準穩態響應 的英文怎麼說

中文拼音 [zhǔnwěntàixiǎngyīng]
準穩態響應 英文
quasi-steady-state response
  • : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 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
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  1. On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account

    本文在研究碾壓混凝土重力壩漸進破壞過程和可能失方式的基礎上,提出了以彈性臨界作為定臨界則的設計極限狀,分析了按該則設計的大壩的實際工作狀,導出了以彈性強度儲備系數為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式,探討了定量計算考慮各種因素影的相設計安全系數的合理取值,並與現行規范方法進行了比較
  2. This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces

    本文針對長江三峽庫區特殊的地質環境與工程實際情況,在充分考慮水對庫岸滑體定性影的前提下,提出了一個適用於長江三峽庫岸滑坡體定性分析的綜合分析評價體系,並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果: ( 1 )研究結果發現,水的活動是新滑坡形成或古滑坡復活的主要因素,一方面是由於地下水位升高降低了滑坡體的有效力,另一方面是由於地下水的長期浸泡降低滑體及滑帶的力學強度,這兩方面的因素均將直接降低滑坡的定性; ( 2 )針對三峽庫區的特殊條件,系統分析了作用於三峽庫區滑坡體上的力系和庫水位在175m與145m間變化時滑體條塊的受力變化,從而使對作用於滑坡體上的力系分析更科學、更全面; ( 3 )通過對滑體處于旱季(天然狀) 、雨季(暴雨或長期降雨狀) 、 175m庫水位、地震以及庫水位由175m調節下降至145m等各種不同情況的有機組合,本文系統地歸納總結出了10種典型計算工況,並具體給出了相的作用荷載的計算方法,使在庫區岸坡滑體定性分析評價時對計算工況選擇及其作用荷載的計算更具規范性; ( 4 )具體運用c + + builder開發了關于滑坡體定性綜合分析評價系統,使對滑坡體定性分析計算更方便、更確; ( 5 )將上述滑坡體定性綜合分析評價系統用於重慶市豐都縣名山滑坡定性分析的具體事例中,分析結果表明,本文所提出滑坡體定性綜合分析評價方法對三峽庫區的滑坡定性分析是實用可行的。
  3. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中,模擬結果表明,保壓時間是影製件成形質量的關鍵因素之一,擠壓速度、液金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影也很大,需進行參數之間的協調,只有當變形區內部始終維持時,才能實現定的液-固擠壓成形過程;在變形場的模擬中,根據液浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘塑性有限元計算模型,研究了變形過程中變場的變化規律,研究了模角對變形和金屬流動的影及變形力的變化過程和其影因素。
  4. 3. according to the principle of the finite element method, the research establishes finite element models of the vibration transportation mechanisms, some model parameters such as the frequency and vibration type are confirmed and validated by the modal analysis, then which analyzes dynamic - state response of the model and confirms the swing distributing of the models, thereby make the design of models precise. 4

    根據有限元法的理論,建立振動機構的有限元力學模型,對該力學模型進行模分析,通過模分析確定拋秧機振動形和所需的頻率等參數;然後此基礎上再進行力學模型的分析,研究該模下機構的振幅分佈,以確定模型設計的確性。
  5. Abstract : clibrating turbine flow meter is traditionally static meter - factor. this thesis introduces the theory and practice method of calibrating the dynamic character of turbine flow meter

    文摘:渦輪流量計傳統上只進行,即只校其()儀表系數。本文闡述了校渦輪流量計動特性的理論和實施方法。
  6. In this paper, a image processing method has been presented, with this method mean temperature of testing object can be arrived at from infrared picture and the interior temperature gradient of the test pieces in the situation of transient heat transfer can be got. unsteady - state heat transfer mechanism of wall has also been studied in this paper. on the basis of theoretical analysis and experimental study we can get such conclusions : infrared testing of energy conservation of buildings is rapider and more accurate than heat - flow meter method which is popular at present ; heat transfer mechanism in the situation of unsteady - state heat transfer has been analyzed through experiment ; the interior layers ’ temperature of the test pieces ascent in company with

