穩態加載 的英文怎麼說
中文拼音 [wěntàijiāzǎi]
穩態加載
英文
steady-state loading-
Because uav is smaller and lighter than normal plane, the miniature aerial rs system is easily effected by wind, its " stabilities of position and stance are not good. because the load of uav is so finite, the large professional aerial photogrammetry camera can not be installed
微型無人機遙感由於受到無人機平臺體積小、重量輕、任務載荷有限等因素的制約，在飛行作業中傳感器位置和姿態受氣流影響大、穩定性差，而且目前是非專業攝影機成像，這些都大大增加了其影像幾何糾正處理的復雜性。This test is based on homogeneous soil in foundation, and divided into two phases. the first is to stimulate the construction flow to excavate the pit ; the second phase is destructive test. because the pit is stable in the first phase and the research is point to the geometry shape of the failure surface, moreover, limited to the test condition, the effective surface force is applied to the pit
此次模擬試驗主要是針對簡單均質的基坑土層進行研究，試驗分為兩個階段，第一階段主要是以相似工況模擬基坑開挖，第二階段主要是破壞性試驗，即由於在第一階段基坑在開挖范圍內能夠自穩，為使基坑達到破壞狀態以研究滑面幾何形態，限於試驗條件，採用「等代面力」的方式施加超載。For landside correction in excavation project, this paper is based on the stress remolding method and commences to analyze the slope in excavation project : apply loads to the slope and reset the slope in an original stress and make it work like before excavation
對于開挖邊坡的滑坡問題，本論文根據應力重塑的方法對開挖邊坡進行處理，在坡面上施加荷載，使得邊坡土體恢復到未開挖的穩定應力狀態；並且利用大型有限元軟體ansys來進行等效應力分析。Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled
（ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。Then, the effect of force on changing stable equilibrium situation of four - bar compliant mechanisms is discussed. at the same time, multi - stability compliant mechanisms are discussed
對于用於改變柔性機械穩態位置所施加力的確定進行了詳細的分析，並結合實例對載荷作用過程進行了計算。This kind of instability bulk movement is induced by wave cyclic loading, as a result the slope of bottom bed decrease, water depth increase, and instability bulk movement has the character of subregion, regularity and head erosion, thus it will influence evolvement of region of interest landform, and change flow field and bottom stratum condition continually, so will lead to dynamic influence on structure foundation soil
這種不穩定塊體運動由波浪循環荷載誘發，其結果使底床整體坡度減緩，水深加大，而且不穩定的塊體運動具有小區域、多發性和溯源侵蝕的特點，將繼續影響著海域以後的水深地形的發展演化，並不斷改變著該區的流場與底床地層條件，對構築物地基土的穩定性產生著動態的影響。In this paper we study the transverse stiffeners of the thinned - web beam bearing several concentrated longitudinal strain actions. thinking of using post - buckling strength of web plate, we study some facts about tran sverse stiffeners including strain ability, condition of breaking, calculation of strength and stabilization of the stiffener bearing regional load action
本文對受多個集中荷載作用的薄腹板梁的橫向加勁肋進行了研究，分析了利用腹板屈曲后強度時，橫向加勁肋的受力狀態、破壞機理，以及加勁肋局部承壓的強度計算公式和穩定計算方法。There is a slight drop of the fcpr when the specimen s thickness increases. however, the thickness of the specimen exerts a great influence on kth and fatigue life ( n ) : the thicker specimen is, the higher fatigue life ( n ) becomes, and the greater kth shows. under control of the same conditions, the fcpr of am50 is not so high as that of az91. there are some correlations between load ratio ( r ) and the fatigue surface : when load ratio becomes great, small flat surfaces increase while dimples decrease
