Jens Nielsen

Forskningsprofessor vid Dynamik

Källa: chalmers.se
Image of Jens Nielsen

Visar 157 publikationer

2024

Benchmark of calibrated 2D and 3D track models for simulation of differential settlement in a transition zone using field measurement data

Kourosh Nasrollahi, Ana Ramos, Jens Nielsen et al
Engineering Structures. Vol. 316 (2024)
Artikel i vetenskaplig tidskrift
2024

Inverse wheel–rail contact force and crossing irregularity identification from measured sleeper accelerations – A model-based Green's function approach

Marko Milosevic, Björn Pålsson, A. Nissen et al
Journal of Sound and Vibration. Vol. 589
Artikel i vetenskaplig tidskrift
2024

Dynamic vehicle–track interaction and loading in a railway crossing panel–calibration of a structural track model to comprehensive field measurements

Björn Pålsson, Henrik Vilhelmson, Uwe Ossberger et al
Vehicle System Dynamics. Vol. 62 (11), p. 2810-2836
Artikel i vetenskaplig tidskrift
2024

Influence of Sleeper Base Area and Spacing on Long-Term Differential Settlement in a Railway Track Transition Zone

Kourosh Nasrollahi, Jens Nielsen
Proceedings of the Sixth International Conference on Railway Technology: Research, Development and Maintenance. Vol. 300 (7)
Paper i proceeding
2024

On wayside detector measurement of wheel–rail impact loads induced by wheel flats – Data analysis, alarm levels and regulations

Klara Mattsson, Jens Nielsen, Lars Fehrlund et al
Proceedings of the Sixth International Conference on Railway Technology: Research, Development and Maintenance
Paper i proceeding
2024

Assessment of Structural Requirements for Crossing Panel Design using Dynamic Load Case Scenarios

Henrik Vilhelmson, Björn Pålsson, Jens Nielsen
Proceedings of the Sixth International Conference on Railway Technology: Research, Development and Maintenance
Paper i proceeding
2024

Dynamic vehicle–track interaction and structural loading in a crossing panel–calibration and assessment of a model with a 3D representation of the crossing rail

Henrik Vilhelmson, Björn Pålsson, Jens Nielsen et al
Vehicle System Dynamics. Vol. In Press
Artikel i vetenskaplig tidskrift
2024

Innovative requirements and evaluation methods for slab track design

Emil Aggestam, Anders Ekberg, Jens Nielsen
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit. Vol. 238 (6), p. 651-661
Artikel i vetenskaplig tidskrift
2024

Towards real-time condition monitoring of a transition zone in a railway structure using fibre Bragg grating sensors.

Kourosh Nasrollahi, Jelke Dijkstra, Jens Nielsen
Transportation Geotechnics. Vol. 44
Artikel i vetenskaplig tidskrift
2024

Machine Learning Models for Predicting Permanent Deformation in Railway Tracks

Ana Ramos, António Gomes Correia, Kourosh Nasrollahi et al
Transportation Geotechnics. Vol. 47 (2024)
Artikel i vetenskaplig tidskrift
2023

Model-Based Remote Health Monitoring of Ballast Conditions in Railway Crossing Panels

Marko Milosevic, Björn Pålsson, A. Nissen et al
Lecture Notes in Civil Engineering. Vol. 253 LNCE, p. 502-512
Paper i proceeding
2023

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

Kourosh Nasrollahi, Jens Nielsen, Emil Aggestam et al
Engineering Structures. Vol. 283
Artikel i vetenskaplig tidskrift
2023

Out-of-round railway wheels and polygonisation

S. Iwnicki, Jens Nielsen, Gongquan Tao
Vehicle System Dynamics. Vol. 61 (7), p. 1785-1828
Artikel i vetenskaplig tidskrift
2023

Probability of rail break caused by out-of-round wheel loads

Jens Nielsen, Anders Ekberg
Engineering Structures. Vol. 294
Artikel i vetenskaplig tidskrift
2023

Influence of railway wheel tread damage on wheel–rail impact loads and the durability of wheelsets

Michele Maglio, Tore V Vernersson, Jens Nielsen et al
Railway Engineering Science. Vol. In Press
Artikel i vetenskaplig tidskrift
2023

Reconstruction of sleeper displacements from measured accelerations for model-based condition monitoring of railway crossing panels

Marko Milosevic, Björn Pålsson, A. Nissen et al
Mechanical Systems and Signal Processing. Vol. 192
Artikel i vetenskaplig tidskrift
2022

Railway wheel tread damage and axle bending stress – Instrumented wheelset measurements and numerical simulations

Michele Maglio, Tore V Vernersson, Jens Nielsen et al
International Journal of Rail Transportation. Vol. 10 (3), p. 275-297
Artikel i vetenskaplig tidskrift
2022

Probability of instant rail break induced by wheel–rail impact loading using field test data

Jens Nielsen, Thomas Abrahamsson, Anders Ekberg
International Journal of Rail Transportation. Vol. 10 (1), p. 1-23
Artikel i vetenskaplig tidskrift
2022

Rail Acceleration Induced by Train Pass-by—Field Measurements and Validation of a Simulation Model

