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S. Antia-Vallecillo¹, A. Astiazaran^2,1, J. Sagarzazu^2,3, B. Rodríguez-Arana^2,1, J. Nieto^2,1 and N. Gil-Negrete¹

¹Tecnun, Universidad de Navarra, Donostia – San Sebastián, Spain
², Ceit-Basque Research and Technology Alliance (BRTA), Donostia – San Sebastián, Spain
³, University of the Basque Country UPV/EHU, Donostia-San Sebastián, Spain

doi:10.4203/ccc.15.6.11

S. Antia-Vallecillo, A. Astiazaran, J. Sagarzazu, B. Rodríguez-Arana, J. Nieto, N. Gil-Negrete, "Validation of Synthetic Tailored Crossing Frog Geometries by Means of Multibody Simulation", in J. Pombo, (Editor), "Proceedings of the Seventh International Conference on Railway Technology: Research, Development and Maintenance ", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 15, Paper 6.11, 2026, doi:10.4203/ccc.15.6.11

Keywords: switches and crossings, crossing frog geometry, variable rail, virtual validation, vehicle/track interaction, multibody simulation.

Abstract

Conventional crossing frogs represent a discontinuity in the train passage along rail turnouts, making them prone to impacts. Existing standards and technical referencesgive guidelines for an optimal design of these components. The following paper validates a crossing geometry using Multibody Simulation (MBS), generated keeping in mind maximum speed and traffic type for its design, amongst others. The validation is performed ny means of a reference case of the same geometric characteristics, comparing contact forces and positions.

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Front Page Browse CCC CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Conferences ISSN 2753-3239 CCC: 15 PROCEEDINGS OF THE SEVENTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 6.11 Validation of Synthetic Tailored Crossing Frog Geometries by Means of Multibody Simulation S. Antia-Vallecillo¹, A. Astiazaran^2,1, J. Sagarzazu^2,3, B. Rodríguez-Arana^2,1, J. Nieto^2,1 and N. Gil-Negrete¹ ¹Tecnun, Universidad de Navarra, Donostia – San Sebastián, Spain ², Ceit-Basque Research and Technology Alliance (BRTA), Donostia – San Sebastián, Spain ³, University of the Basque Country UPV/EHU, Donostia-San Sebastián, Spain doi:10.4203/ccc.15.6.11 Full Bibliographic Reference for this paper S. Antia-Vallecillo, A. Astiazaran, J. Sagarzazu, B. Rodríguez-Arana, J. Nieto, N. Gil-Negrete, "Validation of Synthetic Tailored Crossing Frog Geometries by Means of Multibody Simulation", in J. Pombo, (Editor), "Proceedings of the Seventh International Conference on Railway Technology: Research, Development and Maintenance ", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 15, Paper 6.11, 2026, doi:10.4203/ccc.15.6.11 Keywords: switches and crossings, crossing frog geometry, variable rail, virtual validation, vehicle/track interaction, multibody simulation. Abstract Conventional crossing frogs represent a discontinuity in the train passage along rail turnouts, making them prone to impacts. Existing standards and technical referencesgive guidelines for an optimal design of these components. The following paper validates a crossing geometry using Multibody Simulation (MBS), generated keeping in mind maximum speed and traffic type for its design, amongst others. The validation is performed ny means of a reference case of the same geometric characteristics, comparing contact forces and positions. download the full-text of this paper (PDF, 14 pages, 760 Kb) go to the previous paper go to the next paper return to the table of contents return to the volume description
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