試驗前模擬 的英文怎麼說

中文拼音 [shìyànqián]
試驗前模擬 英文
pretest simulation
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • : Ⅰ名詞1 (在正面的) front 2 (次序在先的) first; top 3 (過去的; 較早的) ago; before; preceding...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • 試驗 : trial; experiment; test
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. 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及相關課題的研究工作,本文以截頭錐地基,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、基於彈塑性型的有限單元法計算、土力學計算及深斤載荷四方面進行了深入討論;本文作者根據多年現場載荷的工程實踐,對深井荷裝置的核心部分? ?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。
  2. ( 2 ) based on indoor test, two typical soft rock of brecciated mudstone and siltstone in luohu jiancheng district is carried systemically though interior rheological testing ; moreover combining with preceding studying results of rock rheological constitutive model, rheological numerical constitutive model suited to rock mass mechanics characteristics and stratum structure of luohu fracture zone, and numerical parameters of the model are processed with studying of curve fitting

    ( 2 )立足於室內,對羅湖建成區兩種典型的軟弱巖石?含角礫泥巖和粉砂巖進行系統的室內流變研究,又結合人對巖石流變本構型的研究成果,分析並確定了適合羅湖破碎帶巖體力學特性及地層構造特徵的流變計算本構型,並對該型的計算參數進行了曲線合研究。
  3. We investigate finer time scale statistical properties of this traffic, including burstiness, periodicity, and synchronization. utilizing the data gathered by our simulator, we compared the results with our prediction, after that, we investigated the root cause of a specific networking traffic pattern, under various network configuration and policies. the importance of our work is not only analyzing the cause of each traffic pattern, but also providing a beneficial formal method for future research

    在實結果的分析過程中,我們根據當流行的網路拓撲建立了路由環境,特別針對lsa的突發性、周期性和同步流量的時域特徵進行了觀察,不僅探究了三種重要lsa流量的發生機理以及這些流量的變化對整體路由效率的影響,比對了我們的預測與最終的實結果,深入研究了統計圖表裡各種異常情況的成因和路由協議採用不同演算法和策略以後對整體路由環境的影響。
  4. In the paper, on the basis of research of static state and transient state in the scr and series connection valve circuit, the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor. the series connection valve circuit has been designed and simulated. the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed

    無換向器電動機在火電廠等工礦企業的電機調速節能領域中有十分廣闊的應用景,本文在對晶閘管元件和串聯閥電路的靜態特性和動態特性研究的基礎上,研製了用於交直交電流型高壓無換向器電動機的高壓晶閘管換流閥裝置,進行了串聯閥電路的設計和,完成了電光電方式的觸發脈沖系統和監測系統硬體設計及軟體編程,並進行了裝置的實調
  5. The research of soil degradation in pur country is mainly concentrated on the red earth hilly area in the south in the past, and is less on the loess plateau that is one of the most fragile areas. based on field experiment and laboratory analysis, discuses the degradation mechanism, and raises the methods of refreshing and reestablishing land productivity of huangshan soil in chunhua county of shaanxi. in the hope of serving development of western regions and ecological environment construction that concede the land to forestry ( the grass )

    我國以對土壤退化問題的研究主要集中於南方紅壤丘陵區,對生態環境最脆弱的黃土高原地區的土壤退化研究相對較少,故本文以黃土高原地區陜西淳化縣的侵蝕性黃?土為對象,通過野外人工降雨和室內分析相結合的方法,探討了侵蝕性黃?土的退化機理,提出了恢復和重建黃?土土地生產力的途徑和方法,以期服務于西部大開發和退耕還林(草)的生態環境建設。
  6. In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done

