Jens Forssén
Jens is professor at the Division of Applied Acoustics, research group Vibroacoustics, at Chalmers. His area of research is outdoor sound propagation and environmental noise. The research deals mainly with physical modelling and numerical methods, but measurements is also an integral part.
Among the research topics are: general outdoor acoustics, i.e. effects of meteorology, terrain and ground conditions, sound propagation in urban environments, sound propagation to inner yards, road and rail traffic noise, wind turbine noise, noise barriers, performance of noise barriers in conditions of atmospheric turbulence, statistical parameters of urban acoustics and auralization of road vehicles and urban acoustics.
Showing 158 publications
Using urban form to increase the capacity of cities to manage noise and air quality
A model study of low-frequency noise exposure indoors due to road traffic
Measurement, Simulation and Auralization of Indoor Road Traffic Noise
Air Quality Modeling in Dense Urban Areas at Ground Level—CFD, OSM or Gauss?
Road traffic noise disease burden estimates for a model study of varying urban morphology cases
Visualisation of traffic noise exposure and health impact in a 3D urban environment
Investigating Low Frequency Sound from Traffic in a Living Room Lab
Visualisering och auralisering av buller i stadsmiljö
How can we plan for a good urban sound environment, focusing on road traffic noise?
An urban planning tool demonstrator with auralisation and visualisation of the sound environment
An aeroacoustic study of the flow surrounding the front of a simplified ICE3 high-speed train model
Utmaning med lågfrekvent buller inomhus vid stadsförtätning
Increasing cities' capacity to manage noise and air quality using urban morphology
Performance of a Low-Height Acoustic Screen for Urban Roads: Field Measurement and Numerical Study
Creating sound immission mimicking real-life characteristics from a single wind turbine
Prediction of quiet side levels in noise map calculations - an initial suggestion of methodology
Low-frequency outdoor-indoor noise level difference for wind turbine assessment
Wind Turbine Noise and Sleep: Pilot Studies on the Influence of Noise Characteristics
Is the sound environment relevant for how people use common spaces?
Auralization model for the perceptual evaluation of tyre–road noise
Visualizing environmental data for pedestrian comfort analysis in urban planning processes
Generating sequences of acoustic scintillations
URBAN SOUND PLANNING – the SONORUS project
Urban sound planning - The SONORUS project
Off-peak low noise heavy-duty vehicles, façade insulation and indoor noise disturbance
Background traffic noise synthesis
A low-height acoustic screen in a setting with an urban road: measured and predicted insertion loss
SONORUS Urban sound planning project and test sites: an example within the planning stage
Auralisation methods as tools for urban traffic noise assessment
Traffic dynamics, road design and noise emission: a study case
SONORUS report on Göteborg Test Site including Urban Sound Planning Workshop
The 2.5D MST for sound propagation through arrays of cylinders parallel to the ground
Vägdesign och bulleremission – exempel på dynamisk bullerkarta
Perceptual validation of auralized heavy-duty vehicle
Noise responses before and after noise abatement measures in a residential intervention project
Perceptual validation of auralized heavy-duty vehicles
Using natural means to reduce surface transport noise during propagation outdoors
Suggested facade cases for study of sound insulation considering wall, window and air intake
Urban background noise mapping: The multiple-reflection correction term
Vegetation in urban streets, squares, and courtyards
Introduction to traffic noise abatement
A Model of Sound Scattering by Atmospheric Turbulence for Use in Noise Mapping Calculations
Optimierung der Auralisierung von Reifengeraeuschen basierend auf dem Modellierungs-Tool SPERoN
Benchmark cases in 3D diffraction with different methods
Incorporation of the quiet side in noise maps
Urban Background Noise Mapping: The General Model
SONORUS - Training Urban Sound Planners by Education and Research
Porous ground, crops, and buried resonators
Scattering by an array of perforated cylinders with a porous core
Shape-optimal design of graded index sonic crystal formations using natural cubic splines
Extending the scope of urban sound planning by education and research
