Joakim Sundnes
Chief Research Scientist/Research ProfessorDirector of SRL Research
- Department
- Administration and Management
- Organisation
- Simula Research Laboratory

- sundnes@simula.no
Publications
2023
Book Chapters
J. Cui, M. R. Domingo, R. Konno, C. A. Manetti, G. Kagugube, O. O. Odeigah and J. Sundnes
Impact of Pathological Vascular Remodelling on Right Ventricular Mechanics
Computational Physiology: Simula Summer School 2022- Student Reports
Journal Articles
Å. Telle, J. D. Trotter, X. Cai, H. Finsberg, M. Kuchta, J. Sundnes and S. Wall
A cell-based framework for modeling cardiac mechanics
Biomechanics and Modeling in Mechanobiology
Å. Telle, J. D. Trotter, X. Cai, H. Finsberg, M. Kuchta, J. Sundnes and S. Wall
A cell-based framework for modeling cardiac mechanics
Biomechanics and Modeling in Mechanobiology
J. Sundnes, L. C. Lee, S. Wall and D. Valdez-Jasso
Editorial: Computational models of cardiovascular growth and remodeling
Frontiers in Physiology
H. Kjeldsberg, J. Sundnes and K. Valen-Sendstad
A verified and validated moving domain computational fluid dynamics solver with applications to cardiovascular flows
International journal for numerical methods in biomedical engineering
J. Li, J. Sundnes, Y. Hou, M. Laasmaa, M. Ruud, A. Unger, T. R. Kolstad, M. Frisk, P. A. Norseng, L. Yang, I. E. Setterberg, E. S. Alves, M. Kalakoutis, O. M. Sejersted, J. T. Lanner, W. A. Linke, I. G. Lunde, P. P. de Tombe and W. E. Louch
Stretch Harmonizes Sarcomere Strain Across the Cardiomyocyte
Circulation Research
2022
Book Chapters
A. M. Bruaset, G. T. Lines and J. Sundnes
Data aggregation and anonymization for mathematical modeling and epidemiological studies
Smittestopp - A Case Study on Digital Contact Tracing
J. Sundnes and R. Rodríguez-Cantano
A Bayesian Approach to Parameter Estimation in Cardiac Mechanics
Solid (Bio) mechanics: Challenges of the Next Decade
Journal Articles
M. Albatat, H. Finsberg, H. Arevalo, J. Sundnes, J. Bergsland, I. Balasingham and H. H. Odland
Regional Left Ventricular Fiber Stress Analysis for Cardiac Resynchronization Therapy Response
Annals of Biomedical Engineering
J. T. Koivumäki, J. Hoffman, M. Maleckar, G. T. Einevoll and J. Sundnes
Computational cardiac physiology for new modelers: origins, foundations, and future
Acta Physiologica
O. O. Odeigah, D. Valdez-Jasso, S. Wall and J. Sundnes
Computational models of ventricular mechanics and adaptation in response to right-ventricular pressure overload
Frontiers in Physiology
Posters
O. Odeigah, J. Sundnes, M. Bennington and D. Valdez-Jasso
A computational model of right ventricular remodelling in the presence of pulmonary arterial hypertension
Biophysical Journal
H. Kjeldsberg
Impact of Rigid Versus Dynamic Boundaries on Computational Fluid Dynamics Predictor of Left Atrial Appendage Thrombus Formation
Talks, contributed
Å. Telle, J. D. Trotter, X. Cai, M. Kuchta, H. Finsberg, J. Sundnes and S. Wall
Modeling cardiac mechanics using a cell-based framework
15th World Congress on Computational Mechanics (WCCM-XV), Yokohama, Japan
Talks, invited
J. Sundnes, Å. Telle and S. Wall
A cell-based framework for modeling cardiac mechanics
International Symposium in honor of Professor Gerhard A. Holzapfel’s 60th birthday, Graz, Austria
H. Kjeldsberg, J. Sundnes and K. Valen-Sendstad
A mechanistic approach towards personalized treatment in patients with atrial fibrillation
University Heart & Vascular Center Hamburg - UKE
2021
Book Chapters
Å. Telle, S. Wall and J. Sundnes
Modeling Cardiac Mechanics on a Sub-Cellular Scale
Modeling Excitable Tissue: The EMI Framework
Journal Articles
S. M. Shavik, S. Wall, J. Sundnes, J. M. Guccione, P. Sengupta, S. D. Solomon, D. Burkhoff and L. C. Lee
Computational Modeling Studies of the Roles of Left Ventricular Geometry, Afterload, and Muscle Contractility on Myocardial Strains in Heart Failure with Preserved Ejection Fraction
Journal of Cardiovascular Translational Research
A. Elmokashfi, J. Sundnes, A. Kvalbein, V. Naumova, S. Reinemo, P. M. Florvaag, H. K. Stensland and O. Lysne
Nationwide rollout reveals efficacy of epidemic control through digital contact tracing
Nature Communications
M. Vagos, H. Arevalo, J. Heijman, U. Schotten and J. Sundnes
A computational study of the effects of tachycardia-induced remodelling on calcium wave propagation in rabbit atrial myocytes
Frontiers in Physiology
Posters
H. Martinez-Navarro, E. Espe, O. Odeigah, I. Sjaastad and J. Sundnes
Assessment of left ventricular mechanics in right ventricular overload using in silico rat models
European Heart Journal
2020
Books
J. Sundnes
Introduction to scientific programming with Python
Simula SpringerBriefs on Computing
Journal Articles
V. Timmermann, A. T. Quinn, J. Sundnes, S. Wall, A. D. McCulloch and A. G. Edwards
