有限態文法 的英文怎麼說

中文拼音 [yǒuxiàntàiwénfǎ]
有限態文法 英文
finit state grammar
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  • 文 : Ⅰ名詞1 （字） character; script; writing 2 （文字） language 3 （文章） literary composition; wri...
  • 法 : 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...
  • 有限 : limited; restricted; finite; a little; not much
  • 文法 : grammar文法學 grammar
  1. At first, the recent development of the simulation to cargo system of chemical ship is introduced. the significant of the research, methods and the characteristics of system simulation are also discussed. the model of cargo liquid and ballasting pipeline network is then simulated by the methods of predecessors

    文章首先介紹了散裝化學品船液貨系統模擬發展的現狀，闡述了化學品船液貨系統模擬研究的意義，以及模擬的方法和特點；之後運用前人的管網有限元方法對母型船液貨、壓載管網進行模擬建模，在系統地考慮了多種因素的前提下，實現了化學品船液貨系統操作動態模擬和靜態模擬。
  2. Introduced by prestressed pier in the gate of spillway in xiao xia hydroelectric power station, the text reasonably established 3 - d finite elements mechanic model by the advanced finite elements popular in the world which can expediently impose tension of anchor funicular at its place. it also considered possible diversified combination of loading, and indicated that the effect of its prestressed action is fruitful compared with its conventional counterpart by study of mechanic calculation in comparison. as a result, it vastly improved burdening state of pier. by analysis of 3 - d finite element method, it also gained the stress result indifferent boundary conditions such as breast wall joint support and fixed support, and the displacement result in diversified loading combination. those results gained the instructive and reference value in design of prestressed pier

    本文結合黃河小峽水電站泄洪閘預應力閘墩這一工程實踐，採用國際上已成熟的有限元方法，合理地建立了預應力閘墩的三維有限元模型，該模型可方便地按預應力錨索的點位施加錨索預張拉力，考慮了可能發生的多種荷載工況組合，並與無預應力閘墩結構進行了對比分析研究，指出其預應力效果是明顯的，可以大大改善閘墩結構的受力狀態，通過三維有限元分析，還得到了胸墻簡支、固端不同情況下的應力成果和各荷載下的位移成果，這些成果的取得對預應力閘墩的設計具有一定的指導和參考價值。
  3. The paper establishes mathematics model of electromagnetic heating system of eddy current field and temperature field, and gives corresponding discrete format with elements as eight nodes, hexahedron equal cell, through calculating eddy - current field to gain the internal heat source that the temperature field needed, to use discrete method to solve the problem of induction - heating part ' s temperature field by axial symmetrical electromagnetic, and then to analyze the characteristic of instantaneous temperature field

    本文建立了電磁加熱系統的渦流場和溫度場間接耦合的數學模型，分析了不同頻率下渦流和溫度的分佈情況，並以八節點六面體等參元為例給出了渦流場對應的離散格式，通過計算渦流場獲得溫度場所需要的內熱源強度，加熱部件的溫度場以軸對稱格式進行離散求解，並對瞬態溫度場有限單元法的求解特點進行了分析。
  4. In the paper, static and dynamic triaxial tests were conducted on fiy ash at shanmenxia longgou ash dam, and the static and dynamic parameters of fly ash were obtained. thirdly the 2 dimensions static analysis of the ash dam was conducted based on biot ' s consolidation theory and duncan ' s nonlinear stress - strain model. finally the plane dynamic behaviors of the ash dam during earthquake of intensity 7 were analyzed based on the exponent function model of excess pore water pressure aroused by earthquake, which is put forward in the paper, and equivalent visco - elastic dynamic fem model and principle of effective stress

