水力模擬測定 的英文怎麼說
中文拼音 [shuǐlìmónǐcèdìng]
水力模擬測定
英文
hydraulic analogy determination- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 擬 : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 水力 : waterpower; hydraulic power水力剝離 [采礦工程] hydraulic stripping; strip with water; 水力采礦 hy...
- 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
- 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
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And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案,統一了計算加速度干擾的時間統計間隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful
綜合分析認為: ( 1 ) 、這次冷渦在其發生發展過程中,其移動路徑是沿經圈直線南壓,攜帶的冷空氣勢力較強,形成槽后較強的垂直運動; ( 2 ) 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急流軸,把源源不斷的西南暖濕氣流輸送到遼西地區,也就是急流軸的左前方位置,為這次暴雨的產生提供了充足的水汽來源; ( 3 ) 、低空急流不但為暴雨輸送水汽,其造成的較強的垂直環流也是產生強降水的一個主要原因; ( 4 ) 、 mm5模式以四維同化資料作為初始場,最大限度地避免了觀測誤差可能造成的積分不穩定,提高了模擬結果的參考價值。It is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level
在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗,不僅能模擬正常生理條件下左心室的壓力波形,還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體,特別適用於器官水平上觀察機械電反饋現象並探討其機制Abstract : it is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level
文摘:在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗,不僅能模擬正常生理條件下左心室的壓力波形,還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體,特別適用於器官水平上觀察機械電反饋現象並探討其機制Through direct pullout test, we examine the effect of the water to cement ratio, contend of steel fiber and silica fume on the bond behavior ; compare the bond behavior of two types of cfrp bars with difference surface treatment ( r1 bars and g1 bars ), and reprocess the one of inferior bond strength ; investigate the bond stress distribution along the bond length of cfrp bars, and assess the adequacy of some exist analytical models of bond - slip behavior to reproduce the experimental bond behavior
本文主要通過直接拉拔試驗,考察水膠比、鋼纖維摻量、硅灰摻量以及cfrp筋的表面處理類型等材料參數對粘結性能的影響,並對粘結效果較差的cfrp筋研究了表面處理方法,以提高cfrp筋與rpc的粘結性能;通過在cfrp筋表面粘貼應變片,測定了粘結應力沿cfrp筋埋長的分佈情況,並對現有的粘結滑移本構模型與試驗結果的擬合效果進行了比較。Moreover, there are drawbacks like difficulties in stimulation, complexity of calculation and heavy work in all these models because of many other factors. for example, the complexity of the dam structure, difficulties in measuring the physical and mechanical parameters of building materials and subgrade soil, stimulating the geologic structure of subgrade, predicting effects of loads, construction and environment on the dam and so on
此外,由於大壩結構復雜,建築材料和地基巖土的物理力學指標難以測定,復雜地基的地質構造還很難模擬,荷載、施工及環境因素對水工建築物的影響還很難準確預測,應用各種模型都存在著模擬困難、計算復雜、工作量大等不足。Obtain these chief research achievements. ( 1 ) the method of hydraulic fracturing, kaiser effect experiment and the finite element numerical simulation computation results, the direction of maximum horizontal principal stress intersect the small - angle of tunnel axial line, it is favorable to the stability of tunnel peripheral rock ; according to the test rust of field stress - relief method, at the present time, zhe gu mount tunnel have n ' t access to high crustal stress site, maximum principal stress magnitude is 17mpa ~ 20mpa
主要獲得以下研究成果: ( 1 )綜合水壓致裂法、室內巖石kaiser效應試驗和有限元數值模擬計算研究成果,最大水平主應力方向與隧道洞軸線小角度相交,對隧道圍巖穩定性有利;根據現場應力解除法測試結果,目前鷓鴣山隧道尚未進入高地應力段,最大主應力量級為17mpa 20mpa 。Abstract : a dispersion test is carried out in field in order to get the dispersion parameters of the shallow aquifer. fem model is used to simulate the dispersion process in the test area
文摘:通過現場彌散試驗測定淺層含水層的水動力彌散參數,用有限分析法模型模擬彌散試驗場,為建立濱州市淺層地下水溶質運移模型提供依據。Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ
本文結合巖灘水電站廠房振動的試驗研究,採用非定常湍流數值分析的大渦模擬方法進行混流機組水力振動振源模擬;提出一種水電站廠房下部結構簡諧振動模型,首次進行了發電機層樓板結構的精確模態分析和水力激振荷載下的動力響應分析,各項計算結果與實測數據吻合良好。Based on this, the upper controlling index of soil water content is 80. 4 % and the days of waterlogged and salinization tolerance is 3. 2 days. the moisture and salinization movement mathematical model in the field under subdrainage condition is based on the assumption of neglecting the effects of horizontal hydraulic gradient, it can analogy the changes of soil water content and salinization which are changed with times and depth