    本文採用理論分析和研究相結合的方法,研究了目應用較多的綜合性大廈? ?框支分區剪力墻高層商住樓的抗震性能及空間精細分析和簡化分析方法,主要內容為以下幾方面:對一建的復雜高層建築結構,採用1 20比例的空間整體型,進行了26種工況下的地震振動臺,觀察了結構的破壞過程和地震反應,分析了結構及構件的抗震性能;建立了結構的精細空間型,利用sap2000n大型有限元分析程序對結構進行了彈性時程分析;通過有限元分析與結果的對比,對結構的抗震性能和抗震能力做出綜合評價,認為該結構由於轉換層上部去掉部分樓板,既可滿足建築設計的通風、採光等要求,又可達到協調結構轉換層上、下樓層抗側剛度的效果,是一種較理想的有多道抗震防線的結構型式。
  7. 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效應和有限元數值計算研究成果,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結果,目鷓鴣山隧道尚未進入高地應力段,最大主應力量級為17mpa 20mpa 。
  8. The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine

    用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌:用xrd進行原料物相分析,及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度;用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性;用xps表徵碳纖維表面、固體潤滑劑摩擦後表面、潤滑轉移膜表面的元素組成、價態變化;用銷盤式摩擦磨損機對固體潤滑劑進行摩擦性能測;採用專用的臺架機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定;用萊次偏光顯微鏡( pm )測固體潤滑劑的硬度;用材料機測固體潤滑劑的抗壓強度等。
  9. The aseismatic behaviors of the two frames are analyzed and compared, with emphases on failure mechanism, hysteretic property, displacement ductility, energy - dissipation capacity as well as stiffness degeneration, etc, to find the influence of steel - fiber concrete to the aseismatic behaviors of the prestressed concrete flat - beam frame structures

    計算機結果和結果的比較發現,在框架的開裂破壞形態、極限承載力等方面基本吻合。該研究成果可為扁梁框架結構體系的設計和有關規范的增補提供依據,具有很好的應用景。
  10. In this article, after point out the basic concept of the dve and the space and time consistency, the research and the performance space and time consistency significance, the artical carries on the introduction and the comparison connected to the domestic and foreign at present the research present situation. in this foundation, the author study related technology about how guarantees the space and time consistency, the unification management of overcoming the space and time inconsistency, first guaranteed the completeness of the technology ofovercoming the space and time inconsistent. then, through to the introduction and the comparison of the present wan simulation technology, the author establishes the simulated environment oneself, passed through to the independent experiment tests, confirms the simulated environment feasibility, the effectiveness. through moves the example procedure in the simulated environment, displays the space and time inconsistency elimination after adds on the unification management, and produces the empirical result. the article finally carries on the summary of the work which did to the present stage, and forecast the following work research direction

    本文在給出分散式虛環境和時空一致性的基本概念,研究表現時空一致性的意義之後,對國內外目相關的研究現狀進行介紹和比較。在此基礎上,作者研究了如何保證時空一致性的相關技術,克服時空不一致的統一管理,首先保證了克服時空不一致技術的完備性,進而,通過對目廣域網技術的介紹和比較,作者建立自己的環境,經過獨立實證了環境的可行性,高效性。通過在環境上運行實常式序,表現出時空不一致在加上統一管理后消除,得出實結果。
  11. By the matlab ' s program and theoretic analysis, the paper computed and simulated the outer performance of the front and rear shock absorbers in the xiali automobile and the ford / iveco damper, and compared the theoretical values with the test results

    文章通過理論分析和matlab計算所得出的夏利汽車、后減振器和ford iveco減振器的速度特性曲線和示功圖,與其結果基本吻合。它表明,理論計算結果是可信的,所建立的數學型是正確的。
  12. Under these approaches, the 1if e of the lower flange connection region between a rib 6 and rib 8 of the front bar of some aircraft are estimated and the fatigue life of simulator of the connection region is experimentally tested and the estimation results and the experimental results are compared

