2017 mehr… BibTeX
  • Emiroglu, A.; Apostolatos, A.; Wüchner, R.; Bletzinger, K.-U.: Regenerating cad Models with opencascade and pythonocc from numerical models with application to shape optimization. 7th GACM Colloquium on Computational Mechanics, 2017 mehr… BibTeX

2016

  • Apostolatos, A.; Breitenberger, M.; Wüchner, R.; Bletzinger, K.-U.: A nitsche-type method for the multipatch coupling and the application of weak Dirichlet boundary conditions in transient nonlinear isogeometric membrane analysis. High Order Finite Element and Isogeometric Methods 2016, 2016 mehr… BibTeX

2015

  • Apostolatos, A.; Breitenberger, M.; Fabien, P.; Emiroglu, A.; Wüchner, R.; Bletzinger, K.-U.: Multipatch isogeometric analysis for thin-walled structures with application to partitioned fluid-structure interaction. 6th GACM Colloquium on Computational Mechanics, Aachen, 2015 mehr… BibTeX
  • Emiroglu, A.; Apostolatos, A.; Bletzinger, K.-U.: An exact coupling layer for the smoothening of the load and motion transfer in partitioned fluid-structure interaction with application to multi-disciplinary design optimization. Workshop on Numerical Methods for Optimal Control and Inverse Problems, Munich, 2015 mehr… BibTeX
  • M. Breitenberger, B. Philipp, A. Apostolatos, R. Wüchner, K.-U Bletzinger: Analyzing complex CAD models in a finite-element-like manner with the isogeometric B-Rep analysis. IGA 2015, Trondheim, 2015 mehr… BibTeX

2014

  • Apostolatos, A.; Breitenberger, M.; Wüchner, R.; Bletzinger, K.-U.: A penalty formulation for coupling of Kirchhoff-Love shell multi-patches in isogeometric analysis. Isogeometric Analysis and Applications, Annweiler am Trifels, 2014 mehr… BibTeX
  • Breitenberger, M.; Apostolatos, A.; Chen, L.; Wüchner, R.; Bletzinger, K.-U.: Nonlinear Isogeometric B-Rep Analysis of Trimmed Multi-Surface CAD models for Realizing an Efficient Integrated Design-Through-Analysis Workflow in the CAD-CAE Software Siemens NX 8.5. Isogeometric Analysis: Integrating Design and Analysis, Austin, 2014 mehr… BibTeX
  • Breitenberger, M.; Apostolatos, A.; Chen, L.; Wüchner, R.; Bletzinger, K.-U.: Realization of an Analysis in Computer Aided Design (AiCAD) Workflow in the CAD software Siemens NX 8.5 using the Isogeometric B-Rep Analysis. Isogeometric Analysis and Applications, Annweiler am Trifels, 2014 mehr… BibTeX

2013

  • Apostolatos, A.; Wüchner, R.; Bletzinger, K.-U.: Non-matching grid transfer schemes for partitioned fluid-structure interaction simulations using isogeometric analysis. 5th GACM Colloquium on Computational Mechanics, Hamburg, 2013 mehr… BibTeX
  • Wüchner, R.; Wang, T.; Sicklinger, S.; Schmidt, R.; Apostolatos, A.; Bletzinger, K.-U.: Partitioned multifield simulation for analysis and design of free-form, light-weight structures subject to wind. Advances in Computational Mechanics, San Diego, 2013 mehr… BibTeX