IFB/Research/Publications

Publications

2021
Thomas-Peter Fries A higher‐order Trace finite element method for shells International Journal for Numerical Methods in Engineering 122, 1217-1238, 2021 , DOI
Thomas-Peter Fries and Richard Schussnig Fluid-structure interaction simulations of aortic dissectionProceedings in Applied Mathematics and Mechanics
Thomas-Peter Fries Non-linear structural membranes and ropes based on tangential differential calculusProceedings in Applied Mathematics and Mechanics
Thomas-Peter Fries Implicit Analysis of Reissner–Mindlin shells with the Trace FEMProceedings in Applied Mathematics and Mechanics
Thomas-Peter Fries and Richard Schussnig A global residual-based stabilization for equal-order finite element approximations of incompressible flows International Journal for Numerical Methods in Engineering 122, 2075-2094, 2021 , DOI
Christian Dünser and Gernot Beer Efficient and realistic 3-D boundary element simulations of underground construction using isogeometric analysis Computers and Geotechnics 134, 2021 , DOI
2020
Thomas-Peter Fries Loaded crack surfaces in two and three dimensions with XFEM Applied Mathematical Modelling 78, 863-885, 2020 , DOI
Thomas-Peter Fries A Higher-order Trace Finite Element Method for Shells arXiv.org e-Print archive 2020, 2020
Christian Dünser and Gernot Beer Isogeometric boundary element analysis of underground excavationsProceedings of the 6th European Conference on Computational Mechanics2281-2292
Thomas-Peter Fries A generalized formulation of classical shell models based on tangential differential calculusBerichte der Fachtagung Baustatik - Baupraxis 14431-438
Thomas-Peter Fries and Richard Schussnig IRIS: interactive real-time feedback image segmentation with deep learningSPIE Medical Imaging
Thomas-Peter Fries A unified finite strain theory for membranes and ropes Computer Methods in Applied Mechanics and Engineering 365, 2020 , DOI
Christian Dünser and Gernot Beer Time dependent problemsLecture Notes in Applied and Computational Mechanics307-317
Christian Dünser and Gernot Beer Steady state potential problemsLecture Notes in Applied and Computational Mechanics151-168
Christian Dünser and Gernot Beer Getting geometry information from CAD programsLecture Notes in Applied and Computational Mechanics93-102
Christian Dünser and Gernot Beer Efficient simulation of inclusions and reinforcement bars with the isogeometric Boundary Element method Computer Methods in Applied Mechanics and Engineering 372, 2020 , DOI
Christian Dünser and Gernot Beer The Isogeometric Boundary Element Method978-3-030-23338-9
2019
Thomas-Peter Fries and Richard Schussnig Fluid-Structure Interaction in Aortic Dissection - A Monolithic Approach
Thomas-Peter Fries and Richard Schussnig Towards Fluid-Structure-Crack Interaction in Aortic Dissection
Thomas-Peter Fries A higher-order conformal decomposition finite element method for plane B-rep geometries Computers & Structures 214, 15-27, 2019 , DOI
Thomas-Peter Fries Kirchhoff–Love shell theory based on tangential differential calculus Computational Mechanics 64, 113–131, 2019 , DOI
Christian Dünser and Gernot Beer Isogeometric boundary element analysis of problems in potential flow Computer Methods in Applied Mechanics and Engineering 347, 517-532, 2019 , DOI
Examples of successful numerical modelling of complex geotechnical problems Innovative Infrastructure Solutions 4, 2019 , DOI
Thomas-Peter Fries Reissner–Mindlin shell theory based on tangential differential calculus Computer Methods in Applied Mechanics and Engineering 352, 172-188, 2019 , DOI
Thomas-Peter Fries Reissner-Mindlin shell theory based on Tangential Differential CalculusProceedings in Applied Mathematics and Mechanics
Thomas-Peter Fries and Richard Schussnig A concept for aortic dissection with fluid‐structure‐crack interactionProceedings in Applied Mathematics and Mechanics
Thomas-Peter Fries A unified approach for shell analysis on explicitly and implicitly defined surfacesProceedings of the Form and Force Joint International Conference750-757
Thomas-Peter Fries Higher-Order accurate meshing of implicitly defined non-smooth manifoldsProceedings of the 28th International Meshing Roundtable
Thomas-Peter Fries Classical Shell Analysis based on Tangential Differential Calculus
Thomas-Peter Fries An isogeometric fictitious domain method for trimmed Kirchhoff-Love shells using extended B-splines and Nitsche’s method
Thomas-Peter Fries Higher-order accurate meshing of implicitly defined tangential and transversal intersection curvesNumerical Geometry, Grid Generation and Scientific Computing193-203
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 A Unified Finite Strain Theory for Membranes and Ropes arXiv.org e-Print archive 2019, 2019
2018
Thomas-Peter Fries Kirchhoff-Love shell theory based on tangential differential calculus arXiv.org e-Print archive 2018, 2018
Christian Dünser and Gernot Beer Advanced 3-D Boundary Element analysis of underground excavations Computers and Geotechnics 101, 196-207, 2018 , DOI
Christian Dünser and Gernot Beer 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
Thomas-Peter 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
Thomas-Peter Fries Heuristic pressure profiles in hydraulic fracturingProceedings in Applied Mathematics and Mechanics, Special Issuee20180006
