Study of the Dynamics and Strength of the Detachable Module for Long Cargoes under Asymmetric Loading Diagrams
Source abstract
Abstract
This article highlights the structural features of the detachable module for the transportation of long cargoes. The choice of profiles for the detachable module was based on the resistance moments of its components. The detachable module was considered a rod structure on four supports. To determine the longitudinal loads acting on the detachable module, mathematical modeling of its longitudinal dynamics was carried out, provided they were placed on a flat car during a shunting impact. The accelerations obtained were used for the calculations of the detachable module. This article presents the results of the strength calculation of the detachable module under asymmetric loading diagrams, i.e., the action of longitudinal and lateral forces on the detachable module structure. The results of the calculations show that the maximum stresses in the structure of the detachable module when it receives longitudinal loads are 7.7% lower than the permissible ones, and when it receives lateral loads, they are 5.8% lower. Thus, the strength of the detachable module is maintained under the loading diagrams considered. This study also included a modal analysis of the detachable module structure. The first natural frequency of oscillations is found to be 20 Hz. Thus, the safety of the detachable module movement in terms of frequency analysis is ensured. This research will help to create recommendations for the design of modern modular vehicles and improve the efficiency of the transport industry.
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Research context
OpenAlex topics: Industrial Engineering and Technologies · Diverse Industrial Engineering Technologies · Mining and Gasification Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Transport and Handling Machines, Faculty of Mechanical Engineering, University of Žilina, Univerzitná 8215/1, 010 26 Žilina, Slovakia
Department of Building Structures, Faculty of Civil Engineering, Sumy National Agrarian University, 160 Herasyma Kondratieva Street, 40000 Sumy, Ukraine
Department of Structural Mechanics and Hydraulics, Faculty of Construction, Ukrainian State University of Railway Transport, Feuerbach Square 7, 61050 Kharkiv, Ukraine
Funding
Cultural and Educational Grant Agency of the Ministry of Education of the Slovak Republic · Slovak Research and Development Agency of the Ministry of Education, Science, Research and Sport of the Slovak Republic in the Educational Grant Agency of the Ministry of Education of the Slovak Republic · EU NextGenerationEU through the Recovery and Resilience Plan for Slovakia
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