transient analysis method 中文意思是什麼
transient analysis method
解釋
暫態分析法-
Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box
綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。 -
Second, adopting the linearity of oil film of the guide bearings, the transient response of the shafts is computed and analysis by integrating with willson method. because of the uncertain position of the shafts in the guide bearing, the model and solution method of nonlinear transient response of the shafts is discussed
然後結合willson數值積分法，採用線性化油膜力，對機組軸系的線性瞬態響應進行了計算分析，根據機組軸系在瞬態響應中運動的不確定性，給出了由導軸承油膜力非線性所引起的主軸系統的非線性瞬態響應的建模及求解方法。 -
On the basis of experimental research, this thesis applies 2 - dimensional non - linear finite element method to the analysis of transient temperature field on the section by means of relatively high precision triangular element of six joints. when the temperature field is analyzed, finite element reseaus are divided in space field and finite difference reseaus are divided in time field, and then the program is compiled. the computing results are in good agreement with the test data
在試驗研究的基礎上，本文採用精度較高的三角形六結點單元對構件截面二維非線性瞬態溫度場進行了有限元分析，即在空間域內採用有限元網格劃分，在時間域內採用有限差分網格劃分，據此編制了計算程序，計算結果與試驗數據符合較好，程序穩定性好，精度滿足要求。 -
Shielding schemes of computer vdu are suggested through transient electromagnetic scattering analysis. method of time - domain integral equations is used here. a new soft - tempest method is found to strengthen protection capability of electromagnetic information leakage
用時域積分方程法，通過瞬態電磁場分析推薦了計算機顯示器的屏蔽方案，提出soft - tempest技術的新措施以加強信息電磁泄漏防護； 4 -
The information extending method and curve fitting method, which deals with data in the complementary system of wams and scada, are discussed. secondly, traditional transient stability analysis method starts at the static
傳統暫態穩定分析方法是從故障前穩定平衡點開始的，然而實際系統總是處在或大或小的擾動之中，因此，這種分析方法不能準確地表現系統真實的運行情況。 -
Then the dynamic behavior analysis and harmonically excited transient response analysis are conducted. the time increment method achieves the nonlinear discretized dynamic equations
接著進行了懸索的動力特性分析和簡諧激振的瞬態響應分析，利用增量法實現了離散化的非線性動力方程組的迭代求解。 -
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分格式的顯式積分方法分析瞬態軋制過程；提取穩態單元集節點形成截面網格；利用隱式積分方法分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分並映射節點溫度數據；利用六面體單元構建有限元分析模型，映射單元節點的溫度、積分點的等效塑性應變，進行數值分析。 -
In the second part of this paper, it makes a detailed analysis among fluid - model - based, smith - principle - based and two - pd - controllers - based by comparing to the method and application of control theory. then it gets the laws to keep the control loop stable. in order to analyze the dynamic and transient characters, three congestion control algorithms mentioned above have been carried out in the nist atm network simulator and the successful outcomes are brought out
本論文對atm網路abr業務擁塞控制的控制理論演算法進行了總結，簡要分析了其優點和缺點；運用控制理論的分析方法和觀點對基於流體控制模型、史密斯預估控制模型和雙重比例微分控制模型三種擁塞控制演算法加以具體的分析，從而分析了怎樣確保控制環的穩定性；在nistatm網路模擬軟體中嵌入以上三種擁塞控制演算法，從而對演算法的動態和瞬態特性進行模擬分析，以此證明控制演算法的有效性；最後提出了今後atm網路abr業務擁塞控制演算法的發展趨勢。 -
This method incarnates a new ideologies of measurement based and process oriented in power system calculation, and can improve the veracity and adaptability of transient stability analysis
該方法不僅體現了「基於測量，面向過程」的電力系統計算思想，而且對于提高暫態穩定計算的準確性與適應性具有重要意義。 -
The transient mathematical equations are addressed for the coupled heat and moisture transfer by taking account of moisture accumulation procedure. an analytical method by means of the transfer function is proposed to predict the transient distributions of temperature and moisture content at different interfaces in walls. a numerical analysis approach based on an efficient finite - difference method is developed to deal with the procedure of coupled heat and moisture transfer in a multilayer wall with nonlinear boundary conditions considered
