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TRANSPORTATION


 Presentation

Over the last few years, operators have paid great attention to studies about cross-winds and their attendant risks. Knowing the wind characteristics is essential to ensure the safety of railways and also for wide-span bridges (viaducts, cable-stayed bridges).

Meteodyn is also committed to improving comfort in outdoor spaces such as stations and their platforms.

YOU ARE ...

A Designer or a builder of road or rail infrastructures...

Meteodyn provides you with the best information to make the right decisions:

 Optimize wind-related safety for railways and roads
 Improve climatic comfort in your outdoor spaces (stations, passenger platforms...)
 Ensure the safety of your road works (bridges, viaducts...)  


 Solutions

Meteodyn has developed automtatic CFD software to simulate virtual wind and model this wind in complex terrain and urban area.  

- More information on Urbawind
- More information on Topowind
- More information on Simulawind

Expertise and consulting services - Case studies

Real-time wind map in Ports

Meteodyn calculates the wind in the ports with the combination of both tools TopoWind and UrbaWind. The first one takes into account the effects of the terrain in a large scale (around 30 km2) and the second one refines the calculated values around the buildings, light towers, seawalls in a smaller scale (around 1.5 km2).

Wind alert systems

Wind alert systems, based on real-time meteorological measurements, are intended to evaluate the risk of overturning or loosing control of the trajectory of a vehicle undertaking a given course. Wind alert systems are intended to operators managing roads/motorways and exposed work sites.

Meteodyn computes the wind characteristics along rail lines with the software TopoWind and programs wind alert systems according to the trains characteristics and the history of the local climatology.


Extreme winds analysis

Meteodyn calculates the exterme wind events and proposes the installation of wind screens at risky sites (viaducts). From the selection of storms over a 30 years period to the calculation of the return period of Rmax = 1.

Extreme event analysis - Number of Rmax > 1

 References

Alstom Transport: Wind computation along the Seoul-Pusan high speed line
Autostrada dei Fiori – Italie: Wind protection of the Maremola viaduct 
Conseil Général des Côtes d'Armor: Wind alert systems on Binic-Saint Quay Portieux run
Laboratoire Central des Ponts et Chaussées: Wind alert systems development
Schneider Electric: calculation of the wind along the TGV railway track Perpigan-Figueiras
Sener: Wind computation along the Madrid-Barcelona high speed line
SNCF: Wind computation along the following high speed lines : Mediterranean line, East French line and Rome-Naples line
Network Rail:  Wind computation along the Wesy-Coast line

Meteodyn has coordinated the WEATHER program, supported by the European Commission, in which participated : Atmos and E.M.I. (France), Nubila (Italy), Geonica and Leciñena (Spain), Campbell Scientific (UK), Alstom Transport (France), University of Birmingham and University of Nottingham (UK), Politecnico di Milano (Italy).

Meteodyn also participates in the IRCAD project (Road information in degraded atmospheric conditions), financed by the French Transport Ministry, partnered by, amongst others : INRETS (National institute for transport and transport safety), LCPC (Central bridges and road surfaces laboratory) and the General Council of the Côtes d'Armor.

 

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