    本文結合實際工程，對三門峽火電廠龍溝灰壩的築壩粉煤灰進行了靜、動三軸試驗，確定了該壩粉煤灰的靜動力學指標；然後根據比奧（ biot ）固結有效應力原理，採用鄧肯（ duncan ）非線性應力應變模型，對該灰壩的二維靜力應力和變形狀態進行了分析；最後利用本文提出的地震超靜孔壓指數函數模型，採用等價粘彈性動力有限元方法，對該灰壩在地震作用下的動力穩定性進行了分析評述。
  5. Firstly, this paper describes the optimization problem of thermal stress of fabrication process and steady work process for the hollow cylinder and the infinite plate. then, thermal stress distribution is calculated making use of theoretical formulation and the results can be validated by finite element method. in optimization, the restriction condition is heat insulation performance and the objective function is danger coefficient

    本文首先對平板結構和圓筒結構梯度塗層在制備過程和穩定工作狀態下的熱應力優化設計問題進行描述，然後分別用解析法求解兩種結構的梯度塗層在制備過程和穩定工作狀態下的熱應力分佈，並採用有限元方法驗證了熱應力分佈的結果，在優化設計時，以危險系數為目標函數，以塗層的隔熱性能為約束條件進行設計。
  6. At the beginning of this article, we give the analysis about the principle of external condensation. we find out that the most important factor in the condensation is the temperature of the air in the system. and we point out the factors which can make influence in the external condensation, such as the temperature and the humidity of the environment, the temperature and the pressure of the supplying air, the load of the system, the area of passage of speed control valve, and so on. next, we give the mathematics model of the pneumatic system using the knowledge of aerodynamics and heat transfer theory. and using the finite difference method and the numerical analysis we can get the solutions of the model. we use c program to simulate the model

    本文首先對氣動系統外部結露的原理進行了分析，指出了氣動系統內部氣體溫度下降是氣動系統外部結露根本原因，提出了影響氣動外部結露的主要因素，包括環境溫度、環境濕度、供氣壓力、供氣溫度、氣缸負載和調速閥開度等。然後應用氣體動力學、氣體熱力學和傳熱學對氣動系統建立數學模型，用逆步進有限差分法和數值分析演算法對所建模型進行求解，利用c語言編製程序對氣動系統模型進行模擬，給出了氣管及氣缸內氣體的各個時刻的狀態參數。
  7. Abstract : based on the mode analysis of the stator of a ultrasonic motor using in - plane bending vibration, three kinds of in - plane vibration modes are obtained, and the influence of the motor ' s structural parameters on its modal frequencies are discussed. some helpful conclusions are given, which provide theoretical basis for the design of this type of motor

    文摘:運用有限元方法對利用平面內彎曲模態超聲電機定子進行了模態分析，獲得了三種不同類型的面內振動模態，並討論了電機結構參數對其模態頻率的影響，在此基礎上得到了一些有益的結論，為利用平面內旋轉模態設計超聲電機定子提供了理論依據。
  8. In this dissertation, the principle of fem in em was discussed, then the pulse radar and three - layered pavements were analyzed with 20 - noded and 4 - noded isoparametric elements respectively. then, corresponding fem programs are compiled in fortran90. so a forward model was built up to describe the transmitting of electromagnetic in the radar and pavements, according to the system identification method

    針對上述情況，本文系統闡述了電磁場有限單元法的基本原理，然後採用二十節點、四節點等參單元分別對pulse雷達實體及三層路面系統進行了靜態場和時變場的有限元分析，初步建立了電磁波在三層路面中傳播的正演模型，同實測波形相比，模擬效果較好，並用fortran90語言編制了相應的三維、二維有限元程序，具有較好的可讀性和可移植性。
  9. In this paper, the temperature fields during liquid infiltration extrusion of composites are simulated with the fem, the seepage fields of liquid metal are simulated with the fdm. both the temperature fields and the seepage fields are coupled, the temperature variation curves, infiltration front process curves and velocity variation curves with time are obtained

