Magnus Ekh

2024

Computationally efficient simulation methodology for railway repair welding: cyclic plasticity, phase transformations and multi-phase homogenization

2024

Evaluations and enhancements of fatigue crack initiation criteria for steels subjected to large shear deformations

2023

Modeling of environmentally assisted intergranular crack propagation in polycrystals

2023

Prediction of long-term differential track settlement in a transition zone using an iterative approach

2022

CRACK INITIATION CRITERIA FOR DEFORMED ANISOTROPIC R260 RAIL STEEL

2022

Homogenization based macroscopic model of phase transformations and cyclic plasticity in pearlitic steel

Long-term monitoring of settlements below a transition zone in a railway structure

2022

Application of a semianalytical strain assessment and multiaxial fatigue analysis to compare rolling contact fatigue in twin-disk and full-scale wheel/rail contact conditions

2022

An FE-based orientation averaging model for elasto-plastic behavior of short fiber composites

2022

Macroscale modelling of 3D-woven composites: Elasto-plasticity and progressive damage

Simulation and Field Measurements of the Long-term Rail Surface Damage due to Plasticity, Wear and Surface Rolling Contact Fatigue Cracks in a Curve

2022

A computationally efficient coupled multi-scale model for short fiber reinforced composites

Prediction of Differential Track Settlement in Transition Zones Using a Non-Linear Track Model

2022

A fully coupled chemo-mechanical cohesive zone model for oxygen embrittlement of nickel-based superalloys

CALIBRATING MACROSCALE MODELS OF 3D-WOVEN COMPOSITES: COMPLEMENTING EXPERIMENTAL TESTING WITH HIGH FIDELITY MESOSCALE MODELS

2021

Modelling of temperature and strain rate dependent behaviour of pearlitic steel in block braked railway wheels

2021

On the influence of crossing angle on long-term rail damage evolution in railway crossings

2021

A framework for macroscale modelling of inelastic deformations in 3D-woven composites

2021

Elastic-viscoplastic self-consistent modeling for finite deformation of polycrystalline materials

2021

Long-term rail profile damage in a railway crossing: Field measurements and numerical simulations

Modelling of cyclic plasticity and phase transformations during repeated local heating events in rail and wheel steels

Prediction of Long-Term Damage in Railway Crossings Accounting for Variability in Dynamic Traffic Loads

Grain boundary interaction based on gradient crystal inelasticity and decohesion

Anisotropic yield surfaces after large shear deformations in pearlitic steel

Material model calibration against axial-torsion-pressure experiments accounting for the non-uniform stress distribution

CCBuilder: a software that produces synthetic microstructures of WC-Co cemented carbides

PREDICTING NON-LINEAR SHEAR DEFORMATION AND FAILURE IN 3D FIBRE-REINFORCED COMPOSITES

Finite element simulations of thermal residual stresses in realistic 3D WC-Co microstructures

Predicting non-linear shear deformation in 3D-fibre reinforced composites

Prediction of plastic deformation and wear in railway crossings – Comparing the performance of two rail steel grades

Evaluation of damage initiation models for 3D-woven fibre composites

2019

Metamodelling of wheel–rail normal contact in railway crossings with elasto-plastic material behaviour

Predicting damage initiation in 3D fibre-reinforced composites – The case for strain-based criteria

Simulation of damage in railway crossings - a comparison of rail steel grades R350HT and rolled Mn13

Characterization of yield surface evolution due to large plastic shear strains in pearlitic rail steel

Prediction of the mechanical behaviour of pearlitic steel based on microcompression tests, micromechanical models and homogenization approaches

2018

Accounting for lattice coherency in a two-phase elastic-plastic self-consistent model for nickel-based superalloys

Metamodel for elasto-plastic wheel–rail contact with application to damage in a railway crossing

2018

Modeling of kinematic hardening at large biaxial deformations in pearlitic rail steel

Modelling of cyclic plasticity and phase transformations during repeated local heating events in rail and wheel steels

