數值試驗 的英文怎麼說

中文拼音 [shǔzhíshìyàn]
數值試驗 英文
numerical experimentation
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 試 : 名詞（古代占卜用的器具） astrolabe
  • 驗 : 動詞1. （察看; 查考） examine; check; test 2. （產生預期的效果） prove effective; produce the expected result
  • 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
  • 試驗 : trial; experiment; test
  1. Using the 1ap 3 - d hailstorm numerical model, we analyze influence of variation on rainfall amount, hail fallout amount, dynamical process of cloud, microphysical process, mechanism of hail suppression with seeding, and seeding outcome. besides, we use those study outcomes and bring forward some advice about using and improving model. we simulate a hailstorm occurred in nanjing county and analyze influence of raindrop, ice crystal, graupel size distribution on outcome of model

    本文利用中國科學院大氣物理研究所的三維冰雹雲催化數值模式，通過對冰雹雲的模擬和對譜參數的數值試驗結果，分析了冰雹雲中粒子譜形的變化，對雲和降水過程的影響，其中包括雨滴譜、冰晶譜、霰譜的形狀參數對自然雲的發展過程、降雨降雹、雲中微物理過程、霰以及冰雹的形成機制的影響。
  2. The results show that it has no effect on cloud development and cloud structure, when form factors of raindrop, ice crystal, graupel size distribution ( r, i, g ) vary respectively, r variation has a bigger effect on rainfall amount and hail fallout amount, a, variation has a smaller effect on rainfall amount and hail fallout amount

    並利用這些研究結果，對雲模式的使用和改進提出建議。對1988年5月3日發生在南京的冰雹雲個例分別進行了雨滴譜影響的數值試驗、冰晶譜影響的數值試驗、霰譜影響的數值試驗以及雨滴、冰晶、霰譜影響的數值試驗。
  3. Numerical simulations of mountain gravity waves generated by multi - layer flow over an isolated mountain

    三維多層流動過孤立山脈產生的山脈重力波的數值試驗
  4. Hypotaxis stability analysis of seem - continum medium slope

    似連續介質邊坡從屬穩定性的數值試驗研究
  5. Due to the effect of uentrapment of water and air is considered during the generation of water - filled cells, the method presented here can simulate the objective existing hysteresis between drainage and imbibition process, which can " t be reflected by the previous numerical simulation methods

    由於該法在生成裂隙充水域時考慮了水和氣的「圈閉」效應，故能模擬出裂隙排水與吸水過程間客觀存在的滯后現象，這是以往數值試驗法所不能的。
  6. Theoretical analysis and numerical testing results indicate that the mollifier method with its flexibility, stability and practicality, provides a new effective tool for numerically solving inverse problems

    理論分析和數值試驗結果表明：緩鎮法靈活、穩定、實用，為數值求解反問題，提供了一個新的有效的工具。
  7. Theoretical analysis and numer - ical experiments show that bdf method of order two is indeed superior to the commonly used backward euler method and crank - nicolson scheme

    理論分析和數值試驗表明該方法明顯優于以往常用的向後euler法及grank - nicolson格式。
  8. The numerical experiments of aerosol radiative effects

    對大氣氣溶膠的輻射效應的數值試驗
  9. 3. numerical simulations of the flexural process of the trisection specimens of concrete were executed, as well as the influence of configuration of aggregates on computing results was analyzed, by which showed that the method proposed is valid and feasible

    3 .通過全級配混凝土試件三分點彎拉損傷破壞過程的數值試驗，驗證了所編程序的正確性。同時，討論了骨料形態對混凝土動彎拉強度的影響。
  10. A study on quality control of data assimilation of satellite cloud image and its application in rainstorm forecast

    一種融合衛星反演水汽資料的方法在中尺度數值模式中的應用和數值試驗個例
  11. The property shows that the maximal solution is well - conditioned. two new iteration methods for finding the maximal solution are proposed. of these two methods, one is a linearly convergent iteration without matrix inversion, and one is related to newton s method and quadratically convergent

    這2種方法，一種是線性收斂的，其優點是迭代過程不需要求矩陣的逆另一種是二次收斂的，數值試驗的結果表明該方法在計算速度和精度方面都明顯地優于現有的其他幾種迭代方法。
  12. Numerical study of the influence factors of anchorage under tension

    錨桿拉拔力影響因素的數值試驗研究
  13. The main conclusions are remarked as follows : ( a ) the theory formula between the ultimate tensile force and interface cohesive intensity has been established. according to ultimate tensile force from in - site measure, the scientific interface cohesive intensity parameter has been achieved, then, the numerical analysis of the tension - draw test has been made

    主要研究成果： 1 、從理論上建立拉拔試驗中「極限拉拔力」和「界面粘結強度」的關系，再藉助現場實測的極限拉拔荷載，獲取釘土界面的合理粘結強度參數，對拉拔試驗進行數值模擬分析，驗證了模擬模型中界面單元的可靠性和精度，並標定了數值試驗中土釘的破壞模態。
  14. All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering

