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"step" in Chinese : vi. (-pp-) 1.走；跨步。 2.踩，踏上 (o ...
"method" in Chinese : n. 1.方法，方式；順序。 2.(思想、言談上的)條理 ...
"numerical step by step method" in Chinese : 數(shù)值的逐步逼近法; 數(shù)值逐步逼近法
"step by step welding method" in Chinese : 跨步焊法
"step-by step method" in Chinese : 逐步逼近法
"step-by-step method" in Chinese : 步進(jìn)法; 循序漸進(jìn)法; 逐步法
"step method" in Chinese : 光階法; 逐級(jí)法
"step-in method" in Chinese : 背弓上弦法
"in step" in Chinese : 步調(diào)一致地；合拍; 步伐一致; 齊步,合拍; 同步,合拍; 同步，合拍，協(xié)調(diào) ...
"in step with" in Chinese : 與-----合步調(diào)，與-----一致; 與...合步調(diào)，與...步調(diào)一致
"no step" in Chinese : 不邁步投球
"on-the-step" in Chinese : 斷階滑行
"step" in Chinese : vi. (-pp-) 1.走；跨步。 2.踩，踏上 (on)。 3.跳舞，輕 ...
"step in" in Chinese : 插入，介人; 干預(yù); 向內(nèi)邁步擊球; 走進(jìn), 干涉, 作短時(shí)間的非正式訪問
"step into" in Chinese : 跨入、踏上……; 逐語句; 走進(jìn)

" direct method " can give accordingly exact results , but is very time consuming ; " step by step method " needs little cpu time and can give high quality results to first part which is quite simple and easy to resolve , but fail to predict the air motion of whole room space
計(jì)算結(jié)果表明，直接模擬法相對(duì)來說最準(zhǔn)確，但是耗費(fèi)資源，局部計(jì)算能清楚顯示某一區(qū)域內(nèi)的流場特性，但是由于界面上的簡化，引致對(duì)整個(gè)空間流場的計(jì)算誤差較大。
Second , " step by step method ' : first solve part of the case , the results of the first part is been written as user difined founctions , then read these fouctions into the remain part of the case , solve the case . the last way is " porous media method " : treat highly complex region with porous media , mesh the whole space enclosure and solve the case using fluent
本文中采取了三種不同的方法對(duì)西安四聯(lián)智能股份有限公司的會(huì)議室模型進(jìn)行數(shù)值計(jì)算預(yù)測流場：一是直接劃分網(wǎng)格進(jìn)行計(jì)算；二、抽取局部進(jìn)行計(jì)算，這是面對(duì)復(fù)雜問題比較常用的一種方法；三、采用類似換熱器模型的思路，利用多孔介質(zhì)模型簡化復(fù)雜流場，再劃分網(wǎng)格進(jìn)行計(jì)算。