Peter Torstensson, Emil Aggestam, Michele Maglio et al
Lecture Notes in Mechanical Engineering, p. 302-311
Paper i proceeding
2022

Condition Monitoring of Railway Crossing Geometry via Measured and Simulated Track Responses

Marko Milosevic, Björn Pålsson, A. Nissen et al
Sensors. Vol. 22 (3)
Artikel i vetenskaplig tidskrift
2022

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

Kourosh Nasrollahi, Jelke Dijkstra, Jens Nielsen et al
Övrigt konferensbidrag
2022

Optimisation of slab track design considering dynamic train–track interaction and environmental impact

Emil Aggestam, Jens Nielsen, Karin Lundgren et al
Engineering Structures. Vol. 254
Artikel i vetenskaplig tidskrift
2022

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

Kourosh Nasrollahi, Jens Nielsen, Emil Aggestam et al
Lecture Notes in Mechanical Engineering, p. 282-292
Paper i proceeding
2022

SIMULATION-BASED EVALUATION OF THE PROBABILITY OF RAIL-BREAK DUE TO OUT-OF-ROUND WHEEL LOADS

Jens Nielsen, Anders Ekberg
CM 2022 - 12th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Conference Proceedings, p. 51-52
Paper i proceeding
2022

Demonstration of a Digital Twin Framework for Model-Based Operational Condition Monitoring of Crossing Panels

Marko Milosevic, Björn Pålsson, A. Nissen et al
Lecture Notes in Mechanical Engineering, p. 95-105
Paper i proceeding
2021

Wheel–rail impact loads and axle bending stress simulated for generic distributions and shapes of discrete wheel tread damage

Michele Maglio, Astrid Pieringer, Jens Nielsen et al
Journal of Sound and Vibration. Vol. 502
Artikel i vetenskaplig tidskrift
2021

Calibration and validation of the dynamic response of two slab track models using data from a full-scale test rig

Jannik Theyssen, Emil Aggestam, Shengyang Zhu et al
Engineering Structures. Vol. 234
Artikel i vetenskaplig tidskrift
2021

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

Rostyslav Skrypnyk, Björn Pålsson, Jens Nielsen et al
International Journal of Rail Transportation. Vol. 9 (6), p. 503-519
Artikel i vetenskaplig tidskrift
2021

Preface

G. Degrande, G. Lombaert, David Anderson et al
Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Vol. 150, p. v-vi
Övrig text i vetenskaplig tidskrift
2021

Wheel–Rail Impact Loads, Noise and Vibration: A Review of Excitation Mechanisms, Prediction Methods and Mitigation Measures

Jens Nielsen, Astrid Pieringer, David Thompson et al
Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Vol. 150, p. 3-40
Kapitel i bok
2021

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

Rostyslav Skrypnyk, Uwe Ossberger, Björn Pålsson et al
Wear. Vol. 472-473
Artikel i vetenskaplig tidskrift
2020

Simulation of vertical dynamic vehicle–track interaction using a three-dimensional slab track model

Emil Aggestam, Jens Nielsen
Engineering Structures. Vol. 222
Artikel i vetenskaplig tidskrift
2020

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

Rostyslav Skrypnyk, Jens Nielsen, Björn Pålsson et al
Lecture Notes in Mechanical Engineering. Vol. 2020, p. 376-381
Paper i proceeding
2020

Prediction of Vertical Dynamic Vehicle–Track Interaction and Sleeper–Ballast Contact Pressure in a Railway Crossing

Xin Li, Jens Nielsen, Peter Torstensson
Lecture Notes in Mechanical Engineering, p. 397-403
Paper i proceeding
2020

On tailored signal processing tools for operational condition monitoring of railway switches and crossings

Marko Milosevic, Björn Pålsson, A. Nissen et al
Proceedings of ISMA 2020 - International Conference on Noise and Vibration Engineering and USD 2020 - International Conference on Uncertainty in Structural Dynamics, p. 2639-2653
Paper i proceeding
2020

Degradation of railway track geometry – Correlation between track stiffness gradient and differential settlement

Jens Nielsen, Eric G. Berggren, Anders Hammar et al
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit. Vol. 234 (1), p. 108-119
Artikel i vetenskaplig tidskrift
2020

Simulation of vertical dynamic vehicle–track interaction – Comparison of two- and three-dimensional models

Emil Aggestam, Jens Nielsen, Niklas Sved
Lecture Notes in Mechanical Engineering, p. 415-422
Paper i proceeding
2019

Digitalisation of condition monitoring data as input for fatigue evaluation of wheelsets

Michele Maglio, Matthias Asplund, Jens Nielsen et al
Proceedings of the XIX International Wheelset Congress
Paper i proceeding
2019

Wheel-rail impact loads and noise generated at railway crossings - Influence of vehicle speed and crossing dip angle

P. T. Torstensson, G. Squicciarini, M. Krueger et al
Journal of Sound and Vibration. Vol. 456, p. 119-136
Artikel i vetenskaplig tidskrift
2019

Simulation of wheel–rail impact load and sleeper–ballast contact pressure in railway crossings using a Green's function approach

