pressure calculation 中文意思是什麼

pressure calculation 解釋
壓力計算
  • pressure : n 1 壓；按；擠；榨。2 【物理學】壓力，壓強；大氣壓力；電壓。3 精神壓力，政治[經濟、輿論等]壓力。4...
  • calculation : n. 1. 計算，計演算法。2. 推定，預測。3. 深思熟慮，精打細算；慎重的計劃；算計。
  1. 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。
  2. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。
  3. Oil - pressure calculation of hydraulic station for hoister braking system

    提升機制動系統液壓站油壓計算
  4. Explosion pressure calculation of flammable gas clouds with barriers

    氣雲內存在障礙物時的爆炸壓力計算
  5. Consequently, to optimize the appearance and structure design of retaining walls, especially to have a deeper understanding of the bearing mechanism of various retaining walls and select city retaining wall type reasonably are of great engineering significances and potential economic effect. based on a thorough analysis of the character and mechanism of city - retaining - wall structures, the design theories, construction technology, new wall types and development tendency are deeply discussed. besides, the characteristics of various types of city retaining wall are discussed, and the usual methods for earth pressure calculation are summarized

    本文在綜合分析目前常用城市擋土結構的特點及其受力特性等基礎上，針對一般擋土墻設計理論、施工技術、新型結構以及未來的發展趨勢進行了深入探討，論述了城市擋土結構的特點，並對常用土壓力理論進行了綜述，介紹了城市擋土墻常見的類型，並介紹了常規的設計理論和方法；通過分析比較，優選出錨桿擋土結構和砌塊式擋土結構，並從錨桿錨固原理出發，結合工程實踐和大量現場試驗、對錨桿的抗拔承載力進行了深入研究，提出了用調整雙曲線模型法計算錨桿抗拔承載力的方法，對土壓力計算方法進行了探討，對其設計計算方法進行了研究。
  6. The design manual falls into three parts : chapter 1, as the overal design part, mainly descirbes how to determine which mechanisms with what metal structures shall be used and illustrates how to design its boom structure and balancing system, including point search, calculation and check ; chapter 2 introduces how to design the crane ' s running gear, including model selection, wheel pressure calculation and overall stability check ; and chapter 3 deals with model selection of its lifting mechanism and related calculations

    說明書詳細的介紹了該型號起重機的總體設計及行走機構設計和計算過程，總共分為三章：第一章為起重機總體設計部分，主要內容是起重機各機構和金屬結構型式的確定，並用作圖法對臂架結構和平衡系統進行設計，包括了機構找點，驗算及校核；第二部分是運行機構的設計計算，包括了運行機構的選型，輪壓計算，整機穩定性校核；第三部分為起升機構的傳動方案選型和設計計算。
  7. The thesis mainly contains : we analyze the brush seal ' s structure. based on the reasonable assumption, a new three - dimensional fea ( finite element analysis ) model is put forward in contact pressure calculation of brush seals

    論文的主要內容包括：分析了刷式密封的結構特點，在對其中一些因素進行了合理簡化的前提下，提出了一種新的針對刷式密封接觸壓強的三維有限元計算模型。
  8. A simplified set of equations for analysis of the filling. finite difference methods are used for the pressure calculation. advancement of flow f ront uses a control volume approachand dynamic simulation of the moldfilling process is achieved. other is wetting out process which is the most critical stage in rtm. this stage is a typical porous media flow problem

    從粘性流體力學的質量和動量方程出發，建立了描述充模流動過程的數學模型，利用有限差分法求解壓力方程，並利用控制體積法跟蹤流體前沿；第二部分是充模流動的主體部分，屬于典型的多孔介質的流動問題。
  9. The application of compensation method in the definite integrate on the liquid pressure calculation

    補形法在定積分計算液體壓力中的應用
  10. Based on the known theoretical research at home and abroad, common theories of earth pressure and their adaptabilities are discussed in this paper, and emphases are put on the methods of earth pressure calculation and checking of strength and stability for retaining walls with balancing platform, especially under the condition of cohesive filling soil and over loading

    本文基於國內外擋土墻土壓力理論研究現狀，對常用土壓力理論及其適應性等進行了論述，重點分析與探討了衡重式擋土墻的土壓力計算方法，特別是對其上、下墻背、墻后填土為粘性土及存在超載等情況下的土壓力計算、墻身強度與穩定驗算方法等進行了研究。
  11. That is, the partially penetrating sand drain ground is viewed as the double - layered ground, and its consolidation is analyzed with 1 - d consolidation theory, through the transformation from 3 - d consolidation to 1 - d consolidation in the region of sand drain. this can overcome the disadvantage that the excess pore water is discontinuous between the region of sand drain and under - lying soft layer. to the double - layered ground, based on the consolidation mechanism under surcharge, the excess pore water pressure calculation formula is deduced under the condition of multilevel equably loading or unloading, which perfects the consolidation theory

