Wolfgang Kropp

REDUCING ROLLING NOISE IN RAILWAY WHEELS WITH CONSTRAINED LAYER DAMPING TREATMENTS CONSIDERING COMPREHENSIVE VISCOELASTIC MODELS

2023

A time-domain model for railway rolling noise

2023

On the efficient simulation of pass-by noise signals from railway wheels

2023

Traffic Noise at Moderate Levels Affects Cognitive Performance: Do Distance-Induced Temporal Changes Matter?

2023

A model study of low-frequency noise exposure indoors due to road traffic

2022

Model-based estimation of rail roughness from axle box acceleration

2022

Efficient calculation of the three-dimensional sound pressure field around a railway track

2022

Using track-elasticity for noise mitigation on low-vibration track

2022

Measurement, Simulation and Auralization of Indoor Road Traffic Noise

2021

The low-noise potential of low-vibration track

2021

Investigating Low Frequency Sound from Traffic in a Living Room Lab

2021

The application of dither to mitigate curve squeal

The Influence of Track Parameters on the Sound Radiation from Slab Tracks

2021

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

2021

Sound Radiation from Railway Wheels including Ground Reflections: A half-space formulation for the Fourier Boundary Element Method

2021

Application of the LMS algorithm to identify the surface velocity responsible for the radiated sound pressure

2021

A virtual design studio for low frequency impact sound from walking

2020

How can we plan for a good urban sound environment, focusing on road traffic noise?

Tutorial on scaling of the discrete fourier transform and the implied physical units of the spectra of time-discrete signals

2020

Let the Children Listen: A First Approximation to the Sound Environment Assessment of Children through a Soundwalk Approach

Modelling tyre noise in finite element simulations for pass-by noise predictions

Auralization of simulated tyre noise: Psychoacoustic validation of a combined model

2019

The application of dither for suppressing curve squeal

The influence of tyre cavity resonances on the exterior noise

2018

Auralization model for the perceptual evaluation of tyre–road noise

2018

Person identification from walking sound on wooden floor

Modeling tyre/road noise in FE simulations for pass-by noise predictions

Influence of spin creepage and contact angle on curve squeal: A numerical approach

Investigating generation mechanisms of tyre/road noise by speed exponent analysis

Contact stiffness considerations when simulating tyre/road noise

Active control of impact sound

2016

SONORUS Urban sound planning project and test sites: an example within the planning stage

2016

Background traffic noise synthesis

Identification of Low-Frequency Forces Induced by Footsteps on Lightweight Floors

Simulation des Rollgeräusches von LKW-Reifen für verschiedene Fahrbahn-/Riefenprofilkombinationen

The Simulation of Tyre/Road Interaction and Exterior Rolling Noise for Road Surfaces With Transversal Discontinuities

2016

Soundwalks in Gothenburg

Application of LMS Algorithm to Measure Low-Frequency Transient Forces from Human Walking

Separating the contributions from air-pumping and tyre vibrations by speed dependency analysis of tyre/road noise

2016

URBAN SOUND PLANNING – the SONORUS project

2016

Isolating key features in urban traffic dynamics and noise emission: a study on a signalized intersection and a roundabout

2016

Influence of the ground/structure interaction on the calculation of the force at the wheel/rail contact

2016

Urban space and the sound environment: Transport system, urban morphology, quiet side and space users in the SONORUS project

Urban sound planning - The SONORUS project

Perception of Tyre Noise: Can Tyre Noise be Differentiated and Characterized by the Perception of a Listener Outside the Car?

An engineering time-domain model for curve squeal: Tangential point-contact model and Green's functions approach

Auralisation methods as tools for urban traffic noise assessment

There’s a car coming? - Psychometric function for car pass-by in background noise based on simulated data

2015

A model for investigating the influence of road surface texture and tyre tread pattern on rolling resistance

Vägdesign och bulleremission – exempel på dynamisk bullerkarta

2015

SONORUS report on Göteborg Test Site including Urban Sound Planning Workshop

2015

Modelling of railway curve squeal including effects of wheel rotation

2015

The simulation of truck tire rolling noise

Structure-borne sound characterization of structures in coupled conditions applying a time domain approach

2015

Traffic dynamics, road design and noise emission: a study case

Der Einfluss der lokalen Variation der Oberflächentextur auf die Simulation von Rollgeräusch und Rollwiderstand

2015

Towards an engineering model for curve squeal

2014

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

2014

Importance of tread inertia and damping on the tyre/road contact stiffness

2014

Incorporation of the quiet side in noise maps

SONORUS - Training Urban Sound Planners by Education and Research

Optimierung der Auralisierung von Reifengeraeuschen basierend auf dem Modellierungs-Tool SPERoN

Quieter cities of the future

2014

Numerische Simulation von Rollgeräusch und Rollwiderstand von LKW-Antriebsachsenreifen

Wave Content of Wooden Floors

Introduction to traffic noise abatement

2014

Extending the scope of urban sound planning by education and research

2013

A comparison between Finite Element and Waveguide Finite Element Methods for the simulation of tire/road interaction

Auralization of tyre/road noise based on the SPERoN prediction tool

A mixed physical and statistical approach for the prediction of tyre/road noise

Predicting rolling resistance as function of road surface and tyre profile

2013

The influence of modelling parameters on the simulation of car tyre rolling noise and rolling resistance

Robust calculation of simultaneous multichannel blocked force signatures from measurements made in-situ using an adaptive algorithm in time domain