Xin Li, Jens Nielsen, Peter Torstensson
Journal of Sound and Vibration. Vol. 463
Artikel i vetenskaplig tidskrift
2019

Preface

Matthijs Klomp, Jens Nielsen, Fredrik Bruzelius
Vehicle System Dynamics. Vol. 57 (7), p. 935-935
Övrig text i vetenskaplig tidskrift
2019

Multi-objective optimisation of transition zones between slab track and ballasted track using a genetic algorithm

Emil Aggestam, Jens Nielsen
Journal of Sound and Vibration. Vol. 446, p. 91-112
Artikel i vetenskaplig tidskrift
2019

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

Rostyslav Skrypnyk, Magnus Ekh, Jens Nielsen et al
Wear. Vol. 428-429, p. 302-314
Artikel i vetenskaplig tidskrift
2019

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

Rostyslav Skrypnyk, Jens Nielsen, Björn Pålsson et al
Engineering with Computers. Vol. 35 (1), p. 139-155
Artikel i vetenskaplig tidskrift
2018

Preface

David Anderson, Pierre Etienne Gautier, Masanobu Iida et al
Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Vol. 139, p. v-vi
Övrig text i vetenskaplig tidskrift
2018

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

Rostyslav Skrypnyk, Magnus Ekh, Jens Nielsen et al
Proceedings of the 11th International Conference on Contact Mechanics and Wear of Rail/wheel Systems (CM2018), p. 902-907
Paper i proceeding
2018

An iterative methodology for the prediction of dynamic vehicle–track interaction and long-term periodic rail wear

Andreas Carlberger, Peter Torstensson, Jens Nielsen et al
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit. Vol. 232 (6), p. 1718-1730
Artikel i vetenskaplig tidskrift
2018

Hybrid model for prediction of impact noise generated at railway crossings

Peter Torstensson, G. Squicciarini, M. Krüger et al
Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Vol. 139, p. 759-769
Kapitel i bok
2018

Simulation of vertical dynamic vehicle–track interaction using a two-dimensional slab track model

Emil Aggestam, Jens Nielsen, Rikard Bolmsvik
Vehicle System Dynamics. Vol. 56 (11), p. 1633-1657
Artikel i vetenskaplig tidskrift
2018

Railway track geometry degradation due to differential settlement of ballast/subgrade – Numerical prediction by an iterative procedure

Jens Nielsen, Xin Li
Journal of Sound and Vibration. Vol. 412, p. 441-456
Artikel i vetenskaplig tidskrift
2018

Dynamic interaction between vehicle and slab track – Influence of track design parameters

Emil Aggestam, Jens Nielsen
The Dynamics of Vehicles on Roads and Tracks. Vol. 2, p. 699-704
Paper i proceeding
2018

Contributions of longitudinal track unevenness and track stiffness variation to railway induced vibration

M. Germonpré, Jens Nielsen, G. Degrande et al
Journal of Sound and Vibration. Vol. 437, p. 292-307
Artikel i vetenskaplig tidskrift
2018

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

Rostyslav Skrypnyk, Björn Pålsson, Jens Nielsen et al
The Dynamics of Vehicles on Roads and Tracks. Vol. 2, p. 705-710
Paper i proceeding
2018

Reproducibility of railway noise measurements—influence of weather and test site conditions

Jens Nielsen, E. Augis, F. Biebl
Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Vol. 139, p. 167-179
Kapitel i bok
2018

Multi-objective design optimisation of transition zones between different railway track forms

Emil Aggestam, Jens Nielsen, Andreas Andersson et al
Proceedings of the 11th International Conference on Contact Mechanics and Wear and Rail/Wheel Systems, p. 1-6
Paper i proceeding
2017

Simulation of vertical dynamic vehicle-track interaction in a railway crossing using Green's functions

Xin Li, Peter T Torstensson, Jens Nielsen
Journal of Sound and Vibration. Vol. 410, p. 318-329
Artikel i vetenskaplig tidskrift
2016

Switch panel design based on simulation of accumulated rail damage in a railway turnout

Jens Nielsen, Björn Pålsson, Peter Torstensson
Wear. Vol. 366-367 (SI), p. 241-248
Artikel i vetenskaplig tidskrift
2016

Vertical dynamic vehicle-track interaction in a railway crossing predicted by moving Green's functions

Xin Li, Peter Torstensson, Jens Nielsen
24th Symposium of the International Association for Vehicle System Dynamics, IAVSD 2015; Graz; Austria; 17 August 2015 through 21 August 2015, p. 1319-1327
Paper i proceeding
2016

The influence of corrugation on frictional stress at the rail-wheel interface

Roger Lundén, Jens Nielsen, Anders Ekberg
Civil-Comp Proceedings. Vol. 110
Artikel i vetenskaplig tidskrift
2016

Numerical prediction of rail corrugation growth on curves

Andreas Carlberger, Peter T Torstensson, Anders Frid et al
Proceedings of the 19h Nordic Seminar on Railway Technology, September 14 - 15, Luleå, Sweden (2016)
Övrigt konferensbidrag
2016

