Conferences & workshops

Workshops

The traditional physics-based and the more recent data-based modelling, simulation and optimization (MSO) are key technologies of industry and societal applications.

The conference provides researchers and users in academia and industry with an opportunity to present their

- use cases of the MSO-technology,

- recent computational solutions, including HPC-solutions for industrial problems,

- industrial challenges that could be solved by the MSO technology.

The conference is scientifically supported and announced by the collaboration of the national industrial mathematical networks of Hungary, Austria, Croatia and Slovenia, namely HU-MATHS-IN, IMNA, CRO-MATH-IN and SL-MATHS-IN. These networks are active members of the European Industrial Mathematics Network, EU-MATHS-IN.

Research and innovation projects, e.g. the HiDALGO2 Centre of Excellence of EuroHPC JU, the CREATOR project of DFG and FWF were present to show their competencies.

Highlighted themes of the conference:

- electric machines and drives,

- societal challenges, e.g. air pollution, cancer,

- multibody simulations in industry: manufacturing,

- healthcare, e.g. genomics, medical image processing,

- HPC in industry.

Isogeometric Analysis (IGA) is a finite-element-type method that uses the same basis functions to represent the solution (e.g., displacement field) and to describe the geometry of the problem domain. This integration allows for a an accurate representation of the geometry and can lead to improved convergence rates in numerical simulations compared to traditional methods that use separate representations for the geometry and solution spaces. It has been applied to various fields, including solid mechanics, fluid dynamics and electromagnetics. In the context of the project CREATOR it has proven advantageous for the simulation of rotating electric machines. Therefore an Autumn School with this topic was organised in November 2024, which was open to all affiliates of CREATOR.

9:00-09:45 Florian Feppon (KU Leuven)

Towards multiscale topology optimization of fluid devices with the homogenization method: numerical and theoretical developments

09:45-10:15 Kamran Sadiq (RICAM)

On a two dimensional inverse source problem in scattering medium with partial boundary data

10:15-10:45 Soumen Senapati (RICAM)

Reconstruction of acoustic medium properties and source in time-domain by injecting contrasting agents

11:00-11:30 Nepomuk Krenn (RICAM)

Topology optimization of a permanent magnet synchronous machine by the topological derivative

11:30-12:00 Peter Gangl (RICAM)

Homotopy methods for higher order shape optimization

Location: Darmstadt, Germany, 4-8 March 2024

CREATOR Contributions:

Christian Bergfried, Leon Blumrich, Yvonne Späck-Leigsnering, Armin Galetzka, Herbert De Gersem: Calibration of a Squirrel-Cage Induction Machine Thermal Model.

Herbert Egger, Felix Engertsberger, Bogdan Radu: On the convergence of iterative solvers for nonlinear magnetostatics.

Nepomuk Krenn, Peter Gangl: Multi-material topology optimization of an electric machine considering demagnetization.

The goal of this workshop is to bring together scientists from numerical analysis, geometric modeling and engineering who are interested in topology optimization and isogeometric analysis. We aim at connecting the two fields by developing an isogeometric modeling framework that is well-suited for topology optimization, i.e., that allows for general topologies and that can handle changes in the topology in a robust and efficient way. On the other hand, we study topology optimization technologies that are suitable for B-spline and NURBS based geometry discretizations. The topics of the talks range from topology optimization in practical applications, topological derivatives, level set and density-based methods, to geometric modeling of topologically complex shapes, geometry segmentation and parametrization methods and unstructured splines spaces.

The goal of this mini-workshop is to bring together experts from both mathematics and (electrical) engineering working on topics related to modeling, simulation and optimization of electric machines in either academia or industry. The workshop aims at providing a basic understanding of tools and workflows used in industry and at identifying challenges and common topics of interest. We plan to have a loose atmosphere and encourage discussion at any time during presentations.

Location: Institut für Teilchenbeschleunigung und Elektromagnetische Felder (TEMF), Room 114 (Library) Schlossgartenstr. 8, Darmstadt, Germany, 28. April 2023

Programme:

This training will provide to a new JMAG users a general overview of JMAG features. From the creation of the motor CAD shape to the analysis of results, all functions will be explored. Some general application examples and exercises will be used during the training. The training will be a mix of theory, demonstrations, and exercises. Participants can also use its own model to follow the exercises. Some temporary licenses will be provided for the duration of the training.

The workshop is intended to provide participants with the tools to act more

effectively in project management using agile attitudes and tools, and to

successfully implement projects in future professional contexts using agile

approaches and procedures. For the participants, the workshop also represents a

measure for team development, through which the understanding of the work of

the respective subprojects is to be increased and a common “project language” is

to be developed.

Objectives:

This workshop helps participants become aware of the intercultural issues affecting their work

and provides them with a set of tools to address these challenges.

Contents in brief:

- Challenges and areas of conflict typical of international contexts.

- Basic principles of a constructive and objective-oriented discussion technique.

- Conflict management: strategies for addressing challenging communication dynamics.

- Being aware of one’s own role in a team and how to best mix and match different skills.

- Giving and receiving constructive feedback as a member of a team

This short course has the aim to present the current understanding and state of the art of atomization fundamentals, their realization in atomizer systems and their application in a wide variety of engineering branches, including spray drying, spray coating, spray cooling, fuel injection, etc

These aspects are first addressed theoretically in terms of hydrodynamic instabilities of liquid jets and sheets – primary atomization. This is followed by considerations about the break-up of single droplets – secondary atomization.

These fundamentals are followed by topics on diagnostics, numerical simulations, drop/wall interactions and further advanced topics and applications. In a manufacturers’ session several vendors of diagnostic equipment related to atomization and sprays will make presentations and be available for discussions.