A computational study on integrated mechanisms of mechano-electric feedback in ischemic arrhythmogenesis
SAGE
M. Albatat, J. Bergsland, H. Arevalo, H. H. Odland, S. Wall, J. Sundnes and I. Balasingham
Multisite pacing and myocardial scars: a computational study
Computer Methods in Biomechanics and Biomedical Engineering
M. Vagos, H. Arevalo, J. Heijman, U. Schotten and J. Sundnes
A novel computational model of the rabbit atrial cardiomyocyte with spatial calcium dynamics
Frontiers in Physiology
M. Albatat, H. Finsberg, H. Arevalo, J. Sundnes, J. Bergsland, I. Balasingham and H. H. Odland
Regional Left Ventricular Fiber Stress Analysis for Cardiac Resynchronization Therapy Response
Journal of Cardiovascular Electrophysiology
J. O. Campos, J. Sundnes, R. W. d. Santos and B. M. Rocha
Uncertainty quantification and sensitivity analysis of left ventricular function during the full cardiac cycle
Philosophical Transactions of the Royal Society A
2019
Journal Articles
R. Rodríguez-Cantano, J. Sundnes and M. E. Rognes
Uncertainty in cardiac myofiber orientation and stiffnesses dominate the variability of left ventricle deformation response
International Journal for Numerical Methods in Biomedical Engineering
V. Timmermann, A. G. Edwards, S. Wall, J. Sundnes and A. D. McCulloch
Arrhythmogenic current generation by myofilament-triggered Ca2+ release and sarcomere heterogeneity
Biophysical Journal
S. Kallhovd, J. Sundnes and S. Wall
Sensitivity of stress and strain calculations to passive material parameters in cardiac mechanical models using unloaded geometries
Computer Methods in Biomechanics and Biomedical Engineering
H. Finsberg, C. Xi, X. Zhao, J. Le Tan, M. Genet, J. Sundnes, L. C. Lee, L. Zhong and S. Wall
Computational quantification of patient-specific changes in ventricular dynamics associated with pulmonary hypertension
American Journal of Physiology-Heart and Circulatory Physiology
J. O. Campos, J. Sundnes, R. W. d. Santos and B. M. Rocha
Effects of left ventricle wall thickness uncertainties on cardiac mechanics
Biomechanics and Modeling in Mechanobiology
Talks, contributed
V. Timmermann, J. Sundnes, S. Wall, A. D. McCulloch and A. G. Edwards
A one-dimensional computational study of mechano-electric feedback and arrhythmogenic current generation
Gordon Research Conference "Cardiac Arrhythmia Mechanisms", Barga, Italy
Proceedings, refereed
V. Timmermann, K. Vincent, J. Sundnes and A. D. McCulloch
Mechano-electric feedback and arrhythmogenic current generation in a computational model of coupled myocytes
ICBME2019--YC Fung 100th Birthday Conference
2018
Book Chapters
S. Behdadfar, L. Navarro, J. Sundnes, M. Maleckar, H. H. Odland and S. Avril
Abnormal Tissue Zone Detection and Average Active Stress Estimation in Patients with LV Dysfunction
Medical and Biological Image Analysis
S. Behdadfar, L. Navarro, J. Sundnes, M. Maleckar, H. H. Odland and S. Avril
Abnormal Tissue Zone Detection and Average Active Stress Estimation in Patients with LV Dysfunction
Medical and Biological Image Analysis
Journal Articles
H. Finsberg, C. Xi, J. Le Tan, L. Zhong, M. Genet, J. Sundnes, L. C. Lee and S. Wall
Efficient estimation of personalized biventricular mechanical function employing gradient-based optimization
International Journal for Numerical Methods in Biomedical Engineering
G. Balaban, H. Finsberg, S. W. Funke, T. F. Håland, E. Hopp, J. Sundnes, S. Wall and M. E. Rognes
In vivo estimation of elastic heterogeneity in an infarcted human heart
Biomechanics and Modeling in Mechanobiology
M. Vagos, I. G. M. van Herck, J. Sundnes, H. Arevalo, A. G. Edwards and J. Koivumäki
Computational Modeling of Electrophysiology and Pharmacotherapy of Atrial Fibrillation: Recent Advances and Future Challenges
Frontiers in Physiology
J. O. Campos, R. W. d. Santos, J. Sundnes and B. M. Rocha
Preconditioned augmented Lagrangian formulation for nearly incompressible cardiac mechanics
International Journal for Numerical Methods in Biomedical Engineering
S. Behdadfar, L. Navarro, J. Sundnes, M. Maleckar, S. Ross, H. H. Odland and S. Avril
A Centerline-Based Model Morphing Algorithm for Patient-Specific Finite Element Modeling of the Left Ventricle
IEEE Transactions on Biomedical Engineering
M. R. Vagos, J. Heijman, H. Arevalo, M. Maleckar, B. L. de Oliveira, U. Schotten and J. Sundnes
A Novel Computational Model of the Rabbit Atrial Myocyte Offers Insight into Calcium Wave Propagation Failure
Biophysical Journal
Posters
M. Vagos, J. Heijman, H. Arevalo, M. Maleckar, B. L. de Oliveira, U. Schotten and J. Sundnes
A Novel Computational Model of the Rabbit Atrial Myocyte Offers Insight into Calcium Wave Propagation Failure
Biophysical Journal
H. Finsberg, C. Xi, Z. Xiaodan, J. Le Tan, M. Genet, J. Sundnes, L. C. Lee, L. Zhong and S. Wall