論文在忽略水平方向水力梯度影響的假定下建立了排水條件下麥田水鹽運移模型,模擬土壤水鹽含量隨時間、空間的變化情況。經與實測資料對比發現,計算值與實測值較為接近,故該模型及參數的確定是合理的,可用於預測麥田水鹽的動態變化。The thesis was written under the direction of dynamic theory of forming reservoir, follows the rules of comprehensive information, judgment, interpretation and assessment and even makes full use of outcrop geology, data from drilling and logging, data from laboratory analysis and achievements in geophysical exploration. considering the basic factors of forming reservoir in the south of ordos basin as the starting point, the thesis defines that yanchang group of triassic goes into the start of generating oil in the late period of mid - jurassic and that the largest oil generation peaks in the middle period of early cretaceous, after the analogue - history of hydrocarbon generation. meanwhile it also establishes the relationship between the evolution of oil and gas and the formation of traps, the time of oil exploration
本文以成藏動力學理論為指導,本著綜合信息、綜合判斷、綜合解釋、綜合評價的原則,充分利用露頭地質,鉆測井資料,實驗分析資料及物化探成果,以鄂爾多斯盆地南部的基本成藏要素為出發點,通過生烴史模擬,確定了三疊系延長組在中侏羅晚期( 150ma )進入生油門限,于早白堊世中期達到最大生油高峰期;同時並確立了油氣演化與圈閉形成、捕油時間的關系;通過流體勢的全區計算,提出了該區油勢具有明顯的「雙層」結構特徵,並建立了以靜水壓力為主的重力流系統和以差異壓實作用為主的壓實流系統的流體動力分佈模型;通過成藏動力學系統的劃分及事件分析,探討了該地區油氣聚集規律,最終指出了有利的含油氣遠景區。As to the tunnels of jinping hydroelectric power station in sicuan province, the thesis discusses how to reasonably consider the initial stress field when designing a large - scale tunnel with high initial stress and deep buried. first, by analyzing of the rock lab tests and discusses the feature of regional geomorphology. explains the production of initial stress field, analyze the initial stress of jinping hydroelectric power station ; second, using the fem, the paper creates the real model of region. according to the results of stress measurement point, by combining of ann and fem to decide the boundary condition, the paper calculates the initial stress field ; at last, the paper analyzes the influence of the initial stress field formed from different condition on the deformation and stress of the surrounding rock, and the main factor to influence the initial stress. on the basis of the former work, the author proposes some proposals, which will be helpful for studying and designing of the similar undergroun d engineering
首先從巖體的應力?變形的特性入手,並結合工程區域的地形地貌特徵,對巖體初始地應力場的形成做出解釋,結合錦屏水電站初始地應力的現狀提出了將地應力場進行分帶;然後建立整個工程區的實體模型,在地質分析的基礎上,以工程區右半部分為代表,參照實測點的初始地應力值,採用了神經網路與有限元相結合的方法反演了該區域的初始地應力場;最後模擬隧洞的開挖,通過計算比較分析了初始地應力場對處于不同應力帶內的隧洞圍巖穩定性的影響,在此基礎上提出了作者的建議,力圖為該類工程的研究設計工作提供有益的幫助。The paper introduces large - scale fem software, algor, by which the auther can build model of hanging box of high pile cap, and simulates accurately three loadcases, which include loadcase behind enclosed concrete, loadcase behind empty water in hanging box, and loadcase behind high pile cap construction. the auther calculates tensor and displacement of hanging box weir when loads exert panels, supports, suspenders, top beams, base beams of hanging box weir. at the same time the auther carrys out th e stability analysis, besides, educes calculational and analytical data, which are tally with construction result in the main
論文介紹大型通用有限元計算軟體algor ,並用軟體建立大遼河特大橋高樁承臺吊箱圍堰的全結構模型,相對準確地模擬灌注封底混凝土后、抽除吊箱內河水后、承臺破冰體施工后等三種受力工況,並用模型進行了應力和變形的計算,計算各工況荷載作用於吊箱全結構箱體板面、內支撐、吊桿、懸吊頂梁、底梁等的應力和變形,並對比吊箱圍堰板面計算變形和施工實測變形,結果是吻合的;對大遼河特大橋高樁承臺輕型吊箱的穩定性進行了計算分析;論文研究工作表明,應用組合有限元方法計算大型施工結構問題具有現實意義。Last, adjusted policy and extrapolated competitiveness indexes data are tested to analyze the potential of fujian province to fo recast when the science and technology competitiveness of fujian province can catch up with other provinces which have high level of competitiveness. from above analysis, we can analyze the superiority and inferiority and search the developing direction of science and technology of fujian province