    本文採用有限元法模擬了液態浸滲擠壓復合材料浸滲過程溫度場，採用有限差分法模擬了液態金屬滲流場，將兩者間接耦合分析計算，得到了浸滲區域的溫度變化曲線、浸滲前沿及浸滲速度隨時間變化等曲線。
  10. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後，首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程，然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的，指出了開放空間中突然出現的時變電場（位移電流）是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究，以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬，並給出了電場的等高線和空間波形圖，這些圖形對理解脈沖電磁波的輻射機理非常有益
  11. Because mechanism modeling is very complex and the data for identification modeling ca n ' t often obtain easily, the writer present a thought to establish the mathematical model of transient temperature field of iron bodies. the thought is that using mechanism modeling to set up temperature prediction model for surface of iron bodies and using identification modeling to calculate temperature field of iron bodies

    本文針對機理建模的復雜性和辨識建模實驗數據獲得的困難性，提出了使用機理建模和辨識建模相結合的辦法建立加熱爐鋼坯溫度場數學模型思想，即，利用辨識建模的方法（使用動態bp網路建模）建立鋼坯表面溫度預報模型，在此基礎之上使用機理建模的方法（利用有限差分法建模方法）建立溫度場的預報模型。
  12. Secondly, two carbon fiber reinforced composite beams were fabricated, and their modal frequencies were measured by an experiment method. thirdly, delaminations were modeled by pairs of nodes with the same coordinates but different node numbers, while the modal frequencies of these beams with different delamination location and size were computed by an eas piezoelectric solid element. moreover, a novel method combining computational mechanics and neural network was demonstrated for composite health monitoring ; the first five flexure modal frequencies obtained by fem were modified by a primary revising approach and were used to train the neural network

    本文較全面地評述了神經網路的應用模型、改進演算法等，編制了bp神經網路程序：制備了纖維增強復合材料試件，並進行實驗模態分析；利用坐標相同、節點號不同的方法模擬脫層損傷，基於eas列式的壓電固體單元計算了不同脫層損傷情況下的頻率信息；針對基於實驗數據訓練神經網路存在樣本不足的缺陷，本文提出了利用有限元方法對含有脫層損傷的復合材料試件進行數值模擬，以前五階彎曲模態頻率構建訓練樣本的新思路，並提出了一種初步的計算值修正方法，以此構建神經網路的訓練樣本：將實驗模態分析的結果送入訓練好的神經網路進行預測，實現了對復合材料梁的脫層損傷的定位和損傷程度的評估。
  13. In the paper, in accordance with the thermal power torpedo propulsion system using hap tri - component fuel, with the i - deas software, applying the cad technology and the fem, the research of simulation on the piston - one of key parts of engine was proceeded and the paper presented the whole analysis process of the piston including thermal analysis. in the paper, the question of the boundary condition in the complicated engineering was explored and the temperature field. the stress field and the deformation of the piston were computed and analyzed under a new kind of fuel ( hap )

    本文針對三組元魚雷熱動力系統，應用i - deas軟體，利用cad技術和三維有限元方法（ fem ） ，對發動機的關鍵零件? ?活塞展開模擬研究，對活塞進行了包括熱分析在內的全過程的模擬計算，探索了復雜工程中邊界條件的處理問題，分析計算了魚雷發動機活塞在新型燃料（三組元燃料）工作下的穩態溫度場、應力場與變形情況，最後，根據分析結果對其結構提出了改進意見。
  14. The paper presents a solution method for the transient temperature field, in which the finite element method or the finite difference method is used to get discrete structure, and the finite difference method is used to get discrete time in order to simplify the transient thermal conductive equations as a set of linear equations as a set of linear equations at different moment

    本文提出對空間採用有限元法或有限差分法，而對時間採用有限差分法將瞬態熱傳導方程簡化為不同時刻的線性方程組以求解瞬態溫度場，用以求解大體積混凝土在固化過程中不同時刻的溫度分佈。
  15. In this dissertation, in allusion to the limit that the domestic analysis and studies of the body structure only concentrate on the static bend, torsion and some extreme conditions in nowadays and the studies on transient analysis of the whole vehicle that contains the suspension model, tire model and the road model are few, the applications of the fem on the analysis of the car body structure are studied. and in this dissertation the method of building connecting means models, the dynamic response of the body, the fatigue analysis of the body and the reforming measures of the body are deeply discusses