Adjoint Based Personalization of Mechanical Models for Quantification of Right Ventricular Failure in Pulmonary Hypertension
Y. Aboelkassem, K. J. McCabe, G. Huber, J. Sundnes and A. D. McCulloch
Turning the Azimuthal Motions of Adjacent Tropomyosins into a Coupled N-body Problem in a Brownian Model of Cardiac Thin Filament Activation
Biophysical Journal
Talks, contributed
S. Wall, H. Finsberg, G. Balaban, J. Sundnes and L. C. Lee
Adjoint Based Data Assimilation for Quantification of Dynamic Mechanical Behavior of the Heart
World Congress of Biomechanics, New York, USA
V. Timmermann, J. Sundnes, S. Wall, A. D. McCulloch and A. G. Edwards
A computational study of the contribution of mechano-electric feedback to arrhythmogenic current generation
Berlin, Germany
Proceedings, refereed
M. Albatat, R. King, L. Unger, H. Arevalo, S. Wall, J. Sundnes, J. Bergsland and I. Balasingham
Electromechanical Model to Predict Cardiac Resynchronization Therapy
2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
2017
Journal Articles
G. Balaban, H. Finsberg, H. H. Odland, M. E. Rognes, S. Ross, J. Sundnes and S. Wall
High resolution data assimilation of cardiac mechanics
International journal for numerical methods in biomedical engineering
A. Tveito, K. H. Jæger, G. T. Lines, Ł. Paszkowski, J. Sundnes, A. G. Edwards, T. Mäki-Marttunen, G. Halnes and G. T. Einevoll
An Evaluation of the Accuracy of Classical Models for Computing the Membrane Potential and Extracellular Potential for Neurons
Frontiers in Computational Neuroscience
M. Vagos, H. Arevalo, B. L. de Oliveira, J. Sundnes and M. Maleckar
A computational framework for testing arrhythmia marker sensitivities to model parameters in functionally calibrated populations of atrial cells
Chaos
H. Finsberg, G. Balaban, S. Ross, T. F. Håland, H. H. Odland, J. Sundnes and S. Wall
Estimating cardiac contraction through high resolution data assimilation of a personalized mechanical model
Journal of Computational Science
V. Timmermann, L. A. Dejgaard, K. H. Haugaa, A. G. Edwards, J. Sundnes, A. D. McCulloch and S. Wall
An integrative appraisal of mechano-electric feedback mechanisms in the heart
Progress in biophysics and molecular biology
S. Behdadfar, L. Navarro, J. Sundnes, M. Maleckar, S. Ross, H. H. Odland and S. Avril
A Centerline Based Model Morphing Algorithm for Patient-Specific Finite Element Modelling of the Left Ventricle
IEEE Transactions on Biomedical Engineering
M. R. Vagos, H. Arevalo, B. L. de Oliveira, J. Sundnes and M. Maleckar
A computational framework for testing arrhythmia marker sensitivities to model parameters in functionally calibrated populations of atrial cells
Chaos: An Interdisciplinary Journal of Nonlinear Science
S. Behdadfar, L. Navarro, J. Sundnes, M. Maleckar, S. Ross, H. H. Odland and S. Avril
A centerline-based model morphing algorithm for patient-specific finite element modeling of the left ventricle
IEEE Transactions on Biomedical Engineering
S. Behdadfar, L. Navarro, J. Sundnes, M. Maleckar and S. Avril
Importance of material parameters and strain energy function on the wall stresses in the left ventricle
Computer methods in biomechanics and biomedical engineering
Posters
H. Finsberg, C. Xi, J. Tan, L. Zhong, L. Lee, J. Sundnes and S. Wall
Mechanical Analysis of Pulmonary Hypertension via Adjoint based Data Assimilation of a Finite Element Model
V. Timmermann, S. Wall, J. Sundnes, T. A. Quinn and A. G. Edwards
Integrated Mechanisms of Mechano-Electric Feedback in Ischemic Arrhythmogenesis
Talks, contributed
B. L. de Oliveira and J. Sundnes
A Computational Model for the Identification of Atrial Stunning Pathways
2017 EMI International Conference
H. Finsberg, J. Aalen, C. Larsen, E. Remme, J. Sundnes, O. A. Smiseth and S. Wall
Assessment of regional myocardial work through adjoint-based data assimilation
Oslo, Norway
V. Timmermann, A. G. Edwards, J. Sundnes, A. D. McCulloch, S. Wall and T. A. Quinn
Integrated Mechanisms of Mechano-Electric feedback in Ischemic Arrhythmogenesis
Bergen, Norway
2016
Proceedings, non-refereed
H. Finsberg
Optimization of a Spatially Varying Cardiac Contraction parameter using the Adjoint Method
FEniCS'16
Journal Articles
G. Balaban, M. S. Alnæs, J. Sundnes and M. E. Rognes
Adjoint Multi-Start Based Estimation of Cardiac Hyperelastic Material Parameters using Shear Data
Biomechanics and Modeling in Mechanobiology
S. Pezzuto, J. E. Hake and J. Sundnes
Space-discretization error analysis and stabilization schemes for conduction velocity in cardiac electrophysiology
International Journal for Numerical Methods in Biomedical Engineering
L. C. Lee, J. Sundnes, M. Genet and S. Wall
Physics-based computer simulation of the long-term effects of cardiac regenerative therapies
Technology
G. F. Johnsen, J. Sundnes, J. Wengenroth and H. J. Haugen
Methodology for morphometric analysis of modern human contralateral premolars
