Algebraic Representations in Computer-Aided Design for complEx Shapes

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First Software & Industrial Workshop, and Midterm Review, in Athens

November 27, 2017 @ 13:00 - December 1, 2017 @ 13:00

1st Software and Industrial Workshop, and Midterm Review meeting.      


Please register here no later than October 31, 2017. You don’t have to be logged in to register.


The meeting will take place at the cultural center of the National and Kapodistrian University of Athens, “Kostis Palamas” building, in downtown Athens: see the map below. Lunches and breaks will be served on site. The workshop’s dinner will be held at the restaurant “Strofi”, Rovertou Galli 25, Athens.

Schedule of the event

The event will start on Monday early afternoon and will close on Friday early afternoon.

The review by the PO and the external reviewer will be from Thursday afternoon till the end.

There shall be two invited speakers Stefan Boschert (Siemens) and Tom Grandine (Boeing), also members of the Advisory committee of ARCADES. There will be presentations / software tutorials by network member RISC-Software, as well as CAD software company Beta-CAE (Thessaloniki, Greece). On Thursday evening, there will be the Workshop dinner.

A pdf version of the program is available for download.

Monday November 27UPDATED

12:30 Lunch
14:30 Preparation of the review
15:30 Coffee break
16:30 Poster Session
17:30 Reception

Tuesday November 28 UPDATED
09:00 Invited talk: T. Grandine (Boeing): “Solving systems of spline equations: A linear programming-based approach”, abstract
10:00 Coffee break
10:30 Tutorial: “Parametric surfaces – Rhino/Grasshopper Masterclass”

  • Abstract: During the course of this Masterclass we will quickly go through the Rhinoceros3d & Grasshopper3d interface, geometry types and modeling logic while rushing towards the goal of the creation and editing of mathematical curves & surfaces. Along the way, principles of curvature and continuity (both for curves & surfaces) will be addressed, as well as the parameter space of curve and surface and generalization techniques to a line & a plane, respectively.
  • Software requirements:
    * Operating system: Windows 7/8/10 (64-Bit)
    * Rhino3D installation. You can download a free 90 day fully functional trial version here.
    * Grasshopper plugin for Rhino3D. You can download a free 90 day fully functional trial version here.

12:00 Lunch break
13:15 Tutorial: “Parametric surfaces – Rhino/Grasshopper Masterclass”
14:15 Coffee break
14:30 Tutorial: “Parametric surfaces – Rhino/Grasshopper Masterclass”
15:30 Coffee break
16:00 Invited talk: β-CAE: “Introduction to Computer Aided engineering from BETA CAE’s point of view”

  • Abstract: BETA CAE Systems is a worldwide known company that provides simulation solutions. In this presentation, an engineer from BETA CAE Systems introduces you to the world of Computer Aided Engineering, to the company’s software portfolio and how this fits in the industry landscape.

Wednesday November 29
09:00 Invited talk: S. Boschert (Siemens): “Integration of CAD and Simulation – practical examples from Industry”
10:30 Coffee break
11:00 Tutorial: RISC-Software: “An Introduction to Programming with the Virtual Modeling Library”

  • Abstract: The Virtual Modeling Library (VML) is a software library, which implements new algorithms for the exact geometric modeling of solids for real-time simulations. It supports Constructive Solid Geometry (CSG) like operations and solid sweeping. The VML supports a good scalability relating the number of modeling operations. This makes the library best suited for industrial applications with combined needs in geometric accuracy, real-time behavior, and scalability, like the simulation of material removal in machining processes with high number of processing steps. Besides modeling the VML supports algorithms for interactive visualization, collision detection between any geometry and the current geometry, and surface verification of the current geometry against a reference CAD model. These algorithms fulfill the combined needs as well. In order to satisfy the strict timing conditions of real-time simulations, the VML implements massive parallel algorithms, which make best use of the potential of modern hardware architectures, like Multi-Core Central Processing Units (CPUs) and Graphic Processing Units (GPUs). Beside the already mentioned features, the VML offers surface export, the definition of arbitrary sectional views, and the ease of integration. In this tutorial you will learn how to use the VML programming interface based on Python examples.
  • Software requirements:
    * Operating system: Windows 7/8/10 (64-Bit)
    * Text editor or IDE for Python
    * Meshlab ( for analyzing triangle meshes (provided on USB stick)
    * VTK with Python ( (provided on USB stick)
    * Microsoft Visual C++ 2017 Redistributable (x64) – 14.10.25017 (provided on USB stick)
    * Intel (R) C++ Redistributables on Intel (R) 64 2017.4.217.msi (provided on USB stick)
    * VML with Python wrapper module (provided on USB stick)
    * Python VML examples (provided on USB stick)

