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87th Modelica Design Meeting

Dassault Systèmes campus 10, Rue Marcel Dassault 78140 Vélizy-Villacoublay FRANCE

Sep 24, 2015 10:00 AM

Sep 25, 2015 04:00 PM


The meetings will be held in the Terre-Europa building.  This is behind the four main buildings (Terre, Air, Feu and Eau).  You should go directly to the Terre-Europa building (not to be confused with the Terre building!) where you get your badges handed out upon arrival. Also ask for wifi-access when you get your badges. The main meeting room is just behind the reception to the right.

The rooms in Terre-Europa will be:

  • Main Room: TE-0-001 (~50)
  • Discussion Room 1: TE-2P-052 (12)
  • Discussion Room 2: TE-1P-079 (18)
With additional rooms available in the Fire (Feu) building if there is a need:
  • Discussion Room 3: F-5-014 (22)
  • Discussion Room 4: F-0-023 (28)





Dassault Systèmes has its headquarters in Vélizy, France which is just outside Paris close to Versailles where Modelica 2015 will be held.  There are several hotels available within walking distance of the Dassault Systèmes campus (see list below).  For those who prefer to stay in Paris or simply visit Paris during the meeting, information on how to get between the DS campus in Vélizy and Paris can be found below. Travelling from Versailles to Velizy can be done by taxi or bus (20 and 23). For bus maps and schedules, please consult Phebus webpage.


The two main airports in Paris are Charles de Gaulle (CDG) and Orly (ORY).  Of these two, ORLY is much closer to Vélizy.

There is an additional airport far outside Paris called Beauvais-Tillé (BVA) that some budget airlines fly to.


Getting to and from the airport should be no problem, but if you need to use a taxi to get around during your visit we recommend using the G7 taxi service. Make sure to have cash handy, especially if you do not specifically request a taxi that accepts credit cards. At the airport, make sure to find and use the designated taxi queue and do not accept offers from drivers trying to pick up people just outside the baggage claim area - those are in most cases non-licensed drivers.

Furthermore, UBER operates in Paris and provides a convenient, reliable and cheap alternative to the taxis. Due to recent controversy around UberPOP we recommend using UberX which typically offers same or below taxi prices (and since the route is recorded there is a much lower risk being ripped off). With UberX, a trip between CDG and Velizy is estimated to cost between 78-104 EUR, between Velizy and Orly Airport: 40-53 EUR  and between Versailles and Velizy: 15-20 EUR. Note that finding the driver in the airport can prove a little tricky and they usually call directly after the request on the app is confirmed. English proficiency varies but they are almost always very helpful and professional. Typically they pick up people in departure gates but sometimes also in normal arrival gates. In CDG terminal 2 those are very close to each other just up/down the stairs - we have no exact information about CDG terminal 1 or Orly.


France is well served by trains.  If you take a train into Paris, you have too many options to list here.  The closest station to the DS campus is the Chaville-Vélizy station.  This is part of the RATP system (see below about traveling within Paris) so you'd need to transfer from an intercity train to get there.  The station is far enough that you'd still require a taxi to get to the nearby hotels or the campus itself.

The suggested route from Velizy to CDG is:

  • Bus 34 from the DS Campus to Chaville Velizy. The bus stop can be reached by taking a right upon exiting Terre Europa and following the road until just after the roundabout - approximate map.
  • RER-C from Chaville Velizy to Saint Michel/Notre Dame.
  • RER-B from Saint Michel/Notre Dame to CDG. The RER-B platform is accessed by descending to a lower platform when getting of the train at Saint Michel/Notre Dame


Bus 34 schedule

Train schedule/route finder

Expect the journey to take 2 hours. Check this link to ensure there are no strikes, accidents, maintenance or other problems.


And for Orly:


Option 1:


  • Bus 34 from the DS Campus to Chaville Velizy. The bus stop can be reached by taking a right upon exiting Terre Europa and following the road until just after the roundabout - approximate map.
  • RER-C from Chaville Velizy to Saint Michel/Notre Dame.
  • RER-B from Saint Michel/Notre Dame to Orly (change to the designated ORLYVAL train at the 'Antony' station - just follow the signs).
Expect 2 hours travel time
Option 2:



Expect 1-2 hours travel time (but mind the fact that the bus can be heavily delayed in rush hour).


Accomodations in Vélizy

The following are hotels within walking distance of the Velizy campus:

  1. Hotel Vol de Nuit
  2. Suitehotel
  3. Forest Hill Hotel
  4. Best Western Paris Velizy


In addition, the Radisson Blue is another hotel with a special "Dassault Systèmes" rate.  However, it is in Boulogne-Billancourt (outside Vélizy).  Its very close to the Metro 9 line, from which bus line 291 runs every 2-5 minutes in rush hour, but it is typically crowded in morning and evening. The stop is called 'Dassault' and located just in front of the main entrance. The trip takes 10 minutes if traffic is fluid. A taxi is a possibility but please note that taxis picked up on the street might not (and most likely wont) accept going to Vélizy. It's better to order a taxi from G7 and state the destination or use Uber who should serve this route but check in the app before to be sure. 


Travel within Paris Area

An extremely useful way to find your way around Paris is the RATP (public transport department).  Their website features and excellent interactive map.  You can also get this same functionality as apps for both iOS and Android.

Unfortunately, while the RATP itself provides services all the way out to Vélizy, the web site and apps generally focus on Paris itself.  As a result, if you need to know how to get from Paris to the DS campus, the RATP information alone is incomplete.  Fortunately, a DS employee wrote (on his own time) a companion web app and iOS app, called DSCambus, that complements the RATP information.  It basically tells you how to get from the various stations on the periphery of Paris to Vélizy.


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