deformation distribution method 中文意思是什麼

deformation distribution method 解釋
形變分配法
  • deformation : 變形,走樣
  • distribution : n 1 分配,分發,配給;分配裝置[系統];配給品;配給量;【經濟學】配給方法,配給過程;分紅;【法律...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. The non - uniform deformation behavours and the movement of the weld seams, the wrinkling of the workpieces and the methods to control the non - uniform deformation were investigated by adjusting the die structures, the blank holding method and the blankholding force distribution

    通過調整模具結構和壓邊方法及壓邊力分佈,對坯料不均勻變形規律及焊縫的移動規律、坯料的起皺規律及控制坯料不均勻變形的方法進行了探討研究。
  2. All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering

    主要結論如下: ( 1 )以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交點位置為指標對軟弱夾層的分佈部進行了分類,並確定了軟弱夾層分佈距離; ( 2 )根據強度等效和變形等效的原則,引入了軟弱夾層影響帶的概念,建立了模擬軟弱夾層厚度的一種新方法; ( 3 )總結出了軟弱夾層分佈在拱頂、右拱肩、右邊墻時對地下洞室穩定性影響的量化指標; ( 4 )分析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標; ( 5 )總結出了在不同的側壓力系數( 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 )地應力場中軟弱夾層對穩定性影響的量化指標; ( 6 )得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化結果; ( 7 )根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾點新內容。
  3. Abstract : based on the result of visioplasticity test, the law of tube central upsetting was created, and the calculated method of displacement field and strain field were obtained. in this study, the four deformation modes were showed when ratio of height to thickness of tubular billet is greater than 3. the four modes were related to the distribution of strainless - plane

    文摘:根據管坯視塑性實驗法的實驗結果,分析了無芯軸支撐條件下,管坯中部鐓鍛的變形規律,闡述了變形區位移場、應變場的計算方法;通過對實驗結果的分析,得出了當鐓粗比3 ,管坯中部鐓鍛時,內壁呈現四種典型的變形模式;論述了分流面的分佈與四種變形模式之間的轉化關系。
  4. The main contents of this paper are following. ( 1 ) the mechanical models of ball bearings are set up by both the quasi - dynamic method and the finite element method in this paper, and then the load distribution of ball bearings is studied. the rules of the contact angle, the deformation, the stiffness and the limit rotational speed in different structure parameters and load parameters are analyzed

    本文圍繞航空發動機高速滾動軸承的力學特性,開展了以下工作: ( 1 )分別採用擬動力學法和有限元法,建立了滾動軸承力學分析模型,研究了滾動軸承的載荷分佈特性,分析了不同結構參數和載荷參數對其接觸角、變形、接觸剛度和極限轉速的影響規律。
  5. The overhead traveling crane used at a cold strip mill factory is given to study the deformation, stress distribution and load capacity of the main girder with 3d - fea shell - to - solid submodel method

    以某冷軋帶鋼廠橋式起重機偏軌箱形梁為例,採用三維有限元法「板到體子模型」技術,比較分析了加強板2種焊接方式下主梁的變形、應力分佈和承載能力。
  6. Secondly, in view of the limitation and shortage of traditional simulation of finite element approaches for bolt, a new composite grouted bolt element including nonlinear contacting relation will be built based on the above study of the mechanics mechanism of fully grouted bolt. then, an elastic - plastic finite element program will be developed for the analyses of tunnel stability, in which the composite grouted bolt element and nonlinear finite element analysis method will be used ; the patterns and the affect of main design parameters on the support effect of bolt will be analysed using the program, and conclusions of guidance importance for tunnel support design will be drawn. finally, simulation compution for the excavation and support of a highway tunnel will be made out using the above production, and the method of application of the program will be discussed ; analysis of the deformation, stress and distribution of plastic range will be done, and rational support plan will be worked out, which is of guidance importance for tunnel support design and the thery and technique of fully grouted bolt used in tunneling will be perfected further