試樣厚度增大，穩態裂紋擴展速率略有減小。但是，試樣厚度影響試樣的疲勞壽命和門檻值：試樣越厚，疲勞壽命越長，門檻值越大；在試樣尺寸和加載條件相同的情況下， am50的疲勞裂紋擴展速率較az91小，疲勞壽命則比az91長。載荷比r影響試樣的斷口形貌：載荷比r越大，對應相同k值出的斷口小平面越多，韌窩越少。The primary measures for control precept are : sufficiently and effectively utilizing the the air compressors " interior data, realizing online surveillance and alarming for failure of the the air compressors " running interior parts ; letting the air compressors running by master and slave manner, by reasonable arranging the alignment of the air compressors, making the masters yielding pressed air and the slaves adjusting the pressure of the air. this decreases the times of loading and unloading greatly and the decreased failure of air compressors and low maintain ; at the same time we adopt abundant value of the set pressure for stabling the compressure. the air compressors become loaded or unloaded ahead by the abundant value ; caning unloading control for saving power, when the air compressors get along with unloading for a while, the system will stop them ; consummating the purposes for control, enhancing offline control for over - press and low - press, continual loading control and unloading control
經過分析研究，針對原來存在的問題，在控制方案上主要的改進措施有：充分、有效地利用了空壓機的內部參數數據，對空壓機的內部部件的運行情況實現了在線監視及故障報警；對空壓機採用了主、輔結合的運行方式，通過對空壓機加、卸載隊列的合理排序，使空壓機自動實現主機產氣、輔機進行氣壓調節，減少了空壓機的加載和卸載次數；在壓縮空氣壓力的穩定上進行了裕量控制，在壓縮空氣壓力不到供能品質所規定的上、下根就根據一定的裕量提前進行卸載和加載操作；在節約電能方面對空壓機進行了卸載停機控制，當空壓機在一定時間內一直處于卸載狀態，系統就認為該空壓機沒有運行的必要，自動將其停機；完善了控制效果，增加了超壓低壓脫網控制、連續加載控制、連續卸載控制等功能。The static loads were placed step by step in time sequence in order to simulate the construction conditions of the dam during the calculation. the results of the analysis show that excess pore water pressure would not appear in the design section during the analysis results that the dam was statically stable and the construction process was reasonable
在靜力分析過程中採用在時域上逐步加載的方法，模擬了壩體的施工填築過程，計算結果表明，設計斷面在貯灰過程中不會產生很高的超靜孔壓，壩體靜力穩定狀態較好，施工進度合理。Earthquake and wind ), because of the damping matrixes of the two structures " motion equations are both non - classical, the dynamic equation ca n ' t be decoupled by the traditional real - mode analysis ( the mode - superposition method ). though, in this thesis the complex - mode analysis is used to solve the stationary and non - stationary random earthquake response of structures and their analytic expressions are got. on the basis of these expressions, the optimal parameters of the two structures " isolation & seismic decrease equipment are analyzed
目前，基礎隔震結構、 「加層減震」 （ tmd減震）結構正逐步應用於工程實際，由於這兩種結構在動力荷載（如地震、風）作用下動力方程中的阻尼矩陣為非經典情形，傳統的實模態分析方法（振型分解法）不能使動力方程解耦，因此本文運用復模態分析方法求得了結構在平穩和非平穩隨機地震激勵下結構隨機地震響應的解析表達式，在此基礎上進行了基礎隔震和tmd減震裝置參數的優化分析。The fundamental failure modes of cfst arches are loss of stability and loss of material strength. the process of a cfst arch from initial loading to the arrival of ultimate load - capacity before failure is a process of complicated nonlinearity
鋼管混凝土拱的破壞形態主要有失穩破壞和強度破壞，拱從開始加載至達到破壞前的極限承載力的過程是一個復雜的非線性過程。Through these studies and analysis, following conclusions could be drawn : ( 1 ) it is necessary to study on harness engineering of landslide and dangerous rock since the main representations of this geological hazard are landslide and dangerous rock through geological investigation ; ( 2 ) it can be concluded though stability analysis that the dingzhuang landslide is stable naturally, which is identical to the in - situ investigation ; ( 3 ) through stability analysis, the landslide would slide if the water level dropped down from 175. 10m to 156. 0m and it rained successively after the three gorges reservoir work. ( 4 ) according to the results of calculation and the characteristic of the landslide, it is suggested that such measures as unloading at upper part, anchorage and pile supporting system and drainage system should be used on the landslide. ( 5 ) according to geological investigation, there are three kinds of dangerous rock in the engineering, those are failing - down rock, collapsing rock and sliding rock
