Capella Day

What is Capella Day?

Join us for Capella Day, a full day dedicated to Capella and Arcadia.

On June 20th, as part of the Unconference (located at EPITECH), Capella Day will bring together the community of users and developers behind the Polarsys Capella project - from beginners to committers to developers who are just curious!

What is Capella? Based on a graphical modelling workbench, Capella provides systems, software and hardware architects with rich methodological guidance relying on Arcadia, a comprehensive model-based engineering method.

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Why you should attend

Capella Day is your opportunity to meet the Capella ecosystem and to learn from their expertise. We've invited all the actors of the project ecosystem: creators of the solution, providers of Capella add-ons and services, industrial users (Thales, Airbus Safran Launchers, Continental) and MBSE experts. Deepen your knowledge of the Capella workbench or, if you're new to the community, discover the latest plugins and extensions that will unleash the potential of Capella, from documents generation to collaborative work for your team.

Capella Day is free of charge and takes place in conjunction with EclipseCon France. And, of course, we can't forget that it takes place in the beautiful city of Toulouse.


The Capella Day is now full. For more information or to sign up for the waiting list please fill in this form.


Capella Day Agenda

Time Title Presenters
9:45-10:00 Introduction and Welcome Samuel Rochet (Obeo)
10:00-10:30 Feedback on Experiences by Airbus Safran Launchers
Alain Huet and Sophie Cherqui
10:30-11:00 ATL2 Modernization : When MBSE keeps its promises Tony Soquet and Guillaume Journaux (Thales)
11:00-11:30 Break
11:30 - 12:00 Driving Intelligent Transportation Systems with Capella Jérôme Montigny (Continental)
12:00 - 12:30 Why are Arcadia and Capella relevant for MBSE? Pascal Roques (PRFC)
12:30-14:00 Lunch
14:00-14:30 Designing a virtual test mean alla Capella Benoit Viaud (Artal)
14:30-15:00 Systematic reuse of Capella assets with pure::variants–
how to capitalize on your assets
Prof. Dr. Danilo Beuche (pure-systems)
15:00-15:30 Q&A - Arcadia Stéphane Bonnet and Jean-Luc Voirin (Thales)
15:30-16:00 Break
16:00-16:30 Tools 3 – M2Doc & Team for Capella Laurent Delaigue (Obeo)
16:30-17:00 Towards an industry driven open collaboration framework:
The creation of the Capella IC
Gael Blondelle (Eclipse Foundation)
17:00-17:15 Close Samuel Rochet (Obeo)


Feedback on Experiences by Airbus Safran Launchers (ArianeGroup)

In this talk you will learn how Airbus Safran Launchers is meeting the challenges of multi-disciplinary system engineering through MBSE and the introduction of the Arcadia Method and Capella.

Airbus Safran Launchers was created by Airbus Group and Safran as a 50/50 joint company. Airbus Safran Launchers unites all the assets and skills of the two parent groups in launch vehicles and strategic missiles.

Airbus Safran Launchers, together with its subsidiaries and partners, designs, develops and sells to global market an unrivalled range of launchers, associated services and derivative products for both civil and military application.

The design of a missile launcher is a multidisciplinary task that requires the contribution of numerous experts in specific and various domains (mechanics, thermic, software, avionics, telecommunications, power, propulsion, safety, costing etc.). Our systems are more and more complex and new challenges are constantly arising such as optimization fields and reduction of both costs and delays.

To succeed, this requires the implementation of an efficient Systems Engineering approach and effective communication among the domains and subcontractors throughout the project's life cycle: from the definition of needs to maintenance, including the design, development, integration, verification, validation, manufacturing and operations phases.

Airbus Safran Launchers main targets and expected gains from this approach are related to:

  • improving efficiency,
  • reduction in engineering waste, eg. rework, over-processing, over-production,
  • reduction in lead time for projects more and more constrained by time-to-market, or by budget,
  • reduction of costs, mainly in development, but also in production and operations,
  • improving value for the customer(s).

Airbus Safran Launchers decided to investigate a new approach based on MBSE. The main objective was to focus on the commitment of stakeholders: customer, domain experts, sub/co- contractors, system engineers, etc. by providing them with a better integrated and collaborative solution compatible with Airbus Safran Launchers methodology.

The presentation will present first the context of Airbus Safran Launchers then some lessons learned from concrete launcher cases and finally recommendations for next steps for Capella development.

