CFX調(diào)用ICEM進(jìn)行user defined remeshing
2016-10-07 by:CAE仿真在線 來(lái)源:互聯(lián)網(wǎng)
前段時(shí)間做了個(gè)cfx調(diào)用workbench進(jìn)行user defined remeshing的例子,可以實(shí)現(xiàn)物體6dof的大位移運(yùn)動(dòng)問(wèn)題,但是正像流沙說(shuō)的那樣,這種remeshing的速度非常慢,因?yàn)閣orkbench的打開(kāi)和updata速度都很緩慢。這里在user defined中調(diào)用ICEM進(jìn)行remeshing,速度將會(huì)大大的提高,并且可以實(shí)現(xiàn)6dof的運(yùn)動(dòng)問(wèn)題。
還是以一個(gè)方盒子旋轉(zhuǎn)運(yùn)動(dòng)作為例子,為了簡(jiǎn)化,這里只考慮了方盒子繞z軸的旋轉(zhuǎn),沒(méi)有加入平移運(yùn)動(dòng)。
![CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing](http://m.09bigdata.com/i/g/7f/7fa2967c0e0edca3aebb0f91d71c6355r.jpg)
和直接使用ICEM進(jìn)行網(wǎng)格重構(gòu)一樣,我們需要錄制replay文件,只是這里的rpl會(huì)記錄我們對(duì)box的幾何平移和旋轉(zhuǎn)操作。打開(kāi)rpl文件,這里記錄了對(duì)box的旋轉(zhuǎn)操作,我們要做的是通過(guò)fortran對(duì)這個(gè)文件進(jìn)行讀寫(xiě)的操作,在每一次remesh時(shí)將旋轉(zhuǎn)量變成正確的量,這樣在每次remesh時(shí)生成的網(wǎng)格才是我們需要的。
![CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing](http://m.09bigdata.com/i/g/c5/c594a7a568ea1a41a28d29fbd6f388fdr.jpg)
通過(guò)批處理程序,首先執(zhí)行fortran程序,對(duì)rpl進(jìn)行改寫(xiě),然后調(diào)用ICEM進(jìn)行remeshing:
![CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing](http://m.09bigdata.com/i/g/9a/9a08497048813ef7591e0f5794be3375r.jpg)
CFX user CEL:
![CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing](http://m.09bigdata.com/i/g/82/82b93e3f3587d7f358c7a75db9abb523r.jpg)
![CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing](http://m.09bigdata.com/i/g/40/402300f789a8ef4d0d9a5aa0a7fd5cddr.jpg)
![CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing](http://m.09bigdata.com/i/g/c6/c6ef110d6441722e75cd299303f2bf62r.jpg)
![CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing](http://m.09bigdata.com/i/g/4e/4ec8c5d9d9f87758c5074f0f6e9aa49br.jpg)
結(jié)果:
![CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing](http://m.09bigdata.com/i/g/20/2073127cbcc7857a3368b57a5c9544e2r.jpg)
![CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing](http://m.09bigdata.com/i/g/31/3166b27512272c5de4b198594aa1dc54r.jpg)
![CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing](http://m.09bigdata.com/i/g/aa/aafe214e0630f747e880d4a3b128cfder.jpg)
![CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing](http://m.09bigdata.com/i/g/de/de2a148c7fb8060b05ba0702555b6bd8r.jpg)
![CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing](http://m.09bigdata.com/i/g/81/813c52f23567b66c422932d7e4800490r.jpg)
![CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing CFX調(diào)用ICEM進(jìn)行user wbrdefined wbrremeshing](http://m.09bigdata.com/i/g/70/702bfe089c3f3966953fc3e26b3c232ar.jpg)
使用workbench和icem來(lái)進(jìn)行6dof的remesh為我們提供了2種方法,最重要的是給了我們清晰的思路。我們可以按照這個(gè)思路隨意發(fā)揮,比如我們會(huì)調(diào)用prE建立新的幾何模型,再使用hypermesh來(lái)進(jìn)行網(wǎng)格劃分。
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