Hybrid model for prediction of impact noise generated at railway crossings

Peter Torstensson, Giacomo Squicciarini, Matthias Krüger et al
Proceedings of the 12h International Workshop on Railway Noise (IWRN12), Terrigal, Australia, September 12-16 (2016), p. 539 - 545
Paper i proceeding
2016

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

Xin Li, Magnus Ekh, Jens Nielsen
International Journal for Numerical and Analytical Methods in Geomechanics. Vol. 40 (12), p. 1758-1770
Artikel i vetenskaplig tidskrift
2015

Allowable wheel loads, crack sizes and inspection intervals to prevent rail breaks

Anders Ekberg, Elena Kabo, Jens Nielsen
Proceedings of the 11th International Heavy Haul Association Conference (IHHA 2015)
Paper i proceeding
2015

Rail corrugation growth on curves - measurements, modelling and mitigation

Peter Torstensson, Jens Nielsen
Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Vol. 126, p. 659-666
Artikel i vetenskaplig tidskrift
2015

Reducing train-induced ground-borne vibration by vehicle design and maintenance

Jens Nielsen, A. Mirza, S. Cervello et al
International Journal of Rail Transportation. Vol. 3 (1), p. 17-39
Artikel i vetenskaplig tidskrift
2015

Dynamic vehicle-track interaction in switches and crossings and the influence of rail pad stiffness - field measurements and validation of a simulation model

Björn Pålsson, Jens Nielsen
Vehicle System Dynamics. Vol. 53 (6), p. 734-755
Artikel i vetenskaplig tidskrift
2015

Reduction of Train Induced Ground Vibration by Vehicle Design

A. Mirza, A. Frid, Jens Nielsen
Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Vol. 126, p. 523-530
Artikel i vetenskaplig tidskrift
2015

Ground-Borne Vibration Mitigation Measures for Turnouts: State-of-the-Art and Field Tests

R. Muller, Jens Nielsen, B. Nelain et al
Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Vol. 126, p. 547-554
Artikel i vetenskaplig tidskrift
2015

A hybrid model for prediction of ground-borne vibration due to discrete wheel/rail irregularities

Jens Nielsen, G. Lombaert, S. Francois
Journal of Sound and Vibration. Vol. 345, p. 103-120
Artikel i vetenskaplig tidskrift
2015

Simulation of material degradation in track switches

Rostyslav Skrypnyk, Jim Brouzoulis, Magnus Ekh et al
Proceedings of the twenty eighth nordic seminar on computational mechanics, p. 157-159
Övrigt konferensbidrag
2015

Switch panel design based on simulation of accumulated rail damage in a railway turnout

Jens Nielsen, Björn Pålsson, Peter T Torstensson
Proceedings of the 10th International International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, Colorado Springs, USA, August-September 2015
Paper i proceeding
2014

The influence of contact modelling on simulated wheel/rail interaction due to wheel flats

Astrid Pieringer, Wolfgang Kropp, Jens Nielsen
Wear. Vol. 314 (1-2), p. 273-281
Artikel i vetenskaplig tidskrift
2014

Simulation of track settlement in railway turnouts

Xin Li, Jens Nielsen, Björn Pålsson
Vehicle System Dynamics. Vol. 52 (SUPPL. 1), p. 421-439
Artikel i vetenskaplig tidskrift
2014

Simulation of rail roughness growth on small radius curves using a non-Hertzian and non-steady wheel–rail contact model

Peter T Torstensson, Astrid Pieringer, Jens Nielsen
Wear. Vol. 314 (1-2), p. 241-253
Artikel i vetenskaplig tidskrift
2013

Rail corrugation growth on curves - measurements, modelling and mitigation

Peter Torstensson, Jens Nielsen
Proceedings of the 11th International Workshop on Railway Noise (IWRN11), Uddevalla, Sweden, September 9-13 (2013). Vol. 2, p. 727-734
Paper i proceeding
2013

Inverse identification of wheel-rail contact forces based on observation of wheel disc strains: an evaluation of three numerical algorithms

Hamed Ronasi, Jens Nielsen
Vehicle System Dynamics. Vol. 51 (1), p. 74-90
Artikel i vetenskaplig tidskrift
2012

Track gauge optimisation of railway switches using a genetic algorithm

Björn Pålsson, Jens Nielsen
Vehicle System Dynamics. Vol. 50 (SUPPL. 1), p. 365-387
Artikel i vetenskaplig tidskrift
2012

Design Optimization of Switch Rails in Railway Turnouts

Björn Pålsson, Jens Nielsen
9th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, CM 2012
Paper i proceeding
2012

Ground vibration induced by railway traffic - The influence of vehicle parameters

A.A Mirza, A. Frid, Jens Nielsen et al
Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Vol. 118, p. 259-266
Paper i proceeding
2012

Wheel-rail interaction and damage in switches and crossings

Björn Pålsson, Jens Nielsen
Vehicle System Dynamics. Vol. 50 (1), p. 43-58
Artikel i vetenskaplig tidskrift
2012

Dynamic train–track interaction at high vehicle speeds considering the inertial effects due to wheel rotation

Peter T Torstensson, Jens Nielsen, Luis Baeza
Journal of Sound and Vibration. Vol. 330, p. 5309-5321
Artikel i vetenskaplig tidskrift
2012

