We analyzed the aerodynamic pressure acting on a moving train.
Moving Boundary: The analysis of wind pressure acting on a moving train was conducted using numerical simulations that take into account the moving boundary. There are concerns that strong winds, such as those caused by typhoons, can overturn moving trains. Therefore, understanding the wind pressure acting on a moving train is crucial. For more details, please download the catalog.
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【Analysis Model】 - The shape of the track structure is modeled as an embankment built on flat ground, with vehicles treated as a moving boundary model. - The size of the vehicle is 4.5m (W) × 24m (L) × 4.5m (H) × 4 units. - The cross-sectional shape is rectangular. - Wind speed conditions involve a wind of 20m/sec directed towards the side of the train. - The speed of the vehicle is 100km/h. - The turbulence model used for analysis is DNS (Direct Numerical Simulation). 【Analysis Results】 - Due to the embankment, significant crosswinds act on the train. - The pressure distribution results show a pressure difference of approximately 800Pa between the windward and leeward sides of the train. - The difference is greater at the front car. - A large negative pressure region is observed on the upper part of the vehicle, which is assumed to provide significant lift to the train. ● For more details, please contact us or download the catalog.
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In environmental simulation, we develop and sell proprietary 3D fluid analysis programs and provide contract analysis services using these software tools. For over a decade, we have been engaged in thermal fluid analysis in fields such as architecture, civil engineering, machinery, and electronics, handling numerous analyses and accumulating a wealth of know-how and knowledge. Our diverse analysis and visualization functions, honed through practical experience, have received high praise as CFD software from many companies and research institutions. ● Import functionality for BIM-compatible CAD data such as Revit and DXF ● Map information (GIS) data import functionality ● SuperCartesian functionality that freely represents diagonal boundaries and complex curved surfaces ● High-speed, high-precision radiation calculations and high-precision turbulence analysis using DNS ● Moving boundary problem analysis functionality that accommodates the movement of multiple objects in space ● User-friendly interface and easy-to-understand animation features In addition to software support, we also accept contract analyses. Focusing on air conditioning ventilation and wind environment analysis, we provide high cost-performance solutions for a wide range of problems, from simple, small-scale issues to complex, large-scale analyses. We look forward to your visit, along with our abundant analysis case studies.
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