Thomas-Peter Fries Kirchhoff-Love shell theory based on Tangential Differential CalculusProceedings in Applied Mathematics and Mechanics
Thomas-Peter Fries A fictitious domain method with higher-order accurate integration in cut elementsProceedings ECCM VI, ECFD VII3994-3405
Thomas-Peter Fries Classical shell analysis in view of tangential differential calculusProceedings ECCM VI, ECFD VII3646-3657
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 Explicit-implicit XFEM for Hydraulic Fracturing with emphasis on transport models on curved crack surfaces
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 Dünser and Gernot Beer Isogeometric boundary element method for problems with nonlinear inclusions
Christian Dünser and Gernot Beer Isogeometric boundary element analysis of underground excavations considering effects of geology
Gernot Beer A NURBS-BEM application in continuum damage mechanicsAdvances in Fracture and Damage Mechanics XVII253-258
2017
Christian Dünser, Thomas-Peter Fries and Gernot Beer 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
Thomas-Peter Fries Higher-order meshing of implicit geometries—Part I Computer Methods in Applied Mechanics and Engineering 313, 759-784, 2017 , DOI
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
Thomas-Peter Fries Stable isogeometric analysis of trimmed geometries Computer Methods in Applied Mechanics and Engineering 316, 497-521, 2017 , DOI
Christian Dünser 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
Thomas-Peter Fries A higher-order FEM for PDEs on implicit manifolds—part II: approximations
Christian Dünser and Gernot Beer Isogeometric Boundary Element Analysis of steady incompressible viscous flow, Part 1: Plane problems Computer Methods in Applied Mechanics and Engineering 2017, 2017 , DOI
Thomas-Peter Fries Construction of a Higher-order Conformal Decomposition FEM for NURBS-based geometries
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
Why CAD Surface Geometry is Inexact
Thomas-Peter Fries Higher-order meshing of implicit geometries, Part II: Approximations on manifolds Computer Methods in Applied Mechanics and Engineering 326, 270-297, 2017 , DOI
Thomas-Peter Fries Flexibilität durch Modularität: Ein Framework für sensorbasierte Positionierungssysteme
Thomas-Peter Fries Higher-order finite element methods for implicitly defined interface problems
2016
Bauphysiktagung 2016
Christian Dünser 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
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
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
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
Christian Dünser Advanced Boundary Element analysis of geotechnical problems with geological inclusions Computers and Geotechnics 79, 86-95, 2016 , DOI
Christian Dünser 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 Higher-order accurate integration of implicit geometries International Journal for Numerical Methods in Engineering 106, 323-371, 2016 , DOI
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
Thomas-Peter Fries The isogeometric Nyström method Computer Methods in Applied Mechanics and Engineering 308, 212-237, 2016 , DOI
Thomas-Peter Fries Higher-order accurate integration for cut elements with Chen-Babuska nodesAdvances in Discretization Methods: Discontinuities, virtual elements, fictitious domain methods245 - 269
Thomas-Peter Fries Stress intensity factors through crack-opening displacements in the XFEMAdvances in Discretization Methods: Discontinuities, virtual elements, fictitious domain methods143 - 164
Thomas-Peter Fries Higher-order conformal decomposition finite element methodProceedings in Applied Mathematics and Mechanics
Thomas-Peter 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 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
Christian Dünser Uma implementação do MEC Simétrico de Galerkin para problemas de elasticidade 2dCILAMCE 2016
2015
Bemessung von Stahlbetonstützen mittels Smartphone Beton- und Stahlbetonbau 110, 228, 2015 , DOI
Thomas-Peter Fries XFEM for Deformation Theory of Plasticity Proceedings in Applied Mathematics and Mechanics 15, 223-224, 2015
Seamless Integration of Design and Analysis through Boundary Integral Equations
Thomas-Peter Fries and Gernot Beer Fast isogeometric boundary element method based on independent field approximation Computer Methods in Applied Mechanics and Engineering 284, 458-488, 2015 , DOI
Gernot Beer A simple approach to the numerical simulation with trimmed CAD surfaces Computer Methods in Applied Mechanics and Engineering 285, 776-790, 2015 , DOI
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
Thomas-Peter Fries Employing existing standard BIM formats as the source of building information in Indoor Positioning
Gernot Beer 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
The Isogeometric Nyström MethodIII International Conference on Isogeometric Analysis - IGA 201588-88
Thomas-Peter Fries XFEM vs. r-Refinement for Higher-Order Approximations in ElastoplasticityConference Program and Book of Abstracts40-41
Thomas-Peter Fries and Gernot Beer Isogeometric Boundary Element Analysis with Trimmed GeometriesIII International Conference on Isogeometric Analysis - IGA 2015122-122
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 and Gernot Beer COUPLING OF BOUNDARY ELEMENT REGIONS WITH THE BOUNDARY ELEMENT TEARING AND INTERCONNECTING METHOD (BETI)COUPLED PROBLEMS 2015358-369
