Publications (101)
Effective Rheology of Two-phase Flow in Three-Dimensional Porous Media: Experiment and Simulation
Santanu Sinha, Andrew T. Bender, Matthew Danczyk +7
Modelling an Imperfect Market
Raul Donangelo, Alex Hansen, Kim Sneppen +1
Implications of Realistic Fracture Criteria on Crack Morphology
Bjørn Skjetne, Alex Hansen
Rheology of High-Capillary Number Flow in Porous Media
Santanu Sinha, Magnus Aa. Gjennestad, Morten Vassvik +3
Bulk Flow Regimes and Fractional Flow in 2D Porous Media by Numerical Simulations
Henning Arendt Knudsen, Eyvind Aker, Alex Hansen
Phase Diagram of Optimal Paths
Alex Hansen, Janos Kertesz
Specific Heat upon Aqueous Unfolding of the Protein Interior: A Theoretical Approach
Audun Bakk, Johan S. Hoye, Alex Hansen
Effective Rheology of Bi-Viscous Non-Newtonian Fluids in Porous Media
Laurent Talon, Alex Hansen
A new set of equations describing immiscible two-phase flow in isotropic porous media
Alex Hansen, Santanu Sinha, Dick Bedeaux +3
Mesoscopic Description of the Equal Load Sharing Fiber Bundle Model
Martin Hendrick, Srutarshi Pradhan, Alex Hansen
Can Local Stress Enhancement Induce Stability in Fracture Processes? Part I: Apparent Stability
Jonas T. Kjellstadli, Eivind Bering, Martin Hendrick +2
A hierarchical scheme for cooperativity and folding in proteins
Alex Hansen, Mogens H. Jensen, Kim Sneppen +1
Roughness of Interfacial Crack Front: Correlated Percolation in the Damage Zone
Jean Schmittbuhl, Alex Hansen, G. George Batrouni
The accuracy of roughness exponent measurement methods
Jan Ãystein Haavig Bakke, Alex Hansen
Distinguishing fractional and white noise in one and two dimensions
Alex Hansen, Jean Schmittbuhl, George Batrouni
Variation of elastic energy shows reliable signal of upcoming catastrophic failure
Srutarshi Pradhan, Jonas T. Kjellstadli, Alex Hansen
Capillary-Driven Instability of Immiscible Fluid Interfaces Flowing in Parallel in Porous Media
Thomas Ramstad, Alex Hansen
A Renormalization Group Procedure for Fiber Bundle Models
Srutarshi Pradhan, Alex Hansen, Purusattam Ray
Relations between Seepage Velocities in Immiscible, Incompressible Two-Phase Flow in Porous Media
Alex Hansen, Santanu Sinha, Dick Bedeaux +3
Superdiffusive Conduction: AC Conductivity with Correlated Noise
Fernando A. Oliveira, Rafael Morgado, Alex Hansen +1
Cluster evolution in steady-state two-phase flow in porous media
Thomas Ramstad, Alex Hansen
Criticality in the Integer Quantum Hall Effect
Alex Hansen, E. H. Hauge, Joakim Hove +1
Critical aspects of hierarchical protein folding
Alex Hansen, Mogens H. Jensen, Kim Sneppen +1
Onset of Localization in Heterogeneous Interfacial Failure
Arne Stormo, Knut Skogstrand Gjerden, Alex Hansen
Tolerance and Sensitivity in the Fuse Network
G. George Batrouni, Alex Hansen, Gerald H. Ristow
Rupture processes in fiber bundle models
Per C. Hemmer, Alex Hansen, Srutarshi Pradhan
Generic differential equation for fractional flow of steady two-phase flow in porous media
Henning Arendt Knudsen, Alex Hansen
Anomalous Scaling and Solitary Waves in Systems with Non-Linear Diffusion
Alex Hansen, Bo-Sture Skagerstam, Glenn Tørå
Can a local repulsive potential trap an electron?
