OpenModelica 2026

08:15-08:30 Registration and coffee

08:30-08.40 Lena Buffoni and Lennart Ochel (Linköping University and VTI, Sweden)

• Workshop Opening

Session Chair: Martin Sjölund

08:40-09:00 Francesco Casella, Director of OSMC (Politecnico di Milano, Italy)

• Status and Directions of OpenModelica

09:00-09:45 Dirk Zimmer (DLR, Germany)

• Keynote. To what degree is a Modelica Compiler actually a Compiler?

09:45-10.10 Robert Braun (Linköping University), Lennart Ochel (VTI, Sweden)

• News and Status about the FMI Standard and its Implementation in OpenModelica

10.10-10.35 Karim Abdelhak and Bernhard Bachmann (University of Applied Sciences Bielefeld, Germany)

• Compiler Status and Development of the New Backend

10:35-11:05 Coffee break

Session Chair: Lennart Ochel

11.05-11.30 Joy El Feghali, Marco Chiaramello, Adrien Guironnet, Onur Alican, Miguel Alberto Carreño Galeano, Vinicius Lacerda, Juan Carlos Olives-Camps and Eduardo Prieto-Araujo

• On the Modeling Level for Power Electronics Interfaced Resources Interactions using Dynaωo Library in OpenModelica

11.30-11.55 Sreenath Sukumaran, Siim Erik Pugal, Sylvester Ikenna Ofili and Anna Volkova

• Modelica based Simulation of District Cooling Systems Integrated with Snow Storage

11.55-12.20 Casper Luiten, Carlo De Servi and Francesco Casella

• On-Design and Off-Design Modeling of Aerospace-grade Thermal Systems in Modelica

12.20-13.15 Lunch break

Session Chair: Francesco Casella

13.15-13.40 Adrian Pop, OSMC Technical Coordinator (Linköping University)

• Current Status and Technical Overview of OpenModelica and its Development Environment

13.40-14.05 Felix Brandt, Philip Hannebohm and Bernhard Bachmann

• Generation of Symbolic Adjoint Derivatives

14.05-14.30 Casper Luiten, Carlo De Servi and Francesco Casella

• Combined On-Design and Off-Design Modeling of Aerospace-grade Thermal Systems in Modelica

14.30-14.55 Arne Speerforck, Jan Westphal

• A tool-chain for the development and simulation of large-scale district heating network models

14.55-15.05 Coffee break

Session Chair: Bernhard Bachmann

15.05-15.30 Sergio Milo and Francesco Casella (Politecnico di Milano, Italy)

• Modelica-based Digital Twin for the Italian Natural Gas Network Infrastructure

15.30-15.55 Philip Hannebohm and Bernhard Bachmann

• Efficient Model Evaluation with the GBODE multi-rate Solver

15.55-16.15 Linus Langenkamp and Bernhard Bachmann

• Advancements in Numerical Methods for the GBODE Solver

16.20-16.50 Panel Discussion Chairs: Lena Buffoni and Lennart Ochel

• Future Directions of OpenModelica – Next 5 years and Next 20 years

16.50-17.00 Coffee Break

17.00-18.00 Open Source Modelica Consortium Annual Statutory Meeting