    通過用這些壽命估算方法對某型飛機墻6 8肋段下緣條連接區進行壽命估算與該段連接區件進行疲勞結果分別進行了分析比較。
  13. There are several aspects of work that was done in this thesis mainly. firstly, the theory of the under - water long - range remote control system was analyzed and the remote control instruction code was designed. secondly, decoding circuit of the under - water long - range remote control system was designed with fpga, including vhdl coding, simulation, synthesis, place & route, etc. besides, power consumption to fpga that is designed is estimated in this thesis. lastly, we designed and made one pcb to verify and test fpga decoding chip that is designed, and debugged and tested it finally

    首先,深入研究和分析了在頻域實現水下遠程遙控解碼的原理並進行了遙控指令編碼設計;其次,用altera公司的cyclone系列fpga晶元完成了水下遠程遙控fpga解碼晶元的設計工作,包括硬體描述語言( vhdl )編碼、電路、綜合和布局布線工作,並對設計的fpga解碼晶元進行了初步的功耗估算;最後設計製作了一塊fpga解碼晶元電路證測板,並完成了電路調和測
  14. Both an initial test and a final test can be given in order to measure your employee ' s

    外教在培訓安排一對一的課,在培訓結束后進行一次練習以檢學員的掌握情況。
  15. A transparent model is used to make the deflection jet board grounded on the inhere enlarged dimensions. the finished experiments are conducted to catch the flow rate directions and the situation of cavitation using a high - speed video cameras. in this paper, the finite element analysis and visualiation research of servo valve prestage jet flow field are carried out, which establish the theoretical foundation for mathematical model of servo valve prestage and the whole mathematical model of hydraulic servo valve

    在對射流置級驅動的伺服閥射流流場數值的基礎上,用有機玻璃在偏導射流板原始尺寸的基礎上進行了擴大,製作了透明的偏導射流板,運用高速攝像機、液壓泵站等組成了可視化實系統,對射流流場的流速方向、渦流、氣穴等現象進行了多方位的觀測,並通過對接收管接收壓力的測,對流場分析結果進行了證。
  16. To obtain the prior distributions of parameters by bootstrap, i proposed the integrated sampling method to generate bootstrap samples. the method simulates a markov chain to describe the state changing procedure based on the failure time sampled by monte carlo method. and the posterior distributions of parameters are obtained by markov chain monte carlo ( mcmc ) method

    為了應用自助方法確定參數分佈,提出了運行故障時間和狀態的綜合抽樣方法生成自助樣本,該方法基於數據用蒙特卡洛方法對故障時間進行抽樣,在故障時間抽樣值的基礎上,馬爾可夫鏈表示系統狀態變化過程。
  17. However, the forecast ability of the mathematical model is restricted since it is difficult to consist of the closed equations in a large amount of flow problems in hydraulic engineering the synthetic model, which combines the experimental and numerical simulation, is normally used for these complicated problems the results are satisfied in hydraulic engineering

    但由於水利工程中相當數量要研究的水流過程還不能組成封閉的方程組,因而使得數學型的預報能力受到限制。目,在許多情況下,常採用和數值相結合的復合型方法解決復雜的工程問題,並能獲得比較滿意的結果。
  18. Using data - collecting system developed by ourselves and controlling different parameters, the author monitors the phenomenon of transient boiling and measures the temperature signal. in order to verify the experimental results, numerical simulation of the steady temperature field is carried out before the transient experiment

    利用自行開發的數據採集程序系統對瞬態沸騰現象進行監控和溫度信號的測量;並對瞬態的穩態溫度場進行了數值,通過與穩態數值的比較,來證實件的溫度場分佈。
  19. In earlier experiments, designed to replicate normal learning, dr tononi found that the part of the brain showing most slow - wave activity during sleep was the same as the part that had been activated during the experiment

    在先正常的學習過程的中,托諾尼博士發現大腦中在睡眠時慢波最活躍的部分正是在中被激活的部分。
  20. To determine whether the system satisfies the frequently - response, we have done a lot of works of computation, test and simulation discussion

    作者設計的這套系統採用氣壓控制方式,為了確保系統滿足響應頻率要求,期作了大量的計算、研究。
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