virtual pressure 中文意思是什麼
virtual pressure
解釋
虛壓-
Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box
綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。 -
The finite element analysis of 3d seepage field for surrounding rock mass of cavern groups of underground powerhouses was performed based on the nodal virtual flux method for solving the non - pressure seepage field and the improved drainage substructure technique for accurately simulating the complex seepage behaviors of densely distributed drainage holes, with emphasis placed on the seepage properties of the anti - seepage concrete curtain and drainage curtain in the anti - seepage and drainage system
摘要在求解無壓滲流場結點虛流量法的基礎上，結合可精細模擬密集排水孔復雜滲流水力行為的改進排水子結構技術，付某地下廠房廠區洞室群圍巖區三維滲流場進行了有限元求解分析，著重研究了防滲排水系統中的帷幕和排水幕的滲流特性。 -
Finally, the author puts forward the countermeasures and the suggestions in the development of the animal husbandry in jiuquan oasis, which are to confirm the rational amount of domestic animal loaded ; to protect the meadow resource and to develop the high - quality artificial meadow energeti cally ; to implement the virtual water strategy in order to alleviate the ecological environment pressure in jiuquan oasis ; to advance the industrialization process of animal husbandry energetically ; to process and utilize crops by product in the agricultural district ; to strengthen the construction of shelter forest of qilian mountains ; to organize the seasonal production of the animal husbandry ; to popularize the fatten poultries technology in the other land ; to strengthen the rational planning of the production of the animal husbandry ; to increase fund input ; to accelerate the basic construction of the animal husbandry and to prevent and cure the grassland which mouse hurt
採用層次分析法對酒泉綠洲畜牧業發展的重要影響因素做了判斷。最後從確定合理的載畜量，大力保護草地資源和發展優質人工草地，實施虛擬水戰略以緩解酒泉綠洲的生態環境壓力，大力推進畜牧業產業化進程，對農區農作物副產品的加工利用、加強祁連山防護林建設、組織畜牧業季節性生產，推廣推廣肉禽異地育肥技術、加強畜牧業生產的合理規劃、增加資金投入，加快畜牧業基礎設施的建設以及草原鼠害的防治等十個方面提出了酒泉綠洲畜牧業發展的具體對策建議，以期望能對酒泉市的社會經濟發展提供科學的決策依據。 -
High - pressure reciprocating - pump valve virtual design
高壓往復泵泵閥虛擬設計 -
The ipsa model solves the navier - stokes equations of each phase with the interphase interactions between two phases of water and air, including the interphase drag forces, interphase lift forces, interphase pressure and virtual mass forces
Ipsa模型對每一相求解n - s方程，並考慮水-氣體兩相間的相間相互作用，包括相間阻力、相間升力、相間壓力和虛質量力。 -
The forces acted on the bubbles are drag, virtual mass, lift, wall lift, pressure gradient, and gravity
氣泡受力包括相間阻力、虛質量力、升力、壁面升力、壓力梯度和重力等。 -
In the 1 ight of results, the interphase pressure can be ignored and the interphase lift force plays a trifling role in the friction reduction, while the gravity - buoyancy, the interphase drag force and the virtual mass force are influential, especially in the bigger bubble
結果表明，相間壓力可以忽略掉，相間升力起的作用比較小，而重力-浮力、相間阻力和虛質量力的影響比較大，特別是在大氣泡中。 -
The model of fpsa ( inter - phase slip algorithm ) provided in phofvmcs, the software used in computational fluid dynamics, which solves the navier - stokes equations of each phase with the interphase interactions between two phase of water and air, including the interphase drag forces, interphase lift forces, interphase pressure and virtual mass forces, is employed with the difference scheme of upwind and the orthonormal grid
計算採用由phoenics （計算流體力學軟體）的ipsa （相間滑移演算法）模型，應用upwind （迎風）格式和直角坐標網格。 ipsa模型對每一相求解n - s方程，並考慮水-氣體兩相間的相間互互作用，包括相間阻力、相間升力、相間壓力和虛質量力。 -
This eos is thought a supplement to the gruneisen eos for it utilizing pressure p and temperature t as its variables. a statistical mechanics proof had been presented, so the substance parameter r in the eos first time has its virtual definition and then can be used without any other eos. additional, some other points of this eos also have been discussed, for example, the r = r ( p ) hypothetic
本文（ l ）給出了這種物態方程的一種統計力學推證，給出了方程中物質參數r的微觀定義，從而使該方程能不再依賴于gruneisen物態方程而獨立存在; （ 2 ）研究了r的特性，證明了r = r伊夕假設具有一定的近似合理性，但以常壓實驗數據的實際檢驗顯示， r具有相對較大的溫度系數，這是在今後的理論研究和實際應用中應該加以重視的。 -
The research of this paper starts from mechanical vibration, then goes deep into the noise radiation caused by vibration and calculates the relevant acoustic and pressure field. the purpose of this research lies in the virtual reality of the mechanical vibration and noise based on the above acoustic and pressure field
本文的研究目的在於，從對機械結構的振動的研究開始，深入到對由振動引起的噪聲輻射的研究，計算得到相應的聲壓場，並據此實現對機械振動噪聲的虛擬再現。 -
The technical points of developing the control system of ty - 1 adjustable pressure casting with virtual instrumentation technology are discussed
本文主要論述運用虛擬儀器技術開發研製調壓鑄造機控制系統的技術要點。 -
During graduated study, the author participated in many development projects, in which " fully automatic biochemical analytic instrument " and " analog control equipment under extreme temperature and extreme pressure project " were both built on the virtual instrument architecture established by the author. instructions for these two projects were in chapter vi and vii, such as analyzing the key technique and difficulty in the development and solutions to the problems
其中全自動生化分析儀與高溫高壓極端環境模擬平臺項目都是以自主構建的虛擬儀器體系結構模型為核心，制定項目開發方案的，第六章與第七章將分別介紹這兩個開發實例，分析項目開發關鍵技術、難點，提出解決方案並介紹實現方法。 -
Pressure testing of vpn ( virtual private network )
Vpn的壓力測試，請問這樣翻譯對嗎？
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