Journal of Computer Assisted Tomography
L. C. Lee, J. Sundnes, M. Genet, J. F. Wenk and S. Wall
An integrated electromechanical-growth heart model for simulating cardiac therapies
Biomechanics and modeling in mechanobiology
Posters
H. Finsberg
Patient Specific Modeling of Cardiac Mechanics using the Active Strain Formulation
Geilo Winter School
V. Timmermann, A. G. Edwards, J. Sundnes, A. D. McCulloch and S. Wall
Role of Electromechanical Feedback in Mitral Valve Prolapse Arrhythmia
Talks, contributed
J. Sundnes, S. Kallhovd and S. Wall
Impact of material parameter variations on stress in patient specific models of the heart
World Congress on Computational Mechanics, Seoul, South Korea
Proceedings, refereed
H. Finsberg, G. Balaban, J. Sundnes, M. E. Rognes, H. H. Odland, S. Ross and S. Wall
Personalized Cardiac Mechanical Model using a High Resolution Contraction Field
VPH16 Translating VPH to the Clinic
B. L. de Oliveira and J. Sundnes
Comparison of tetrahedral and hexahedral meshes for finite element simulation of cardiac electro-mechanics
VII European Congress on Computational Methods in Applied Sciences and Engineering
Talks, invited
J. Sundnes, S. Kallhovd and S. Wall
Impact of material parameter uncertainty on stress in patient specific models of the heart
SIAM Conference on uncertainty quantification, Lausanne, Switzerland
2015
Book Chapters
J. Sundnes
Bidomain Model: Computation
Encyclopedia of Applied and Computational Mathematics
J. Sundnes
Electro-Mechanical Coupling in Cardiac Tissue
Encyclopedia of Applied and Computational Mathematics
Proceedings, non-refereed
H. Finsberg, G. Balaban and M. E. Rognes
Personalization of a Cardiac Compuational Model using Clinical Measurements
28th Nordic Seminar on Computational Mechanics
Journal Articles
B. L. de Oliveira, J. Sundnes, S. Wall and A. D. McCulloch
Increased Membrane Capacitance Is the Dominant Mechanism of Stretch-Dependent Conduction Slowing in the Rabbit Heart: a Computational Study
Cellular and Molecular Bioengineering
L. C. Lee, J. Sundnes, M. Genet, J. F. Wenk and S. Wall
An integrated electromechanical-growth heart model for simulating cardiac therapies
Biomechanics and Modeling in Mechanobiology
S. Land, S. Arens, C. M. Augustin, L. Baron, S. Castro, A. Crozier, M. Favino, T. E. Fastl, T. Fritz, H. Gao, A. Gizzi, B. E. Griffith, D. E. Hurtado, R. Krause, X. Luo, M. P. Nash, S. Pezzuto, G. Plank, S. Rossi, D. Ruprecht, G. Seemann, N. P. Smith, J. Sundnes, J. Rice, N. A. Trayanova, D. Wang, Z. J. Wang and S. A. Niederer
Verification of cardiac mechanics software: benchmark problems and solutions for testing active and passive material behaviour
Proceedings of the Royal Society A
Miscellaneous
R. W. d. Santos, S. Alonso, E. M. Cherry and J. Sundnes
Simulations of Heart Function (editorial)
BioMed Research International
Posters
J. Sundnes, S. Wall, V. Timmermann and A. Tveito
Mechano-electric feedback as a source of ectopic activity
Gordon Research Conference on Arrhythmia Mechanisms, Lucca, Italy
Talks, contributed
M. E. Rognes, G. Balaban, J. Sundnes and M. S. Alnæs
Identifying the Parameters of the Heart: Variational Data Assimilation in Cardiac Mechanics Using Dolfin-Adjoint
FEniCS '15, Imperial College London, UK
J. Sundnes and S. Wall
Modeling growth and remodeling in heart muscle tissue
SIAM Conference on Computational Science and Engineering
S. Kallhovd, J. Sundnes and S. Wall
Significance of passive material parameters in mechanical models of the heart
Lugano, Switzerland
Proceedings, refereed
S. U. Gjerald, J. E. Hake, S. Pezzuto, J. Sundnes and S. Wall
Patient–Specific Parameter Estimation for a Transversely Isotropic Active Strain Model of Left Ventricular Mechanics
Statistical Atlases and Computational Models of the Heart-Imaging and Modelling Challenges
Talks, invited
J. Sundnes, S. U. Gjerald and S. Wall
Computational models of electro-mechanical interactions in the heart
University of Uppsala
G. Balaban
Dyssynchronous Left Ventricular Stress Estimation
Workshop on Advanced Numerical Techniques in Biomedical Computing: Simula Research Laboratory
2014
Book Chapters
S. U. Gjerald, J. E. Hake, S. Pezzuto, J. Sundnes and S. Wall
Patient–Specific Parameter Estimation for a Transversely Isotropic Active Strain Model of Left Ventricular Mechanics
Lecture Notes in Computer Science
Proceedings, non-refereed
G. Balaban, J. Sundnes, M. S. Alnæs and M. E. Rognes
Least Squares Fitting of a Cardiac Hyperelasticity Model Using an Automatically Derived Adjoint Equation
Proceedings of NSCM-27: the 27th Nordic Seminar on Computational Mechanics
Journal Articles
S. T. Ziaratgahi, M. Marsh, J. Sundnes and R. J. Spiteri
Stable Time Integration Suppresses Unphysical Oscillations in the Bidomain Model
Frontiers in Physics