A methodology to predict thermomechanical cracking of railway wheel treads: From experiments to numerical predictions

2017

A comparison of the primal and semi-dual variational formats of gradient-extended crystal inelasticity

Hierarchical and Heterogeneous Bioinspired Composites-Merging Molecular Self-Assembly with Additive Manufacturing

Computational homogenization of mesoscale gradient viscoplasticity

A comparison of two frameworks for kinematic hardening in hyperelasto-plasticity

Modelling of grey cast iron for application to brake discs for heavy vehicles

A framework for geometrically non-linear gradient extended crystal plasticity coupled to heat conduction and damage

COMPUTATIONAL ISSUES OF GRADIENT-EXTENDED CRYSTAL INELASTICITY

A Comparison of Computational Formats of Gradient-Extended Crystal Viscoplasticity in the Context of Selective Homogenization

3D grain structure modelling of intergranular fracture in forged Haynes 282

Experimental observations and modelling of cyclic and relaxation behaviour of the Ni-based superalloy Haynes 282

Three-dimensional modelling of differential railway track settlement using a cycle domain constitutive model

Thermomechanical cracking of railway wheel treads: a combined experimental and numerical approach

Computational modeling issues of gradient-extended viscoplasticity

High Temperature Tread Braking Simulations Employing Advanced Modelling of Wheel Materials

Simulation of high pressure torsion tests of pearlitic steel

2015

Correlation between crack length and load drop for low-cycle fatigue crack growth in Ti-6242

2015

MODELING EVOLUTION OF ANISOTROPY IN PEARLITIC STEEL DURING COLD WORKING

Simulation of material degradation in track switches

Using DIC to Identify Microscale Strain Fields from in-situ SEM Images of a Pearlitic Steel

A comparison of homogenization approaches for modelling the mechanical behaviour of pearlitic steel

2014

Low-Cycle Fatigue Crack Growth in Ti-6242 at Elevated Temperature

A comparison of approaches to model anisotropy evolution in pearlitic steel

Modelling of cyclic behaviour of Haynes 282 at elevated temperatures

The effect of anisotropy on crack propagation in pearlitic rail steel

Simulation of high pressure torsion tests of pearlitic steel

Modeling of Anisotropy Evolution in Pearlitic Steel

Hybrid micro-macromechanical modelling of anisotropy evolution in pearlitic steel

2013

On the Prediction of Macroscopic Yield Surfaces of a Pearlitic Steel using Multiscale Modeling

2013

Microscopic temperature field prediction during adiabatic loading using gradient extended crystal plasticity

The effect of anisotropy on crack propagation in pearlitic rail steel

Experiments and Modelling of the Cyclic Behaviour of Haynes 282

On the prediction of macroscopic yield surfaces for a pearlitic steel using computational homogenization

Modelling of the cyclic behaviour of Haynes 282, including cyclic softening

Multiscale modeling of the mechanical behaviour of pearlitic steel

On the computational homogenization of mesoscale gradient viscoplasticity

2012

On the Prediction of Anisotropy Evolution in Polycrystalline Multiphase Materials

Crack propagation in rails under rolling contact fatigue loading conditions based on material forces

Crack propagation in rails based on the concept of material forces

Modelling of the cyclic behaviour of Haynes 282

2011

Multiscale modeling of pearlitic steel

Crack propagation in rails based on the concept of material forces

Influence of grain boundary conditions on modeling of size-dependence in polycrystals

Multiscale modeling of the mechanical behaviour of pearlitic steel

An extended crystal plasticity model for latent hardening in polycrystals

Prediction of Wear and Plastic Flow in Rails - Test Rig Results, Model Calibration and Numerical Prediction

Modeling of anisotropy evolution and cyclic behavior of pearlitic steel

Experiments and modelling of the cyclic behaviour of Haynes 282

Computational mechanics-based modeling of size-dependent hardening

Crack propagation in rails under RCF loading conditions based on material forces

Simulation of wheel-rail contact and damage in switches & crossings

Modeling of polycrystals with gradient crystal plasticity: A comparison of strategies

