IFB/Research/Publications

Publications

2020
Markus Schätzer and Thomas Peter Fries Loaded crack surfaces in two and three dimensions with XFEM Applied Mathematical Modelling 78, 863-885, 2020 , DOI
Antonio Pepe, Richard Schussnig, Jianning Li, Christina Gsaxner, Xiaojun Chen, Thomas Peter Fries and Jan Egger IRIS: interactive real-time feedback image segmentation with deep learning
D. Schöllhammer and T. P. Fries A Higher-order Trace Finite Element Method for Shells arXiv.org e-Print archive 2020, 2020
T. P. Fries and D. Schöllhammer A unified finite strain theory for membranes and ropes Computer Methods in Applied Mechanics and Engineering 365, 2020 , DOI
Gernot Beer, Benjamin Marussig and Christian Duenser The Isogeometric Boundary Element Method978-3-030-23338-9
2019
Richard Schussnig and Thomas Peter Fries Fluid-Structure Interaction in Aortic Dissection - A Monolithic Approach
Richard Schussnig and Thomas Peter Fries Towards Fluid-Structure-Crack Interaction in Aortic Dissection
Jakob Werner Stanford and Thomas Peter Fries A higher-order conformal decomposition finite element method for plane B-rep geometries Computers & structures 214, 15-27, 2019 , DOI
D. Schöllhammer and T. P. Fries Kirchhoff–Love shell theory based on tangential differential calculus Computational mechanics 64, 113–131, 2019 , DOI
Gernot Beer and Christian Duenser Isogeometric boundary element analysis of problems in potential flow Computer Methods in Applied Mechanics and Engineering 347, 517-532, 2019 , DOI
Helmut Schweiger, C. Fabris, G. Ausweger and L. Hauser Examples of successful numerical modelling of complex geotechnical problems Innovative Infrastructure Solutions 4, 2019 , DOI
D. Schöllhammer and T. P. Fries Reissner–Mindlin shell theory based on tangential differential calculus Computer Methods in Applied Mechanics and Engineering 352, 172-188, 2019 , DOI
Daniel Schöllhammer and Thomas Peter Fries Reissner-Mindlin shell theory based on Tangential Differential CalculusProceedings in Applied Mathematics and Mechanics
Richard Schussnig and Thomas Peter Fries A concept for aortic dissection with fluid‐structure‐crack interactionProceedings in Applied Mathematics and Mechanics
Daniel Schöllhammer and Thomas Peter Fries A unified approach for shell analysis on explicitly and implicitly defined surfacesProceedings of the Form and Force Joint International Conference750-757
Jakob Werner Stanford and Thomas Peter Fries Higher-Order accurate meshing of implicitly defined non-smooth manifoldsProceedings of the 28th International Meshing Roundtable
Thomas Peter Fries and Daniel Schöllhammer Classical Shell Analysis based on Tangential Differential Calculus
Daniel Schöllhammer, Benjamin Marussig and Thomas Peter Fries An isogeometric fictitious domain method for trimmed Kirchhoff-Love shells using extended B-splines and Nitsche’s method
Jakob Werner Stanford and Thomas Peter Fries Higher-order accurate meshing of implicitly defined tangential and transversal intersection curvesNumerical Geometry, Grid Generation and Scientific Computing193-203
Jakob Werner Stanford and Thomas Peter Fries Higher-order Accurate Meshing of Non-Smooth Implicitly Defined Surfaces and Intersection Curves Computational Mathematics and Mathematical Physics 59, 2093–2107, 2019
Thomas-Peter Fries and Daniel Schöllhammer A Unified Finite Strain Theory for Membranes and Ropes arXiv.org e-Print archive 2019, 2019
2018
D. Schöllhammer and T. P. Fries Kirchhoff-Love shell theory based on tangential differential calculus arXiv.org e-Print archive 2018, 2018
Gernot Beer and Christian Duenser Advanced 3-D Boundary Element analysis of underground excavations Computers and Geotechnics 101, 196-207, 2018 , DOI
Gernot Beer, Vincenzo Mallardo, Eugenio Ruocco and Christian Dünser Isogeometric Boundary Element Analysis of steady incompressible viscous flow, Part 2 : 3-D problems Computer Methods in Applied Mechanics and Engineering 332, 440-461, 2018 , DOI