    然後，在充分考慮豎井區井阻、塗抹作用以及土體結構損傷破壞對固結影響的基礎上，將未打穿豎井地基合理地轉化為雙層地基，按一維固結理論計算，克服了傳統固結計算方法在豎井處理區與下臥層交界面處存在孔壓間斷的缺點；在此基礎上，從超載預壓法的基本原理出發，分析了雙層地基超載預壓固結、沉降機理，推導了多級等速加、卸載情況下雙層地基的固結計算公式，進一步完善了雙層地基固結理論。
  12. Methods of testing plastics - thermoplastics pipes, fittings and valves - thermoplastics pipes for the transport of liquids under pressure - calculation of head losses

    塑料試驗方法.第11部分:熱塑性塑料管接頭和閥門.試驗方法1121h :非承壓液體輸送熱塑性塑料管.管頭損失計算
  13. Aiming at the existed problems of higher investment and running costs in some projects resulting from not considering the influence of natural ventilation on selection of ventilation equipments, introduces a new method of wind pressure calculation by developing an analytic building model

    摘要針對某些工程中未考慮自然通風時通風設備選擇的影響而造成初投資偏大、運行費用偏高的問題，通過建立建築分析模型引入了一種計算風壓的方法。
  14. Ulteriorly, considering the local head loss in inlet opening and pipes junction plays more important role in the calculative results of water hammer pressure calculation of the short pipeline system

    考慮進口及多管道連接處的局部水頭損失對短管道系統水擊壓強的計算結果影響較大。
  15. Earth pressure calculation considering soil - water jointly on excavation

    基坑工程的水土壓力混合演算法
  16. Probe into earth pressure calculation and structure optimization of pile - anchor support for deep foundation pit

    深基坑樁錨支護土壓力計算及結構優化探討
  17. However, the routine design is characterized by vast and repeated calculation, and difficult in finding an economic and sound design. and the existing cad programs are mostly limited to earth pressure calculation and design of gravity retaining wall

    但其常規設計計算量大、重復勞動且難以得到經濟合理的設計方案，而現有擋土墻優化輔助設計程序多局限於土壓力及重力式擋土墻的計算。
  18. The usual methods for earth pressure calculation are summarized. this paper brings forward a displacement earth pressure model. that is the lateral earth pressure on the supporting structure change with the variation of the supporting structure ’ s displacement

    本文研究的主要內容如下: 1 、對常用土壓力理論進行綜述后，提出一種位移土壓力模型，即作用於支擋結構前後土壓力的大小隨著支擋結構的變形而變化。
  19. Because of the merit of continuity, economical efficiency, reliability and high resolution, the well logging has shown its advantages, especially in some drilling engineering problem, such as the prediction of rock drillability, selecting the drill bit types, prediction of formation pressure, calculation the in - situ stress, evaluating the borehole walls stability and determining the reasonable mud density, and etc. aiming at the engineering accidents, for example the well spout, well leak, well collapse and the drill blocking during the drill engineering in the t formation in north - east of sichuan, some farther studies of formation pressure in feixianguan from well - logging information are presented in this dissertation

    尤其是在巖石可鉆性預測與鉆頭選型、地層壓力預報、地應力計算以及井壁穩定性評價、泥漿密度安全窗確定等鉆井工程問題上。測井技術由於連續性、經濟性、可靠性及解析度高等特點，越來越多地顯示了其優越性。本文針對川東北部三疊系地層在鉆井過程中遇到的井噴、井漏、井塌和卡鉆等工程事故，主要對飛仙關組地層壓力的測井解釋方法作了大量的深入研究工作。
  20. The paper consist of three parts as follows : 1. the method to calculate formation pressure : the method to calculate formation pressure in this paper is based on the equivalent depth technique, and it extract log characteristic parameters based on log ' s auto - separating and the lithology recognition. the automatization and precision of formation pressure calculation are upgraded

    地層壓力計算技術：以等效深度法為基本原理，輔以測井曲線自動分段和巖性識別基礎上的測井特徵參數提取，建立了本論文所採用的地層壓力計算技術，提高了地層壓力計算的自動化程度和計算精度。
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