computational technique 中文意思是什麼

computational technique 解釋
計演算法
  • computational : adj. 計算的。
  • technique : n. 1. （專門）技術；（藝術上的）技巧，技能。2. 手法〈如畫法，演奏法等〉。3. 方法。
  1. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本無振蕩（ weno ）格式及其在雙曲守恆律方程中的應用，在此基礎上作了兩個方面的工作：一是針對高頻聲波問題構造出一種基於保色散關系（ drp ）的weno有限差分格式，並對計算氣動聲學（ caa ）問題的代表性算例進行了大量數值實驗，比較了該格式捕捉波數的能力；另外，針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題，研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法，並且給出有代表性的密度滑移面問題的算例，得到一致高階精度的數值模擬結果。
  2. Results show that the aspects are obviously improved in the requires of functional qualities, computational accuracy, convengence and computational speed of algorithms. by this, the new technique of variational data assimilation maybe has wilder application in practice

    所得結論表明，與傳統的四維變分同化方法相比，本文提出的方法在函數性態要求、計算精度、演算法收斂性和計算速度方面有了明顯改善，使得變分同化技術有可能更廣泛地應用於實際業務。
  3. This dissertation mainly researches the displaced phase center antenna ( dpca ) technique in the new system, and the contributions are calculated as following : 1. the doppler history is analyzed for the spaceborne bistatic sar, doppler center frequency and doppler fm rate computational methods are studied. summing up is done for the methods of moving target detection and imaging

    本文完成的主要工作有: 1 .分析慢速運動目標信號特徵以及運動目標對sar成像的影響（多普勒中心頻率，多普勒斜率以及距離徙動誤差） ，總結了目前sar運動目標檢測與成像的主要方法。
  4. The key items influent on the characteristics of spraying have been also studied in the dissertation, we can get a good spraying result by adjusting the related parameters efficiently. ( 3 ) the theoretical model of the dynamical parameters such as temperature, moisture, pressure and contour for hot medium and particle inside the drying chamber were obtained by model, utilized the computational fluid dynamics technique to solve the problem between spraying droplets medium by arranging the double grid dispersing structure and rotary outlet structure and the developed structure improved the drying efficiency and product quality

    （ 3 ）採用-模型實現了壓力噴霧乾燥塔的溫度場、濕度場、流場的理論建模，利用計算流體力學（ cfd ）技術來解決噴霧乾燥過程中熱介質與霧滴間的傳熱傳質以及動量傳遞和湍流擾動等問題，避免了乾燥過程中的設計不合理狀況；通過增加雙格柵均風裝置和旋轉出風裝置，改善了乾燥塔內的熱質傳遞，提高了乾燥塔的體積蒸發強度。
  5. In this paper, in order to improve the design ' s level of supply hot pipes network in our country, a cad software of supply hot pipes network based on the autocad2000 which is used as software platform is developed. the software is applied cad technology, modern design theory and computational technique

    為了提高勘察設計領域中供熱管網設計的效率和質量，本文論述了通過綜合應用cad技術、現代設計理論，以autocad2000為平臺，研究開發一個供熱管網cad系統及其相關的優化計算方法。
  6. Now the two issues we are confronted with are : first, a reasonable regularization technique is required to overcome the ill - posedness of the problem ; second, we are required to develop a computational efficient technique to reduce the complexity of the solving, which in turn promotes the implementation of the solving algorithm

    目前，逆問題研究中需要解決的關鍵問題是： 1對逆問題中的病態現象，給出一種合理的正則化方法； 2減少逆問題求解所需的計算量，增強求解演算法的可實施性。
  7. As a nondestructive technique to measure the inner fine structure of the cathode, the ict has the unique advantage. we discussed the emission mechanism of thermionic cathode, and tried to explain the excellent performance of mixed metal cathode by richardson formula and muller ' s computational model

    4 ）就當前鋇鎢陰極發射機理的兩個主要理論模型作了自己的探討，並初探了鋇鎢陰極中鋇的供應機制及發射壽命預測的問題，而且用理查遜公式的推導和muller計算機模擬法解釋了混合基鋇鎢陰極的優良性能。
  8. The preliminary results obtained by solving n - s equations show - viscous effects clearly. in addition, based on euler equations the effects of point distribution, cloud structure and weight selection on computational results have been analyzed, which results in having a convenient technique of point distribution in the computational domain and a rule of point selection forming an appropriate. clouds of points used in the computation