Thomas Peter Fries Higher-order surface FEM for incompressible Navier-Stokes flows on manifolds International journal for numerical methods in fluids 88, 55-78, 2018 , DOI
T. P. Fries Higher-order conformal decomposition FEM (CDFEM) Computer Methods in Applied Mechanics and Engineering 328, 75-98, 2018 , DOI
Thomas Peter Fries Higher-order surface FEM for incompr. Navier-Stokes flows on manifoldsProceedings in Applied Mathematics and Mechanics, Special Issue
Markus Schätzer and Thomas Peter Fries Heuristic pressure profiles in hydraulic fracturingProceedings in Applied Mathematics and Mechanics, Special Issuee20180006
Daniel Schöllhammer and Thomas Peter Fries Kirchhoff-Love shell theory based on Tangential Differential CalculusProceedings in Applied Mathematics and Mechanics
Thomas Peter Fries, Samir Omerovic, Daniel Schöllhammer and Jakob Werner Stanford A fictitious domain method with higher-order accurate integration in cut elementsProceedings ECCM VI, ECFD VII3994-3405
Daniel Schöllhammer and Thomas Peter Fries Classical shell analysis in view of tangential differential calculusProceedings ECCM VI, ECFD VII3646-3657
Jakob Werner Stanford and Thomas Peter Fries A higher-order conformal decomposition FEM for NURBS-based geometriesProceedings ECCM VI, ECFD VII3406-3416
Thomas Peter Fries Higher-order approximations of incompressible Navier-Stokes flows on curved manifoldsProceedings of the 13th World Congress on Computational Mechanics (WCCM XIII), New York, USA
Thomas Peter Fries and Markus Schätzer Explicit-implicit XFEM for Hydraulic Fracturing with emphasis on transport models on curved crack surfaces
Daniel Schöllhammer and Thomas Peter Fries Classical shell theory based on tangential differential calculus
Thomas Peter Fries Higher-order surface FEM for incompressible flows on curved manifolds
Christian Duenser, Gernot Beer and Benjamin Marussig Isogeometric boundary element analysis of underground excavationsProceedings ECCM VI, ECFD VII2281-2291
Gernot Beer, Benjamin Marussig and Christian Duenser Isogeometric boundary element method for problems with nonlinear inclusions
Gernot Beer and Christian Duenser Isogeometric boundary element analysis of underground excavations considering effects of geology
Vincenzo Mallardo, Eugenio Ruocco and Gernot Beer A NURBS-BEM application in continuum damage mechanicsAdvances in Fracture and Damage Mechanics XVII253-258
2017
Gernot Beer, Vincenzo Mallardo, Eugenio Ruocco, Benjamin Marussig, Jürgen Zechner, Christian Dünser and Thomas-Peter Fries Isogeometric Boundary Element Analysis with elasto-plastic inclusions. Part 2: 3-D problems Computer Methods in Applied Mechanics and Engineering 315, 418-433, 2017 , DOI
T. P. Fries, Samir Omerovic, D. Schöllhammer and Jakob Steidl Higher-order meshing of implicit geometries—Part I Computer Methods in Applied Mechanics and Engineering 313, 759-784, 2017 , DOI
Samir Omerovic and Thomas Peter Fries Conformal higher-order remeshing schemes for implicitly defined interface problems International Journal for Numerical Methods in Engineering 109, 763-789, 2017 , DOI
Benjamin Marussig, Jürgen Zechner, Gernot Beer and Thomas Peter Fries Stable isogeometric analysis of trimmed geometries Computer Methods in Applied Mechanics and Engineering 316, 497-521, 2017 , DOI
Christian Duenser and Gernot Beer BOUNDARY ELEMENT ANALYSIS OF STEADY INCOMPRESSIBLE VISCOUS FLOW WITH ISOGEOMETRIC AND ISOPARAMETRIC DISCRETISATIONCoupled Problems in Science and Engineering VII244-255
Thomas Peter Fries A higher-order FEM for PDEs on implicit manifolds—part I: geometry
Daniel Schöllhammer and Thomas Peter Fries A higher-order FEM for PDEs on implicit manifolds—part II: approximations
Gernot Beer, Vincenzo Mallardo, Eugenio Ruocco and Christian Dünser Isogeometric Boundary Element Analysis of steady incompressible viscous flow, Part 1: Plane problems Computer Methods in Applied Mechanics and Engineering 2017, 2017 , DOI
