隱式積分法 的英文怎麼說

中文拼音 [yǐnshìfēn]
隱式積分法 英文
implicit integration scheme
  • : Ⅰ動詞(隱瞞; 隱藏) hide; conceal Ⅱ形容詞1 (隱藏不露) hidden from view; concealed 2 (潛伏的; ...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
  1. In the paper, river and the downstream area of dike are regarded as a whole system, and hydraulic model of coupling 1 - d river and gradual dike - break is established, therein the preissmann implicit difference scheme is applied to main river, and the fvm ( finite volume method ) is applied to the breach and polder

    本文將河道與堤壩下游區域視為一個整體,對于單一河道採用preissmann四點計算,對于潰口及圩區採用有限體,建立了一維河道與堤壩漸潰耦聯的水力模型,也是一維、二維耦合的水流模型。
  2. During the procedure of system design and implementation, the author has made some innovative efforts such as : ( d establishing the user interest orientated model, the model receiving user interests continuously and conjecturing user interests by interaction with the user, accumulating user preferences in information demand, thereby achieving self - adaptive retrieval, ? roviding a feedback method which is based on the human - machine interaction, summarizing the user operations on the interface of result presentation, and designing an algorithm for capturing user operation behaviors, by which the changes in user interests and preferences can be learned potentially, ? ffering a method for user interest mining which can extract subjects of information confirmed by user, thereby conjecturing or predicting different kinds of expressions of the same interest or extracting the new interests or unexpressed interests, ? roposing a solution of personalized internet information retrieval based on the user interests in accordance with the above - mentioned work, the solution having very strong feasibility and practicality with taking user interest model as center, employing machine learning ( active learning and passive learning ) and data mining as tools, and being assisted with network robot,

    Piirs系統析與設計過程中所做的創新性的嘗試主要有以下幾個方面:實現了基於用戶興趣的用戶模型,該模型通過與用戶的交互(主動交互和被動交互) ,不斷地接收用戶的興趣和推測用戶的興趣,累用戶信息需求的偏好,實現自適應的檢索;提供了一種基於人機交互的反饋方,對用戶在結果呈現界面上的操作進行了歸納總結,設計了用戶操作捕獲演算, 「性地」學習用戶興趣和偏好的變化;提供了一種用戶需求挖掘的方,對用戶已確定的信息做進一步的主題挖掘,由此推測或預測用戶同一興趣的不同表述方或者挖掘出用戶新的或未表達出來的興趣;在上述工作基礎上提出了一套完整的基於用戶興趣的個性化網路信息檢索的解決方案,該方案以用戶興趣模型為中心,以機器學習(主動學習和被動學習)和數據挖掘為手段,輔以網路機器人,具有很強的可行性和實用性。
  3. In this paper, the upwind scheme and the central scheme are presented for solving 3 - d n - s equations using the cell - center finite volume spatial discretization and four - stage runge - kutta time stepping scheme, with standard convergence acceleration techniques such as local time stepping and implicit residual smoothing

    在n - s方程的數值計算上,採用了中心差和迎風格,用格心格的有限體進行了空間離散,用四步龍格?庫塔作顯時間推進,並採用了當地時間步長和殘差光順等加速收斂措施。
  4. The explicit finite element method ( fem ) based on the varying time - step was selected to analyse the dynamic roll - pass process ; the nodes on the leading face of the steady - state elements set was extracted and projected onto a plane to give the required mesh, also called the origin mesh ; the implicit fem was selected to analyses the inter - pass transient thermal process ; a geometric part from the mesh was generated and meshed by using the quadrilateral elements, a heat transfer analysis was selected to transfer the node temperature data ; a new model was created by using hexahedral elements, mapping the node temperature and the equivalent plastic strain on the integration points

    利用基於變步長中心差的顯析瞬態軋制過程;提取穩態單元集節點形成截面網格;利用析軋制道次間隙瞬態溫度場;對型鋼斷面進行平面四邊形網格劃並映射節點溫度數據;利用六面體單元構建有限元析模型,映射單元節點的溫度、點的等效塑性應變,進行數值析。
  5. ( 4 ) we prove that shapes of ellipses obtained from the leading binomial of [ p are independent of the decomposing methods, and two ellipse equations removing their constants satisfy the same relation of transformation as two [ p curves under the perspective transformation

    ( 4 )證明了含多項解的首二次因子所對應橢圓曲線的形狀與解的方摘要無關。如果兩條含多項曲線滿足透射變換關系,那麼它們首二次因子中的橢圓曲線方程去除常數項后也滿足這種變換關系。
  6. In order to resolve the question, in the thesis a simulation arithmetic of hydro - electrical system is put up. the equations of hydro - electrical system are divided to two parts, one of which consists of the differential equations of conduit system, hydro turbine and generator ' s rotator and is solved by characteristic equation arithmetic, the other of which consists of the differential equations of generator, magnetic system and grid and is solved by longge - kuta arithmetic or covert integrated arithmetic. through the alternative solving of the two parts, the simulation results of the large - disturbance transient could be abstained eventually

