Nowadays, Spain is the world-wide leadership in High Speed Railways being the most vast in Europe and the second in the world. Other countries like Norway and USA, put their eyes in Spain and the technology developed by the Spanish Administrator in charge of the public Railways Infrastructure (ADIF). This leadership has allowed ADIF to be selected, for instance, into the builders the corridor from Medina to Meca. This paper describes the work carried out during more than fifteen years by the CALPE team, a multidisciplinary research group of civil engineers and computer scientist and ADIF. As a result of this intensive collaboration, two success tools allow ADIF to be competitive. Those tools are called CALPE and InDiCa. In this paper, CALPE and InDiCA are introduced from the beginning of the collaboration till the latest versions: history, mechanical functionalities, computing issues, etc.
Spain is one of the world-wide leaders in High Speed Railways, being the most vast in Europe and the second in the world. Other countries are interested in the technology developed by the Spanish Administrator in charge of the public Railways Infrastructure (ADIF). This paper describes the work carried out during more than fifteen years between CALPE team, a multidisciplinary research group of civil engineers and computer scientist and ADIF. As a result of this intensive collaboration, two successfull tools allow ADIF to be more competitive, with a cost reduction in their installations due, mainly, to a lower maintenance cost, and the improvement of the efficiency in the power lines designed by using these tools, called CALPE and InDiCa. In this paper, CALPE and InDiCA are introduced from the beginning of the collaboration till the latest versions: history, mechanical functionalities, computing issues, etc. I. INTRODUCCIÓNLa evolución en el mercado del transporte, resultante de un vasto cúmulo de elementos, tales como la globalización de la economía, la desregulación creciente de los mercados, el aumento de la competitividad en el marco de la mejora de los servicios al cliente, la creciente preocupación por el medio ambiente, así como la necesidad de garantizar a largo plazo una rentabilidad operativa consistente con el desarrollo económico de los paises, está conduciendo a un cambio radical (tanto estructural como cultural) en el sector ferroviario, centrado en enfoques innovadores para los negocios y los servicios, que conduce a que las diferentes empresas en el mismo cambien sus modus operandi en una estrategia mundial globalizada orientada al mercado.La supervivencia en el mercado del transporte, en constante evolución y altamente competitivo, implica una continua búsqueda de la excelencia en los servicios, que permita a los operadores ferroviarios y a las industrias suministradoras lograr un perfil global de primer nivel. Dicha búsqueda de la excelencia tiene que cubrir toda la gama de actividades comerciales, a partir de la demanda del mercado y finalizando con la satisfacción del cliente. Se requiere, pues, un desarrollo integrado y la implementación oportuna de unas adecuadas infraestructuras organizativas, tecnológicas y de capacidades.Por tanto, el cumplimiento de esta estrategia necesita de una nueva construcción conceptual, y entre otras cuestiones, el desarrollo de un más eficiente acoplado entre el pantógrafo y la catenaria, así como la utilización intensiva de una amplia gama de nuevas tecnologías.Por otra parte, la multitud de sistemas de electrificación que en la actualidad se utilizan en toda Europa y, posteriormente, así como la inversión masiva de capitales que serían necesarios para poner en práctica cualquier tipo de solución armonizada válida en toda Europa, son razones para suponer que no es previsible un cambio importante en este campo en un futuro cercano. Un estudio detallado de los sistemas de electrificación y la tecnología de la interacción pantógrafo/catenaria, teniendo en cuenta lo...
Dynamic pantograph-catenary interaction is one of the most critical aspects to consider in catenary design, especially in high-speed rails. It is essential to maintain a constant power transmission in order to achieve high speeds and avoid the production of electric arcs, which damage the wires. This paper shows a tool, called InDiCa 3D, based on a three-dimensional model to solve the dynamic pantograph-catenary interaction in a efficient way, which allows the calculation of the effect of wind on the catenary, which is not possible in a two-dimension model, making the process of catenary design more accurate.
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