Jakob Werner Steidl and Thomas Peter Fries Construction of a Higher-order Conformal Decomposition FEM for NURBS-based geometries
Markus Schätzer and Thomas Peter Fries A simplified hydraulic fracturing model in 3D with prescribed pressure profiles
Thomas Peter Fries Higher-order conformal decomposition FEM (CDFEM): An alternative for XFEM
Benjamin Urick and Benjamin Marussig Why CAD Surface Geometry is Inexact
T. P. Fries and D. Schöllhammer Higher-order meshing of implicit geometries, Part II: Approximations on manifolds Computer Methods in Applied Mechanics and Engineering 326, 270-297, 2017 , DOI
Thomas Bernoulli Flexibilität durch Modularität: Ein Framework für sensorbasierte Positionierungssysteme
Samir Omerovic Higher-order finite element methods for implicitly defined interface problems
2016
Peter Kautsch Bauphysiktagung 2016
C. Duenser and G. Beer Modelling the process of sequential excavation with the boundary element methodECCOMAS Congress 2016 - Proceedings of the 7th European Congress on Computational Methods in Applied Sciences and Engineering3168-3180
Jakob W. Steidl and Thomas Peter Fries Automatic conformal decomposition of elements cut by NURBSECCOMAS Congress 2016 - Proceedings of the 7th European Congress on Computational Methods in Applied Sciences and Engineering2591-2600
Gernot Beer, Benjamin Marussig, Jürgen Zechner, Christian Dünser and Thomas Peter Fries Isogeometric Boundary Element analysis with elasto-plastic inclusions. Part 1 Computer Methods in Applied Mechanics and Engineering 308, 552-570, 2016 , DOI
Benjamin Marussig, Jürgen Zechner, Gernot Beer and Thomas Peter Fries Integration of design and analysis through boundary integral equationsECCOMAS Congress 2016 - Proceedings of the 7th European Congress on Computational Methods in Applied Sciences and Engineering6526-6538
Gernot Beer and Christian Duenser Advanced Boundary Element analysis of geotechnical problems with geological inclusions Computers and Geotechnics 79, 86-95, 2016 , DOI
Bernhard Lindner, Christian Duenser and Gernot Beer Coupling of BEM subdomains – BETI applied to collocation BEM with mixed basis functions Engineering analysis with boundary elements 71, 79-91, 2016 , DOI
Thomas Peter Fries and Samir Omerovic Higher-order accurate integration of implicit geometries International Journal for Numerical Methods in Engineering 106, 323-371, 2016 , DOI
Markus Schätzer and Thomas Peter Fries The XFEM for a simplified model in hydraulic fracturingECCOMAS Congress 2016 - Proceedings of the 7th European Congress on Computational Methods in Applied Sciences and Engineering1637-1646
Jürgen Zechner, Benjamin Marussig, Gernot Beer and Thomas Peter Fries The isogeometric Nyström method Computer Methods in Applied Mechanics and Engineering 308, 212-237, 2016 , DOI
T.P. Fries Higher-order accurate integration for cut elements with Chen-Babuska nodesAdvances in Discretization Methods: Discontinuities, virtual elements, fictitious domain methods245 - 269
Markus Schätzer and Thomas-Peter Fries Stress intensity factors through crack-opening displacements in the XFEMAdvances in Discretization Methods: Discontinuities, virtual elements, fictitious domain methods143 - 164
Samir Omerovic and T.P. Fries Higher-order conformal decomposition finite element methodProceedings in Applied Mathematics and Mechanics
Markus Schätzer and T.P. Fries Hydraulic fracturing with a simplified fluid model and XFEMProceedings in Applied Mathematics and Mechanics
Thomas Peter Fries Accurate Integration in Cut Elements based on Conformal Decomposition into Isoparametric Elements
Thomas Peter Fries and Markus Schätzer The XFEM in a Simplified Model for Hydraulic Fracturing in Three Dimensions
Thomas Peter Fries Accurate integration points for cut higher-order elements with Chen-Babuška nodes
Hugo Bastos de Sá Bruno, André Maués Brabo Pereira, Luiz Wrobel and Christian Duenser Uma implementação do MEC Simétrico de Galerkin para problemas de elasticidade 2dCILAMCE 2016
