Joakim Sundnes

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Phone +47-67828295
Mobile phone +47-97722924
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Visiting address Gaustadalléen 23B Ole Johan Dahls hus 0373 OSLO
Postal address Postboks 1080 Blindern 0316 OSLO
Other affiliations Department for Informatics

Publications

  • Tveito, Aslak; Jæger, Karoline Horgmo; Lines, Glenn Terje; Paszkowski, Lukasz; Sundnes, Joakim; Edwards, Andrew; Mäki-Marttunen, Tuomo; Halnes, Geir & Einevoll, Gaute (2017). An evaluation of the accuracy of classical models for computing the membrane potential and extracellular potential for neurons. Frontiers in Computational Neuroscience.  ISSN 1662-5188.  11 . doi: 10.3389/fncom.2017.00027
  • Vagos, Marcia Raquel da Silva e Sousa; Arevalo, Hermenegild; de Oliveira, Bernardo Lino; Sundnes, Joakim & Maleckar, Mary Margot Catherine (2017). A computational framework for testing arrhythmia marker sensitivities to model parameters in functionally calibrated populations of atrial cells. Chaos.  ISSN 1054-1500.  27(9) . doi: 10.1063/1.4999476
  • Balaban, Gabriel; Alnæs, Martin Sandve; Sundnes, Joakim & Rognes, Marie Elisabeth (2016). Adjoint multi-start-based estimation of cardiac hyperelastic material parameters using shear data. Biomechanics and Modeling in Mechanobiology.  ISSN 1617-7959.  s 1- 13 . doi: 10.1007/s10237-016-0780-7
  • Johnsen, Gaute Floer; Sundnes, Joakim; Wengenroth, Jonas & Haugen, Håvard Jostein (2016). Methodology for Morphometric Analysis of Modern Human contralateral Premolars. Journal of computer assisted tomography.  ISSN 0363-8715.  40(4), s 617- 625 . doi: 10.1097/RCT.0000000000000417
  • Pezzuto, Simone; Hake, Johan Elon & Sundnes, Joakim (2016). Space-discretization error analysis and stabilization schemes for conduction velocity in cardiac electrophysiology. International Journal for Numerical Methods in Biomedical Engineering.  ISSN 2040-7939.  32(10) . doi: 10.1002/cnm.2762
  • de Oliveira, Bernardo Lino; Pfeiffer, Emily R.; Sundnes, Joakim; Wall, Samuel T & McCulloch, Andrew D. (2015). Increased cell membrane capacitance is the dominant mechanism of stretch-dependent conduction slowing in the rabbit heart: a computational study. Cellular and Molecular Bioengineering.  ISSN 1865-5025.  8(2), s 237- 246 . doi: 10.1007/s12195-015-0384-9
  • Sundnes, Joakim; Wall, Samuel Thomas; Osnes, Harald; Thorvaldsen, Tom & McCulloch, Andrew (2014). Improved discretisation and linearisation of active tension in strongly coupled cardiac electro-mechanics simulations. Computer Methods in Biomechanics and Biomedical Engineering.  ISSN 1025-5842.  17(6), s 604- 615 . doi: 10.1080/10255842.2012.704368
  • Campos, R.S.; Amorim, Ronan; De Oliveira, Bernardo Lino; Rocha, B. M.; Sundnes, Joakim; Barra, L. P. S.; Lobosco, M. & dos Santos, R.W. (2013). 3D Heart Modeling with Cellular Automata, Mass-Spring System and CUDA, In Victor Malyshkin (ed.),  Parallel Computing Technologies.  Springer.  ISBN 978-3-642-39957-2.  Artikkel.  s 296 - 309
  • De Oliveira, Bernardo Lino; Rocha, Bernardo M.; Barra, Luis Paulo da Silva; Toledo, Elson M.; Sundnes, Joakim & dos Santos, Rodrigo Weber (2013). Effects of deformation on transmural dispersion of repolarization using in silico models of human left ventricular wedge. International Journal for Numerical Methods in Biomedical Engineering.  ISSN 2040-7939.  29(12), s 1323- 1337 . doi: 10.1002/cnm.2570
  • Osnes, Harald & Sundnes, Joakim (2012). Uncertainty Analysis of Ventricular Mechanics Using the Probabilistic Collocation Method. IEEE Transactions on Biomedical Engineering.  ISSN 0018-9294.  59(8), s 2171- 2179 . doi: 10.1109/TBME.2012.2198473