Simulation of rail roughness growth on small radius curves using a non-Hertzian and non-steady wheel-rail contact model

Peter Torstensson, Astrid Pieringer, Jens Nielsen
9th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, CM 2012; Chengdu; China; 27 August 2012 through 30 August 2012, p. 223-230
Paper i proceeding
2012

High-Frequency Vertical Wheel-Rail Contact Forces at High Vehicle Speeds-The Influence of Wheel Rotation

Peter Torstensson, Jens Nielsen, Luis Baeza
Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Vol. 118, p. 43-50
Paper i proceeding
2012

The influence of contact modelling on simulated wheel/rail interaction due to wheel flats

Astrid Pieringer, Wolfgang Kropp, Jens Nielsen
Proceedings of the 9th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems (CM2012), Chengdu, China, August 27-30, 2012, p. 406-415
Paper i proceeding
2011

In situ performance of a ballasted railway track with under sleeper pads

P. Schneider, Rikard Bolmsvik, Jens Nielsen
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit. Vol. 225 (F3), p. 299-309
Artikel i vetenskaplig tidskrift
2011

Kinematic Gauge Optimization of Switches Using Genetic Algorithms

Björn Pålsson, Jens Nielsen
International Symposium on Dynamics of Vehicles on Roads and Tracks, Manchester, August 2011
Övrigt konferensbidrag
2011

Simulering av dynamisk tåg-spår interaktion i snäva kurvor

Peter T Torstensson, Jens Nielsen
Svenska Mekanikdagar 13-15 juni 2011 Chalmers Göteborg
Övrigt konferensbidrag
2011

Track condition analyser: identification of rail rolling surface defects, likely to generate fatigue damage in wheels, using instrumented wheelset measurements

Per Gullers, Paul Dreik, Jens Nielsen et al
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit. Vol. 225 (1), p. 1-13
Artikel i vetenskaplig tidskrift
2011

Simulation of dynamic vehicle-track interaction on small radius curves

Peter Torstensson, Jens Nielsen
Vehicle System Dynamics. Vol. 49 (11), p. 1711-1732
Artikel i vetenskaplig tidskrift
2011

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

Anders Johansson, Björn Pålsson, Magnus Ekh et al
Wear. Vol. 271 (1-2), p. 472-481
Artikel i vetenskaplig tidskrift
2011

Acceptance criterion for rail roughness level spectrum based on assessment of rolling contact fatigue and rolling noise

Jens Nielsen, Anders Ekberg
Wear. Vol. 271 (1-2), p. 319-327
Artikel i vetenskaplig tidskrift
2011

Track model validation for simulation of train–turnout dynamics

Björn Pålsson, Jens Nielsen
Proceedings International Heavy Haul Conference, Calgary, June 2011
Poster (konferens)
2011

Dynamic train-track interaction at high vehicle speeds-Modelling of wheelset dynamics and wheel rotation

Peter T Torstensson, Jens Nielsen, Luis Baeza
Journal of Sound and Vibration. Vol. 330 (22), p. 5309-5321
Artikel i vetenskaplig tidskrift
2010

Track condition analyser – assessment of need for track maintenance based on instrumented wheelset measurements

Per Gullers, Paul Sundvall, Jens Nielsen et al
Proceedings 16th International Wheelset Congress, p. 12 pp-
Paper i proceeding
2010

DAMAGE IN SWITCHES AND CROSSINGS CONSIDERING STOCHASTIC SPREAD IN RAILWAY TRAFFIC PARAMETERS

Björn Pålsson, Jens Nielsen
Proceedings of RASD 2010 - 10th International Conference on Recent Advances in Structural Dynamics, Southampton, England, July 12-14 2010
Paper i proceeding
2010

High-frequency vertical wheel–rail contact forces at high vehicle speeds – the influence of wheel rotation

Peter Torstensson, Jens Nielsen, Luis Baeza
Proceedings of 10th International Workshop on Railway Noise (IWRN10), Nagahama, Japan, October (2010), p. 43-50
Paper i proceeding
2010

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

D. Nicklisch, Elias Kassa, Jens Nielsen et al
Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit. Vol. 224 (F4), p. 279-292
Artikel i vetenskaplig tidskrift
2009

Monitoring of rail corrugation growth due to irregular wear on a railway metro curve

Peter Torstensson, Jens Nielsen
Wear. Vol. 267 (1-4), p. 556-561
Artikel i vetenskaplig tidskrift
2009

Out-of-round railway wheels

Jens Nielsen
Wheel/Rail Interface Handbook (editors R Lewis and U Olofsson), Woodhead Publishing, Cambridge (UK), p. 245-279
Kapitel i bok
2009

Analysis of static fractures of rails due to wheel flats

Elena Kabo, Anders Ekberg, Jens Nielsen
Rapport
2009

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

Anders Johansson, Björn Pålsson, Magnus Ekh et al
8th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems, 15th-18th September, Firenze, Italy, p. 987-996
Paper i proceeding
2009

Dynamic train–turnout interaction in an extended frequency range using a detailed model of track dynamics

