free surface 中文意思是什麼
free surface
解釋
游離面-
The distance from the impermeable base to the free surface is a function of space and time.
由隔水底板至自由面的距離是空間和時間的函數。 -
Visar - measured wave profiles on the free surface of target were profiles with an initial velocity jump followed by a smoothly - rising front to the peak velocity amplitude, showing that quasi - isentropic loading has been successfully generated
Visar測試得到的是波陣面上升前沿被明顯展寬的準等熵壓縮波，最高的擊靶壓力達到了260gpa 。 -
Inasmuch as leaning she sustained her blond hair for him to ribbon it for her cf. neckarching cat. moreover, on the free surface of the lake in stephen s green amid inverted reflections of trees her uncommented spit, describing concentric circles of waterrings, indicated by the constancy of its permanence the locus of a somnolent prostrate fish cf
而且，她連招呼也沒打一聲就朝著「斯蒂芬草地」那浩森的湖面145上啐了一口，唾沫浮在一棵棵樹的倒影之間，劃下一圈圈同心圓的波紋，持久而凝然不動，以一條人睡般平臥著的魚為記號與守候老鼠的貓相比。 -
Finite volume method is appilied in numerical modeling of the flow in no - pressure tunnel of high water reservoir in this paper. i select standard k - turbulence modeling that put forward by launder and spalding in 1972 by weighted poly - turbulence modeling. the difficulty is that there is free surface in flow, but free surface problem ' s calculating region is indefinitely
本文利用有限體積法對高水頭下水庫無壓泄水洞水流進行了紊流數值模擬，根據多種紊流模型的優缺點進行比較，選擇了launder和spalding於1972年提出的標準的k ?紊流模型。 -
In general, all free-surface liquid motions are stratified flows.
從這個意義上來說，一切自由表面液體運動也都是分層流。 -
Steady free surface flow
定常無壓流 -
The upper horizontal dotted line represents the free surface of the liquid at rest.
上方的水平點線，代表的是處于靜止狀態液體的自由表面。 -
Finally a set of equations with initiate values for boundary value problem is established where the velocity potential and its normal derivative are unknowns. because the model includes the effects of both the time and space to the velocity potential of free surface, it can be applied to strong nonlinear wave. as examples, solitary wave is computed in the numerical flume
推導給出計算域內以所有節點波勢函數和波面位置高度的時間增量為未知量的線性方程組，並同時考慮時間因素和空間變位對波面勢函數的影響，在預設的計算精度下，通過時步內的循環迭代逐一確定每個時步上的波面運動位置，從而建立了一種可適于求解強非線性波浪變形計算的數值模式。 -
The result show that the position of free surface is higher because of frusta of brake, especial obvious in the head of frusta of brake ; flux coefficient and pressure on dam are quite influenced by type of frusta and 3 a type frusta of brake relative to 2 type frusta of brake has bigger flux coefficient and smaller pressure on dam ; obvious influence of ability of discharge flow for different ratio of thickness of frusta and breadth of brake and pressure on dam reduces with increasing ration of thickness of frusta and breadth of brake, while bigger flux coefficient is obtained when tlb = 0. 2
結果表明，閘墩河海大學博士論文的存在抬高了水面線的位置，其中在閘墩頭部尤其明顯;墩型對流量系數和壩面壓力影響較大， 3a型閘墩相對於2型閘墩具有更大的流量系數和更小的壩面壓力:不同的墩厚閘寬比t / b對泄流能力也將產生顯著的影響，隨著墩厚閘寬比的增加，壩面壓力降低，而當t / b二0 . 2時溢流壩具有更大的流量系數。 -
Unsteady free - surface waves due to a submerged body in two - dimensional oseen flows
流中潛體產生的非定常表面波 -
11 can be a subsurface runoff parameterization with water storage and recharge based on the boussinesq - storage equation 625 written as 11 ee sineee sine. nnnnktaxbtnnuxktbtnsknnktbtaxnnuxktbtnsknnhxtwfnxhkbwfnxhkb letting t tend to infinity, one can get the steady aquifer function hs 13 : 1 sinee. uxaxnsksnnnfnhxxhkb multiplying through by the specific yield, f, and in - tegrating with respect to x between 0 and l gives the drainable storage associated with this steady - state free surface
