{"id":3904,"date":"2025-03-17T17:50:14","date_gmt":"2025-03-17T17:50:14","guid":{"rendered":"https:\/\/ccitonline.com\/wp\/?p=3904"},"modified":"2025-03-18T07:31:37","modified_gmt":"2025-03-18T07:31:37","slug":"optimizing-urban-building-design-cfd-wind-flow-analysis-for-a-5-story-structure","status":"publish","type":"post","link":"https:\/\/ccitonline.com\/wp\/2025\/03\/17\/optimizing-urban-building-design-cfd-wind-flow-analysis-for-a-5-story-structure\/","title":{"rendered":"Optimizing Urban Building Design: CFD Wind Flow Analysis for a 5-Story Structure"},"content":{"rendered":"\n
Muhammad Annawfal Rizky Sihotang 2106718281 Sustainable Energy Conversion System<\/p>\n\n\n\n
To assess these effects, a Computational Fluid Dynamics (CFD) simulation<\/strong> was conducted using SimScale<\/strong>, examining the interaction between wind and a 20m \u00d7 25m \u00d7 15m<\/strong> building exposed to an initial 4 m\/s wind speed along the x-axis<\/strong>. <\/p>\n\n\n\n
Boundary Conditions<\/strong><\/h4>\n\n\n\n
\n
Inlet (Front of the Domain):<\/strong> Wind enters the simulation domain from the front with a velocity of 4 m\/s in the x-direction<\/strong>.<\/li>\n\n\n\n
Outlet (Back of the Domain):<\/strong> A pressure outlet is defined at the rear of the building, allowing unrestricted air exit.<\/li>\n\n\n\n
Walls (Sides):<\/strong> These are treated as no-slip walls<\/strong>, preventing air penetration and ensuring realistic boundary constraints.<\/li>\n<\/ul>\n\n\n\n
This study highlights the importance of wind-aware building design<\/strong> in urban environments, ensuring optimal airflow management, improved energy efficiency, and enhanced occupant comfort.<\/p>\n\n\n\n
Flow Analysis and Structural Considerations<\/h3>\n\n\n\n
Windward Side (Front Face) \u2013 High-Pressure Zone<\/h4>\n\n\n\n
When the wind strikes the front facade, its velocity decreases significantly, resulting in a high-pressure stagnation area. The peak recorded pressure in this simulation is 27.81 Pa<\/strong>, concentrated mainly in the central part of the windward wall. This pressure buildup generates substantial wind loads, necessitating a robust facade design to endure these forces effectively.<\/p>\n\n\n\n
Building Sides \u2013 Increased Wind Velocities<\/h4>\n\n\n\n
As the airflow moves around the building edges, it accelerates due to constriction effects. The highest measured wind speed is 7.79 m\/s<\/strong>, occurring at the corners of the structure. Elevated wind speeds at pedestrian levels can lead to discomfort and, in extreme conditions, pose safety risks.<\/p>\n\n\n\n
When air moves over the roof, it gains speed, resulting in regions of low pressure. These variations in pressure can produce lift forces, potentially affecting roof stability.<\/p>\n\n\n\n
Leeward Side (Rear) \u2013 Wake Formation & Turbulence<\/h4>\n\n\n\n
As air separates from the structure’s rear, it creates a wake region characterized by turbulence. This phenomenon can negatively impact ventilation if openings are not strategically positioned, possibly leading to heat and pollutant accumulation.<\/p>\n\n\n\n
Recommendations for Optimization<\/h3>\n\n\n\n
Mitigating High Wind Speeds:<\/strong> Planting trees in high-velocity areas can help moderate wind flow and enhance pedestrian comfort.<\/p>\n\n\n\n
Enhancing Ventilation:<\/strong> Installing operable windows or vents at the windward (high-pressure) and leeward (low-pressure) sides can facilitate natural cross-ventilation.<\/p>\n\n\n\n
Roof Stability Improvements:<\/strong> Incorporating parapets or aerodynamically designed roof features can help minimize vortex formation and improve structural stability.<\/p>\n\n\n\n
Muhammad Annawfal Rizky Sihotang2106718281Sustainable Energy Conversion System To assess these effects, a Computational Fluid Dynamics (CFD) simulation was conducted using SimScale, examining the interaction between wind and a 20m \u00d7 25m \u00d7 15m building exposed to an initial 4 m\/s wind speed along the x-axis. Boundary Conditions This study highlights the importance of wind-aware building […]<\/p>\n","protected":false},"author":112,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-3904","post","type-post","status-publish","format-standard","hentry","category-general"],"_links":{"self":[{"href":"https:\/\/ccitonline.com\/wp\/wp-json\/wp\/v2\/posts\/3904","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ccitonline.com\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ccitonline.com\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ccitonline.com\/wp\/wp-json\/wp\/v2\/users\/112"}],"replies":[{"embeddable":true,"href":"https:\/\/ccitonline.com\/wp\/wp-json\/wp\/v2\/comments?post=3904"}],"version-history":[{"count":2,"href":"https:\/\/ccitonline.com\/wp\/wp-json\/wp\/v2\/posts\/3904\/revisions"}],"predecessor-version":[{"id":4012,"href":"https:\/\/ccitonline.com\/wp\/wp-json\/wp\/v2\/posts\/3904\/revisions\/4012"}],"wp:attachment":[{"href":"https:\/\/ccitonline.com\/wp\/wp-json\/wp\/v2\/media?parent=3904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ccitonline.com\/wp\/wp-json\/wp\/v2\/categories?post=3904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ccitonline.com\/wp\/wp-json\/wp\/v2\/tags?post=3904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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