N. Berglund, Alex Hansen, E. H. Hauge +1
Physics of Fashion Fluctuations
Raul Donangelo, Alex Hansen, Kim Sneppen +1
Crossover behavior in failure avalanches
Srutarshi Pradhan, Alex Hansen, Per C. Hemmer
A two-dimensional network simulator for two-phase flow in porous media
Eyvind Aker, Knut Jorgen Maloy, Alex Hansen +1
Correlations between political party size and voter memory: A statistical analysis of opinion polls
Christian A. Andresen, Henning F. Hansen, Alex Hansen +2
Failure Processes in Elastic Fiber Bundles
Srutarshi Pradhan, Alex Hansen, Bikas K. Chakrabarti
Heterogeneous Interfacial Failure between Two Elastic Blocks
G. George Batrouni, Alex Hansen, Jean Schmittbuhl
Fracture Roughness Scaling: a case study on planar cracks
Stéphane Santucci, Mélanie Grob, Alex Hansen +3
Correlation Length Exponent in the Three-Dimensional Fuse Network
Thomas Ramstad, Jan O. H. Bakke, Johannes Bjelland +2
Heat Capacity of Protein Folding
Audun Bakk, Johan S. Hoye, Alex Hansen
A protein model exhibiting three folding transitions
Audun Bakk, Alex Hansen, Kim Sneppen
Mean Field Theory of Localization in the Fuse Model
Renaud Toussaint, Alex Hansen
Local dynamics of a randomly pinned crack front: A numerical study
Knut Skogstrand Gjerden, Arne Stormo, Alex Hansen
A model for stable interfacial crack growth
Knut Skogstrand Gjerden, Arne Stormo, Alex Hansen
Normal Stress Distribution of Rough Surfaces in Contact
Alex Hansen, Jean Schmittbuhl, G. George Batrouni +1
Brittle Crack Roughness in Three-Dimensional Beam Lattices
Bjorn Skjetne, Torbjorn Helle, Alex Hansen
A Dynamic Network Simulator for Immiscible Two-Phase Flow in Porous Media
Santanu Sinha, Magnus Aa. Gjennestad, Morten Vassvik +1
Relation Between First Arrival Time and Permeability in Self-Affine Fractures with Areas in Contact
Laurent Talon, Harold Auradou, Alex Hansen
Viscous stabilization of 2D drainage displacements with trapping
Eyvind Aker, Knut Jorgen Maloy, Alex Hansen
From the Liouville Equation to the Generalized Boltzmann Equation for Magnetotransport in the 2D Lorentz Model
A. V. Bobylev, Alex Hansen, J. Piasecki +1
Tunneling and Universality in the Integer Quantum Hall Effect
Alex Hansen, Janos Kertesz
Burst dynamics during drainage displacements in porous media: Simulations and experiments
Eyvind Aker, Knut Jorgen Maloy, Alex Hansen +1
Current Distribution in the Three-Dimensional Random Resistor Network at the Percolation Threshold
G. George Batrouni, Alex Hansen, Brond Larson
Parametrization of Multiple Pathways in Proteins: Fast Folding versus Tight Transitions
Paul G. Dommersnes, Alex Hansen, Mogens H. Jensen +1
Topology of Fracture Networks
Christian André Andresen, Alex Hansen, Romain Le Goc +2
History-independence of steady-state in simultaneous two-phase flow through porous media
Marion Erpelding, Santanu Sinha, Ken Tore Tallakstad +3
Effects of Buckling on Stress and Strain in Thin Randomly Disordered Tension-Loaded Sheets
Bjorn Skjetne, Torbjorn Helle, Alex Hansen
Failure and avalanches in complex networks
Jan Ãystein Haavig Bakke, Alex Hansen, János Kertész
Burst statistics as a criterion for imminent failure
Srutarshi Pradhan, Alex Hansen, Per C. Hemmer
Two-phase flow in porous media: dynamical phase transition
Henning Arendt Knudsen, Alex Hansen
Thermodynamical implications of a protein model with water interactions
Audun Bakk, Johan S. Hoye, Alex Hansen +1
Self-Affinity in the Gradient Percolation Problem
Alex Hansen, G. George Batrouni, Thomas Ramstad +1
Ridge Network in Crumpled Paper
Christian Andre Andresen, Alex Hansen, Jean Schmittbuhl
Crossover Behavior in Burst Avalanches of Fiber Bundles: Signature of Imminent Failure
Srutarshi Pradhan, Alex Hansen, Per C. Hemmer
Scaling Laws of Stress and Strain in Brittle Fracture
Bjorn Skjetne, Torbjorn Helle, Alex Hansen
A Numerical Study of Capillary and Viscous Drainage in Porous Media
Eyvind Aker, Alex Hansen, Knut Jorgen Maloy
Failure properties of loaded fiber bundles having a lower cutoff in fiber threshold distribution