2015
Daniel Schöllhammer and Heinz Wimmer Bemessung von Stahlbetonstützen mittels Smartphone Beton- und Stahlbetonbau 110, 228, 2015 , DOI
Samir Omerovic and Thomas-Peter Fries XFEM for Deformation Theory of Plasticity Proceedings in Applied Mathematics and Mechanics 15, 223-224, 2015
Benjamin Marussig Seamless Integration of Design and Analysis through Boundary Integral Equations
Benjamin Marussig, Jürgen Zechner, Gernot Beer and Thomas-Peter Fries Fast isogeometric boundary element method based on independent field approximation Computer Methods in Applied Mechanics and Engineering 284, 458-488, 2015 , DOI
Gernot Beer, Benjamin Marussig and Jürgen Zechner A simple approach to the numerical simulation with trimmed CAD surfaces Computer Methods in Applied Mechanics and Engineering 285, 776-790, 2015 , DOI
Markus Schätzer and Thomas-Peter Fries Fitting stress intensity factors from crack opening displacements in 2D and 3D XFEM Proceedings in Applied Mathematics and Mechanics 15, 149-150, 2015 , DOI
Sergej Muhic Employing existing standard BIM formats as the source of building information in Indoor Positioning
Gernot Beer and Benjamin Marussig Boundary Element MethodsIsogeometric Methods for Numerical Simulation121-172
Thomas-Peter Fries Towards higher-order XFEM for interfacial flows Proceedings in Applied Mathematics and Mechanics 15, 507-508, 2015 , DOI
Jürgen Zechner The Isogeometric Nyström MethodIII International Conference on Isogeometric Analysis - IGA 201588-88
Samir Omerovic and Thomas-Peter Fries XFEM vs. r-Refinement for Higher-Order Approximations in ElastoplasticityConference Program and Book of Abstracts40-41
Benjamin Marussig, Jürgen Zechner, Gernot Beer and Thomas-Peter Fries Isogeometric Boundary Element Analysis with Trimmed GeometriesIII International Conference on Isogeometric Analysis - IGA 2015122-122
Markus Schätzer and Thomas-Peter Fries Crack propagation by using crack opening displacements in 2D and 3D XFEMBook of abstracts62-63
Thomas-Peter Fries A higher-order accurate numerical integration for the XFEM and fictitious domain methodsBook of abstract95-96
Thomas-Peter Fries Higher-order accurate integration of 3D geometries defined by level-setsBook of abstracts1-1
Christian Dünser, Bernhard Lindner and Gernot Beer COUPLING OF BOUNDARY ELEMENT REGIONS WITH THE BOUNDARY ELEMENT TEARING AND INTERCONNECTING METHOD (BETI)COUPLED PROBLEMS 2015358-369
Samir Omerovic and Thomas-Peter Fries XFEM for Deformation Theory of PlasticityBook of Abstracts251-251
2014
Thomas-Peter Fries, Markus Schätzer and Nikolai Weber XFEM-simulation of hydraulic fracturing in 3D with emphasis on stress intensity factors
Safdar Abbas and Thomas Peter Fries A unified enrichment scheme for fracture problems IOP Conference Series / Materials Science and Engineering 10, 2014 , DOI
Benjamin Marussig, Gernot Beer and Christian Dünser Isogeometric Boundary Element Method for the Simulation in Tunneling Applied Mechanics and Materials 553, 495-500, 2014 , DOI
Thomas-Peter Fries, Michael Fücker and Armin Kauerauf The Finite Element Method with Continuity Constraints for Stair-step Grids in Geoscience Computational geosciences 18, 831-850, 2014 , DOI
Thomas-Peter Fries Overview and comparison of different variants of the XFEM Proceedings in Applied Mathematics and Mechanics 14, 27-30, 2014 , DOI
Jürgen Zechner, Benjamin Marussig, Gernot Beer, Christian Dünser and Thomas-Peter Fries Isogeometric Boundary Element Method with Hierarchical MatricesProceedings of the jointly organized WCCM XI, ECCM V, ECFD VI2457-2468
Thomas-Peter Fries, Markus Schätzer and Nikolai Weber XFEM-simulation of hydraulic fracturing in 3D with emphasis on stress intensity factorsProceedings of the 11th World Congress on Computational Mechanics (WCCM XI)1-12
Benjamin Marussig, Jürgen Zechner, Gernot Beer, Christian Dünser and Thomas-Peter Fries An Alternative Isogeometric Boundary Element FormulationIsogeometric Analysis and Applications (IGAA 2014)30-30