  • Wall, Samuel Thomas; Guccione, Julius M.; Ratcliffe, Mary & Sundnes, Joakim (2012). Electromechanical feedback with reduced cellular connectivity alters electrical activity in an infarct injured left ventricle: a finite element model study. American Journal of Physiology. Heart and Circulatory Physiology.  ISSN 0363-6135.  302(1), s H206- H214 . doi: 10.1152/ajpheart.00272.2011
  • Langtangen, Hans Petter & Sundnes, Joakim (2010). Scientific Computing: Why - How - What - What's Next, In Aslak Tveito; Are Magnus Bruaset & Olav Lysne (ed.),  Simula Research Laboratory - by thinking constantly about it.  Springer.  ISBN 978-3-642-01155-9.  18.  s 237 - 248
  • Lines, Glenn Terje & Sundnes, Joakim (2010). Computer Simulations of the Heart, In Aslak Tveito; Are Magnus Bruaset & Olav Lysne (ed.),  Simula Research Laboratory - by thinking constantly about it.  Springer.  ISBN 978-3-642-01155-9.  20.  s 259 - 276
  • Hanslien, M; Artebrant, R; Sundnes, Joakim; Sundnes, Joakim; Tveito, Aslak & Tveito, Aslak (2009). An unconditionally stable second order method for the Luo-Rudy 1 model used in simulations of defibrillation. International Journal of Numerical Analysis & Modeling.  ISSN 1705-5105.  6(4), s 627- 641
  • Linge, Geir; Sundnes, Joakim; Sundnes, Joakim; Hanslien, Monica; Lines, Glenn Terje; Tveito, Aslak & Tveito, Aslak (2009). Numerical solution of the bidomain equations. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.  ISSN 1364-503X.  367(1895), s 1931- 1951
  • Linge, S; Sundnes, Joakim; Hanslien, M; Lines, Glenn Terje & Tveito, Aslak (2009). Numerical solution of the bidomain equations. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences.  ISSN 1364-503X.  367(1895), s 1931- 1950 . doi: 10.1098/rsta.2008.0306
  • Nielsen, Bjørn Fredrik; Cai, Xing; Sundnes, Joakim & Tveito, Aslak (2009). Towards a computational method for imaging the extracellular potassium concentration during regional ischemia. Mathematical Biosciences.  ISSN 0025-5564.  220(2), s 118- 130 . doi: 10.1016/j.mbs.2009.05.004
  • Ruud, Tomas Syrstad; Nielsen, Bjørn Fredrik; Lysaker, Marius & Sundnes, Joakim (2009). A Computationally Efficient Method for Determining the Size and Location of Myocardial Ischemia. IEEE Transactions on Biomedical Engineering.  ISSN 0018-9294.  56(2), s 263- 272 . doi: 10.1109/TBME.2008.2009068
  • Sundnes, Joakim; Artebrant, R; Skavhaug, Ola & Tveito, Aslak (2009). A Second-Order Algorithm for Solving Dynamic Cell Membrane Equations. IEEE Transactions on Biomedical Engineering.  ISSN 0018-9294.  56(10), s 2546- 2548 . doi: 10.1109/TBME.2009.2014739
  • Sundnes, Joakim; Sundnes, Joakim; Campos, R.S.; Amorium, R.M.; Costa, C.M.; de Oliveira, B.L.; Barbosa, C. & dos Santos, R.W. (2009). Aproaching Cardiac Modeling Challenges to Computer Science with CellMl-based Web Tools. Future generations computer systems.  ISSN 0167-739X.  26(3), s 462- 470
  • Linge, Svein; Lines, Glenn Terje; Sundnes, Joakim & Tveito, Aslak (2008). On the frequency of automaticity during ischemia in simulations based on stochastic perturbations of the Luo-Rudy 1 model. Computers in Biology and Medicine.  ISSN 0010-4825.  38(11-12), s 1218- 1227 . doi: 10.1016/j.compbiomed.2008.10.002
  • Hanslien, Monica; Sundnes, Joakim & Tveito, Aslak (2007). An unconditionally stable numerical method for the Luo-Rudy 1 model used in simulations of defibrillation. Mathematical Biosciences.  ISSN 0025-5564.  s 375- 392
  • Sundnes, Joakim; Nielsen, Bjørn Fredrik; Mardal, Kent-Andre; Cai, Xing; Lines, Glenn Terje & Tveito, Aslak (2006). On the computational complexity of the bidomain and the monodomain models of electrophysiology. Annals of Biomedical Engineering.  ISSN 0090-6964.  34(7), s 1088- 1097
  • Hanslien, Monica; Sundnes, Joakim & Lines, Glenn Terje (2005). Numerical simulations of cardiac arrhythmias and defibrillation, In B Skallerud & H. I. Andersson (ed.),  MEkIT'05. Third national conference on Computational Mechanics.  Tapir Akademisk Forlag.  ISBN 8251920523.  Kapittel.