Srutarshi Pradhan, Alex Hansen
Roughness of Crack Interfaces in Two-Dimensional Beam Lattices
Bjorn Skjetne, Torbjorn Helle, Alex Hansen
Universality Classes in Constrained Crack Growth
Knut S. Gjerden, Arne Stormo, Alex Hansen
Asymptotic Distribution of Eigenvalues for a Self-Affine String
Ingve Simonsen, Alex Hansen
Simulating temporal evolution of pressure in two-phase flow in porous media
Eyvind Aker, Knut Jorgen Maloy, Alex Hansen
Effective Rheology of Bubbles Moving in a Capillary Tube
Santanu Sinha, Alex Hansen, Dick Bedeaux +1
Gaussian Statistics of Fracture Surfaces
Stéphane Santucci, Joachim Mathiesen, Knut Jørgen Måløy +6
Stochastic Model for the Interaction of Buckling and Fracture in Thin Tension-Loaded Sheets
Bjorn Skjetne, Torbjorn Helle, Alex Hansen
Local Wettability Reversal during Steady-State Two-Phase Flow in Porous Media
Santanu Sinha, Morten Grøva, Torgeir Bryge ÃdegÃ¥rden +2
Pathways in Two-State Protein Folding
Audun Bakk, Johan S. Hoye, Alex Hansen +2
Determination of the Hurst Exponent by Use of Wavelet Transforms
Ingve Simonsen, Alex Hansen, Olav Magnar Nes
Dynamics of stable viscous displacement in porous media
Eyvind Aker, Knut Jorgen Maloy, Alex Hansen
Analytical Approach to Continuous and Intermittent Bottleneck Flows
Dirk Helbing, Anders Johansson, Joachim Mathiesen +2
Crossover behavior in a mixed mode fiber bundle model
Srutarshi Pradhan, Bikas K. Chakrabarti, Alex Hansen
A Fast Algorithm for Generating Long Self-Affine Profiles
Ingve Simonsen, Alex Hansen
Flow in Rough Self-Affine Fractures Joints
José S. Andrade, Ascânio D. Araújo, Fernando A. Oliveira +1
A Monte Carlo Algorithm for Immiscible Two-Phase Flow in Porous Media
Isha Savani, Santanu Sinha, Alex Hansen +3
Fracture in Three-Dimensional Fuse Networks
G. George Batrouni, Alex Hansen
Ensemble Distribution for Immiscible Two-Phase Flow in Porous Media
Isha Savani, Dick Bedeaux, Signe Kjelstrup +3
Permeability Estimates of Self-Affine Fracture Faults Based on Generalization of the Bottle Neck Concept
Laurent Talon, Harold Auradou, Alex Hansen
Diamagnetic Susceptibility and Current Distributions in Granular Superconductors at Percolation
Henning A. Knudsen, Alex Hansen
Fracture Roughness and Correlation Length in the Central Force Model
Jan Ãystein Haavig Bakke, Thomas Ramstad, Alex Hansen
Cracks in random brittle solids: From fiber bundles to continuum mechanics
Sylvain Patinet, Damien Vandembroucq, Alex Hansen +1
Elastic Response of Rough Surfaces in Partial Contact
G. George Batrouni, Alex Hansen, Jean Schmittbuhl
A Model for the Thermodynamics of Globular Proteins
Alex Hansen, Mogens H. Jensen, Kim Sneppen +1
Modelling Molecular Motors as Folding-Unfolding Cycles
Alex Hansen, Mogens H. Jensen, Kim Sneppen +1
Dynamic wettability alteration in immiscible two-phase flow in porous media: Effect on transport properties and critical slowing down
Vegard Flovik, Santanu Sinha, Alex Hansen
Stable and efficient time integration of a dynamic pore network model for two-phase flow in porous media
Magnus Aa. Gjennestad, Morten Vassvik, Signe Kjelstrup +1
The Local load sharing fiber bundle model in higher dimensions
Santanu Sinha, Jonas T. Kjellstadli, Alex Hansen
Reply to Comment on "Roughness of Interfacial Crack Fronts: Stress-Weighted Percolation in the Damage Zone"
Jean Schmittbuhl, Alex Hansen, G. George Batrouni
Origin of the Universal Roughness Exponent of Brittle Fracture Surfaces: Correlated Percolation in the Damage Zone
Alex Hansen, Jean Schmittbuhl
Networks between Professionals and Society: A Model for Protein Dependency
Henning Frydenlund Hansen, Alex Hansen
A new relation between pressure and fractional flow in two-phase flow in porous media
Henning Arendt Knudsen, Alex Hansen
Model for Density Waves in Gravity-Driven Granular Flow in Narrow Pipes
Simen à . Ellingsen, Knut S. Gjerden, Morten Grøva +1
Heat diffusion in a two-dimensional thermal fuse model
Glenn Tørå, Alex Hansen
Statistical mechanics of warm and cold unfolding in proteins
Alex Hansen, Mogens H. Jensen, Kim Sneppen +1