Upward refraction of sound propagating outdoors by a graded index sonic crystal noise barrier
NOVEL SOLUTIONS FOR QUIETER AND GREENER CITIES
Improving the acoustic performance of low noise road surfaces using resonators
The potential of building envelope greening to achieve quietness
Auralization of tyre/road noise based on the SPERoN prediction tool
Auralisation of truck engine sound – preliminary results using a granular approach
Shape-optimal design of graded index sonic crystal noise barriers with line defects
On the improved point-to-point calculations for noise mapping in shielded urban areas
Modelling the interior sound field of a railway vehicle using statistical energy analysis
The effect of creating a quiet side on annoyance and sleep disturbances due to road traffic noise
An interactive auralization method using real-time sound sources
Effect of vegetation on noise propagation in streets and squares
An efficient model for background noise mapping
Modelling of scattering of sound from trees by the PSTD method
Perceptual validation of auralized road traffic noise
LISTEN – Auralization of Urban Soundscapes. Final report to the Knowledge Foundation
Exterior Auralization of Traffic Noise within the LISTEN project
Excess attenuation for sound propagation over an urban canyon
The extended Fourier pseudospectral time-domain method for atmospheric sound propagation
Wind Turbine Noise Propagation over Flat Ground: Measurements and Predictions
Numerical study to the influence of façade openings on noise levels in urban courtyards
Ljudlandskap för bättre hälsa. Beskrivning och sammanfattning av ombyggnadsprojektet i Partille
Noise abatement schemes for shielded canyons
Människors upplevelse av ljud från vindkraftverk
A scale model study of parallel urban canyons
Characteristics of road traffic noise level statistics for shielded areas.
A numerical study of sound propagation over urban canyons.
Developments in the eigenfunction expansion method for atmospheric sound propagation
Ljudlandskap för bättre hälsa. Resultat och slutsatser från ett multidisciplinärt forskningsprogram
The 2.5-dimensional equivalent sources method for directly exposed and shielded urban canyons
Improving the shielding of road traffic noise in courtyards: absorption treatments.
Reduction potential of road traffic noise – A Pilot Study
Statistics of road traffic noise levels in shielded urban areas.
Statistics of road traffic noise in shielded urban areas: an initial study of A-weighted levels
Statistics of road traffic noise in shielded urban areas: An initial study of A-weighted levels
Statistics of A-weighted road traffic noise levels in shielded urban areas
Variationer hos trafikbuller under korta tider
A scale model study of parallel urban street canyons
Buller i staden alltid närvarande
An analytical solution for a low barrier in a turbulent atmosphere
An analytical solution for a low barrier in a turbulent atmosphere
En undersökning i skalmodell för att förklara fysiken bakom utbredning av buller
The failure of traditional traffic noise control for quiet areas
Further applications of the substitute-sources method
Modelling of a city canyon problem in a turbulent atmosphere using an equivalent sources approach
Modelling ground roughness effects in a substitute sources method (SSM)
An extended substitute-sources method for a turbulent atmosphere: Calculations for upward refraction
Sound propagation in a turbulent atmosphere: An approach using substitute sources
Sound propagation in a turbulent atmosphere: An approach using substitute sources
The Influence of Atmospheric Turbulence on Barrier Sound Reduction
Prediction of noise levels in shielded urban areas
Approximative model for the influence of atmospheric turbulence on sound reduction by a thin screen
Calculation of sound reduction by a screen in a turbulent atmosphere
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Showing 18 research projects
Metodik för att förfina prediktering av stomljud
Visualisation of pedestrain noise exposure
Urban modelling and planning tool for energy and invisible environmental factors using AI methods
Development of model and methodology for ground-borne noise in road and railway projects
ACOUTECT – A sound fundament for our future buildings
Physiological effects of wind turbine noise on sleep
The Urban Sound Planner (SONORUS)
Increased distribution efficiency with more quiet delivery vehicles