Elias Kassa, Jens Nielsen
Journal of Sound and Vibration. Vol. 320 (4-5), p. 893-914
Artikel i vetenskaplig tidskrift
2009

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

Dirk Nicklisch, Jens Nielsen, Magnus Ekh et al
Proceedings 21st International Symposium on Dynamics of Vehicles on Roads and Tracks, Stockholm, Sweden, August 17-21, 2009, 14 pages (available on CD)
Paper i proceeding
2009

Acceptance criterion for rail roughness level spectrum based on assessment of rolling contact fatigue and rolling noise

Jens Nielsen, Anders Ekberg
Proceedings of the 8th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems. Vol. 2, p. 409-418
Paper i proceeding
2009

Monitoring of rail corrugation growth due to irregular wear on a railway metro curve

Peter T Torstensson, Jens Nielsen
Proceedings of 17th International Conference on WEAR OF MATERIALS (WOM2009), Las Vegas, USA, April (2009)
Paper i proceeding
2009

Monitoring of rail corrugation growth due to irregular wear on a railway metro curve

Peter Torstensson, Jens Nielsen
Wear. Vol. 267, p. 556-561
Artikel i vetenskaplig tidskrift
2008

Dynamic interaction between train and turnout - full-scale field test and validation of simulation models

Elias Kassa, Jens Nielsen
Vehicle System Dynamics. Vol. 46 (S1 & 2), p. 521-534
Artikel i vetenskaplig tidskrift
2008

Assessment of methods for calculating contact pressure in wheel-rail/switch contact

Martina Wiest, Elias Kassa, Werner Daves et al
Wear. Vol. 265, p. 1439-1445
Artikel i vetenskaplig tidskrift
2008

Stochastic analysis of dynamic interaction between train and turnout

Elias Kassa, Jens Nielsen
Vehicle System Dynamics. Vol. 46, p. 429-449
Artikel i vetenskaplig tidskrift
2008

Rail roughness level assessment based on high-frequency wheel-rail contact force measurements

Jens Nielsen
Noise and Vibration Mitigation for Rail Transportation Systems, Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Vol. 99, p. 355-362
Paper i proceeding
2008

High-frequency vertical wheel-rail contact forces - validation of a prediction model by field testing

Jens Nielsen
Wear. Vol. 265, p. 1465-1471
Artikel i vetenskaplig tidskrift
2008

A Time Domain Model for Wheel/Rail Interaction Aiming to Include Non-linear Contact Stiffness and Tangential Friction

Astrid Pieringer, Wolfgang Kropp, Jens Nielsen
Noise and Vibration Mitigation, NNFM 99, Springer-Verlag, Berlin Heidelberg., p. 285-291
Kapitel i bok
2008

Under Sleeper Pads - Influence on Dynamic Train-Track Interaction

Anders Johansson, Jens Nielsen, Rikard Bolmsvik et al
Wear. Vol. 265 (9-10), p. 1479-1487
Artikel i vetenskaplig tidskrift
2007

Dynamic interaction between train and railway turnout – full-scale field test and validation of simulation models

Elias Kassa, Jens Nielsen
Proceedings 20th International Symposium: Dynamics of Vehicles on Roads and Tracks, Berkeley, CA, USA, p. 16-
Paper i proceeding
2007

Rail Corrugation Growth - Influence of Powered Wheelsets with Wheel Tread Irregularities

Anders Johansson, Jens Nielsen
Wear. Vol. 262 (11-12), p. 1296-1307
Artikel i vetenskaplig tidskrift
2007

Subsurface initiated rolling contact fatigue of railway wheels as generated by rail corrugation

Anders Ekberg, Elena Kabo, Jens Nielsen et al
International Journal of Solids and Structures. Vol. 44, p. 7975-7987
Artikel i vetenskaplig tidskrift
2007

Rail roughness level assessment based on high-frequency wheel–rail contact force measurements

Jens Nielsen
Proceedings of the 9th International Workshop on Railway Noise (IWRN9), Munich, Germany, p. 6-
Paper i proceeding
2007

A time domain model for the wheel/rail interaction aiming to include non-linear contact stiffness and tangential friction

Astrid Pieringer, Wolfgang Kropp, Jens Nielsen
Proceedings of the 9th International Workshop on Railway Noise (IWRN9),Munich, Germany, 2007 (published on CD)
Paper i proceeding
2006

Railway vehicle/track interaction analysis using a modal substructuring approach

Luis Baeza, A Roda, Jens Nielsen
Journal of Sound and Vibration. Vol. 293 (1-2), p. 112-124
Artikel i vetenskaplig tidskrift
2006

Assessment of methods for calculating contact pressure in wheel–rail/switch contact

Martina Wiest, Elias Kassa, Werner Daves et al
Proceedings 7th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems (CM2006), Brisbane, Australia, p. 501-508
Paper i proceeding
2006

Simulation of dynamic interaction between train and railway turnout

Elias Kassa, Clas Andersson, Jens Nielsen
Vehicle System Dynamics. Vol. 44 (3), p. 247-258
Artikel i vetenskaplig tidskrift
2006