J. Sundnes, S. Wall, H. Osnes, T. Thorvaldsen and A. D. McCulloch
Improved Discretisation and Linearisation of Active Tension in Strongly Coupled Cardiac Electro-Mechanics Simulations
Computer Methods in Biomechanics and Biomedical Engineering
Talks, contributed
J. Sundnes and H. Narayanan
A Continuum Model for Active Cardiac Muscle
World congress on Computational Mechanics, Barcelona, Spain
Talks, keynote
J. Sundnes
Computational Models of Electro-Mechanical Interactions in the Heart
The Nordic Seminar on Computational Mechanics, Stockholm
Talks, invited
J. Sundnes, S. Wall, S. U. Gjerald, J. E. Hake and B. L. de Oliveira
Patient Specific Models of Cardiac Electro-Mechanics
Seminar at Ecole des Mines, St Etienne, France
J. Sundnes, S. Wall, S. Pezzuto, J. E. Hake and B. L. de Oliveira
Computational Models of Electro-Mechanical Interactions in the Heart
Invited mini symposium presentation at the European Conference for Mathematics in Industry, Taormina, Italy.
2013
Journal Articles
B. L. de Oliveira, L. P. d. S. Barra, E. M. Toledo, J. Sundnes and R. W. d. Santos
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
Posters
B. L. de Oliveira, S. Wall and J. Sundnes
The Effects of Mechanoelectrical Feedback on Conduction Velocity: a Computational Study
Talks, contributed
S. Wall and J. Sundnes
Strongly Coupled Electromechanical Models of the Heart
Biomechanics and Medical Imaging Mini-Symposium, UCSF
J. Sundnes and S. Wall
Computational Models of Electro-Mechanical Interactions in the Heart
SIAM conference on computational science and engineering, Boston
S. Wall, J. Sundnes and J. Guccione
Evaluation of Cardiac Tissue Engineering Applications Using Strongly Coupled Electromechanical Models of the Left Ventricle
Computer Methods in Biomechanics and Biomedical Engineering, Utah
J. Sundnes, S. Wall, S. U. Gjerald, J. E. Hake and B. L. de Oliveira
Patient-Specific Models of Cardiac Electro-Mechanics
Federal University of Juiz de Fora
Proceedings, refereed
R. S. Campos, R. M. Amorim, B. L. de Oliveira, J. Sundnes, L. P. d. S. Barra, M. Lobosco and R. W. d. Santos
3D Heart Modeling With Cellular Automata, Mass-Spring System and CUDA
Parallel computing technologies
2012
Journal Articles
S. Wall, J. Guccione, M. Ratcliffe and J. Sundnes
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
H. Osnes and J. Sundnes
Uncertainty Analysis of Ventricular Mechanics Using the Probabilistic Collocation Method
IEEE Transactions on Biomedical Engineering
Posters
B. L. de Oliveira, S. Wall and J. Sundnes
Multiple Mechanoelectrical Feedback Mechanisms Affect Conduction Velocity
Talks, contributed
B. L. de Oliveira, S. Wall and J. Sundnes
Multiple Mechanoelectrical Feedback Mechanisms Affect Conduction Velocity
CaMo/CMRG Workshop, San Diego
B. L. de Oliveira, S. Wall and J. Sundnes
Impact of Mechanical Deformation on Conduction Velocity of Cardiac Tissue
World Congress on Computational Mechanics
J. Sundnes and S. Wall
Computer Simulations of Electro-Mechanical Interactions in the Heart
CBC Workshop on Adjoint-Based Methods for Transient Problems: Software and Applications
J. Sundnes and S. Wall
On the Stability of Operator Splitting Schemes for Strongly Coupled Cardiac Electro-Mechanics
World Congress on Computational Mechanics, Sao Paulo, Brazil
J. Sundnes and S. Wall
Strongly Coupled Simulations of Cardiac Electro-Mechanics
CBC seminar
Talks, invited
J. Sundnes and S. Wall
Numerical Methods for Strongly Coupled Simulations of Cardiac Electro-Mechanics
Workshop on efficient solvers in biomedical applications, Graz, Austria
J. Sundnes and S. Wall
Computer Models of Electro-Mechanical Interactions in the Contracting Heart
Workshop on computational models in biomedicine, Federal University of Juiz de Fora, Brazil
J. Sundnes and S. Wall
Computer Models of Electro-Mechanical Interactions in the Contracting Heart
Seminar at the Norwegian Defence Research Establishment
J. Sundnes, S. Wall and S. U. Gjerald
Towards Patient-Specific Models of Strongly Coupled Cardiac Electro-Mechanics
Cardiac Physiome Workshop, San Diego
J. Sundnes and S. Wall
Computational Models of Electro-Mechanical Interactions in the Infarct Injured Heart
National PhD conference in medical Imaging, Trondheim, Norway
2011
Talks, invited
J. Sundnes and S. Wall
Strongly Coupled Electro-Mechanics Simulations of the Infarct Injured Heart
Workshop on cardiac modeling, Federal University of Juiz de Fora, Brazil
J. Sundnes and S. Wall
Strongly Coupled Electro-Mechanics Simulations of the Infarct Injured Heart
Computational Science Seminar, University of Basel, Switzerland
J. Sundnes and S. Wall
Strongly Coupled Electro-Mechanics Simulations of the Infarct Injured Heart
International Conference on Numerical Methods and Applied Mathematics, Greece
J. Sundnes
Kan Vi Regne Ut Hvordan Hjertet Virker?
