Electro-Thermal Modeling of High-Temperature Superconducting Coils and Magnets in Collaboration With CERN

Superconducting magnets are used in high-energy particle accelerators such as the Large Hadron Collider at CERN to exert electromagnetic forces on the particle beam. These forces keep the particles on a circular path by, e.g., bending the path of the beam and keeping it focused. High-temperature superconducting (HTS) materials are […]

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AI-TWILIGHT: AI powered Digital Twin for lighting infrastructure in the context of front-end Industry 4.0

Over the last decades, LEDs have taken over the lighting industry. Their design is a multiphysical problem, involving mechanical, optical, electrical, and thermal components and considerations. All of these domains influence the operational behavior of LEDs, with the temperature having the largest impact on the lifetime of a given product. […]

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Finite Element Parasitic Extraction and Sensitivity Analysis in Industry

Parasitic extraction is a key technique in electromagnetic compatibility analysis. It enables to extract the parasitic resistances, inductances, and capacitances from a CAD model, and thereby to asses the performance of the design in a joint circuit simulation in combination with its functional circuit elements. A sensitivity analysis of the […]

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Shape Optimization of an Electron Gun

S-DALINAC (Superconducting-DArmstadt-LINear-ACcelerator) is a superconducting electron accelerator at TU Darmstadt, running since 1991. It was initially constructed as a twice-recirculating accelerator with a maximum energy of 130 MeV in continuous wave (cw) operation. In 2016 it has been converted into a thrice-recirculating accelerator, see here. For the next upgrade an […]

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Yield Estmation Using Surrogate Modelling in Industry

Most manufacturing processes suffer from small deviations, which may lead to rejections of some products due to malfunctioning. In this context, malfunctioning is commonly understood as violating a given performance feature specification. In order to quantify the impact of the uncertainty one defines the yield as the percentage of realizations […]

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Bembel Project – A Boundary Element Method Based Engineering Library

The boundary element method (BEM) or method of moments (MoM) is a common approach for the solution of partial differential equations (PDEs) in engineering applications such as acoustic and electromagnetic scattering problems in homogeneous media. It is accepted in industry and there are many free and proprietary implementations. Bembel’s logo […]

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Efficient numerical quadrature for the boundary elements method with application to electrical machines

Nowadays, the design with regard to efficiency and reliability is a major task in the development of electrical machines. Therefore, numerical simulations play an increasingly important role. Due to many favorable properties, the finite element method (FEM) is well established for simulating low-frequency electrical engineering applications, e.g. with nonlinear material […]

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Computational Engineering Retreat in Seeheim, Germany

On April 8-9, 2019, the annual retreat of the Graduate School CE and the Centre for CE took place at the Lufthansa Conference Centre in Seeheim. After a short welcome by Prof. Schäfer, Prof. Gabriele Gramelsberger from RWTH Aachen gave a lecture about “Philosophy of Computational Science”, which provided some […]

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TRR154: Mathematical Modelling, Simulation, and Optimization for Gas Networks

Natural gas plays an important role in Germany’s strategy for the transition of energy production to renewable sources and the simultaneous exit from nuclear power, since it is readily available in large amounts and relative clean compared to coal. Large fluctuations in renewable energy production and regulations of the European […]

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33rd ECMI Modelling Week in Darmstadt: How to find a lost airplane and other challenges of modeling, simulation and optimization

A total of 36 Bachelor’s, Master’s and PhD students (half men and half women) and nine instructors from more than ten European countries, joined the 33rd ECMI Modelling Week, which took place at the Centre for Computational Engineering (CCE) from February 24 to March 2, 2019 in Darmstadt. Besides ECMI, […]

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