Under sleeper pads – influence on dynamic train–track interaction

Anders Johansson, Jens Nielsen, Rikard Bolmsvik et al
Proceedings 7th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems (CM2006), Brisbane, Australia, p. 583-592
Paper i proceeding
2006

Prediction of dynamic train-track interaction and subsequent material deterioration in the presence of insulated rail joints

Elena Kabo, Jens Nielsen, Anders Ekberg
Vehicle System Dynamics. Vol. 44 (S1), p. 718 - 729
Artikel i vetenskaplig tidskrift
2006

Multi-disciplinary optimization of railway wheels

Jens Nielsen, C. R. Fredö
Journal of Sound and Vibration. Vol. 293 (3-5), p. 510-521
Artikel i vetenskaplig tidskrift
2006

High-frequency vertical wheel–rail contact forces – validation of a prediction model by field testing

Jens Nielsen
Proceedings 7th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems (CM2006), Brisbane, Australia, p. 41-48
Paper i proceeding
2005

Influence of railway wheel flat impact on crack growth in rails

Jens Nielsen, Jonas Ringsberg, Luis Baeza
Proceedings of The 8th International Heavy Haul Conference (IHHC8), p. 1-10
Paper i proceeding
2005

Influence of short-pitch wheel/rail corrugation on rolling contact fatigue of railway wheels

Jens Nielsen, Anders Ekberg, Roger Lundén
Proc Instn Mech Engrs Part F - Journal of Rail and Rapid Transit. Vol. 219, p. 177-187
Artikel i vetenskaplig tidskrift
2005

Out-of-Round Railway Wheels - Influence of Powered Wheelsets with Tread Braking on Rail Corrugation Growth

Anders Johansson, Jens Nielsen
19th IAVSD Symposium, Dynamics of Vehicles on Roads and Tracks, Milan, Italy, August 29 - September 2, 2005
Övrigt konferensbidrag
2005

Fatigue evaluation of surface coated railway rails using shakedown theory, finite element calculations, and lab and field trials

Jonas Ringsberg, Francis Franklin, Lennart Josefson et al
International Journal of Fatigue. Vol. 27 (6), p. 680-694
Artikel i vetenskaplig tidskrift
2005

Two-material rail development: field test results regarding rolling contact fatigue and squeal behaviour

Martin Hiensch, Per-Olof Larsson, Olof Nilsson et al
Wear. Vol. 258 (7-8), p. 964-972
Artikel i vetenskaplig tidskrift
2005

Prediction of dynamic train–track interaction and subsequent material deterioration in the presence of insulated rail joints

Elena Kabo, Jens Nielsen, Anders Ekberg
Proceedings 19th IAVSD symposium, Milano, Italy, 29 August – 2 September, p. 3 pp-
Paper i proceeding
2004

Simulation of dynamic train-track interaction with state-dependent track properties

Jens Nielsen, Johan Oscarsson
Journal of Sound and Vibration. Vol. 275 (3-5), p. 515-532
Artikel i vetenskaplig tidskrift
2004

Multi-disciplinary optimization of railway wheels

Jens Nielsen, Claes Fredö
Proceedings 8th International Workshop on Railway Noise. Vol. 1, p. 12-
Paper i proceeding
2004

Integrated analysis of dynamic train–track interaction and rolling contact fatigue

Jens Nielsen, Anders Ekberg, Elena Kabo et al
14th International Wheelset Congress, p. 15 pp-
Paper i proceeding
2003

Integrating rolling contact fatigue analysis with simulation of dynamic train–track interaction

Anders Ekberg, Elena Kabo, Jens Nielsen
Proceedings of the 3rd International Conference ‘XXI Century Rolling Stock (ideas, requirements, projects)’, St Petersburg, Russia, July 3–5, 2003, p. 11 pp-
Paper i proceeding
2003

Two-material rail for RCF and noise control

Martin Hiensch, Per-Olof Larsson, Didier Levy et al
Övrigt konferensbidrag
2003

Two-material rail development: Field test results regarding rolling contact fatigue and squeal behaviour

Martin Hiensch, Per-Olof Larsson, Olof Nilsson et al
Proceedings of The 6th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems (CM 2003), p. 39-48
Paper i proceeding
2003

Out-of-Round Railway Wheels - Wheel-Rail Contact Forces and Track Response Derived from Field Tests and Numerical Simulations

Anders Johansson, Jens Nielsen
Proceedings of the Institution of Mechanical Engineers Part F: Journal of Rail and Rapid Transit. Vol. 217 (F2), p. 135-146
Artikel i vetenskaplig tidskrift
2003

Prevention of RCF damage in curved track through development of the INFRA-STAR two-material rail

Martin Hiensch, Francis Franklin, Jens Nielsen et al
Fatigue & Fracture of Engineering Materials & Structures. Vol. 26 (10), p. 1007-1017
Artikel i vetenskaplig tidskrift
2003

Train-Track Interaction and Mechanisms of Irregular Wear on Wheel and Rail Surfaces

Jens Nielsen, Roger Lundén, Anders Johansson et al
Vehicle System Dynamics. Vol. 40 (1-3), p. 3-54
Artikel i vetenskaplig tidskrift
2003