Martin Krammer, Thomas Bernoulli and Ulrich Walder All You Need Is Content — Create Sophisticated Mobile Location-Based Service Applications Without ProgrammingProceedings of the 11th International Symposium on Location- Based Services293-308
Gernot Beer, Benjamin Marussig, Jürgen Zechner, Christian Dünser and Thomas-Peter Fries Boundary Element Analysis with Trimmed NURBS and a Generalized IGA ApproachProceedings of the jointly organized WCCM XI, ECCM V, ECFD VI2445-2456
Martin Krammer, Thomas Bernoulli and Ulrich Walder Beyond HTML5 Geolocation - A Flexible Concept to Enable and Easily Use Advanced Positioning Technologies for Mobile Indoor Location Based Service Web ApplicationsThe Fifth International Conference on Indoor Positioning and Indoor Navigation 2014 (IPIN 2014)
Sergej Muhic Utilizing IFC for Indoor PositioningeWork and eBusiness in Architecture, Engineering and Construction: ECPPM 2014
2013
Gernot Beer, Benjamin Marussig and Christian Dünser Isogeometric boundary element method for the simulation of underground excavations Géotechnique Letters 3, 108-111, 2013 , DOI
Nikolai Weber, Philip Siebert, Karen Willbrand, Martin Feinendegen, Christoph Clauser and Thomas-Peter Fries The XFEM with an explicit-implicit crack description for hydraulic fracture problemsEffective and Sustainable Hydraulic Fracturing711-724
Klaus Aichhorn, Driton Kuci, Carmen Sommer, Claudia Fösleitner, Ioana Koglbauer, Petra Hafner, Thomas Moder, Manfred Wieser, Salvatore Sylvester Valeskini, Thomas Bernoulli, Ulrich Walder, Klaus Witrisal and Heimo Krajnz LOBSTER Final Report
Henning Sauerland and Thomas-Peter Fries The stable XFEM for two-phase flows Computers & fluids 87, 41-49, 2013 , DOI
Benjamin Marussig, Gernot Beer and Christian Dünser Isogeometric boundary element method for the simulation in tunnelingACCM 2013: 1st australasian conference on computational mechanics17-17
Benjamin Marussig, Christian Dünser and Gernot Beer Isogeometric Boundary Element Methods for TunnelingIABEM 2013 Symposium of the International Association for Boundary Element Methods100-106
Nikolai Weber and Thomas-Peter Fries The XFEM with an Implicit-Explicit Crack Description for a Plane-Strain Hydraulic Fracture ProblemProceedings in Applied Mathematics and Mechanics83-84
2012
K. W. Cheng and T. P. Fries XFEM with hanging nodes for two-phase incompressible flow Computer Methods in Applied Mechanics and Engineering 245-246, 290-312, 2012 , DOI
H. Sauerland and T. P. Fries The extended finite element method applied to 3D free-surface flowsECCOMAS 2012 - European Congress on Computational Methods in Applied Sciences and Engineering, e-Book Full Papers2285-2293
M. Baydoun and T. P. Fries Crack propagation criteria in three dimensions using the XFEM and an explicit-implicit crack description International journal of fracture 178, 51-70, 2012 , DOI
Thomas Peter Fries and Malak Baydoun Crack propagation with the extended finite element method and a hybrid explicit-implicit crack description International Journal for Numerical Methods in Engineering 89, 1527-1558, 2012 , DOI
Christian Dünser Numerical Simulation of Underground Construction with the Boundary Element Method
Gernot Beer, Christian Dünser and Katharina Riederer Boundary Element MethodsInnovative Numerical Modeling in Geomechanics281-298
Christian Dünser, Klaus Thöni, Katharina Riederer, Bernhard Lindner and Gernot Beer New Developments of the Boundary Element Method for Underground Constructions International Journal of Geomechanics 12, 665-675, 2012 , DOI
Christian Dünser and Gernot Beer Simulation of sequential excavation with the Boundary Element Method Computers and Geotechnics 2012, 157-166, 2012 , DOI
Benjamin Marussig Sequentieller Tunnelaushub mit der Finite Elemente Methode
Jürgen Zechner A Fast Boundary Element Method with Hierarchical Matrices for Elastostatics and Plasticity