Alain HUET

Alain HUET is head of System Engineering Solutions at Airbus Safran Launchers, managing the adoption of MBSE. Working in the Airbus group for more than 35 years, he has been participating in the development of numerous defence and space programs such as satellites, launchers, space vehicles, and air traffic management. On these systems he has used and implemented processes, methods and tools to manage requirements, validation & verification, real time and hardware in the loop simulations.

“This new MBSE approach based on Arcadia method and Capella tool is promising, this initiative shall be reinforced”


Sophie CHERQUI is part of Avionics & Flight control staff at Airbus Safran Launchers, managing the digital improvement for the Avionics team. Working in the Airbus group for more than 16 years, she has been participating in the development of Space programs. On these systems she has worked on the Avionics and associated Ground means from specification to qualification and then flight acceptance campaign. She contributes to implement processes, methods and tools to improve the Avionics team work, especially using MBSE tools.

“Our experience demonstrated the suitability of Capella for Avionics discipline. Additional functionalities would make Capella essential”

ATL2 Modernization : When MBSE keeps its promises

For the French maritime patrol aircraft Atlantique 2 modernization program, Thales Airborne Systems has deployed an engineering process strongly based on modelling approaches, in cooperation with French DGA and Dassault Aviation. The engineering team has implemented a complete model-based process from system specification to the final delivery to the Customer:

- Exchange of models with the Customer
- Consistent textual requirement / model traceability strategy
- One system model and eight subsystem models using the Melody Advance automated transitions
- Model consistence verification using a model querying tool
- Coupling with IVV activities, based on functional chains
- Generation of code artefacts (interfaces, etc.)

Tony Soquet et Guillaume Journaux will share these experiences and discuss the lessons learned.

Tony Soquet

Tony Soquet joined Thales Airborne Systems in 2000 as a software developer on the Mirage 2000-9 project. He joined the maritime patrol domain in 2002 and alternately worked as a systems engineer and bid manager, in particular on the Meltem program. Starting from 2013, he has been an active contributor to the definition and implementation of an MBSE process for the ATL2 program. He is now working on the deployment of this MBSE process on the AMASCOS product.

Guillaume Journaux

Guillaume Journaux joined Thales Service in 2002 as a software developer on the Horizon program, for which he held various positions that allowed him to address all the stages of the V-cycle before concentrating on software engineering. He joined Thales Airborne Systems in 2007. Since then, he has been working on the improvement of engineering practices on major programs (AMASCOS, ATL2, ...) through a pragmatic and effective deployment of MBSE.


Driving Intelligent Transportation Systems with Capella

Capella is currently in use in 6 different Continental Automotive organizational units, located in 10 different locations in the world (Europe, Asia, US).
A new system engineering workbench based on Capella has been defined:

  • enabling engineers to access different tools (Pure::Variants, Jira,..) in one Integrated Development Environment (IDE),
  • Enabling development of new capabilities (additional specialty engineering extensions, integration within ALM and PLM solutions, further performances and customizability improvements, etc…)
  • Sharing an engineering environment within large multi-partners projects

Jérôme Montigny

Jérôme MONTIGNY is working in the Continental Automotive company since 2005. As System Technical Project Leader, he is developing new generic platforms for Smart Access Systems using MBSE solutions like Capella.

Why are Arcadia and Capella relevant for MBSE?

Much more than just another modeling tool, Capella is a model-based engineering solution that has been successfully deployed in a wide variety of industrial contexts. This presentation will try to explain why many companies, such as Thales, ASL, Continental, etc., are currently interested in using Capella for MBSE.

We will first focus on the tight integration between the Capella tool and ARCADIA, a comprehensive model-based engineering method. We will then demonstrate the comprehensiveness of the solution, and the engineering continuity provided. We will end the discussion by explaining the benefits provided to the end-users by the open-source aspect of this modeling solution.

Pascal Roques

Pascal Roques is a Senior Consultant with more than 25 years of experience in consulting and training in modeling with SADT, OMT, UML, SysML and Arcadia. Co-founder of the SysML France association, and author of the first book in French on SysML, he is also a regular trainer for Thales on Systems Modeling with Arcadia and Capella. Since 2008, he has led more than 120 courses in France and Europe for more than a thousand Thales engineers

Designing a virtual test mean alla Capella

In a certain way, simulation follows the same evolution than software development has during the past decades. Starting from something that could be globally apprehended by a single mind, it has become more and more complex with many skills and expertise involved. At some point, it is necessary to describe the system at a higher level of abstraction that allows to make the necessary trade-off between the different possible solutions and to structure the development cycle between the involved teams. Nowadays in system engineering or software development, these activities are almost systematically led and there is a common agreement on their benefits.

