rotation stress 中文意思是什麼
rotation stress
解釋
旋轉應力-
By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper
本文結合常州新閘防洪控制工程水工模型試驗，系統分析了浮箱門在靜水和動水中的穩定性及其影響因素，指出靜水穩性和動水穩性的不同特點；試驗測定了浮箱門動水運行時的受力情況，給出並分析了定位過程轉動力的變化過程曲線；根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系，選擇合理的動力設備，為設計和工程實踐提供可靠依據；分析浮箱門難以穩定上浮的原因，並給出解決方案。 -
Rotation - cavitation mechanism was outlined based on the experiment results and the essential conditions for the occurrence of auxetic properties in polyolefin blends were concluded as followed : firstly there must be at least two phases, the matrix can be soft materials which were able to be networks when being stretched, as well as suitable consistence must be provided between two phases. fracture stress work measurement was optioned to characterize the force between two phases. finally, the auxtic property repeatability of the blends was measured and the fact that the auxetic property could only occur in the elastic range was certificated by the result that only the specimens which were stretched for 5s, 10s had repeatability after being retained for 1 months
實驗工作的最後一部分研究了體系負泊松比效應的可重復性，選取穩定的負泊松比共混體系在測試數據採集時間為55 、 105 、 155 、 205條件下進行測試，將樣條放置l天、 10天、 30天進行測試，測試結果表明，在5s 、 105條件下測試的試樣在放置一個月後泊松比測試結果具有可重復性，證實了體系的負泊松比現象發生在材料的彈性形變范圍內。 -
The innovation of multiple mechanism boundary surface plasticity model is that the effect of rotation of principal stress axial directions and large shear displacement of sand in the earthquake induced liquefaction are taken into account at the same time in the model
獨到之處在於所建立的多機構邊界麵塑性模型能夠同時考慮土體在復雜荷載作用下主應力軸旋轉的影響和砂土地震液化時剪切大位移特性。 -
Thermal stress control system actually gather the real - time data of unit sets ， compute temperature fields ， stress fields and maximum dangerous stress by the math modal ， decide target and speedup rotation in every stage of startup process ， and justify automatically to realize auto control a serial of processes of turbine ， such as speedup ， warm - up ， connecting net ， load changing ， stop and unsteady condition etc ， and improve automatic level of the unit sets. turbine auto startup ( tas ) system can automatically evaluate steam turbine ' s startup and load changing process according to thermal stress of
熱應力控制系統實際是對機組運行參數進行實時採集與監控，通過數學模型實時地計算高、中壓缸轉子的溫度場、應力場分佈，以及最危險熱應力，以確定啟動過程各階段的目標轉數及升速率，並進行自動調整，實現機組沖轉、升速、暖機、並網、升負荷、停機以及異常工況下的自動控制，大大提高了機組的自動化水平。 -
The variation of regional stress field can be genetically interpreted by the rotation speed variation of the earth and its impact on the movement of lithosphere plate and deep processes of the earth, it is also related to the earlier structural feature and boundary of the basin
區域應力場變化可以用地球自轉速度變化引起的巖石圈板塊活動及觸發的深部過程來解釋，亦與先期構造形跡和盆地邊界條件有關。 -
The theoretical analysis shows that mz - ifog can be used to detect the rotation rate of moving objects. a systematic analysis of transfer characteristics of mz - ifog is made. performance - limiting factors, including the path - length difference, the disturbance of temperature fluctuation and stress from working environment, the quality of light source, are all discussed along with methods to reduce their effect on the output signal
本文用系統的方法分析了mz型干涉式光纖陀螺儀的光傳輸特徵，指出了其較大的非互易性因素-臂長差的存在，分析了工作環境因素（溫度，應力） 、光源質量（輸出光束中心波長、光功率波動及偏振態波動）對系統工作性能的影響，並指出了減少系統非互易因素、抑制噪聲、提高檢測穩定性的措施。 -
It analyses the influence of, dilatancy, rotation of soil cell ' s principal stress, pore water pressure and the damage softening. the author puts forward a critical value of 0. 01d - 0. 02d to judge the pile - soil slippage
分析了c 、的異步發揮，土的剪脹性，土單元主應力方向旋轉，孔隙水壓力以及損傷軟化對側阻發揮的影響。 -
This paper uses the method of tensor to proof the tenable condition of generalized plastic potential, discuss the mathematical essential of the associated and disassociated flow rule and the relation of the yield surface and plastic potential surface, reason the expression of plastic factor strictly. debate the limitation on drucker ' s postulate. subsequently, this paper gives the mathematical basis of constitutive theory involving the rotation of principal stress axes. so it is proved that the mathematical and mechanical foundation of the generalized plastic mechanic
本文運用張量的方法論證了廣義塑性位勢理論成立的充要條件，討論了關聯與非關聯流到法則的數學實質，屈服面與塑性勢面的關系，嚴密推導了塑性因子的表達式，討論了drucker公設的局限性，並給出了考慮主應力軸旋轉時土體本構模型理論的數學依據，系統的論證了廣義塑性力學成立的數學力學基礎。 -
Some problems from the principal stress axis rotation experiment with hollow cylinder apparatus are analyzed in detail herein ; which consists of three aspects, such as the preparation of the hollow cylinder sample and the acquisition of the isotropic one ; the estimation and elimination of the size effect and the end effect in the experiment ; and the membrane penetration effect on both the drained and the undrained tests results, etc
摘要詳細分析了採用空心圓柱儀進行主應力軸旋轉試驗遇到的若干問題，主要包括三個方面：空心圓柱試樣制備及各向同性試樣的獲得；試驗中尺寸效應、端部效應的考慮與消除；空心試樣膜嵌入效應對排水、不排水試驗結果的影響等。 -
To analyze the stress performance ( moment - rotation relationship ) of semi - rigid beam - to - column connections in steel structures, we can build an analysis model based on 3d finite element method
摘要分析研究鋼結構半剛性連接的受力性能（彎矩轉角關系） ，可以採用實體有限元建立分析模型。 -
The model can reflect the multi - sets feature of the rock masses in practice, consider the influence of the joint orientation and strength to the rock masses deformation feature, and simulate the simultaneous sliding, tension and close behaviors of the multi - sets jointed rock masses extending the joint surface, and reflect the plastic deformation induced the rotation of the principle stress axes. the result can be extended to fractured rock masses with arbitrary set joints
該模型能反映實際工程中巖體的成組節理特性，考慮節理產狀和強度對巖體變形特性的影響，可用來模擬巖體中多組節理同時存在滑動、張開、閉合的行為，並能反應由於應力主軸旋轉所產生的塑性變形的影響。 -
The numerical results show the validity of the model and the effect caused by the yield surface and the rotation of principal stress axes on soil deformation. lastly, the relative results are got by the comparison and analysis
同時，依據兩個算例，分別研究了主軸旋轉和選用不同本構模型（雙屈服面模型、三屈服面模型）對土體位移和應力的影響，得到了相應的結論。
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