擬序結構 的英文怎麼說
中文拼音 [nǐxùjiēgòu]
擬序結構
英文
coherent structure-
Based on vc and opengl software platform, as a part of integrate planar mechanism analysis and simulation cai, the mechanism theory has been adopted to analysis the movement trace and profile of linkage ; adopt oriented object method to capsulate the class module. each corresponding class module complete parameter storage and process ; adopt message - map, message - trigger to organize the programming and response the user " s input ; use the document - view structure of the visual vc + + mfc class foundation as the basis of the programming architecture to complete those functions. use oriented object method to product the following class module : control class, render class, document class, mechanism class and other classes ; adopt opengl library to draw the three dimensional graph based on the result of mechanism analysis ; use model transforming, lighting, material, color, frame - buffer, display - list, graphics - component combine etc to draw the three - dimension mechanism and make the simulation of linkage has high reality
本文敘述了平面連桿機構運動分析和可視化模擬的理論演算法及其編程實現方法，基於微機vc平臺，採用opengl圖形庫編程，利用面向對象的方法對機構進行功能封裝，利用vc + +的文檔視結構作為最基本的窗架，生成並控制三維繪制類、文檔類、主窗口類和一些輔助類，利用windows平臺的消息映射、事件驅動來組織程序運行和響應用戶反饋，利用機構分析得出坐標數據驅動opengl庫繪制三維機構圖形。Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下： 1 ）對翅片管蒸發器結構特點進行分析，選取適當的微元控制體，就干、濕和霜工況下對每個微元分別進行傳熱傳質分析，基於經驗關系式確定霜的有關參數，對于霜工況下的霜生長建立模型，經適當假設，運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時也為製冷系統實現自動控制提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數間定量耦合的觀點來分析和計算，為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場，實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。On the basis of the others, according to the constructional feature of the constitution of the composed soil nails, the computation mode of the he strut frame made of composed soil nails was set up to analyze the distortion of the he strut frame made of composed soil nails when it is stressed. with the engineering data, the strut frame made of composed soil nails is analyzed with the program ababqus, and the effects of the distortion characters, the property of the deposition of the ground, the mechanical property of the soil nails, the variation of the length and the separation of the soil nails, and the diametric of the mixing piles on the strut frame made of composed soil nails, and the distortion property of the strut frame made of composed soil nails under different ground conditions
在總結前人的研究成果下，針對復合土釘墻構造的特點，建立了模擬復合土釘墻受力變形的計算模型，並結合工程實測資料，運用大型通用有限元程序ababqus對復合土釘墻進行了有限元分析，詳細討論了復合土釘支護結構開挖過程中的變形特性、地面沉降性狀、土釘受力性狀；土釘長度變化、土釘間距變化、攪拌樁樁徑變化對復合土釘支護結構的影響；復合土釘支護結構在不同地基條件下的變形特性。In addition, the vortex structures of the gas flow field and particle dispersion were studied when the coupling action between the two phases was considered in the case of different mass loading of mediate stokes number particles was provided in the gas - particle plane jet
另外，文中還模擬研究了氣粒兩相平面射流中不同質量攜帶率下中等stokes數顆粒與氣相流場的相間耦合作用下氣相流場的旋渦擬序結構以及顆粒運動擴散規律。Due to its complexity of the problem, the theories and experiment results obtained are discrepant, and some of them are even contrary one another. started from the influence by movement rules of small cavities and solid particles, the mechanisms of combined effect of cavitation and sand abrasion are study in this thesis from the aspect of the turbulent coherent structure near the wall. first, a dynamic equation is established for a single spherical bubble and single spherical sand under the non - turbulent coherent structure near the wall, and then a dynamic equation established under the turbulent coherent structure near the wall
首先從理論上推導出在典型湍流邊界層模式的非擬序結構下空泡與固體顆粒的近壁區運動方程，然後推導出湍流近壁擬序結構作用下的空泡與固體顆粒的近壁區運動方程，再將兩種不同條件下的的運動方程進行比較，指出湍流近壁區的擬序結構對空蝕與磨損的發生具有決定性的意義，即正是由於擬序猝發作用的存在，才使得空泡、沙粒對壁面的空蝕與磨損作用得以發生。The physical model, configuration and function are introduced in this paper. in addition, molecular dynamics modeling of radiation collision cascades course in copper is carried out. some exciting results are obtained
本文介紹了它的物理模型、程序結構和功能等，並且以面心立方晶體銅為例進行了輻照碰撞級聯過程的分子動力學模擬，得到了令人滿意的模擬結果。Investigation of the coherent structure in a particle - laden turbulent planar jet using les
氣粒兩相平面湍射流擬序結構的大渦模擬At the same time, dispersion of different stokes number particles influenced by the ordered large - scale turbulent structures of the carrier gas phase was investigated. and the following " conclusion was drawn : particles of mediate stokes number mainly concentrated in the outer boundary region of large scale eddies, and they had the nignest dispersion rate ; particles or little stakes number mainly lay in the core region of the eddies, and they had the lest dispersion rate ; though particles of large stokes number distributed throughout the eddy structures
同時還模擬研究了不同stokes數顆粒在二維流場旋渦擬序結構作用下的運動擴散特性，詳細描述了不同stokes數顆粒在流場中的空間分佈規律，認為：中等stokes數顆粒集中於流場旋渦的外沿區域，在流場空間中的擴散率最高；小stokes數顆粒集中於流場系列旋渦的渦核區域，在流場空間中的擴散率最低；而大stokes數顆粒則遍佈於流場旋渦渦核和渦外沿區域。At last, three - dimensional mathematical model of gas - particle two phase turbulence was established, and it was adopted to study the gas - particle two phase rectangular jet as well. the distribution of the time - averaged velocity and turbulence intensity was studied, and some of the simulation results were compared with the experimental results ; the coherent structure of flow field was described in the three direction, the evolution and motion of the eddies was discussed too ; the dispersion of fine particles in the three dimensional space was also investigated
全面地分析了矩形射流氣相時均流場的速度、湍流強度的空間分佈規律，並就部分數值模擬結果與實驗結果進行了對比研究;描述分析了氣相流場湍流擬序結構，對流向、橫向和展向三個方向旋渦的空間結構特點進行分析研究，並分析了流向渦隨時間變化的發展、運動規律。And then simulations of gas - particle two phase plane wake and gas - particle two phase plane jet were carried out by using this model. after numerical simulations of the two flow fields were finished, series of analytical work was done. first, the distribution of time - averaged velocity, turbulence intensity was analyzed, and some of the simulation results were compared with those of the experiments ; the coherent structure of vortices in the near wall region of the plane wake flow were studied by describing the evolution of the eddy structures, including the forming, developing and shedding from the wall of the vortices in the near wall region ; the coherent structure of vortices in the whole field was also studied, such as the forming, developing, moving, pairing and merging of the eddies etc.