建立了考慮濕積累過程的瞬態熱濕耦合模型，在方程中引入了濕積累項；發展了一種傳遞函數解析方法進行墻體內不同剖面處溫度和含濕量的動態預測；首次提出了一種基於有效有限差分法預測非線性邊界條件下多層多孔結構內的傳熱傳濕過程的數值分析方法，求解過程中考慮了瞬態邊界條件，從而避免了通常處理中由於邊界條件設定為常數而給計算帶來的誤差，對于多層結構每一層物性參數的非連續性，則採用了有效的有限差分逼近處理。 -
By means of the multi - loop method, the steady - state analysis of internal faults in stator windings of synchronous machine has been made, but as to the transient analysis, research only limited to single machine with no - load
運用多迴路方法，已經基本解決了同步電機內部故障的穩態分析問題，但對故障的暫態研究，以前還僅限於單機空載的情況。 -
With the development of computer - aided engineering, use the transient state dynamics analysis method to carries on the analysis to the transient state mechanics process which involves to the automobile collision process, as a means of supporting the design, can greatly improve efficiency of the work. computer simulation testing methods has incomparable superiority, but can not be fully divorced from or replace the test
在汽車被動安全性研究中碰撞模擬技術在近20年發展迅速，並在汽車的開發過程中發揮了巨大的作用，盡管計算機模擬不能完全取代昂貴的碰撞試驗，但在產品開發中可以節省開發費用、縮短開發周期。 -
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。 -
By constructing a simplified model of the beam in computer, every mode of vibration has been analyzed through finite element method on ansys platform. both transient analysis and dynamic analysis have been carried out by properly converting the real loads to the equivalent ones, which are comparatively easy to manipulate for the software
建立了梁的簡化模型，進行了智能梁結構的有限元分析，得到了梁的各階模態，並在此基礎上利用等效載荷對梁進行了動力學分析及瞬態響應分析，得到了梁的各階模態下驅動器放置的最優布局。 -
Based on the investigation of analysis methods for the overvoltage striking on rotating electric machines and its research status at home and abroad, the safety forecast theory and the analysis method for the switching overvoltage of large power stations are firstly presented based on the field - circuit analysis, and the transient field distribution and the insulation condition in the stator winding insulator stricken by the switching overvoltage in large power stations are studied and analyzed on line
本文在分析和總結國內外關于旋轉電機過電壓分析方法及其研究現狀的基礎上，首次提出了基於場路結合的廠站操作過電壓安全預測理論和分析方法。本文研究了大型電站中的操作過電壓沖擊波在發電機定子繞組絕緣介質中暫態電場的實時分佈狀態，在線分析發電機的絕緣工作狀況，搜索發電機內部可能突發絕緣事故的區域，預測發電機內部可能發生絕緣事故的故障點，並重點研究了大型發電機絕緣安全在線預測分析方法和建立了大型發電機絕緣安全評估模型。 -
In fundamental theory, adaptive optics, electrostatic actuation, flexure beam theory and squeeze film damping are researched ; in fabrication, bulk micro fabrication process and surface micro fabrication process are researched and compared, then the structure parameters and layout of a 8 x 8 micromirror array are designed using summit foundry ; in analysis, analytical and numerical method are used to perform static analysis, modal analysis, transient analysis, frequency analysis and to characterize the farfield performance of this 8x8 micromirror array. finally, in order to realize large scale micromirror array with lower snap down voltage, advices are given for further research
在基本理論方面，通過對自適應光學，靜電力驅動，彈性梁理論和擠壓薄膜阻尼的研究，確定了微變形鏡的配置方案；在加工方面對體加工工藝， mumps工藝和summit工藝進行了研究與比較，並選用殘余應力小，表面質量好的summit工藝對8 8的微變形鏡陣列原型進行了結構設計與版圖設計；在分析方面主要對微變形鏡單元的靜態特性，模態特性，瞬態響應，頻率響應和8 8規模的微變形鏡陣列的遠場光學模型進行了研究，確定了微變形鏡的性能參數。 -
Based on this condition, this dissertation proposes a transient analysis and control method based on the wams process measurement
本文正是在這種條件下，提出了一種利用wams過程測量數據進行快速暫態穩定分析與控制的方法。 -
Boundary element method for pressure transient analysis of double - porosity reservoir
雙重介質油藏壓力動態分析的邊界元方法 -
The application of wu method in electric - magnetic transient analysis during power system short - circuit
吳方法在電力系統突然短路電磁暫態過程中的應用 -
In the paper, on the basic of a mature analysis theory of slope reliability, study on the combination of security coefficient implicit function and transient surface method is carried through
本文以現已成熟的邊坡穩定性分析理論為基礎，對穩定性系數隱式方程和響應面法結合進行了研究。
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