Jürgen Zechner and Gernot Beer A fast elasto-plastic formulation with hierarchical matrices and the boundary element method Computational mechanics 2012, 1-11, 2012 , DOI
Bernhard Lindner, Christian Dünser and Gernot Beer Simulation of nonlinear problems in tunneling with the boundary element tearing and interconnecting methodBook of Abstracts306-306
Bernhard Lindner, Christian Dünser and Gernot Beer Simulation of Sequential Tunnel Excavation with the Boundary Element Tearing and Interconnecting MethodBook of Abstracts1-1
Gernot Beer, Jerzy Rojek, Gerasimus Karlis and Lukasz Jakub Malinowski Adaptive coupling of different numerical methodsLa Serena Numerica
Benjamin Marussig Isogeometric Boundary Element MethodKurzfassungen der Vorträge BB12141-141
Christian Dünser Determination of excavation loads for the sequential tunnel excavation with the boundary element methodBook of Abstracts309-309
2011
Lukasz Jakub Malinowski, Gerasimos Karlis, Gernot Beer and Jerzy Rojek Iterative Coupling of Boundary and Discrete Element Method Using an Overlapping FEM Zone
Lukasz Jakub Malinowski, Gerasimos Karlis, Gernot Beer and Jerzy Rojek Adaptive coupling of the discrete and boundary element method for the simulation of problems in geotechnical engineering
Henning Sauerland and Thomas Peter Fries The extended finite element method for two-phase and free-surface flows Journal of computational physics 230, 3369-3390, 2011 , DOI
Thomas Peter Fries, Andreas Byfut, Alaskar Alizada, Kwok Wah Cheng and Andreas Schröder Hanging nodes and XFEM International Journal for Numerical Methods in Engineering 86, 404-430, 2011 , DOI
Lukasz Jakub Malinowski Iterative Coupling of Boundary and Discrete Element Method Using an Overlapping FEM ZoneComputational Methods for Coupled Problems in Science and Engineering IV - “COUPLED PROBLEMS 2011”301-312
Gernot Beer, Christian Dünser, Jürgen Zechner and Bernhard Lindner Innovative Simulationsmethoden im TunnelbauBaustatik Baupraxis 119-16
Jürgen Zechner and Martin Ebner Playing a Game in Civil Engineering14th International Conference on Interactive Collaborative Learning (ICL2011) ̶ 11th International Conference Virtual University (vu'11)417-422
Gernot Beer, Christian Dünser, Günter Hofstetter and Yvonne Theiner Baustatik Baupraxis 11
2010
Jürgen Zechner and Gernot Beer Fast BEM Simulations In Tunnelling
Jürgen Zechner and Gernot Beer Application of Hierarchical Matrices to a BEM Plasticity Algorithm in Tunnelling
Jürgen Zechner and Gernot Beer Accelerated BEM Simulations with Hierarchical Matrices applied to Tunnelling Problems
Kwok Wah Cheng and Thomas Peter Fries Higher-order XFEM for curved strong and weak discontinuities International Journal for Numerical Methods in Engineering 82, 564-590, 2010 , DOI
Safdar Abbas, Alaskar Alizada and Thomas Peter Fries The XFEM for high-gradient solutions in convection-dominated problems International Journal for Numerical Methods in Engineering 82, 1044-1072, 2010 , DOI
Thomas Peter Fries and Ted Belytschko The extended/generalized finite element method International Journal for Numerical Methods in Engineering 84, 253-304, 2010 , DOI
T. Knott, S. Ullrich, O. Grottke, T. Fries, M. Gerressen, T. M. Deserno, R. Rossaint and T. Kuhlen Medical training simulators for bilateral sagittal split osteotomy and regional aneasthesia in virtual environmentsProceedings CURAC 2010137-140
Gernot Beer, Christian Dünser, Katharina Riederer, Plinio Glauber Carvalho dos Prazeres, Klaus Thöni, Jürgen Zechner and Martin Stettner Computer Simulation of Conventional ConstructionTechnology Innovation in Underground Construction129-161
Samir Omerovic Implementation and Use of the UPC Soil Models with the Boundary Element Method
Klaus Thöni, Katharina Riederer and Gernot Beer New Developments of the Boundary Element Method with Internal CellsPan-American Congress of Applied Mechanics
Gernot Beer Technology Innovation in underground construction978-0-415-55105-2