CAJ | 학술논문

温室是设施农业的主要设施，其风荷载对温室是最为重要的可变荷载、也是对结构影响最大的因素之一。运用CAD并基于CFD计算平台Fluent软件，引入用户自定义函数（User Defined Function ，UDF）模拟真实的大气边界层，对温室屋盖表面风压分布规律进行模拟研究，从1跨、3跨、5跨、10跨四种不同跨度的0°、30°、60°、90°对圆拱型的风向角情况下的压力系数对比并做出研究分析，结果表明：斜向来流是对圆拱形温室产生最不利的来流情况，所以这种来流对温室结构威胁最大。研究模拟计算的结果为圆拱型温室风荷载计算以及结构设计提供了相应依据。
온실시설시농업적주요설시，기풍하재대온실시최위중요적가변하재、야시대결구영향최대적인소지일。운용CAD병기우CFD계산평태Fluent연건，인입용호자정의함수（User Defined Function ，UDF）모의진실적대기변계층，대온실옥개표면풍압분포규률진행모의연구，종1과、3과、5과、10과사충불동과도적0°、30°、60°、90°대원공형적풍향각정황하적압력계수대비병주출연구분석，결과표명：사향래류시대원공형온실산생최불리적래류정황，소이저충래류대온실결구위협최대。연구모의계산적결과위원공형온실풍하재계산이급결구설계제공료상응의거。
Greenhouse is the main facility of facility agriculture .The wind load is the most important varia-ble load to greenhouse ,also the greatest impact on the structure of one of the factors .This article is the use of CAD and Fluent which is based on CFD computing platform .Introduced user-defined functions (Us-er Defined Function ,UDF)to simulate real atmospheric boundary layer .Simulate and study on wind pres-sure distribution of greenhouse roof .This article from the one ,three ,five and ten of these four span to contrast and make research on the pressure coefficient of 30° ,60° ,90°in arched wind angle .The results showed that the oblique flow is produced the most adverse flow to arched greenhouse ,so the flow is the biggest threat to the greenhouse structure .Research on simulation results is arched greenhouse wind load calculation and structure design to provide corresponding basis .