    主要結論如下： （ 1 ）以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交點位置為指標對軟弱夾層的分佈部進行了分類，並確定了軟弱夾層分佈距離； （ 2 ）根據強度等效和變形等效的原則，引入了軟弱夾層影響帶的概念，建立了模擬軟弱夾層厚度的一種新方法； （ 3 ）總結出了軟弱夾層分佈在拱頂、右拱肩、右邊墻時對地下洞室穩定性影響的量化指標； （ 4 ）分析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標； （ 5 ）總結出了在不同的側壓力系數（ 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 ）地應力場中軟弱夾層對穩定性影響的量化指標； （ 6 ）得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化結果； （ 7 ）根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾點新內容。
  15. According to the idea of column privoting qr method, we bring forward the greedy methods

    數值試驗表明，分而治之方法比枚舉法要大大節省計算時間。
  16. Research on numerical test for solving slagging problem in furnace by using coal powder burner with guide - plate

    導流板式煤粉燃燒器解決爐內結渣的數值試驗
  17. When r, i, g vary with height at the same time, effect on rainfall amount and hail fallout amount are all bigger, especially, hail fallout amount. another hailstorm occurred in xunyi county, shanxi province on july 9. 1999 is also simulated. by contrasting two different hailstorms in nanjing and xunyi county, we analyze the effect of i variation on nature cloud and precipitation, then we analyze the effect of i variation on mechanism of hail suppression with seeding and seeding outcome in two seeding experiments with agl

    模擬了1999年7月9日陜西省旬邑地區的冰雹雲個例，在只改變模式中_ i取值的條件下，對南京、旬邑兩個不同地區的冰雹雲，對比分析了冰晶譜形變化，對雲和降水的影響，最後又分別用agi進行催化數值試驗，來對比研究兩個不同地區雲中冰晶譜形的變化，對催化防雹影響。
  18. The weather analysis and climatic characteristics of the heavy - hard rainfall in this area, structure characteristics during the rainstorm, the mechanism and structure of mesoscale systems bringing rainstorm and etc. are studied by conducting diagnostic analysis, theory of dynamics and numerical simulation. the influence on the rainstorm causing by mesosc ale topography piling on the plateau, the particular valley topography in northeast plateau and complex surface vegetation are researched by numerical experiments

    本論文試圖採用診斷方法、診斷和天氣動力學理論相結合的方法、數值模擬等方法對高原地區大到暴雨的天氣、氣候特徵，暴雨產生時的物理量場特徵、產生暴雨的中尺度系統的發生機理和結構特徵等方面進行研究，對疊加在高原上的中尺度地形、高原東北部特殊的外流河谷地形及復雜下墊面性質對暴雨的可能影響進行數值試驗，以揭示高原暴雨發生發展的物理機制。
  19. In the suspended sediment transport model, the method of shear stress is adopted to determine the source function in the suspended sediment diffusion equation. through a series numerical experiments and statistical analyses of observed field data, a local coefficient, which can reflect the bottom material and consolidation, is introduced into the classic critical erosion velocity of the sediment

    懸沙輸運模型利用切應力方法來確定對流擴散方程中的泥沙源函數，其中的臨界起動速度利用經典的泥沙起動流速公式前面增加一個局地系數得到，這個系數能反映河床底質結構及固結程度，通過系列數值試驗和實測資料的統計分析確定。
  20. Based on the observation data such as coads and soda, the main climatological features of the tropical indian ocean and relationships of sea surface temperature ( sst ), heat budget with ocean dynamics and thermodynamics processes are analyzed ; the seasonal and interannual variability of the tropical indian ocean are well simulated using a ocean general circulation model ; based on the thermal equation and model output data, the variation mechanism of sst and heat budget are investigated in the tropical indian ocean ; besides, the effect of seasonal variation of wind stress, ekman pumping and horizontal diffusivity on the ocean current and heat budget are studied, using both ideal model and complex model

    本文根據coads 、 soda等實際觀測資料，較全面的分析了熱帶印度洋主要的氣候特點，並研究了海表面溫度（ sst ） 、熱收支與海洋動力、熱力過程的聯系；利用全球海洋環流模式較好地模擬出熱帶印度洋的季節和年際變化；基於熱力學方程和海洋環流模式輸出結果，探討了熱帶印度洋sst和北印度洋熱量收支的季節和年際變化機制，進一步揭示了海洋動力過程在北印度洋熱平衡中的重要作用；在此基礎上，利用理想化的數值試驗與數值模擬結果相結合的方式，證實了風應力的季節變化和ekman抽吸，以及水平熱量擴散系數對北印度洋海洋環流和熱收支的影響。
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