  • Linge, Svein; Lines, Glenn Terje & Sundnes, Joakim (2005). Solving the heart mechanics equations with Newton and quasi Newton methods - a comparison. Computer Methods in Biomechanics and Biomedical Engineering.  ISSN 1025-5842.  8(1), s 1- 8
  • Thorvaldsen, Tom; Osnes, Harald & Sundnes, Joakim (2005). A Mixed Finite Element Formulation for a Non-Linear, Transversely Isotropic Material Model for the Cardiac Tissue. Computer Methods in Biomechanics and Biomedical Engineering.  ISSN 1025-5842.  8(6), s 369- 379
  • Thorvaldsen, Tom; Sundnes, Joakim & Osnes, Harald (2005). A Mixed Formulation for Modeling the Mechanical Bahavior of the Heart, In B Skallerud & H. I. Andersson (ed.),  MEkIT'05. Third national conference on Computational Mechanics.  Tapir Akademisk Forlag.  ISBN 8251920523.  Kapittel.  s 327 - 341
  • Lines, Glenn Terje; Sundnes, Joakim & MacLachlan, Mary Catherine (2005). Simulation of ST Segment Changes During Subendocardial Ischemia Using Realistic 3-D Cardiac Geometry. IEEE Transactions on Biomedical Engineering.  ISSN 0018-9294.  52(5), s 799- 807
  • Sundnes, Joakim; Lines, Glenn Terje & Tveito, Aslak (2005). An operator splitting method for solving the bidomain equations coupled to a volume conductor model for the torso. Mathematical Biosciences.  ISSN 0025-5564.  194(2), s 233- 248
  • Sundnes, Joakim & Lines, Glenn Terje (2003). Modeling the electro-mechanical behavior of an infarcted heart, In  MekIT'03, Second national conference on Computational Mechanics, Trondheim 8-9 May 2003.  Tapir Akademisk Forlag.  ISBN 82-519-1868-5.  Kapittel.
  • Sundnes, Joakim; Lines, Glenn Terje; Grøttum, Per & Tveito, Aslak (2003). Electrical activity in the human heart, In  Advanced topics in computational partial differential equations. Numerical methods and Diffpack programming.  Springer.  ISBN 3-540-01438-1.  Kap. 10.  s 401 - 449
  • Sundnes, Joakim; Lines, Glenn Terje; Mardal, Kent-Andre & Tveito, Aslak (2002). Multigrid block preconditioning for a coupled system of partial differential equations modeling the electrical activity in the heart. Computer Methods in Biomechanics and Biomedical Engineering.  ISSN 1025-5842.  5(6)
  • Lines, Glenn Terje; Buist, Martin L.; Grøttum, Per; Pullan, Andrew J.; Sundnes, Joakim & Tveito, Aslak (2002). Mathematical Models and Numerical Methods for the Forward Problem in Cardiac Electrophsysiology. Computing and Visualization in Science.  ISSN 1432-9360.
  • Sundnes, Joakim; Lines, Glenn Terje; Mardal, Kent-Andre & Tveito, Aslak (2002). Multigrid block preconditioning for a coupled system of partial differential equations modeling the electrical activity in cardiac cells. Computer Methods in Biomechanics and Biomedical Engineering.  ISSN 1025-5842.
  • Sundnes, Joakim; Lines, Glenn Terje & Tveito, Aslak (2001). Efficient solution of ordinary differential equations modeling electrical activity in cardiac cells. Mathematical Biosciences.  ISSN 0025-5564.  172, s 55- 72 Show summary

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  • Finsberg, Henrik Nicolay; Balaban, Gabriel; Sundnes, Joakim; Rognes, Marie Elisabeth; Odland, Hans Henrik; Ross, Stian Balnagown & Wall, Samuel (2016). Personalized Cardiac Mechanical Model using a High Resolution Contraction Field.
  • Finsberg, Henrik Nicolay; Balaban, Gabriel; Sundnes, Joakim; Rognes, Marie Elisabeth & Wall, Samuel Thomas (2016). Optimization of a Spatially Varying Cardiac Contraction parameter using the Adjoint Method.
  • dos Santos, Rodrigo Weber; Alonso, Sergio; Cherry, Elizabeth M. & Sundnes, Joakim (2015). Simulations of Heart Function. BioMed Research International.  ISSN 2314-6133.  2015:626378 . doi: 10.1155/2015/626378
  • Finsberg, Henrik Nicolay; Balaban, Gabriel; Sundnes, Joakim; Rognes, Marie Elisabeth; Odland, Hans Henrik; Wall, Samuel Thomas & Ross, Stian Balnagown (2015). Personalization of a Cardiac Computational Model using Clinical Measurements.