因此有必要對滑坡進行治理； （ 4 ）根據滑坡推力計算結果和本滑坡屬牽引式滑坡的特點，滑坡體上部相對較穩定，中下部處于基本穩定或不穩定狀態，因此建議此滑坡治理採用上部削坡減載與錨拉抗滑樁、擋墻進行支擋結合的處理方法，同時結合截排水等措施進行綜合治理； （ 5 ）根據地勘資料，通過對危巖體的形態、規模、基座和底界層及分佈特點和分析，將本工程危巖體失穩崩塌的方式歸納為墜落式、傾倒式和滑塌式三種類型並分別提出相應的穩定性計算方法； （ 6 ）分別對本工程中的危巖體進行了穩定性計算，並且發現其都處于不穩定狀態，因此根據實際情況分別提出相應襯砌支撐和清理等加固治理措施，最後還對加固后的危巖體進行了校核計算，滿足要求。The simulation results indicate that the algorithm is suitable for the speed regulation of srm. within a wide speed range the system has a good regulation character and a high precision of steady state, also the system can well constrain the disturbance of the load torque varying
模擬結果表明，採用本演算法構成的sr電機凋速系統在整個調速范圍內具有良好的調節性能及穩態精度，對負載轉矩的變化造成的擾動輸入能夠很好的加以抑制。Analysis of a great many data shows that some strong earthquake will arouse seismogenic zone loading and bring the increase of stress, accelerate accumulation of nonlinear strain of medium. it will make the earthquake source rupture of high stress status in unsteadiness in advance, which resulting the proceeding earthquake occur in advance
表明：某次強震活動可以引起某些孕震區的加載，介質非線性應變積累加速，使處于高應力狀態的震源失穩提前進入不穩定狀態，后續強震提前發生，即強震之間存在著時間、空間上的關聯性。On the base of the fujian power system that has the special configuration of " large power generator with small power system " in 2000, constructs power system models of fujian and fujian interconnected with other parts, does a lot of calculation and analysis and simulation, researches the security mechanism and rule of the fujian special power system interconnected with large power system. the above connection can keep security and stability and can make obvious benefits, but when the transmission power reach to excessive quantity the main power grid will increases interconnected flow - in or flow - out exchange power load. the power operation state tended to instability ; the infirmable interconnection make s the damp infirmable
本文以2000年前後具有「大機組小電網」特殊結構的福建電力系統為背景，建立了福建電力系統及其與外部互聯的數學模型，開展大量的模擬計算分析，研究了「大帆組小電網」電力系統與大容量電力系統互聯偏弱的安全穩定性的機理和規律：前述互聯可以安全穩定運行，取得顯著效益，當傳輸功率達到一定量后，主網架增加了送出或吸收互聯交換功率的負載，系統運行狀態向穩定性水平有所下降的方向轉移；聯絡偏弱使阻尼偏弱，聯絡線小幅低頻振蕩和大幅低頻振蕩易被激發，聯絡線一旦重載斷開，系統高周或低調嚴重。This model is consist of three stage switchboard, and 8 nodes. this general simulation soft can simulate the stable state and all sorts of transit state ( fault
該通用數值模擬程序能夠進行的穩態模擬，以及各種暫態（故障、突加突卸負載、並車等）過程模擬。Water is the most important element, based on this view of point, in order to use rationally water resource and bring into play man ' s efforts, ecological construction plan is put torward depending on the views of landscape ecological principles and methods. the main tasks of landscape ecological construction are river corridor construction, vegetation construction and oasis construction. as a result, capacity and stability of eco - system are strengthened in continental river basin in arid zone
由於水是乾旱區內陸河流域的關鍵因素，為了合理利用水資源，積極發揮人的作用，從景觀生態學理論與方法的角度，提出了以河流廊道建設、植被景觀建設、綠洲景觀建設為核心的生態建設方案，以增加內陸河流域整個生態體系的容載力和穩定性。Guarantee the safety of this project. this experiment focus on the failure mode and the ultimate bearing capacity of these columns. besides, this experiment also study the rule of the development of the deflection, the crack, the strain and the stress with the process of this experiment.
通過此次試驗重點研究重慶大劇院縱向框架細長柱的破壞形態（是強度破壞還是失穩破壞）和極限承載能力，同時研究構件的變形、裂縫、應力應變隨加載的發展變化規律及其破壞過程，為本工程及今後此類細長柱結構體系的設計提出一些有益的建議。Before rock failure, it is found that ae distributed densely, and the coming fracture will occur in the density center of high magnitude events, and ae ratio of frequency grows greatly. these precursors can be presented by the change of b value, a t value and the contour of v value. prefab crack systems in the specimen will affect the fractures hi rocks
關于巖石破裂過程中一些物理量的變化，發現在巖石破裂前，主破裂發生的區域先出現大能級聲發射的密集分佈；在巖石加載的臨界狀態，大能級的聲發射數量大量增加；在接近臨界時，大能級聲發射事件在失穩前頻度突然加快。分享友人