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The fourth Torsional Vibration Symposium was held at Salzburg Congress from May 14-16, 2025. Geislinger served as Platinum Sponsor for the event that brought together more than 230 torsional vibration experts from all around the world.We are proud that four of the overall 42 papers have been contributed by Geislinger. Three of our experts presented the papers themselves at the Salzburg Congress.
Nora Yazdandoost, Manager of Acoustics, talked about proven solutions for reducing the transmission of structure-borne sound in couplings. She presented the development of a lightweight misalignment coupling, innovatively designed to meet the demanding requirements of modern marine powertrains. Her presentation was supported by a scientific poster identifying key parameters for minimizing dynamic stiffness. You can find the poster including a detailed explanation here.
Picture 1: Nora Yazdandoost
Another presentation, developed with the support of Geislinger, was presented by Heinz Georg Flesch from AVL List GmbH. Dr. Andreas Thalhammer, Manager of TVC & Digital Development, and Claudia Mühlberger, Torsional Vibration Calculation Engineer at Geislinger GmbH, co-authored the paper amongst Mehdi Mehrgou from AVL., which focused on skip firing as a key challenge in modern powertrain configurations.
Another Geislinger contribution was presented by Richard Wilkie. Him and his colleague David Richter-Trummer, both Torsional Vibration Calculation Engineers at Geislinger, and Dr. Andreas Thalhammer, Manager TVC & Digital Development, focused on vibration aspects of different power take-off units for 2-stroke marine propulsion systems. With growing pressure to reduce emissions and improve efficiency, their paper highlights the importance of carefully selecting and dimensioning powertrain components for various PTO concepts to manage added stress on the powertrain.
Picture 2: Richard Wilkie
Dr. Andreas Thalhammer, Manager of TVC & Digital Development, had the honor of delivering the closing session. He presented a paper developed in collaboration with Data Scientist Kai Bergmann, exploring torsional vibration analysis (TVA) beyond traditional deterministic methods. Illustrated by various case studies, their paper investigated real-world variability that is often neglected in conventional approaches, enabling a robust framework for better evaluating and optimizing drivetrain reliability and performance.
Picture 3: Dr. Andreas Thalhammer
During the lecture breaks participants had the opportunity to explore the exhibition area. The Geislinger booth offered a variety of exhibits, including our interactive Geislinger Digital Solutions monitor and the Geislinger SILENCO® Coupling.
Picture 4: The Geislinger booth at the Torsional Vibration Symposium 2025
Picture 5: The Geislinger SILENCO® Coupling, an acoustically optimized misalignment coupling that consists of flanges, maintenance-free composite membranes with increased damping properties, composite shafts, and steel spacers
What makes the Torsional Vibration Symposium so special is the combination of scientific discussion and social exchange. Therefore, the gala dinner at the Salzburg Residence Palace, hosted by Geislinger, was the perfect opportunity to strengthen professional connections, engage in meaningful conversations with old friends and new acquaintances and enjoy the unique atmosphere of the location. A special dinner, focusing on torsional vibrations, rounded off the evening in a perfect way.
Picture 6: The Salzburg Residence Palace served as setting for the Gala Dinner
Picture 7: Even the menu revolved around torsional vibrations
We are proud to have contributed four scientific presentations to this year's Torsional Vibration Symposium. It is always a pleasure to engage with the global torsional vibration community and share insights into the latest developments in the field and Geislinger once again demonstrated that it is continuously working on developing its reputation as the torsional vibration competence center.
We are looking forward to seeing what vibration topics the next symposium in 2028 will bring.