Idefestivalen, University of Oslo
2010
Talks, contributed
A. Blechingberg, K. Mardal, F. Strisland, J. Sundnes, T. O. Rognum, Å. Vege, M. Weensvangen and A. Stray-Pedersen
The Baby Justicia Project: Biomechanical Investigations of the Shaken Baby Syndrome (SBS)
WCB2010, Seminar session, Head/Brain Injury - Models
J. Sundnes
Discontinuous Rate Function in Cardiac Cell Models
Proceedings, refereed
M. Cannataro, R. W. d. Santos and J. Sundnes
Biomedical and Bioinformatics Challenges to Computer Science
Proceedings of the International Conference on Computational Science, ICCS
B. L. de Oliveira, J. Sundnes and R. W. d. Santos
The Development of a New Computational Model for the Electromechanics of the Human Myocyte
2010 Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
M. Hanslien, N. Holden and J. Sundnes
A Note on Discontinuous Rate Functions for the Gate Variables in Mathematical Models of Cardiac Cells
Proceedings of the International Conference on Computational Science, ICCS
2009
Book Chapters
H. P. Langtangen and J. Sundnes
Scientific Computing: Why - How - What - What's Next
Simula Research Laboratory - by thinking constantly about it
G. T. Lines and J. Sundnes
Computer Simulations of the Heart
Simula Research Laboratory - by thinking constantly about it
Journal Articles
B. F. Nielsen, X. Cai, J. Sundnes and A. Tveito
Towards a Computational Method for Imaging the Extracellular Potassium Concentration During Regional Ischemia
Mathematical Biosciences
T. S. Ruud, B. F. Nielsen, O. M. Lysaker and J. Sundnes
A Computationally Efficient Method for Determining the Size and Location of Myocardial Ischemia
IEEE Transactions on Biomedical Engineering
M. Hanslien, R. Artebrant, J. Sundnes and A. Tveito
An Unconditionally Stable Second Order Method for the Luo-Rudy 1 Model Used in Simulations of Defibrillation
International Journal of Numerical Analysis and Modeling
J. Sundnes, R. Artebrant, O. Skavhaug and A. Tveito
A Second Order Algorithm for Solving Dynamic Cell Membrane Equations
IEEE Transactions on Biomedical Engineering
S. Linge, J. Sundnes, M. Hanslien, G. T. Lines and A. Tveito
Numerical Solution of the Bidomain Equations
Philosophical Transactions of the Royal Society A
R. S. Campos, R. M. Amorim, C. M. Costa, B. L. de Oliveira, C. Barbosa, J. Sundnes and R. W. d. Santos
Aproaching Cardiac Modeling Challenges to Computer Science With CellMl-Based Web Tools
Future Generation Computer Systems
Posters
S. Wall, J. Sundnes, M. Ratcliffe and J. Guccione
Electromechanical Modeling of the Infarct Injured Failing Ovine Heart
Talks, contributed
J. Sundnes, S. Wall and H. Osnes
Computer Modeling of Cardiac Electro-Mechanics - Models and Numerical Methods
Talk at Cardiac Modeling seminar, Simula Research Laboratory
J. Sundnes
Multiscale Models of Physiological Systems
Guest lecture at the course Bioinformatics for molecular biology, University of Oslo
J. Sundnes, S. Wall and H. Osnes
Simulation of Strongly Coupled Electro-Mechanics in an Infarcted Left Ventricle
Invited talk at the workshop Bidomain 2009, University of Graz
Proceedings, refereed
H. Osnes, S. Clark and J. Sundnes
Uncertainty Analysis of the Mechanics of the Heart
Proceedings of the Twenty Second Nordic Seminar on Computational Mechanics
B. M. Rocha, B. L. de Oliveira, R. W. d. Santos, E. T. Magalhães, L. P. d. S. Barra and J. Sundnes
A Two Dimensional Model of Coupled Electromechanics in Cardiac Tissue
Proceedings of the World Congress on Medical Physics and Biomedical Engineering
M. Cannataro, R. W. d. Santos and J. Sundnes
Bioinformatics' Challenges to Computer Science: Bioinformatics Tools and Biomedical Modeling
Proceedings of the International Conference on Computational Science, ICCS
2008
Journal Articles
S. Linge, G. T. Lines, J. Sundnes and A. Tveito
On the Frequency of Automaticity During Ischemia in Simulations Based on Stochastic Perturbations of the Luo-Rudy 1 Model
Computers in Biology and Medicine
M. Hanslien, J. Sundnes and N. Holden
A Note on Discontinues Rate Functions for the Gate Variables in Mathematical Models of Cardiac Cells
Procedia Computer Science
Talks, contributed
J. Sundnes
Computational Challenges in Mathematical Models of the Heart
Talk at Norwegian University of Life Sciences, January 30th
Proceedings, refereed