下面考慮整個潛水面的一種穩定狀態，也就是是對于任意一個恆定的入滲，當時間時潛水面將達到穩定的狀態不再發生變化，這個時候顯然有， 0 ， . sntnt t ， ssqnl也就是入滲補充量等於地下徑流量 -
Higher mold temperatures will achieve a smoother, more blemish - free surface by providing a resin rich skin on reinforced materials
較高的模溫會達到較光滑的，更無瑕疵的表面因為補強材料的成型零件會有豐富的表層。 -
In addition, based on the biot theory of consolidation and considered the influence of seepage on deep foundation pit excavation, the mathematics model is established, which is applied to the coupling of seepage and stress and considers the free surface of seepage. it is understood that the influence on the stability of foundation pit by groundwater seepage formed during deep foundation pit excavation
考慮到滲流對基坑開挖的影響，在biot固結理論的基礎上對基坑開挖進行了滲流場與應力場耦合分析，建立了耦合計算模型，由此分析在深基坑開挖過程中，由降水形成的地下水滲流對基坑開挖穩定性的影響。 -
Aiming at the medium thickness slab caster in anshan isco, numerical simulations concerning fluid flow and free surface wave process of liquid steel in mold were conducted by using the cfx4. 4, a commercial software package for fluid flow analysis, in which the metallurgical functions of a submerged nozzle, specially the submerged nozzle with three holes, were investigated emphatically
摘要以鞍鋼中薄板坯連鑄機為對象，在商業軟體cfx4 . 4的平臺上對結晶器內鋼水流動和液面波動過程進行了數值模擬，重點研究了其所獨有的3孔浸入式水口的冶金功能。 -
A flow induced vibration model based on grid - free surface vorticity method
一種基於表面渦方法的流體誘導管束振動計算模型 -
However, it is found that the second or the third order mode shape rather than the first order, are responsible for the seismic responses on free surface under many case in this paper
然而採用等效非線性化直接分析士層地震反應的實例計算結果表明在很多情況下，對場地地震反應起主要作用的不是第一振型而是第二、三階振型。 -
The model is free from limitation through complex shape of rigid boundary and arbitrary deformation of the free surface, and thus has the adaptability to special practical situation
該方法不受流體變形程度和固邊界形狀的限制，因而具有特定的適應性。 -
The principle of the predigestion in geometry modeling is omitting the function part and the non - load - carrying process structure, and to the big and transition arc, the curve is replaced by straight line using the thought of curve and free - surface segmentation. the physical characteristic of the digital model reflect on remaining the main mechanical characteristic of the objects. the shell element model is used in strength analysis, stiffness analysis and dynamic analysis
文中幾何建模的簡化原則是，略去功能件和非承載的工藝結構，對于大圓弧和過渡圓弧，以曲面分塊和曲線分段的思想進行適當的以直代曲;數模的物理特性反映在最大限度地保留對象的主要力學特性;在強度、剛度和動態分析中採用殼元模型，輕量化設計中採用梁元模型;材料特性根據所用材料定義其主要性能參數。 -
This thesis discusses the problem free - surface modeling technique of turbine blade according to the property of the runner blade and the present research achievement in free - surface modeling technique, the major study concerned are introduced below : firstly, it accomplished the study of intersection for blade - to - plane and present the method of three - step algorithms such as subdivision > iterative refinements approach ; meanwhile it solved the problem of small area extend of blade by use minimal modulus method
本文針對水輪機葉片的特點，結合曲面造型技術的研究現狀，研究了水輪機葉片的nurbs曲線曲面造型問題。主要工作有：第一，完成了葉片與任意平面求交問題的研究，提出分割-迭代-擬合三步求交演算法。同時首次應用最小二乘擬合端部法解決了葉片的小區域延展問題。 -
Two commonly used methods of pressurization test of pipelines with free - surface in best common are close water test and close gas test
閉水試驗和閉氣試驗是無壓管道進行嚴密性試驗最常採用的兩種試驗方法。
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