最後通過政策調整和科技競爭力指標數據外推,對福建省科技競爭力進行政策模擬和科技競爭潛力分析,預測福建省科技競爭按現有趨勢發展,加之對政策變量的調整情況下,其科技競爭力何時能趕上科技競爭力水平較高的地區,由此正確分析福建省科技發展中的優勢和劣勢,確定科技發展方向。According to the analyses of the research results about the feasibility of 4 - d seismic and the successful 4 - d seismic cases of foreign companies, the author put forward the suggestions for 4 - d seismic pilot area selection ; briefly analyzed the influential function of producing way on the seismic response ; utilized theory calculation, coring data analyses, and reservoir numerical simulation to define the fluid substitution effects on the p - wave velocity. through long time water driven to the reservoir, some of the properties and the log curves have changed, the author tried to find the variation rule of the reservoir and its effects on seismic velocity. the " blind point " in 4 - d seismic feasibility study both in china and overseas was found, that is the lack of consideration of the influence of physical property variation by long time water driven on the seismic response
在深入分析國外四維地震可行性研究成果和成功實例的基礎上,提出了有利於水驅四維地震成功的工區優選條件;簡要剖析了各種開采方式及其對地震特性的影響;利用理論計算、巖心分析、油藏數值模擬三種方法確定了流體替代對縱波速度的影響;通過對長期水驅造成的物性參數、測井曲線以及油藏溫度和壓力變化規律的總結,分析了這些變化對地震速度的影響,指出了目前國內外水驅四維地震可行性研究中存在的盲區?沒有充分考慮長期注水造成的物性、溫度和壓力變化對地震響應的影響,完善了水驅四維地震可行性研究的內容;在考慮了這些變化因素后,高29斷塊水驅四維地震可行性研究結果表明:四維地震監測注水前沿可能要比監測油藏變化容易的多;以四維地震巖石物理可行性研究結果為基礎,提出了五個有助於突出四維地震造成的微小差異的途徑,為今後水驅四維地震研究指明了方向。The basic physical and mechanical properties, mineral composition, micro structures, swelling potential, consolidated drained triaxial shear strength, parameters of constitutive model and residual strength of the soft clayey rocks were tested in laboratory with a large number of natural samples. the changing trend of the strength about these rocks is obtained by modeling the condition of softening due to immersion. from the principles of modern soil mechanics, the structural and swelling characteristics of soft clayey rocks were analyzed systematically
本文通過現場調查,查明風化泥質軟巖的宏觀結構特徵,利用現代試驗測試手段,取原狀土系統進行特殊土室內土工試驗,測定土的基本物理力學特性、礦物成分及微觀結構、膨脹性、三軸排水剪強度及本構模型參數、軟化殘余強度,並模擬土體在長期浸水軟化后的強度變化趨勢,測試該類土的浸水軟化殘余強度。The evaporation of some oils and their emulsifies was modeled with pan evaporation method, and the characteristics of the evaporation in different states was inspected. the equations of evaporation rate and the factors of inhibitory action of emulsification on evaporation have been obtained. the dynamics mechanism of emulsification has been discussed based on the observation and analysis of the characteristics of oil and water motion
本文主要是從目前研究的薄弱環節作為研究突破口,用淺盤蒸發法對原油及其乳化物的蒸發進行模擬,考察不同原油在不同階段和乳化狀態下的蒸發特徵,得出蒸發速率方程及乳化對蒸發抑制作用因子;觀測和分析油水運動規律,分析乳化動力學過程;以組成和狀態是決定風化特徵的主要因素和聯系各風化過程的紐帶這一思想為基礎建立溢油風化預測模型。An artificial neural network ( ann ) model was developed and used in different water bodies to predict timing for environmental changes as well as for the dynamics of resources. the results show that the ann model is superior to classical statistical models ( csm ) and can be used as predictive tool for highly non - linear phenomena
用人工神經網路方法對不同水域、不同環境因子之間非線性和不確定性的復雜關系進行學習訓練並預測檢驗,結果表明:人工神經網路方法在模擬和預測方面均優于傳統的統計回歸模型,在資源與環境方面的應用是可行的,具有較強的模擬預測能力。In the doctoral dissertation, thorough studies on determination of unsaturated hydraulic parameters of fracture through experiment and numerical simulation, mechanisms of unsaturated seepage flow in fracture, analysis of saturated - unsaturated seepage flow in fractured rock mass due to surface infiltration and influence of surface infiltration to the stability of rock slope are made. and the above mentioned research achievements are applied to the analysis of real large - scale project
本文就單裂隙非飽和水力參數的試驗測定和數值模擬確定、單裂隙非飽和滲流的機理、有地表入滲的裂隙巖體飽和非飽和滲流分析以及地表入滲對巖坡穩定性的影響等方面展開了較為深入的研究,並將上述研究成果應用於實際大型工程問題的分析中。We can ration analyze and estimate hardware configure chosen in design such as machine tool, the capacity of buffer, the route of transport system etc, and personnel deployment of product line. we can forecast the produce cycle of product, analyze and forecast produce capacity of work - flow, simulate all kinds of predictable or random malfunction, finding bottleneck of system etc. we can also forecast the capability of work - flow under different scheduling strategy
通過對流水線的模擬,我們可以對各種設計方案進行評估,可以定量分析與評價設計中所確定的硬體配置(如機床、緩沖庫容量、運輸系統路徑等)及生產線人員配備情況,預測產品生產周期,分析與預測生產線的生產能力,模擬各種可預見的或隨機的故障,發現系統瓶頸等。分享友人