    本文在理論分析和試驗研究的基礎上得出以下結論:本文研究的紅外檢測建築節能的方法比目前存在的熱流計法更快速、更確;用試驗分析了墻體在非傳熱情況下的傳熱機理;試件各層溫度隨著受熱面環境溫度的上升而上升,只是上升的程度不同,時間不同,這是由於試件內部有一個蓄熱過程;通過傳熱理論和建築熱工計算推導出了非傳熱情況下的傳熱系數的計算公式;本文用matlab進行紅外圖片的處理,進而得到被測物的平均溫度;用數據處理軟體擬合溫度熱流。
  7. The laser beam treated as a linear reference is used widely in the manufacture and measurement equipments, due to its many advantages, such as high brightness, good directivity, and good coherence etc. but the further improvement of the laser directional stability accuracy is restricted by some factors, such as the environment etc, which restrain the application greatly in the ultra - precision manufacture and measurement equipments

    激光光束由於其亮度高、方向性好、相干性好等優點,常被作為直線基廣泛用於加工和測量設備中。但由於受環境狀等因素的影,制約了激光方向定精度的進一步提高,限制了激光在超精密加工和測量設備中的進一步用。
  8. In the research of non - liner variable control methods, the paper brought forward a kind of variable structure control machine with time - changing, non - liner, " standard time optimization " on - off super curved surface. the automatic system designed had quick dynamics - respondence, little, powerful robu

    在非線性變結構控制方法研究中,本文提出了一種具有時變、非線性、 「時間最優」開關超曲面的變結構控制器,由此所設計的控制系統動速度快,超調小,魯棒性強,無誤差。
  9. At present, limit equilibrium method is one of the conventional slope stability analysis methods. it ca n ' t consider nonuniformity of mechanical characteristic of landslide body and its rock bed and the effect of stress distribution on the gilding surfaces, since the rigid body assumption is adopted in this method. furthermore, this method ca n ' t accurately consider inactive forces between slices

    目前常用的邊坡定分析方法中的極限平衡法由於採用了剛體假定,無法考慮塌滑體及其基巖力學特性的不均勻性和滑動面上力分佈的影,此外還不能確考慮條塊間的作用力,而另一種常用的邊坡定分析方法? ?常規有限元分析方法,當滑動面全部處于屈服狀或邊坡的實際抗滑定安全系數小於1時無法求解。
  10. ( 5 ) using the method apd, it select a new drive signal s = x1 - cx3 to synchronize the response system, the theory analysis and numerical simulation results show that it can synchronize two hyperchaotic systems completely with the drive signal s = x1 - cx3, comparing with the method of selecting signal in literature [ 114 ], with the drive signal s = x1 - cx3, it can shortens the transient period of synchronization ( 6 ) using the outside standard signal to control 4d oscillator hyperchaotic system, basing on the stability theory, constructing the following lyapunov function it gets the controller as following : the theory analysis and numerical simulation result show : using the controller above, it can control the system to reach any desired stable point and period orbit

    ( 5 )採用apd方法,選取新的驅動信號s x1一ex來同步系統,理論分析和數值結果表明:採用本文的驅動信號可以使兩個超混飩系統同步,和文獻1141相比,採用本文的驅動信號可使同步暫過程更短。歷)利用外部標參考信號個和o來控制振子超混燉系統,基於定性理論,通過構造l ) apunov函數, kgb ( xz4l4 ) 『 n ) l小t4 xzcko k0卜ro 』十個n xsn n一大0 『得到控制器表達式如下: u ; zr zr 。 ( 1 b ) 』 x 。
  11. Continuing health monitoring or regular condition assessment of important bridges is necessary to ensure that the bridges function well. in order to do that, a baseline finite element model of the target bridge is often indispensable not only for complex dynamic response analysis ( such as seismic analysis, wind - resistant stability analysis, train - bridge vibration analysis and so on ), but also for health monitoring of the bridge

    對于大型重要橋梁來說,無論是對其進行復雜分析(如地震分析、抗風定性分析、車橋振動等方面的動力分析) ,還是進行長期監測和健康狀評估,一個確和有效的「基」 ( baseline )有限元模型都是不可缺少的前提。
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