tunnel simulation 中文意思是什麼

tunnel simulation 解釋
風洞中模擬
  • tunnel : n 隧道；地道；坑道；管道，煙道，風洞；【礦物】石巷，平峒。 tunnel warfare 地道戰。vt （〈英國〉 l...
  • simulation : n. 假裝；模擬；裝病，裝瘋；【生物學】擬態，擬色。
  1. Liu lian - you, wang jianhua, li xiaoyan, liu yuzhang, ta wanquan & peng haimei. 1998. determination of the erodible particles on cultivated soils by wind tunnel simulation. chinese science bulletin, 43 ( 19 ) : 1646 51

    劉連友，王建華，李小雁，劉玉璋，拓萬權，彭海梅. 1998 .土壤可蝕性顆粒的風洞模擬測定.科學通報， 43 （ 15 ） : 1663 1666
  2. Based on the fromer study of mine tectonic, hydrology, tunnel deformation, etc., 3 - d numerical simulation of current tectonic stress field of lvjiatuo coal mine was done in this thesis, combining with local hypocenter mechanism solve and relational stress in - situ measuring value regression analysis has been done to the simulation result, and the reasonable results are gained those will offer dependence for disposing the tunnels more rational and making tunnel supporting more economical and safer

    摘要本文在前人對呂家坨礦進行礦井構造、水文地質、巷道變形等研究的基礎上，結合該地區的震源機制解及有關的應力實測值，對礦區現今構造應力場進行了三維數值模擬，並對模擬結果進行了線性回歸分析，得到了與現實較為符合的結論，為更合理的巷道布置和更經濟而安全的巷道支護提供依據。
  3. This paper adopts linear interpolation to deal with data of wind tunnel experiment for sample uav and realizes modeling and simulation of the sample uav with c language in common aerodynamics and moment coefficient

    本文採用線性插值處理樣例無人機風洞試驗數據，採用正常情況下的氣動力及力矩系數數學模型，並用c語言實現樣例無人機建模與模擬。
  4. Three dimensional numerical simulation of the bi - tunnel spillway flow

    雙洞式溢洪洞三維流動的數值模擬
  5. Simulation of limit displacements for tunnel upper bench

    隧道上臺階極限位移計算模擬
  6. Wind tunnel simulation ; wind pressure ; flow visualization

    風洞模擬風荷載流動顯示
  7. A slot was cut in the back plate of the double - foil shield to improve the flow field with air diversion method. the flow field and droplets trajectory near the shield are simulated in wind tunnel by fluent software to analyze the wake flow affecting the spray drift. from simulation, the improved shield spray in reducing drift is better than double - foil shield spray and conventional spray in six types of wind velocity

    本文採用導流法在雙圓弧罩蓋上開口，利用fluent模擬分析和比較罩蓋噴霧流場，並模擬該流場下的霧滴運動軌跡來分析霧滴的飄失性，模擬結果表明：結構改進后的罩蓋噴霧流場得到改善，其減少霧滴飄失的效果好於原罩蓋，更優于常規無罩蓋噴霧。
  8. It is indicated that the grids generated by the proposed method are simple, high quality and suitable for different building shapes, and the results of numerical simulation agree well those of the wind tunnel test

    網格剖分和數值模擬結果表明，採用本文方法生成的網格格式簡單，網格質量高，適應性強，適用於多種體型建築物的模擬計算，並且風場模擬結果與風洞試驗結果有較好的吻合。
  9. 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 。
  10. Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available

    採用本文將隧道內的氣流看成是理想流體的一維恆定流動，通過對二郎山特長公路隧道半橫向通風系統建立隧道內的空氣動力學模型，利用計算機進行數值分析與計算，得出發生火災時，不同通風阻力條件下隧道中的風速分佈及流量分佈，並通過實驗室隧道模型實驗進行驗證與修正，依據研究結果給出了二郎山半橫向通風隧道的火災控制方案，從而解決了二郎山公路隧道通風對火災的控制問題，同時為半橫向通風公路隧道的火災通風提供科學的方法。
  11. By using mathematical model and computer simulation, the results are obtained from simulating the quantitative influence of 9 important factors on the heat consumption of ceramic fuel fired tunnel kilns

    利用陶瓷燃料隧道窯熱耗數學模型及計算機模擬方法，得出了9種重要因素對熱耗定量影響的模擬結果，並對模擬結果進行了分析。
  12. Abstract : by using mathematical model and computer simulation, the results are obtained from simulating the quantitative influence of 9 important factors on the heat consumption of ceramic fuel fired tunnel kilns

