Joakim Sundnes

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

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. Sundnes, L. C. Lee, S. Wall and D. Valdez-Jasso

Editorial: Computational models of cardiovascular growth and remodeling

Frontiers in Physiology

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

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

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

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. Sundnes and R. Rodríguez-Cantano

A Bayesian Approach to Parameter Estimation in Cardiac Mechanics

Solid (Bio) mechanics: Challenges of the Next Decade

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

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

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

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

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

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

Å. Telle, S. Wall and J. Sundnes

Modeling Cardiac Mechanics on a Sub-Cellular Scale

Modeling Excitable Tissue: The EMI Framework

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

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. 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, 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. 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

J. Sundnes

Introduction to scientific programming with Python

Simula SpringerBriefs on Computing

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

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

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

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, 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

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

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

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

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

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

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)

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

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

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

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

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

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. 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

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

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

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

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

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

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

V. Timmermann, S. Wall, J. Sundnes, T. A. Quinn and A. G. Edwards

Integrated Mechanisms of Mechano-Electric Feedback in Ischemic Arrhythmogenesis

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

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

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

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

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 and S. Wall

Physics-based computer simulation of the long-term effects of cardiac regenerative therapies

Technology

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

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

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

H. Finsberg

Optimization of a Spatially Varying Cardiac Contraction parameter using the Adjoint Method

FEniCS'16

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

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

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

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

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

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

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

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

H. Finsberg, G. Balaban and M. E. Rognes

Personalization of a Cardiac Compuational Model using Clinical Measurements

28th Nordic Seminar on Computational Mechanics

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

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

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

R. W. d. Santos, S. Alonso, E. M. Cherry and J. Sundnes

Simulations of Heart Function (editorial)

BioMed Research International

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

S. T. Ziaratgahi, M. Marsh, J. Sundnes and R. J. Spiteri

Stable Time Integration Suppresses Unphysical Oscillations in the Bidomain Model

Frontiers in Physics

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

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

J. Sundnes

Computational Models of Electro-Mechanical Interactions in the Heart

The Nordic Seminar on Computational Mechanics, Stockholm

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.

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 and H. Narayanan

A Continuum Model for Active Cardiac Muscle

World congress on Computational Mechanics, Barcelona, Spain

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

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

B. L. de Oliveira, S. Wall and J. Sundnes

The Effects of Mechanoelectrical Feedback on Conduction Velocity: a Computational Study

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

S. Wall and J. Sundnes

Strongly Coupled Electromechanical Models of the Heart

Biomechanics and Medical Imaging Mini-Symposium, UCSF

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

B. L. de Oliveira, S. Wall and J. Sundnes

Multiple Mechanoelectrical Feedback Mechanisms Affect Conduction Velocity

J. Sundnes and S. Wall

Computational Models of Electro-Mechanical Interactions in the Infarct Injured Heart

National PhD conference in medical Imaging, Trondheim, Norway

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 and S. Wall

Numerical Methods for Strongly Coupled Simulations of Cardiac Electro-Mechanics

Workshop on efficient solvers in biomedical applications, Graz, Austria

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

Computer Simulations of Electro-Mechanical Interactions in the Heart

CBC Workshop on Adjoint-Based Methods for Transient Problems: Software and Applications

B. L. de Oliveira, S. Wall and J. Sundnes

Impact of Mechanical Deformation on Conduction Velocity of Cardiac Tissue

World Congress on Computational Mechanics

B. L. de Oliveira, S. Wall and J. Sundnes

Multiple Mechanoelectrical Feedback Mechanisms Affect Conduction Velocity

CaMo/CMRG Workshop, San Diego

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

J. Sundnes

Kan Vi Regne Ut Hvordan Hjertet Virker?

Idefestivalen, University of Oslo

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

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

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)

J. Sundnes

Discontinuous Rate Function in Cardiac Cell Models

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

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

J. Sundnes, R. Artebrant, O. Skavhaug and A. Tveito

A Second Order Algorithm for Solving Dynamic Cell Membrane Equations

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

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

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

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

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

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

G. T. Lines and J. Sundnes

Computer Simulations of the Heart

Simula Research Laboratory - by thinking constantly about it

H. P. Langtangen and J. Sundnes

Scientific Computing: Why - How - What - What's Next

Simula Research Laboratory - by thinking constantly about it

S. Wall, J. Sundnes, M. Ratcliffe and J. Guccione

Electromechanical Modeling of the Infarct Injured Failing Ovine Heart

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

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

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. 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

J. Sundnes

Computational Challenges in Mathematical Models of the Heart

Talk at Norwegian University of Life Sciences, January 30th

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

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)

J. Sundnes, M. S. Alnæs and K. Mardal

A Finite Element Model of Cardiac Electrophysiology and Mechanics

VII International conference on computational plasticity

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

Using Mathematical Models to Test Physiological Hypotheses

Invited talk at the annual meeting of the Scandinavian Physiological Society

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

J. Sundnes, G. T. Lines, X. Cai, B. F. Nielsen, K. Mardal and A. Tveito

Computing the Electrical Activity in the Heart

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

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

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

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

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

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

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

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

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

T. Thorvaldsen, J. Sundnes and H. Osnes

Non-Linear Elasticity With Applications to Heart Mechanics

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

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, J. Sundnes and H. Osnes

Numerical Modeling of Isotropic, Hyperelastic Materials Undergoing Large Deformations

J. Sundnes, G. T. Lines and A. Tveito

Challenges in Mathematical Models of the Heart

Presented at the SIAM Annual meeting, Portland, Oregon

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

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

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

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

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

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

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, 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 and A. Tveito

A Second Order Scheme for Solving the Bidomain and Forward Problem

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

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

J. Sundnes

Numerical Methods for Simulating the Electrical Activity of the Heart

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

J. Sundnes, G. T. Lines and A. Tveito

Efficient Solution of Ordinary Differential Equations Modeling Electrical Activity in Cardiac Cells

Mathematical Biosciences

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

J. Sundnes, G. T. Lines and A. Tveito

An Investigation of Different Solvers for Stiff ODE Systems

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