I analyzed the airflow in the subway station using the moving boundary problem.
It is known that there are significant speed and pressure fluctuations at the front and rear of vehicles running in narrow spaces such as tunnels and subway stations. In this analysis, we conducted simulations regarding the impact on the area around the platform (airflow, pressure) when a train passes, using the moving boundary problem. For more details, please download the catalog.
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【Analysis Model and Conditions】 ○ The analysis space is the subway station where the train runs, centered around the platform, with a length of 240.0m, a width of 17.0m, and a height of 30.0m. ○ The size of the train is 50.0m in length, 3.0m in width, and 3.5m in height. ○ In the model, two trains pass through the analysis space at a speed of 22.2m/sec (80km/h). ○ The total number of grids is 768×62×41=1,952,256. 【Analysis Results】 ○ Visualization of the wind speed distribution around the train body during its passage. → Intense airflow is generated around the front and rear ends of the vehicle. → A significant residual wind speed remains on the platform even after the vehicle has passed. ● For more details, please contact us or download the catalog.
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In environmental simulation, we are engaged in the independent development and sale of a three-dimensional fluid analysis program, as well as contract analysis services using this software. For over a decade, we have been involved 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 function for BIM-compatible CAD data such as Revit and DXF ● Import function for geographic information system (GIS) data ● SuperCartesian function 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 function that accommodates the movement of multiple objects in space ● User-friendly interface and easy-to-understand animation features Of course, we also provide software support and accept contract analyses. Focusing on air conditioning ventilation and wind environment analysis, we offer high cost-performance solutions for a wide range of problems, from simple and small-scale issues to complex and large-scale analyses. We look forward to your visit, along with our extensive analysis case studies.