M. Cannataro, M. Romberg, R. W. d. Santos and J. Sundnes
Bioinformatics' Challenges to Computer Science
Proceedings of the 8th international conference on Computational Science, Part III
2007
Journal Articles
M. C. MacLachlan, J. Sundnes and R. J. Spiteri
A Comparison of Non-Standard Solvers for ODEs Describing Cellular Reactions in the Heart
Computer Methods in Biomechanics and Biomedical Engineering
M. C. MacLachlan, J. Sundnes, O. Skavhaug, O. M. Lysaker, B. F. Nielsen and A. Tveito
A Linear System of Partial Differential Equations Modeling the Resting Potential of a Heart With Regional Ischemia
Mathematical Biosciences
M. Hanslien, J. Sundnes and A. Tveito
An Unconditionally Stable Numerical Method for the Luo-Rudy 1 Model Used in Simulations of Defibrillation
Mathematical Biosciences
Talks, contributed
J. Sundnes
Using Mathematical Models to Test Physiological Hypotheses
Invited talk at the annual meeting of the Scandinavian Physiological Society
M. S. Alnæs, K. Mardal and J. Sundnes
Application of Symbolic Finite Element Tools to Nonlinear Hyperelasticity
Talk at MekIT'07: Fourth National Conference on Computational Mechanics
J. Sundnes
Computational Techniques for Heart Muscle Mechanics
Minisymposium talk at ICIAM 07, Zurich
J. Sundnes
Software Components for Biomedical Flows
National seminar on medical technology, NFA (Norsk forening for automatisering)
J. Sundnes, M. S. Alnæs and K. Mardal
A Finite Element Model of Cardiac Electrophysiology and Mechanics
VII International conference on computational plasticity
Proceedings, refereed
M. S. Alnæs, K. Mardal and J. Sundnes
Application of Symbolic Finite Element Tools to Nonlinear Hyperelasticity
Fourth national conference on Computational Mechanics (MekIT'07)
2006
Books
J. Sundnes, G. T. Lines, X. Cai, B. F. Nielsen, K. Mardal and A. Tveito
Computing the Electrical Activity in the Heart
Journal Articles
J. Sundnes, B. F. Nielsen, K. Mardal, X. Cai, G. T. Lines and A. Tveito
On the Computational Complexity of the Bidomain and the Monodomain Models of Electrophysiology
Annals of Biomedical Engineering
Talks, contributed
B. F. Nielsen, O. M. Lysaker, X. Cai, K. Mardal, C. Tarrou, M. C. MacLachlan, J. Sundnes, G. T. Lines and A. Tveito
Computational Issues in Heart Modeling
Presented at the Johann Radon Institute for Computational and Applied Mathematics, Linz, Austria
B. F. Nielsen, O. M. Lysaker, C. Tarrou, J. Sundnes, X. Cai and K. Mardal
On the Use of the Bidomain Equations for Computing the Transmembrane Potential Throughout the Heart Wall: an Inverse Problem
Presented at the Computers in Cardiology conference in Valencia, Spain
H. P. Langtangen and J. Sundnes
Introduction to Heart Muscle Mechanics-Basic Concepts of Muscle Contraction and Soft Tissue Mechanics.
Lecture at Svalbard summer school
M. Hanslien, J. Sundnes, G. T. Lines and A. Tveito
Simulating Electrical Activity in the Heart
Presented at St Jude Medical, Stockholm, Sweeden
M. Hanslien, J. Sundnes and A. Tveito
Simulations of Reentrant Arrhythmias in the Heart, and Defibrillation As a Treatment
Presented at NADA, KTH, Sweeden
Proceedings, refereed
B. F. Nielsen, O. M. Lysaker, C. Tarrou, J. Sundnes, X. Cai and K. Mardal
On the Use of the Bidomain Equations for Computing the Transmembrane Potential Throughout the Heart Wall: an Inverse Problem
Computers in Cardiology 2006
2005
Journal Articles
M. C. MacLachlan, J. Sundnes and G. T. Lines
Simulation of ST Segment Changes During Subendocardial Ischemia Using a Realistic 3-D Cardiac Geometry
IEEE Transactions on Biomedical Engineering
T. Thorvaldsen, H. Osnes and J. Sundnes
A Mixed Finite Element Formulation for a Nonlinear, Transversely Isotropic Material Model for the Cardiac Tissue
Computer Methods in Biomechanics and Biomedical Engineering
J. Sundnes, G. T. Lines and A. Tveito
An Operator Splitting Method for Solving the Bidomain Equations Coupled to a Volume Conductor Model for the Torso
Mathematical Biosciences
S. Linge, G. T. Lines and J. Sundnes
Solving the Heart Mechanics Equations With Newton and Quasi Newton Methods - a Comparison
Computer Methods in Biomechanics and Biomedical Engineering
Talks, contributed
O. M. Lysaker, B. F. Nielsen, A. Tveito, G. T. Lines, J. Sundnes and C. Tarrou
Kan Man Simulere Et Hjerteslag?