    Each participant will receive a little present in form of the “RISC Software GmbH USB stick” containing the relevant software for the tutorial. Installation should only take several minutes.

12:30 Lunch break
14:00 Tutorial: RISC-Software
15:30 Coffee break
16:00 Tutorial: RISC-Software
17:00 Educational Committee meeting
17:15 Supervisory Board meeting

Thursday November 30
09:00 Tutorial: A. Mantzaflaris (RICAM): “G+Smo: Geometry + Simulation Modules”

  • Abstract: In this tutorial we will demonstrate the functionalities of the G+Smo library. G+Smo (Geometry + Simulation Modules, pronounced “gismo”) is a new open-source C++ library that brings together mathematical tools for geometric design and numerical simulation. It is developed mainly by researchers and PhD students. It implements the relatively new paradigm of isogeometric analysis, which suggests the use of a unified framework in the design and analysis pipeline. The library is partitioned into smaller entities, called modules. Examples of available modules include the dimension-independent NURBS module, the modeling and data fitting module, the PDE discretization module and the adaptive spline module. The library is licensed under the Mozilla Public License v2.0.
  • Requirements: For this tutorial a C++ compiler is required (eg. Visual C++ or GCC on linux) as well as ParaView and CMake. Extensive instructions are available at The source code of the library is available at

10:30 Coffee break
11:00 Tutorial: A. Mantzaflaris (RICAM): “G+Smo: Geometry + Simulation Modules”
12:00 Lunch break

Midterm Review, part A (For more info on the Midterm Review see the informal guidelines)
13:30-15:00: Intro (tadalafil ip of the PO’s presentation), Tour de table, Coordinator’s report
15:00-15:30: Coffee break
15:30-17:30: Fellow’s individual reports
18:30: Workshop dinner

Friday December 1st
Midterm Review, part B
09:00-10:30: PO meets fellows / Innovation Radar session
10:30-11:00: Coffee break
11:00-11:30: Restricted session
11:30-12:30: Feedback and open discussion.

Local information

Directions from/To the Athens International Airport “E. Venizelos”

The Athens International Airport is located 27 km southeastern of Athens.

  • Directions to Athens center
    • The best is to use Metro Line 3 (subway), and get off at “Syntagma” stop. Timetable: 05:30-24:00. Frequency: 30′
    • Taxis: the taxi stand extends from Door 4 to Door 1 at the Arrivals Level. Fee: 35 or 50 Euro at daytime or evenings, resp.
    • Express Airport Bus X95 (to Syntagma sq.): Timetable. Runs on a 24-hour basis.
  • Directions to the venue (“Kostis Palamas”)
    • From the airport take Metro Line 3 or Express Airport Bus X95 or a taxi and at Syntagma Metro Station change to Metro Line 2. Get off at “Panepistimio” stop. From there it is a 5′ walk to the venue, see this map.


The guests of the workshop (Industrial Partners, invited speakers, members of the Advisory Committee) will be hosted at the InnAthens hotel, see this how can i get viagra.

For the rest of the participants that need lodging here are some suggestions for lodging in Athens in the vicinity of the workshop’s venue:

Schedule of the buses and the metro can be found here


November 27, 2017 @ 13:00
December 1, 2017 @ 13:00


Ioannis Emiris, Christos Konaxis
emiris at, ckonaxis at


48, Akadimias str. & Sina str.
Athens, 105 62 Greece
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+30 210 3688712