    此外，論文結合無粘euler方程的求解，對無網格演算法涉及的計算域內點的分佈、當地點雲結構及空間導數逼近的加權因子等問題對計算結果的影響進行了分析和比較，完善了方便的區域離散布點方法，明確了點雲生成選點準則。
  9. Thirdly, to improve the application of light gauge steel structure in our country, some experimentations of institute of new - style steel structure which adopting native productions are induced nally, three - dimensional finite element model is presented. compared with the tests, mumerical results are verified much accurate and efficient, therefore a reliable way is provided to utilize the computational technique adequately to reduce the tests and to utilize the experimental results adequately to improve design quality, ( 3 ) study on floor system. not only adequate strength, stiffness and integer stabilization must be provided, but also insulation, fire and acoustics must be satified

    本文首先論述了lgsfcbw各種破壞模式及其原因，總結了各因素對lgsfcbw抗剪性能的影響，從而為我國引進和應用輕鋼龍骨結構體系奠定了基礎；其次從試驗模型、試驗方法和試驗結果三方面探討了國外lgsfcbw抗震性能的研究，並分析該體系的破壞模式和抗震特性、提出研究建議；然後介紹了為推動輕鋼龍骨住宅國產化，我們採用國產材料開展的系列試驗；最後提出了lgsfcbw的有限單元分析法，數值計算與試驗結果一致，為充分利用計算技術減少試驗數量和充分利用試驗成果提高設計水平提供了一條可靠途徑。
  10. This global illumination technique effectively substitutes, at a very high computational cost, the hemi for the above outdoor setting

    依賴很高的計算代價，這個全局照明技巧可以有效地替代前面提到的室外設置中的半光。
  11. By use of eno interpolating polynomials on unstructured grids, a high accurate finite volume scheme has been constructed through combining the idea of constructing of high order accurate finite volume schemes on structured grids. iii ) constructing of a new kind of high order accurate conservative remapping algorithm. it is based on the technique transferring physical quantities between the two computational meshes, known as remapping

    （ 2 ）基於非結構網格的lagrange坐標系下的有限體積格式構造：使用非結構網格下的eno插值多項式，結合結構網格高精度格式構造的思想，構造得到了非結構網格下的高精度有限體積格式。
  12. In order to validate the feasibility of the novel algorithm, ultrawide band pulse wave is used as incident wave. computational domains are limited by absorbing boundary condition. the transformation technique from near zone to far zone is used when the sampling spot is outside of the computational domains

    時域成像技術以超寬帶脈沖源作為入射波源，用吸收邊界條件來界定計算域，而當采樣點遠離計算區域時，需要通過近?遠場的轉換技術把近場等效面上的信息轉換到遠場，本文採用簡單而實用的柱面波外推法作為近?遠場的轉換方法，收到了較好的效果。
  13. With the flourishing development of the microelectric technique and technology of computer and appearance of the high - efficient number value computational tool represented by matlab. get the fast development, thus the problem that solve the human physiology organ and ca n ' t be discerned in recognition technology of the picture

    隨著微電子技術及計算機技術的蓬勃發展和以matlab為代表的高效數值計算工具的出現，圖像識別技術得到快速發展，從而解決人類生理器官不能識別的問題，部分代替了人的腦力勞動並提高生產效率。
  14. A computational method is developed with couples the governing equations of the unsteady flow field and the rigid - body dynamics in six degrees - o f - freedom. 6. facing the complex multi - element and high - lift configuration, a series of methods including multi - zone algorithm and face - to - face technique is developed to lower down the great difficulties of grid generation and finish flow calculation of high - lift system with the dual - time method

    採用基於自適應直角切割網格的分區面搭接方法，結合隱式雙時間推進演算法，實現了三維復雜增升裝置繞流的euler方程數值計算，發展了對存在不連續面的高陞力系統外形進行流場計算的一種方便、實用、高效的三維增升裝置繞流計算方法。
  15. Numerical prediction of ship hydrodynamic performance at design stage using computational fluid dynamics ( cfd ) technique is a most important and challenging subject in the field of ship hydrodynamics. with the rapid development of computational methods and computer technology, cfd is becoming a practical tool in ship design

