弦向載荷 的英文怎麼說

中文拼音 [xiánxiàngzǎihé]
弦向載荷 英文
chordwise load
  • 載 : 載Ⅰ名詞（年） year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 荷 : 荷名詞（蓮） lotus
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. On the basis of the theory of thin shells and the non - moment assumption, the equations of the motion of the conical shells under lateral cosinoidal loading are derived in the case of ignoring shearing stress

    基於薄殼理論和無矩假定，在略去剪切應力的情況下推導了圓錐殼在側向餘弦載荷作用下的運動方程，並採用半解析差分方法進行了數值求解。
  2. At first, some advances in the research of dynamic response of cylindrical shells and conical shells are reviewed, and those approaches for studying such kind of problems are summarized here as well. the main objects studied in this paper are the transient response of cylindrical shells under longitudinal line - loading and that of conical shells under cosinoidal impulsive loading

    首先回顧總結了圓柱殼和圓錐殼動力響應的研究進展情況，並簡單歸納了該類問題研究的方法，確定了本文的研究對象主要是縱向線載荷作用下的圓柱殼瞬態響應和餘弦沖擊載荷作用下的圓錐殼瞬態響應。
  3. Following, using the experimental methods, the dynamic response of the stiffened conical shells under cosinoidal impulsive loading is studied. the changes of dynamic response of points along circumferential line of the conical shells are analyzed, and the characteristics of dynamic response of points are studied by both the time - domain analytic method and the frequency - domain analytic method

    採用實驗方法研究了加筋圓錐殼在側向餘弦載荷作用下的動力響應，分析了沿環向各點的響應變化，並從時域和頻域分析了它們各點的響應特性。
  4. The dynamic response of cylindrical shells and conical shells under radial non - uniform impulsive loading has an important application in the filed of military and civil engineering. in this dissertation, the problem of transient response of the cylindrical shell under longitudinal line - loading and that of the conical shell under cosinoidal impulsive loading are studied, and some useful conclusions that have important significances in both theoretic studies and engineering applications are obtained

    圓柱殼和圓錐殼在側向沖擊載荷作用下的動力響應具有重要的軍事和民用工程背景，本文對縱向線載荷作用下的圓柱殼瞬態響應問題和餘弦沖擊載荷作用下的圓錐殼瞬態響應問題進行了研究，取得了一些具有重要理論意義和實用價值的研究成果。
  5. The static behavior under vertical loads of kiewitt ' s suspen - dome was analyzed on the initial state. moreover, the behavior of suspen - dome and single - layer lattice shell are compared. the influence of kinds of parameters is studied

    本文對初始態下的kiewitt型弦支穹頂結構在豎向荷載作用下的靜力特性進行了深入分析，並同單層網殼結構靜力特性進行比較；為了掌握各個參數對靜力特性的影響程度，進行了參數分析。
  6. Two types of seismic calucation methods that are response spectrum analysis and time - history analysis are used to analyze the seismic response of kiewitt ' s suspen - dome under lateral seismic action and vertical seismic action. the result obtained by above - mentioned methods and the code method are compared. genetic algorithm method is proposed to optimize the prestress of suspen - dome

    本文採用振型分解反應譜法和時程分析法兩種方法，對kiewitt型弦支穹頂預應力結構的水平和豎向地震作用下的地震效應進行計算分析，並同現行的規范和規程的規定方法一10重力荷載代表值簡化法計算結果進行了比較分析。
  7. The theoretical deduction in chapter 3 shows that the shape of load distribution used in the arithmetic is a decisive fact of the error margin size, the more the adoptive shape looks like the actual case, the smaller the error margin will be, therefore the tilt parabola shape can instead of the actual shape of load distribution in the permissible error margin when we predicting constant loading noise caused by the tail rotor of helicopter

    在第三章中通過理論推導和計算比較發現，在預測直升機尾槳定常載荷噪聲時，其誤差大小取決于演算法中槳葉弦向載荷分佈的數學描述與實際弦向載荷分佈的吻合程度，而選取一種與實際弦向載荷分佈較為相似的斜拋物線形來預測噪聲所導致的誤差是很小的。
  8. The characteristics of dynamic response of points along generating line and circumferential line of the cylindrical shells are analyzed, and the effects of l / r ratio on the dynamic response of the cylindrical shells under line - loading are considered as well

    分析了沿母線方向和環向各點應力響應的特點以及結構長徑比對應力響應的影響，在此基礎上比較了沿環向呈單餘弦分佈和雙正弦分佈載荷的應力響應。
  9. Based on the minimum potential energy principal, the influences of three loads, which are concentrated force, trapezoidal load and sinusoid load, over shear lag of cantilever single - box - single - cell box girder are deducted and discussed, and a conclusion is reached, which has some instructive significance for designer to determine the sectional dimension and reinforcing bars ; the bending normal stress changes greatly as considering the shear lag effect

    以最小勢能原理為基礎，推導並討論了3種形式的荷載：集中力、梯形荷載、正弦形荷載對懸臂單箱單室箱形梁剪力滯的影響，得出考慮剪力滯效應后彎曲法向應力有較大變化的結論，對設計人員確定截面尺寸、截面配筋具有一定的指導意義。
  10. Then we also study the effect of string on the dynamical characteristic under the symmetric load and not under the symmetric load as the prestressing is the key making beam string structure the balanceatie system, having large rigidity and embodying the superiority of dynamical characteristic of this structure, this paper studies and conceives how to deteimine the number of the prestressing in each stage of construction and through comparing between the plan of onetime and repeated pulling construction choose the suitable pulling construction plan

    並且本文還研究了在對稱荷載和不對稱荷載兩種工況下，結構的受力性能隨豎向撐桿數目、結構垂跨比以及下弦索預應力等參數改變時的變化情況，總結出該結構受力方面的特徵，為實際工程設計提供依據。鑒于預應力是使張弦梁結構形成自平衡體系、具備較大剛度和體現結構性能優勢的關鍵，本文研究和探討了結構施工各階段該預應力大小的確定方法，通過一次張拉與二次張拉方案各項指標的比較，選擇適當的預應力張拉施工方案。
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