We consider that this approach should be extended to virtual test mean / simulation engineering. Polarsys – and Eclipse ecosystem on a larger basis - fosters very good candidates to tackle some of the challenges that come with this objective.

You’ve done a nice design work with Capella, and development teams are about to start implementing. It is now time to start thinking about how and when the work shall be validated. What if you could just point and click the elements you want to validate and deduce what should be embedded in the virtual test mean, then handover the work to your favourite / most relevant modelling tool?

Benoit Viaud

Systematic reuse of Capella assets with pure::variants– how to capitalize on your assets

Compared to single product development, developing and maintaining a portfolio of related products comes with additional challenges. A systematic approach is needed to realize a high reuse rate that minimizes the maintenance effort and maximizes the productivity.
Prof. Dr. Danilo Beuche will present how these challenges can be tackled for all assets of the development lifecycle using pure::variants, focusing on its integration with Capella.

Prof. Dr. Danilo Beuche

Prof. Dr. Danilo Beuche is CEO of pure-systems GmbH. pure-systems is a software company specialized in services and tool development for the application of product line technologies in software-intensive systems He started to work in the field of embedded operating systems and software families in the mid 90's. He also received his PhD in this area. His work on tool support for feature based software development finally lead to the founding of pure-systems in 2001.


Q&A Arcadia

Stéphane Bonnet

Stéphane Bonnet is in charge of Thales Corporate MBSE Coaching and Design Authority of the Capella open source modeling solution.
For the last ten years, he has led the development of Capella and has been an active contributor to the Arcadia model-based method for systems, hardware and software architectural design.
In Thales, he is animating a wide community of modeling experts from all domains and countries to investigate low-maturity modeling topics, capture end-user needs, and orient method and workbench roadmaps.

Jean-Luc Voirin

Jean-Luc Voirin is Director, Engineering and Modeling, in Thales Defense Missions Systems business unit and Technical Directorate. He holds a MSc & Engineering Degree from ENST Bretagne, France. His fields of interests include architecture, computing and hardware design, algorithmic and software design on real-time image synthesis systems. He has been an architect of real-time and near real-time computing and mission systems on civil and mission aircraft and fighters. He is the principal author of the Arcadia method and an active contributor to the definition of methods and tools. He is involved in coaching activities across all Thales business units, in particular on flagship and critical projects.

Tools 3 – M2Doc & Team for Capella

This talk will present two useful additions that can bring even more added value to Capella. M2Doc is a document generator that allows the production of professional documentation from Capella models. Team for Capella is an extension that allows several users to collaborate at the same model in real time. The outstanding features will be introduced and demoed during the talk, followed by a Q&A session.

Laurent Delaigue

Laurent Delaigue has been working in the field of model engineering for 15 years. As a modeling consultant at Obeo for 10 years, he participates in numerous modeling projects generally based on open- ource technologies such as Acceleo, Sirius or Capella.

Towards an industry driven open collaboration framework: The creation of the Capella IC

In the last few decades, companies have developed business models around open source providing services, extensions, courses and so on: Business friendly ecosystems around open source technologies like Linux, Eclipse, Apache have developed. In the late 2000's, the Eclipse Foundation started to replicate the best practices that made the success of the Eclipse platform to new domains, and to integrate industry players that were seen as software consumers at the core of these new ecosystems. The main driver for these new form of consortia was to use open source as a framework for open collaboration and open innovation.
The presentation will briefly discuss the challenges that industries are facing (cross-company, cross-domain, long-term availability, open innovation). After that, I’ll focus on the creation and history of PolarSys and the Capella Industry Consortium.

Gaël Blondelle

Gaël Blondelle is Director of European Ecosystem Development at the Eclipse Foundation. Gaël Blondelle has accumulated specialized experience with Open Source communities since 2002. Since 2010, he has been manager of OPEES, a european project whose key result is the creation of PolarSys, the Eclipse Working Group dedicated to Open Source tools for Embedded Systems.
Since he started in the software industry in 1996, Gaël has been working primarily in Telecommunications, IT and Embedded Systems industries. Gael has managed the PolarSys working group, led the Eclipse Foundation contribution to several European projects and contributes to the development of the Eclipse ecosystem in Europe.




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