Thomas-Peter Fries XFEM for Deformation Theory of PlasticityBook of Abstracts251-251
2014
Thomas-Peter Fries XFEM-simulation of hydraulic fracturing in 3D with emphasis on stress intensity factors
Thomas-Peter Fries A unified enrichment scheme for fracture problems IOP Conference Series / Materials Science and Engineering 10, 2014 , DOI
Christian Dünser and Gernot Beer Isogeometric Boundary Element Method for the Simulation in Tunneling Applied Mechanics and Materials 553, 495-500, 2014 , DOI
Thomas-Peter Fries 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
Christian Dünser, Thomas-Peter Fries and Gernot Beer Isogeometric Boundary Element Method with Hierarchical MatricesProceedings of the jointly organized WCCM XI, ECCM V, ECFD VI2457-2468
Thomas-Peter Fries 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
Christian Dünser, Thomas-Peter Fries and Gernot Beer An Alternative Isogeometric Boundary Element FormulationIsogeometric Analysis and Applications (IGAA 2014)30-30
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
Christian Dünser, Thomas-Peter Fries and Gernot Beer Boundary Element Analysis with Trimmed NURBS and a Generalized IGA ApproachProceedings of the jointly organized WCCM XI, ECCM V, ECFD VI2445-2456
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)
Utilizing IFC for Indoor PositioningeWork and eBusiness in Architecture, Engineering and Construction: ECPPM 2014
2013
Christian Dünser and Gernot Beer Isogeometric boundary element method for the simulation of underground excavations Géotechnique Letters 3, 108-111, 2013 , DOI
Thomas-Peter Fries The XFEM with an explicit-implicit crack description for hydraulic fracture problemsEffective and Sustainable Hydraulic Fracturing711-724
Ulrich Walder LOBSTER Final Report
Thomas-Peter Fries The stable XFEM for two-phase flows Computers & fluids 87, 41-49, 2013 , DOI
Christian Dünser and Gernot Beer Isogeometric boundary element method for the simulation in tunnelingACCM 2013: 1st australasian conference on computational mechanics17-17
Christian Dünser and Gernot Beer Isogeometric Boundary Element Methods for TunnelingIABEM 2013 Symposium of the International Association for Boundary Element Methods100-106
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
Thomas-Peter Fries XFEM with hanging nodes for two-phase incompressible flow Computer Methods in Applied Mechanics and Engineering 245-246, 290-312, 2012 , DOI
Thomas-Peter 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
Thomas-Peter 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 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
Christian Dünser and Gernot Beer Boundary Element MethodsInnovative Numerical Modeling in Geomechanics281-298
Christian Dünser 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
Sequentieller Tunnelaushub mit der Finite Elemente Methode
A Fast Boundary Element Method with Hierarchical Matrices for Elastostatics and Plasticity
Gernot Beer A fast elasto-plastic formulation with hierarchical matrices and the boundary element method Computational Mechanics 2012, 1-11, 2012 , DOI
Christian Dünser and Gernot Beer Simulation of nonlinear problems in tunneling with the boundary element tearing and interconnecting methodBook of Abstracts306-306
Christian Dünser and Gernot Beer Simulation of Sequential Tunnel Excavation with the Boundary Element Tearing and Interconnecting MethodBook of Abstracts1-1
Gernot Beer Adaptive coupling of different numerical methodsLa Serena Numerica
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
Gernot Beer Iterative Coupling of Boundary and Discrete Element Method Using an Overlapping FEM Zone
Gernot Beer Adaptive coupling of the discrete and boundary element method for the simulation of problems in geotechnical engineering
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 Hanging nodes and XFEM International Journal for Numerical Methods in Engineering 86, 404-430, 2011 , DOI
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
Christian Dünser and Gernot Beer Innovative Simulationsmethoden im TunnelbauBaustatik Baupraxis 119-16
Playing a Game in Civil Engineering14th International Conference on Interactive Collaborative Learning (ICL2011) ̶ 11th International Conference Virtual University (vu'11)417-422
Baustatik Baupraxis 11
2010
Gernot Beer Fast BEM Simulations In Tunnelling
Gernot Beer Application of Hierarchical Matrices to a BEM Plasticity Algorithm in Tunnelling
Gernot Beer Accelerated BEM Simulations with Hierarchical Matrices applied to Tunnelling Problems
Thomas-Peter Fries Higher-order XFEM for curved strong and weak discontinuities International Journal for Numerical Methods in Engineering 82, 564-590, 2010 , DOI
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 The extended/generalized finite element method International Journal for Numerical Methods in Engineering 84, 253-304, 2010 , DOI
Thomas-Peter Fries Medical training simulators for bilateral sagittal split osteotomy and regional aneasthesia in virtual environmentsProceedings CURAC 2010137-140
Christian Dünser and Gernot Beer Computer Simulation of Conventional ConstructionTechnology Innovation in Underground Construction129-161
Implementation and Use of the UPC Soil Models with the Boundary Element Method
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