Sound generation and sound radiation from tyres

2013

The contribution of air-pumping to tyre/road noise

2013

The influence of lateral road surface resolution on the simulation of car tyre rolling losses and rolling noise

2012

A Simulation-Based Parameter Study of Car Tyre Rolling Losses and Sound Generation

Analysis of the acoustic characteristics and optimization potential of road surfaces - One focus within the project "Quiet Road Traffic 3"

2012

Modelling the interior sound field of a railway vehicle using statistical energy analysis

Numerical Modelling of Tyre/Road Interaction

On the sound radiation of a rolling tyre

A time-domain model for coupled vertical and tangential wheel/rail interaction - a contribution to the modelling of curve squeal

2012

Simulationsbasierte Parameterstudie zum Zusammenhang zwischen Rollgeräusch und Rollwiderstand von PKW-Reifen

2012

Integrated Solutions for Noise & Vibration Control in Vehicles

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

Parameter study of car tyre rolling losses based on waveguide-finite-element modelling

2011

Waveguide-Finite-Element basierte Parameterstudie zum Rollwiderstand von PKW-Reifen

2011

Waveguide-Finite-Element based parameter study of car tyre rolling losses

SOUND RADIATION FROM A ROLLING TYRE

Reduction of Tyre/Road Noise – A complex challenge needing technological development

2011

Ein nichtlineares dreidimensionales Modell zur Berechnung von Rollgeräuschen und Kurvenquietschen

Sound radiation of a rolling tyre

2011

Investigation of the dynamic contact filter effect in vertical wheel/rail interaction using a 2D and a 3D non-Hertzian contact model

Numerical Modelling of Tyre/Road Interaction

Time-domain model of a tapping machine

A waveguide finite element aided analysis of the wave field on a stationary tyre, not in contact with the ground

On the design of structural junctions for the purpose of hybrid passive-active vibration control

Typisierung von Reifen und Fahrbahnbelägen

Ljudlandskap för bättre hälsa. Beskrivning och sammanfattning av ombyggnadsprojektet i Partille

2010

A Time-Domain Model for High-Frequency Wheel/Rail Interaction Including Tangential Friction

2010

Investigation of stress-distribution in a car tyre with regards to rolling resistance

Improving efficiency of thermoacoustic refrigerators by a secondary source

Time-domain modelling: Combining ESM and a finite-difference method for thermoacoustic devices

Modellbildung zur Minderung des Rollgeräusches – eine unendliche Geschichte?

Investigation of a hybrid passive-active vibration-control configuration

Investigation of the dynamic contact filter effect in vertical wheel/rail interaction using a 2D and a 3D non-Hertzian contact model

Time-domain modelling of thermoacoustic devices: Combining esm and finite-difference methods

Rapid tyre/road separation: An experimental study of adherence forces and noise generation

Feedforward control of bending waves in frequency domain at structural junctions using an impedance formulation

Time-domain modelling: Combining ESM and FDTD methods for acoustic wave propagation

Tyre/road noise prediction: A comparison between the SPERoN and HyRoNE models, Part 1

Tyre/road noise prediction: A comparison between the SPERoN and HyRoNE models, Part 2

2008

Ljudlandskap för bättre hälsa. Resultat och slutsatser från ett multidisciplinärt forskningsprogram

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

Time-domain modelling of thermoacoustic devices: Reflections from the stack

The influence of tyre design on tyre/road noise – some fundamental thoughts

Influence of bolted items on modal analysis performed on a car body

2008

A fast time-domain model for wheel/rail interaction demonstrated for the case of impact forces caused by wheel flats

Time domain contact model for tyre/road interaction including nonlinear contact stiffness due to small-scale roughness

A model to evaluate the importance of tangential contact forces for tyre/road noise generation.

Active scattering control of flexural waves at beam junctions: The influence of beam properties on power flow and control effort

An impedance matching technique for active-passive vibration control

The influence of material parameters and geometry on an active junction

A time domain model of a resonance tube containing a porous ceramic material

Reduction potential of road traffic noise – A Pilot Study

A study of parameters affecting noise on a heavy duty DI engine

Wave content of the vibrating filed of a rolling tyre

2007

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

Scale model measurements and numerical modelling for directly exposed and shielded urban street canyons

Modeling the vibrational response of truck tyres

A phenomenological model of active constrained layers

Quantification of damping mechanisms of active constrained layer treatments

A scale model study of parallel urban street canyons

A model for the dynamic response of truck tyres based on two elastic layers

A study of forces and noise generation in a contact including adhesive bonds

Study of Crossbar Tyres in Rolling Conditions

High Frequency Dynamic Behaviour of Smooth and Patterned Passenger Car Tyres

A phenomenological model of active constrained layers

Soundscape Support to Health: Final Report Phase 1

2004

The failure of traditional traffic noise control for quiet areas

A three-dimensional contact model for tyre/road interaction in rolling conditions

Tyre/Road Noise Generation — Modelling and Understanding

Ögren, M., Forssén, J. and Kropp, W. Including turbulence and absorption effects in city canyon calculations

The Generation of the Tyre/Road Noise — Mechanisms and Models

Experimental Study of High Frequency Response of Tyres

The Modelling of Tyre/Road Noise — A Quasi Three-Dimensional Model

A Method for Experimental Collection of Global Material Data for Tyres

Investigation of Driving Point and Transfer Mobilities of Simple Tread Blocks on a Tyre

Simulation of the Tyre/Road Noise

Modelling of Dynamical Rolling Contact Forces

Optimisation of Damping Layers