Computational modeling of the influence of the interlamellar spacing in pearlitic steel

On the modeling of deformation induced anisotropy of pearlitic steel

Geometry and stiffness optimization for switches and crossings, and simulation of material degradation

Computational modeling of the interlamellar spacing in pearlitic steel

Computational modeling of gradient hardening in polycrystals

INNOTRACK Deliverable 3.1.6 -- Recommendation of, and scientific basis for, optimisation of switches & crossings - part 2. Paris:UIC

Simulation of wheel-rail contact and damage in switches & crossings

Aspects of viscoplasticty on manufacturing induced out-of-roundness in engine cylinder liners

On the modeling of deformation induced anisotropy of pearlitic steel

Gradient crystal plasticity – theoretical and computational aspects

Simulation of wheel–rail contact and subsequent material degradation in switches & crossings

Computational modelling of inelastic polycrystals with internal lengthscales

gradient theories of large deformation anisotropic plasticity

Prediction of Wear and Plastic Flow in Rails - Experimental Test Rig Results, Model Calibration and Numerical Prediction

Gradient crystal plasticity approaches for computational modeling of

On the modelling of gradient hardening in crystal (visco)plasticity

Towards computational modeling of grain size dependence in microstructure models of polycrystals

Towards computational modelling of grain size dependence in microstructure models of polycrystals

On the modeling of large ratcheting strains with large time increments

Gradient crystal plasticity as part of the computational modelling of polycrystals

On the modeling of grain size dependent behavior of polycrystals

Cyclic stress-strain behavior and load sharing in duplex stainless steels: Aspects of modeling and experiments

A model for short crack propagation in polycrystalline materials

On the modeling of evolving anisotropy and large strains in pearlitic steel

Computational aspects on multiscale modeling of polycrystallines with gradient crystal plasticity

Parameter identification and modeling of large ratcheting strains in carbon steel

Efficient iteration schemes for anisotropic hyperelasto-plasticity

Modeling the Grain Size Effect using Gradient Hardening and Damage in Crystal (Visco) Plasticity

Modeling the Grain Size Effect using Gradient Hardening and Damage in Crystal (Visco) Plasticity

On the modeling of evolving anisotropy and large strains in pearlitic steel

A framework for multiplicative elastoplasticity with kinematic hardening coupled to anisotropic damage

Modeling of large ratcheting strains with large time increments

Calibration of a multiscale material model based on macroscale test data

Computational modeling of inelastic large ratcheting strains

Modeling of anisotropic inelasticity in pearlitic steel at large strains due to deformation induced substructure evolution

Gradient hardening and damage in crystal (visco)plasticity

A model framework for anisotropic damage coupled to crystal (visco)plasticity

Modeling growth of small cracks in a polycrystal

Gradient hardening and damage in crystal (visco)plasticity

Aspects on Computational Meso-Macro-Scale Constitutive Modeling

Computational modeling of large inelastic ratchetting strains

Anisotropic damage with the MCR-effect coupled to plasticity

A mixed variational formulation for rve-computations

A framework for hyperelasto-plasticity with kinematic hardening and anisotropic damage

Fatigue crack initiation based on simulations on the mesoscopic scale

Anisotropic damage modeling based on mesomechanical simulations

Anisotropic damage coupled to plasticity: modelling based on the effective configuration concept

A framework for hyperelasto-plasticity with kinematic hardening and anisotropic damage

A Class of Thermo-Hyperelastic-Viscoplastic Models for Porous Materials: Theory and Numerics

Modeling and Numerical Issues in Hyperelasto-plasticity with Anisotropy

Thermo-Elastic-Viscoplastic Modeling of IN792

Large strain plasticity coupled to anisotropic damage based on the fictitious configuration concept

Bifurcation results for plasticity coupled to damage with MCR-effect

Models for Cyclic Ratchetting Plasticity - Integration and Calibration

Modeling of Inelastic Response of Metals with Emphasis on Cyclic Viscoplasticity