refinement n. 1.精煉,提煉,提純,純化,精制;凈化;純凈,精美。 2.高尚,優(yōu)雅;改善。 3.(思想、推理、議論等的)精密,微妙;細(xì)微的區(qū)別;極致。 a person of refinement 高尚的人。 a refinement of cruelty 陰險(xiǎn)刻毒之極的殘忍。
mesh n. 1.網(wǎng)眼;篩孔;〔pl.〕網(wǎng),網(wǎng)狀物,網(wǎng)絡(luò);網(wǎng)絲;銅紗;〔pl.〕法網(wǎng)。 2.【機(jī)械工程】(齒輪的)嚙合。 a 60 mesh screen (每英寸有)60孔的篩子。 a net with half-inch meshes 半英寸孔的網(wǎng)。 vt. 1.用網(wǎng)捕;使纏住。 2.【機(jī)械工程】(使)咬合,鉤住 (with)。 3.編[織]網(wǎng);使成網(wǎng)狀。 mesh a net 編網(wǎng)。 vi. 1.被網(wǎng)住,落網(wǎng)。 2.緊密配合;【機(jī)械工程】互相嚙合 (with)。 be caught in meshes of the law 陷入法網(wǎng)。 be in mesh (齒輪)互相咬住。
In addition , a method of mesh gradation control by means of point distribution and a method of mesh refinement were also proposed in this paper 另外,論文還討論了通過布點(diǎn)來控制網(wǎng)格漸變的方法以及網(wǎng)格加密方法。
In addition , a method of mesh gradation control by means of point distribution and a method of mesh refinement were also investigated in this paper 另外,我們還分析了通過布點(diǎn)方法進(jìn)行網(wǎng)格漸變控制技術(shù)以及一種網(wǎng)格細(xì)化方法。
To mitigate the visual " popping " during the detail level transit , we introduce a deferred merging method to realize the geomorphing in terrain mesh refinement 為了減少相鄰幀畫面在地形不同層次細(xì)節(jié)之間變化所引起的幾何跳躍,采用了滯后合并的方法來實(shí)現(xiàn)動(dòng)態(tài)構(gòu)網(wǎng)過程的幾何過渡。
The error metric can be stored and computed efficiently . we propose a novel time - critical optimization strategy to mesh refinement by further exploiting frame - to - frame coherence 提出了基于視點(diǎn)連貫性的四隊(duì)列控制策略來執(zhí)行實(shí)時(shí)的動(dòng)態(tài)構(gòu)網(wǎng),能有效地控制三角形構(gòu)網(wǎng)所需要的時(shí)間。
The method automatically identifies nodes of the mesh which are candidates for deletion . the mesh refinement procedure sub - divides elements into a number of similar elements in the regions to be refined 網(wǎng)格中的刪除點(diǎn)自動(dòng)定位,細(xì)化是對需細(xì)化的區(qū)域的網(wǎng)格單元細(xì)分為幾個(gè)相似的網(wǎng)格單元。
In order to improve the accuracy and efficiency of numerical prediction , a semi - adaptive and layer - patch refinement method based on the idea of adaptive mesh refinement ( amr ) is proposed and applied to the numerical simulation of wind flow around buildings based on the pressure correction iterative algorithm 為提高數(shù)值模擬解的精度,將適應(yīng)性網(wǎng)格局部加密( amr )的思想應(yīng)用到采用壓力校正迭代算法的建筑風(fēng)場模擬中,并提出了一種半自適應(yīng)的層塊網(wǎng)格加密方法。
Numerical results are consistent with that of sandia laboratory experiment and agree with that of cth code too . an adaptive mesh refinement under 2d euler structure grid for multi - fluid flow is developed for resolving richtmyer - meshkov , rayleigh - taylor and helmholtz multi - fluid instabilities , and the high resolution interface properties can be obtained 數(shù)值模擬多介質(zhì)流體richtmyer - meshkov , rayleigh - taylor , helmholtz界面不穩(wěn)定性,用levelset函數(shù)定義euler坐標(biāo)系中界面附近網(wǎng)格自適應(yīng)判據(jù),使得網(wǎng)格剖分更加合理,既能提高計(jì)算精度又能節(jié)省計(jì)算時(shí)間。
By using equable mesh refinement techniques and effectively handling the holes in the gray - image , the car ’ s shape can be exactly reflected 。 second , shape design with vrml and deforming methods of 3d - model based on image is discussed 。 by using warp techniques based on profile of the model , we can easily remesh so as to implement the shape customization 。 finally , entire customization system is discussed and communication mechanism between java applet and servlet and some related technology of jdbc database are analyzed 。 interactive methods in the customization system are introduced to modify appearance and parameter of person - machine effects of the product 。 本文采用基于特征輪廓線的深度圖像變形,重建新的三維模型,實(shí)現(xiàn)外形的定制。最后,分析了編程中的javaapplet與servlet通訊機(jī)制、數(shù)據(jù)庫等關(guān)鍵技術(shù),對整個(gè)定制系統(tǒng)構(gòu)成進(jìn)行闡述。介紹了定制系統(tǒng)中的交互機(jī)制,及定制模塊包括外觀、外形、人機(jī)工程、運(yùn)動(dòng)控制等來實(shí)現(xiàn)產(chǎn)品的個(gè)性化定制。
Comparison of flow regimes is made for different reynolds - number flows and mesh refinement . the current study for the laminar flow over a backward - step facing step explores the influence of the sidewall on the development of three - dimensional flow for re > 400 . meanwhile , this paper attempts to study on some important aspects of time - dependent incompressible viscous flow 本論文的主要研究成果有: 1 、評述了三維粘性流動(dòng)數(shù)值模型的研究現(xiàn)狀,分析了各數(shù)學(xué)模型的建模思想及相應(yīng)的數(shù)值計(jì)算方法,提出了當(dāng)前存在的高精度的數(shù)值計(jì)算方法和邊界條件的適定性問題。
This thesis presents the high resolution numerical simulation methods for multi - fluid dynamics . the main contents include three parts : the first is a set of interface capturing equations deduced to describe the interface evolution , which is suitable for constructing two - order enhanced un - split finite volume scheme and three - order parabolic - piecewise - method ( ppm ) scheme in euler coordinate ; the second is the capabilities of level - set method for tracking multi - fluid interfaces are unproved ; the third is that the computational resolutions are much more advanced by improving adaptive mesh refinement ( amr ) technique 主要研究目的是獲得多介質(zhì)流體流動(dòng)的高精度數(shù)值模擬方法,主要內(nèi)容包括界面捕捉方程的推導(dǎo),適用于euler坐標(biāo)系的增強(qiáng)型二階精度非維數(shù)分裂有限體積計(jì)算格式和三階精度ppm格式構(gòu)造,以及發(fā)展改進(jìn)levelset方法提高捕捉流體界面的能力,發(fā)展改進(jìn)網(wǎng)格自適應(yīng)技術(shù)提高各類方程解的計(jì)算精度。