    本論文針對目前國內車身結構分析的研究只限於對車身或車架結構在靜態扭轉、彎曲載荷以及幾種極限工況載荷作用等幾種情況的研究，對含有懸架、輪胎以及路面模型的整車瞬態響應分析的研究較少的實際情況，對有限元方法在汽車結構分析中的應用作了些研究工作，尤其是在車身連接件處理、車身動態響應、車身疲勞強度分析、車身結構改進方案等方面進行了較深入的探索。
  16. Further more, a finite element analysis of flywheel rotor was made to increase the security of the flywheel ' s test, 9 modes frequency were taken out according to the rotating speed of the flywheel, the results can act as the theory base for the structure design and tests of the flywheel

    為了增加飛輪實驗的安全性，本文利用有限單元法對飛輪轉子作了模態分析，抽取了飛輪工作轉速范圍內的9階模態頻率，可作為飛輪結構設計和飛輪實驗的理論基礎。
  17. In accordance with the deformation analysis of lean - caused disaster engineering and the deformation control in rectification, analysis method of the leaning reinforced concrete frame is presented using the theory of structural engineering, numerical analysis and disaster characteristics. on the basis of the analysis method, finite element is applied to analyze the stress and deformation conditions of structure in order to obtain the rectifying displacement. appling of fuzzy math to value the ultimate bearing capacity of structural element, the author puts forward the fuzzy general evaluation method of the element, and using the theory of structural engineering also gets the rectifying load

    針對傾斜病害工程的變形分析和糾傾扶正過程結構的變形控制問題，本研究論文根據建築結構理論，採用數值分析方法，並結合病害表現特徵，提出對鋼筋混凝土框架結構傾斜病害的變形分析方法；在結構的變形分析的基礎上，運用有限元方法對結構進行數值模擬，對結構的應力狀態及變形狀況作進一步的分析，確定糾傾位移量；運用模糊數學理論，提出對鋼筋混凝土病害框架結構構件的承載能力的模糊綜合評判方法，並結合建築結構理論得出最終糾傾加載量。
  18. Considering the local nonlinearity of the rotor - bearing system, a systematic dimension reduction method is applied in this paper for low - pressure rotor - bearing of the 200mw turbine set system. the model of the rotor - bearing system is established by fem ( finite element method ). the fixed - interface component mode synthesis procedure is applied to significantly reduce the dimension of the system

    本文針對200mw汽輪發電機組低壓轉子?軸承系統，採用了一種系統的降維分析方法:利用有限元方法建立了轉子?軸承系統的有限元模型，然後利用固定界面模態綜合法顯著地降低系統的維數。
  19. Abstract : first, the key magnet statuses and their pertinent mmf. position of exterior rotor brushless dc motor are described in this paper. second, the air - gap magnetic field and the armature reaction of the three - phase six - step exterior rotor brushless dc motor used in electrical bicycle are analyzed by means of mmf. vector, mmf. integration and magnetic field fem respectively. some valuable conclu - sions for designing this kind of motor are obtained

    文摘:給出了外轉子無刷直流電動機的典型磁狀態及其對應的磁勢矢量位置，並用磁勢矢量合成法、磁勢積分法及電磁場的有限元方法對電動自行車用三相六狀態外轉子無刷直流電動機的氣隙磁場及電樞反應進行了詳盡的分析，從而得到有益於該種電機設計的結論。
  20. Then in the second part, we describe our work on water animation in details, namely the physical model of shallow - water, the numerical solution of the 2d navier - stokes equations using the finite volume method, and the disturbance model which are used to control the behaviors of water waves

    本論文的前兩章介紹水流模擬課題方面的挑戰及人們所採用的方法。第三章以後具體地介紹如何利用有限體積法求解淺水波方程得到水波的運動形態，以及如何利用干擾模型擾動方程的數值解來產生各種形狀的水波。
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