    文摘:利用陶瓷燃料隧道窯熱耗數學模型及計算機模擬方法，得出了9種重要因素對熱耗定量影響的模擬結果，並對模擬結果進行了分析。
  13. In order to achieve the optimized tunneling approach, first, tunneling procedures, shift length, horizontal jet grouting length, bench length and space length between c and d part of crd method are optimized ; on the basis of these results, two kinds of tunneling schemes are calculated with three - dimensional fem and the optimized tunneling scheme is achieved. as results of the optimized scheme, the conclusion is made that the gas pipe above the tunnel of sk3 + 355 section is secure. the calculation results are verified through comparison of numerical simulation results and site - monitoring measurement data

    為得出適合本段工程的最佳施工路線，利用大型有限元通用軟體ansys對開挖順序、開挖進尺、水平旋噴長度、臺階長度及crd工法施工的c 、 d部相錯長度進行了有限元數值模擬和優化分析，並利用這些分析結果，進行了兩個施工方案的三維有限元動態施工模擬，得出了較優的施工方案，並利用施工后的地表沉降槽曲線，對sk3 + 355斷面處隧道上方的煤氣管線的安全性進行了分析，得出了利用此施工方案施工不會造成此處煤氣管線破壞的結論。
  14. At the same time, mining engineering that is a special work that digs for a tunnel relates to the body of the mountain and the mineral resources which are all irregular 3d solid. so, it is hard to use the traditional design making visualization and computer simulation for mining engineering

    同時，采礦工程是一種在山體空間進行的巖土開挖工程，該工程涉及的山體、礦藏均為不規則的三維實體，傳統的工程設計很難實現采礦工程的可視化和計算機模擬。
  15. The main purpose of this study is to simulation a random fluctuation of wind velocity fitted to specified power spectrum in low frequency range in our wind tunnel

    本文研究的目的是在風洞中模擬風速隨機波動的陣風，這個基礎性工作對于開展風洞中的其它研究有著重要意義。
  16. Simulation study of excavation process of shallow embedded tunnel for metro

    淺埋暗挖地鐵隧道開挖過程的模擬研究
  17. Study on numerical simulation of excavation process in hanjialing large span tunnel

    韓家嶺大跨度隧道開挖過程數值模擬研究
  18. Numeric simulation of xiefeng mountain tunnel ventilation

    雪峰山隧道通風數值模擬研究
  19. Secondly, in view of the limitation and shortage of traditional simulation of finite element approaches for bolt, a new composite grouted bolt element including nonlinear contacting relation will be built based on the above study of the mechanics mechanism of fully grouted bolt. then, an elastic - plastic finite element program will be developed for the analyses of tunnel stability, in which the composite grouted bolt element and nonlinear finite element analysis method will be used ; the patterns and the affect of main design parameters on the support effect of bolt will be analysed using the program, and conclusions of guidance importance for tunnel support design will be drawn. finally, simulation compution for the excavation and support of a highway tunnel will be made out using the above production, and the method of application of the program will be discussed ; analysis of the deformation, stress and distribution of plastic range will be done, and rational support plan will be worked out, which is of guidance importance for tunnel support design and the thery and technique of fully grouted bolt used in tunneling will be perfected further

    首先，本文在綜合分析隧道穩定性影響因素及失穩破壞模式的基礎上，對全長粘結式砂漿錨桿作用力學機理進行了深入研究，為全長粘結式砂漿錨桿的有限元模擬分析奠定了基礎;其次，針對傳統錨桿有限元模擬方法的局限性與不足，在上述全長粘結式砂漿錨桿作用力學機理研究基礎上，建立出能反映界面非線性粘結的新型復合砂漿錨桿有限單元模型;然後，運用上述復合砂漿錨桿單元模型，引進非線性有限元分析手段，開發了隧道支護穩定性分析的有限元程序，並就全長粘結式砂漿錨桿的型式與設計參數對支護效果的影響進行了深入探討，得到了對隧道支護設計具有指導意義的結論;最後，運用本文研究成果對某公路隧道工程實例進行了開挖與支護的模擬計算，探討了其應用方法，並就隧道變形與應力及塑性區分佈規律進行了分析，從而提出了合理的支護方案，為隧道支護設計提供了參考依據，完善了隧道全長粘結式砂漿錨桿支護的理論與方法。
  20. Numerical simulation analysis on ventilation during fire in zhongnanshan extra - long highway tunnel

    終南山特長公路隧道火災通風數值模擬分析
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