Researchers on the track of wheel-rail interaction

Anders Ekberg, Elena Kabo, Jens Nielsen et al
Railway Gazette International. Vol. 159 (6), p. 397-399
Artikel i övrig tidskrift
2001

Railway Wheel Out-of-Roundness - Influence on Wheel/Rail Contact Forces and Track Response

Jens Nielsen, Anders Johansson
13th International Wheelset Congress, Rome, Italy, September 17-21, 2001
Övrigt konferensbidrag
2001

Two-material rail development to prevent rolling contact fatigue and to reduce noise levels in curved rail track

Martin Hiensch, Ajay Kapoor, Lennart Josefson et al
Övrigt konferensbidrag
2000

Out-of-Round Railway Wheels - a Literature Survey

Jens Nielsen, Anders Johansson
Proceedings of the Institution of Mechanical Engineers Part F: Journal of Rail and Rapid Transit. Vol. 214 (F2), p. 79-91
Artikel i vetenskaplig tidskrift
1998

Out-of-Round Railway Wheels - A Literature Survey

Anders Johansson, Jens Nielsen
Rapport

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Visar 7 forskningsprojekt

2021–2023

Driving research and innovation to push Europe's rail system forward (IN2TRACK3)

Anders Ekberg Dynamik
Elena Kabo Dynamik
Jens Nielsen Dynamik
Magnus Ekh Material- och beräkningsmekanik
Johan Ahlström Konstruktionsmaterial
Astrid Pieringer Teknisk akustik
Fredrik Larsson Material- och beräkningsmekanik
Jannik Theyssen Teknisk akustik
Michele Maglio Dynamik
Daniel Gren Konstruktionsmaterial
Erika Steyn Konstruktionsmaterial
Björn Pålsson Dynamik
Caroline Ansin Material- och beräkningsmekanik
Björn Andersson Material- och beräkningsmekanik
Mohammad Salahi Nezhad Material- och beräkningsmekanik
Nasrin Talebi Material- och beräkningsmekanik
Henrik Vilhelmson Dynamik
Tore V Vernersson Dynamik
Eric Landström Voortman Dynamik
Kourosh Nasrollahi Dynamik
Trafikverket
Europeiska kommissionen (EU)

26 publikationer finns
2019–2024

Modellbaserad tillståndsövervakning av växlar och korsningar (CHARMEC TS21)

Björn Pålsson Dynamik
Håkan Johansson Dynamik
Marko Milosevic Dynamik
Jens Nielsen Dynamik
Chalmers järnvägsmekanik (CHARMEC)

2018–2021

In2Track-2 (CHARMEC EU19)

Elena Kabo Dynamik
Fredrik Larsson Material- och beräkningsmekanik
Dimosthenis Floros Material- och beräkningsmekanik
Astrid Pieringer Teknisk akustik
Casey Jessop Konstruktionsmaterial
Wolfgang Kropp Teknisk akustik
Johan Ahlström Konstruktionsmaterial
Xin Li Dynamik
Magnus Ekh Material- och beräkningsmekanik
Michele Maglio Dynamik
Daniel Gren Konstruktionsmaterial
Björn Pålsson Dynamik
Roger Lundén Dynamik
Marko Milosevic Dynamik
Lennart Josefson Material- och beräkningsmekanik
Emil Aggestam Dynamik
Anders Ekberg Dynamik
Jens Nielsen Dynamik
Tore V Vernersson Dynamik
Rostyslav Skrypnyk Dynamik
Erika Steyn Konstruktionsmaterial
Christer Persson Konstruktionsmaterial
Björn Andersson Material- och beräkningsmekanik
Knut Andreas Meyer Material- och beräkningsmekanik
Mohammad Salahi Nezhad Material- och beräkningsmekanik
Jannik Theyssen Teknisk akustik
Trafikverket
Europeiska kommissionen (EU)

49 publikationer finns
2018–2023

Löpbaneskador på hjul – identifiering och konsekvenser (CHARMEC TS20)

Elena Kabo Dynamik
Michele Maglio Dynamik
Jens Nielsen Dynamik
Tore V Vernersson Dynamik
Chalmers järnvägsmekanik (CHARMEC)

1 publikation finns
2016–2021

Designkriterier för ballastfria spår (CHARMEC TS19)

Jens Nielsen Dynamik
Anders Ekberg Dynamik
Emil Aggestam Dynamik
Chalmers järnvägsmekanik (CHARMEC)
Trafikverket

2 publikationer finns
2015–2020

Optimering av material i spårväxlar (CHARMEC TS17)

Jens Nielsen Dynamik
Björn Pålsson Dynamik
Magnus Ekh Material- och beräkningsmekanik
Rostyslav Skrypnyk Dynamik
Chalmers järnvägsmekanik (CHARMEC)

1 publikation finns
2003–2021

Integrerad spårdynamik (CHARMEC TS8)

Jens Nielsen Dynamik
Chalmers järnvägsmekanik (CHARMEC)

Det kan finnas fler projekt där Jens Nielsen medverkar, men du måste vara inloggad som anställd på Chalmers för att kunna se dem.