LAMIS - SOMMERKURS Matematikk - med røtter og vinger, Asker
T. Thorvaldsen, H. Osnes and J. Sundnes
A Mixed FEM for Modeling the Passive Mechanical Properties of the Myocardium
Talk at the SIAM Conference on Computational Science & Engineering
J. Sundnes, M. Hanslien and A. Tveito
An Unconditionally Stable Numerical Method for the Luo-Rudy I Model Used in Defibrillation
Presented at Tulane University, New Orleans
J. Sundnes
Computing the Electrical Activity in the Heart
Presented at the Department of Mathematics, University of Oslo
Proceedings, refereed
T. Thorvaldsen, J. Sundnes and H. Osnes
A Mixed Formulation for Modeling the Mechanical Bahavior of the Heart
MekIt05 - Third national conference om Computational Mechanics, Trondheim May 11-12
M. Hanslien, J. Sundnes and G. T. Lines
Numerical Simulations of Cardiac Arrhythmias and Defibrillation
MekIT'05 - Third national conference on Computational Mechanics, Trondheim, Norway May 11-12
Technical reports
T. Thorvaldsen, J. Sundnes and H. Osnes
Non-Linear Elasticity With Applications to Heart Mechanics
2004
Talks, contributed
M. C. MacLachlan, J. Sundnes and G. T. Lines
Modelling ST Segment Changes During Myocardial Ischemia
Presented at the SIAM Conference on the Life Sciences: Portland, Oregon
J. Sundnes, G. T. Lines and A. Tveito
Challenges in Mathematical Models of the Heart
Presented at the SIAM Annual meeting, Portland, Oregon
Technical reports
T. Thorvaldsen, J. Sundnes and H. Osnes
Numerical Modeling of Isotropic, Hyperelastic Materials Undergoing Large Deformations
2003
Book Chapters
J. Sundnes, G. T. Lines, P. Grøttum and A. Tveito
Electrical Activity in the Human Heart
Advanced Topics in Computational Partial Differential Equations - Numerical Methods and Diffpack Programming
K. Mardal, J. Sundnes, H. P. Langtangen and A. Tveito
Block Preconditioning and Systems of PDEs
Advanced Topics in Computational Partial Differential Equations - Numerical Methods and Diffpack Programming
Journal Articles
G. T. Lines, M. L. Buist, P. Grøttum, A. J. Pullan, J. Sundnes and A. Tveito
Mathematical Models and Numerical Methods for the Forward Problem in Cardiac Electrophysiology
Computing and Visualization in Science
Talks, contributed
G. T. Lines, X. Cai and J. Sundnes
Parallel Algorithms for Simulating the Electrical Activity of the Heart
Presented at the Dagstuhl seminar Challenges in computational science and engineering
G. T. Lines, B. F. Nielsen, A. Tveito, J. Sundnes, P. Grøttum, X. Cai and K. Mardal
Computing the Electrical Activity in the Human Heart
Presented at the Centre of Mathematics for Applications, Oslo
A. Tveito, G. T. Lines, J. Sundnes, B. F. Nielsen, P. Grøttum, X. Cai and K. Mardal
Computing the Electrical Activity in the Human Heart
Presented at the European Conference on Numerical Mathematics and Advanced Applications, Prague, Czech Republic
A. Tveito, G. T. Lines, B. F. Nielsen, J. Sundnes, P. Grøttum, X. Cai and K. Mardal
Computing the Heart
Presented at the 21st CAD-FEM users' meeting 2003 - International congress on FEM technology, Potsdam, Germany
Proceedings, refereed
J. Sundnes and G. T. Lines
Modeling the Electro-Mechanical Behavior of an Infarcted Heart
Proceedings from MekIT'03, Second national conference on Computational Mechanics
2002
Journal Articles
G. T. Lines, J. Sundnes and A. Tveito
A Domain Embedding Strategy for Solving the Bidomain Equations on Complicated Geometries
International Journal of Bioelectromagnetism
J. Sundnes, G. T. Lines, K. Mardal and A. Tveito
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
J. Sundnes, G. T. Lines and A. Tveito
A Second Order Scheme for Solving the Bidomain and Forward Problem
International Journal of Bioelectromagnetism
J. Sundnes, G. T. Lines and A. Tveito
ODE Solvers for a Stiff System Arising in the Modeling of the Electrical Activity of the Heart
International Journal of Nonlinear Sciences and Numerical Simulation
Talks, contributed
G. T. Lines, J. Sundnes, A. Tveito, X. Cai, K. Mardal and A. M. Bruaset
Diffpack Simulation of the Electrical Activity in the Heart
Invited minisymposium talk at the 20th CAD-FEM User's Meeting, Friedrichshafen, Germany
PhD Thesis
J. Sundnes
Numerical Methods for Simulating the Electrical Activity of the Heart
2001
Journal Articles
J. Sundnes, G. T. Lines and A. Tveito
Efficient Solution of Ordinary Differential Equations Modeling Electrical Activity in Cardiac Cells
Mathematical Biosciences
Talks, contributed
J. Sundnes, G. T. Lines, K. Mardal and A. Tveito
On Numerical Techniques for the Bidomain Model
Presented at the SIAM Annual meeting, San Diego, California
2000
Talks, contributed
J. Sundnes, G. T. Lines and A. Tveito
Efficient Solution of ODEs Modeling Electrical Activity in Cardiac Cells
DIFTA seminar, Norwegian University of Science and Technology
Technical reports
J. Sundnes, G. T. Lines and A. Tveito
An Investigation of Different Solvers for Stiff ODE Systems