    採用計算流體動力學（ cfd ）技術實現在船舶設計階段對船舶水動力性能的精確預報，是船舶水動力學學科中一個具有重大理論和實用意義的、富有挑戰性的課題。
  16. Surrounding rock stability analysis and evaluation are the important problem in rock mass engineering. since the new mathematical tools and computational technique are accessible, the rock mass stability classsification, an old and effective evalution method, has been developed rapidly

    圍巖穩定性分析和評價問題是巖體工程中的重要問題，巖體穩定性分類方法作為古老而有效的分析評價方法，隨著數學手段和計算技術的日新月異也得到了迅速的發展。
  17. This paper presents a method to calculate elastodynamic fracture parameters of surface crack by using the elastic line - spring model combined with perfect ansys software. the main content includes : the traditional line - spring model which is used in the static analysis of surface crack is extended to the dynamic case, the corresponding constitutive relations are derived and combined with the software ansys, and then the corresponding computational technique is formulated

    本文將線彈簧模型與有限元軟體ansys相結合，對彈性表面裂紋的動態斷裂參量進行了研究，所進行的工作主要有：將傳統的用於靜態表面裂紋分析的線彈簧模型推廣用於動態斷裂分析，導出了相應的線彈簧本構關系，並與有限元（ ansys ）相結合，建立了相應的求解技術。
  18. In can - bus communication technique, the circuit design method of can - bus node and the technique of structuring distributed can - bus controlling network are put forward, how to realize can calling and broadcasting communication under pelican mode is explained thoroughly, and the computational technique of bit - timing parameter of can controller sja1000 is detailed

    在can總線通信技術中，給出了can總線節點電路的設計方法和基於can總線的分散式控制網路的組建方法，詳細論述了增強模式下can總線分散式控制網路實現點名和廣播通信的原理與方法，深入探討了can控制器sja1000位定時參數的計算方法。
  19. In this dissertation, the author summed up the muti - technique in fluid dynamics, heat and mass transferring, mechanical designing and computational technique and studied the conventional pressure spray dryers with different air disperse structure and outlet equipment, at last put forward the theme i. e. the study on combined spin - flow pressure spray drying technology, the main contents were as follows : ( 1 ) the combined spin - flow pressure nozzle was designed whose novel structure has no report at present, and the structural designing parameters were obtained through analyzing the physical characteristic of materials and distribution of particles

    本文總結了國內外在壓力噴霧乾燥裝置的研究應用狀況，並分析了現有噴霧乾燥裝置設計方面的優缺點，運用流體力學、空氣動力學、傳熱傳質學、機械設計和計算機技術等多學科知識，綜合研究了傳統壓力噴霧乾燥系統的單噴嘴霧化裝置在併流、逆流以及混流乾燥中的應用和噴霧乾燥塔的不同布風裝置以及出風裝置的設置情況等，提出了新型旋流式組合壓力噴霧乾燥技術並對此進行了研究，其主要內容包括： （ 1 ）本文創造性地設計出旋流式組合壓力噴嘴的基本結構，並通過對料液的物化特性研究分析以及顆粒度的分佈要求，給出了噴嘴的不同結構設計參數。
  20. The fourth chapter introduces the circuit design method of can - bus node, as well as the technique of structuring distributing - type can - bus measuring and controlling network, explains thoroughly how to realize can calling and broadcasting communication under pelican mode, and discusses detailedly the computational technique of bit - timing parameter of can controller sja1000. the latter part of this chapter points out several important problems confronted and solved by the author in the course of designing can - bus communication system

    第四章介紹了can總線節點電路的設計方法和基於can總線的分散式測控網路的組建方法，詳細論述了增強模式下can總線分散式測控網路實現點名和廣播通信的原理與方法，深入探討了can控制器sja1000位定時參數的計算方法，總結了作者在設計can總線通信系統的過程中遇到和解決的幾個關鍵問題。
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