    為解決這一問題,本文提出了一種將水力系統和電力系統方程交替求解的水電系統聯合模擬演算,即將包括輸水系統、水輪機以及機組轉子等部的水力系統差方程作為一部,將包括同步發電機、勵磁系統以及電網等部的電力系統微方程或差方程作為另一鄭州大學工學碩士論文部,對前一部採用特徵線求解,對后一部根據模型形採用龍格一庫塔隱式積分法等演算求解,這兩部的求解過程交替進行,最終即可得到水電系統大擾動過程的模擬結果。
  7. The paper discusses the basic theory of genetic algorithms including schemate theorem, building block hypothesis, implicit parallelism, the analysis of astringency and so on, as the theoretical base of application

    在對遺傳演算的闡述中,討論了遺傳演算的基本原理,包括模定理、木塊假設、含并行性和遺傳演算的收斂性析等,作為後面遺傳演算應用的理論依據。
  8. Applied the precise integration method to solve stiff equations and nonlinear equations, and improved the method from explicit and implicit aspects. it found that the exact solution of some differential equations may be obtained, and always stable absolutely

    將之應用於剛性方程及非線性方程的求解中,並對非線性方程的求解從顯兩個方面給出了改進措施,得出:使用精細可以給出某些微方程的精確解,且絕對穩定。
  9. In this paper, a three - dimensional ( 3d ) program for the three - dimensional reactive flow fields of complicated geometric nozzle, which governed by the compressible full navier - stokes equations with realizable k - s turbulent model, has been upbuilt by using full implicit couple arithmetic and fvm ( finite volume method ) based on understanding and assimilation of a two - dimensional program group of cr ( chamber - radon ). the new program fulfils the urgent need of numerical tools for simulating three - dimensional reactive flow - fields of hylte ( hypersonic low temperature ) and other latest nozzles, for which cr is out of action in simulation, and can be applied to simulate other chemical laser system, such as chemical oxygen iodine laser ( coil ), overtone fluoride hydrogen, all - gas iodine laser, and so on. furthermore, some related topics about nozzles design and engineer ing also have been discussed

    本文在二維cr ( chamber ? radon )程序研究的基礎上,採用有限體和完全的耦合演算,通過求解帶realizablek -兩方程湍流模型的多組、有反應的三維完全納維埃?斯托克斯( n ? s )控制方程,建立了一套能夠對復雜形狀的三維噴管和光腔進行數值模擬的三維程序,解決了連續波df hf化學激光器增益發生器設計缺乏三維數值模擬工具的問題,並用該工具解決了cr程序無實現的hylte等復雜三維噴管流場的理論模擬問題。
  10. The full potential equation is solved by the time - accurate approximate factorization algorithm and internal newton iterations, and the euler equation by the finite - volume resolution scheme and dual - time stepping

    對全位勢方程採用精確近似因解差、牛頓內迭代演算。對euler方程採用有限體和雙時間推進。
  11. A better desired ventilation form is acquired by comparing the three efficiency values. on the basis of recently materials collected in the field at home and abroad, this paper adopts two - equation turbulence model by analysis and comparison, and sets up mathematical model to study three - dimentional indoor turbulent flow. control - volume method and power - law scheme is used to discrete these differential equations. according to semi - implicit method for pressure - linked equations ( simple algorithm ), author writes a general program in c language for simulation of the velocity profile, temperature and pollution concentration distributions of indoor airflow, and the writing, the debugging and the running of the program. all are completed in microsoft visual c + + 6. 0 environment

    在收集國內外在這一領域內的大量資料的基礎上,通過析與比較,採用了k -雙方程模型來研究室內氣流的濃度佈,建立了描寫穩態的三維紊流室內氣流濃度佈的數學模型,採用控制容和冪函數佈方案來離散微方程組,按壓力藕合方程的半( simple )演算,用c語言編寫了計算室內氣流流場和溫度場、濃度場的通用程序,並在microsoftvisualc + + 6 . 0環境下對程序進行編制、調試與運行,並對調試工作做了探討與析。
  12. In the parallel computation, there are two strategies, namely sbs and ebe ; for the nonlinear problem solution, there are direct and iterative algorithms, but for dynamic analysis there are explicit and implicit integration, and high precision direct integration

    有限元并行計算有sbs 、 ebe兩種策略,非線性求解有直接與迭代解,動力時程析有顯和精細時程
  13. In the course of calculation, implicit difference scheme and finite volume formulation are used to solve the temperature field, and an advanced model is adopted in the calculation of the ablation

    在計算中,採用了及控制容等計算技術,並採用了先進的燒蝕模型。
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