在對上述兩種流動形態的二維大渦模擬研究中，首先全面地分析了氣相時均流場的速度、湍流強度的分佈規律以及氣相速度的脈動規律等並就部分數值模擬結果與實驗結果進行了對比研究；分析了平面尾跡流場中近壁處旋渦擬序結構，全面和逼真地反映了近壁處旋渦的生成、發展和脫落的規律；描述分析了平面尾跡流和平面射流的全場流動旋渦擬序結構，從整個流場的角度反映旋渦的生成、發展、運動以及旋渦之間相互配對、合併的作用規律等。Les of the coherent structures in two - dimensional turbulent channel flow
二維槽道湍流擬序結構的大渦模擬The results show the moment developing course of flow over flat wall and the evolvement of coherent structure, and also completely simulate all kinds of detail processes in development of boundary layer over flat wall, such as the generation and rise of low - speed stream, the extension and rupture of horse - hoof - shaped vortex and so on
模擬結果給出了平壁流動的瞬態發展過程以及流動中擬序結構的發展演變過程，成功地模擬了平壁邊界層發展中的各種瞬態細節過程，如低速條帶的產生、上舉過程，馬蹄形渦的拉伸變形、破裂過程。Additionally there is particular analysis on the generation of vortex along span
同時對擬序結構中展向渦結構的生成進行詳細分析。Particle dispersion affected by turbulent coherent structures in a three - dimensional mixing layer
三維混合層中湍流擬序結構對顆粒擴散的影響In the first part, the focus is put on the fiber distributions in large scale structures controlled flows
一是研究大量纖維在大尺度擬序結構中的分佈規律。Diretct numerical simulation in turbulent coherent structures of three - dimensional gas - particle two - phase mixing layer
三維氣固兩相混合層湍流擬序結構的直接數值模擬Bifurcation is a common nonlinear phenomenon and plays an important role in the nonlinear science. in this thesis, we concentrate on analysis and computation of bifurcation. it can be separated as two parts on the whole
分歧是一種常見的非線性現象，並與其它非線性現象（如混沌、湍流、突變、分形、擬序結構等）密切相關，在非線性科學的研究中佔有重要地位。Through comparison, it can be seen that the turbulent coherent structure near the wall influences directly the striking effect of the bubble and sand. a new proposal is put forward at the end of the thesis that the destruction caused by the combination of cavitation and sand abrasion can be mitigated by means of controlling the turbulent coherent structure near the wall
最後用有關的結論對過去的空蝕與泥沙磨損聯合作用的一些試驗觀測結果進行了定性的分析、評述，並提出通過控制擬序結構的發生以達到控制空泡、沙粒對壁面的沖擊作用是減輕磨蝕破壞的一條新的途徑。Based on virtual instrument technology, the flicker meter ’ s hardware and software is designed, generic pci bus data acquisition cards and graphical programming language labview is used. the structure and performance of program are optimized as well
基於虛擬儀器技術，採用基於pci總線的通用數據採集卡，結合圖形化編程語言labview ，對閃變測量裝置的硬體、軟體進行了設計，對程序結構和性能進行了優化。On the aspect of hardware, it refers to the hardware circuit design of the high - speed control card and the analog output card, anti - jamming technology, chip software programming, and hardware upgrade project ; on the aspect of software technology, it relates to the design idea of program frame modularization and using asm96 assembly language to compile system software including main program and communication interrupt service program and controlling output program
硬體上，內容涵蓋了高速智能控制卡和模擬量輸出介面卡的硬體電路設計、抗干擾技術、晶元控製程序設計和硬體升級方案;軟體上，注重程序結構模塊化，運用asm96宏匯編語言編寫系統程序，包括主程序、通信中斷服務程序、控制輸出程序等。分享友人