  • Johnsen, Gaute Floer; Wengenroth, Jonas; Sundnes, Joakim & Haugen, Håvard Jostein (2015). Morphometric Micro-CT Comparative Analyses of Contralateral Premolar Pulp Space.
  • Rognes, Marie Elisabeth; Balaban, Gabriel; Sundnes, Joakim & Alnæs, Martin Sandve (2015). Identifying the Parameters of the Heart: Variational Data Assimilation in Cardiac Mechanics Using Dolfin-Adjoint.
  • Balaban, Gabriel; Sundnes, Joakim; Alnæs, Martin Sandve & Rognes, Marie Elisabeth (2014). Least Squares Fitting of a Cardiac Hyperelasticity Model Using an Automatically Derived Adjoint Equation.
  • Hanslien, Monica; Sundnes, Joakim & Lines, Glenn Terje (2005). Numerical simulations of cardiac arrhythmias and defibrillation.
  • Lysaker, Ola Marius; Nielsen, Bjørn Fredrik; Tveito, Aslak; Lines, Glenn Terje; Sundnes, Joakim & Tarrou, C (2005). Kan man simulere et hjerteslag?.
  • Thorvaldsen, Tom; Osnes, Harald & Sundnes, Joakim (2005). A Mixed FEM for Modeling the Passive Mechanical Properties of the Myocardium.
  • Thorvaldsen, Tom; Sundnes, Joakim & Osnes, Harald (2005). A Mixed Formulation for Modeling the Mechanical Bahavior of the Heart.
  • Thorvaldsen, Tom; Sundnes, Joakim & Osnes, Harald (2005). Non-Linear Elasticity with Applications to Heart Mechanics.
  • Thorvaldsen, Tom; Osnes, Harald & Sundnes, Joakim (2004). Numerical Modeling of Isotropic, Hyperelastic Materials Undergoing Large Deformations.
  • Lines, Glenn Terje; Cai, Xing & Sundnes, Joakim (2003). Parallel algorithms for simulating the electrical activity of the heart.
  • Lines, Glenn Terje; Nielsen, Bjørn Fredrik; Tveito, Aslak; Sundnes, Joakim; Grøttum, Per; Cai, Xing & Mardal, Kent-Andre (2003). Computing the electrical activity in the human heart.
  • Sundnes, Joakim & Lines, Glenn Terje (2003). Modeling the electro-mechanical behavior of an infarcted heart.
  • Tveito, Aslak; Lines, Glenn Terje; Nielsen, Bjørn Fredrik; Sundnes, Joakim; Grøttum, Per; Cai, Xing & Mardal, Kent-Andre (2003). Computing the heart.
  • Tveito, Aslak; Lines, Glenn Terje; Sundnes, Joakim; Nielsen, Bjørn Fredrik; Grøttum, Per; Cai, Xing & Mardal, Kent-Andre (2003). Computing the electrical activity in the human heart.
  • Lines, Glenn Terje; Sundnes, Joakim; Tveito, Aslak; Cai, Xing; Mardal, Kent-Andre & Bruaset, Are Magnus (2002). Diffpack simulation of the electrical activity in the heart.
  • Lines, Glenn Terje; Sundnes, Joakim & Tveito, Aslak (2002). A Domain Embedding Strategy for Solving the Bidomain Equations on Complicated Geometries. Show summary
  • Sundnes, Joakim (2002). Numerical Methodes for simulating the electrical activity of the heart.
  • Sundnes, Joakim (2002). Numerical methods for simulating the electrical activity of the heart.
  • Sundnes, Joakim; Lines, Glenn Terje & Tveito, Aslak (2002). A second order scheme for solving the bidomain and forward problem.
  • Sundnes, Joakim; Lines, Glenn Terje; Mardal, Kent-Andre & Tveito, Aslak (2001). On numerical techniques for the bidomain model.
  • Sundnes, Joakim; Lines, Glenn Terje & Tveito, Aslak (2001). Efficient solution of ordinary differential equations modeling electrical activity in cardiac cell.
  • Sundnes, Joakim; Lines, Glenn Terje & Tveito, Aslak (2001). ODE-solvers for a stiff system arising in the modeling of the electrical activity in the heart.
  • Sundnes, Joakim; Lines, Glenn Terje & Tveito, Aslak (2000). An investigation of different solvers for stiff ODE systems.
  • Sundnes, Joakim; Lines, Glenn Terje & Tveito, Aslak (2000). Efficient solution of ordinary differential equations modeling electrical activity in cardiac cells.

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Published Nov. 4, 2010 2:20 PM - Last modified Mar. 15, 2011 8:48 AM