    首先,本文在綜合分析隧道穩定性影響因素及失穩破壞模式的基礎上,對全長粘結式砂漿錨桿作用力學機理進行了深入研究,為全長粘結式砂漿錨桿的有限元模擬分析奠定了基礎;其次,針對傳統錨桿有限元模擬方法的局限性與不足,在上述全長粘結式砂漿錨桿作用力學機理研究基礎上,建立出能反映界面非線性粘結的新型復合砂漿錨桿有限單元模型;然後,運用上述復合砂漿錨桿單元模型,引進非線性有限元分析手段,開發了隧道支護穩定性分析的有限元程序,並就全長粘結式砂漿錨桿的型式與設計參數對支護效果的影響進行了深入探討,得到了對隧道支護設計具有指導意義的結論;最後,運用本文研究成果對某公路隧道工程實例進行了開挖與支護的模擬計算,探討了其應用方法,並就隧道變形與應力及塑性區分佈規律進行了分析,從而提出了合理的支護方案,為隧道支護設計提供了參考依據,完善了隧道全長粘結式砂漿錨桿支護的理論與方法。
  7. The key to calculate the moistening deformation is to work out the distribution of the water content. aiming to the collapsible accidents owing of leakage, this text establishs two - dimensional immersing model of collapsible loess and predicts the change of water content in loess subsoil. furthermore the text selects the stress path method to calculate the moistening deformation subjected to leakage, substituting compressing moduls for tangent moduls after taking cavity ratio and water content into account, putting forward the method to calculate the moistening deformation

    增濕變形的關鍵是研究含水量的變化,本文針對黃土地基由於漏水所引起的濕陷事故,建立了二維濕陷性黃土地基積水入滲模型,實現了對黃土地基含水量變化的預測,進一步選擇了分層總和法計算黃土地基增濕變形,考慮了含水量、孔隙比對模量的影響,以弦線模量取代壓縮模量,提出了計算增濕變形的計算方法,計算了由於漏水而引起的黃土地基增濕變形量。
  8. Based on analysis of the characteristics of the composite soil nailed wall, simulating the soil nail, concrete layer, deep mixing pile and step excavation, a model is established to calculate the deformation of the wall, compiled simple and applied program of one dimension fem ; according to the field test data and the calculated data by the fem software this paper has developed, the design method and deformation of the wall in xi ' an area is discussed. the shape of destructive sliding surface of the wall in loess strata in xi ' an area with deep groundwater is gotten. finally the lateral deformation distribution and the experiential formula to predict maximal horizontal displacement of the composite soil nailed wall are given

    針對復合土釘墻構造的特點,建立了模擬復合土釘墻受力變形的一種計算模型,該計算模型可對土釘、面層、深層攪拌樁以及分層開挖等進行簡化模擬;編寫了簡單實用的桿系有限元程序;結合工程實測資料及有限元法分析的結果,探討了西安地區的土釘設計以及復合土釘墻的變形規律,得出了西安地區一般黃土在無地下水時的破壞滑動面形狀,復合土釘墻的側向變形曲線以及計算復合土釘墻最大水平位移的經驗公式。
  9. Machining deformation of aircraft monolithic component is simulated by finite element method ( fem ) and validated by experiment. the initial residual stress in pre - stretched plate is generated by simulating quenching and stretching processes. with a single tool - tooth milling process fem, the machining loads in monolithic component material removing is obtained. restart - calculation is put forward to complete the whole simulation of machining process. to verify the fem result, an experiment is carried out. the deformation distribution of the monolithic component resulting from fem shows a good agreement with the experiment result, which indicates that the key technologies presented in the paper are practicable and can be used to simulate the milling process of monolithic component to predict its deformation. lengthy and expensive trial and error experiment process can be avoided

    在模擬淬火、拉伸過程獲得含有初始殘余應力的預拉伸板材以及模擬單齒切削過程獲得切削載荷的基礎上,提出並採用接力演算法,對一航空整體結構件的材料銑削過程進行有限元模擬,同時進行了試驗研究.結果表明,有限元模擬的整體結構件的變形與試驗具有一致性,從而證明提出的整體結構件加工模擬關鍵技術的可行性,避免了為研究加工變形而進行的繁瑣的試錯法
  10. Displacement method in structural mechanics and generalized grillage analogy method are combined to analyze skew support continuous curved t girder bridge, when calculating inner forces of a single curved beam, calculate its deformation, then at the base of basic principle of generalized grillage analogy, derivates calculating equations of load lateral distribution and inner forces of skew support continuous curved t girder bridge

    對斜支承連續曲線t梁橋進行分析時,採用結構力學的位移法與廣義梁格法相結合,在求解單根曲線梁內力的同時,求得其變形,在此基礎上利用廣義梁格法基本原理,進行荷載橫向分佈及內力計算,推導出斜支承連續曲線t梁橋的內力與荷載橫向分佈計算公式。
  11. The main contents of the paper are : ( 1 ) review the state and art for fiber - wound vessel with metal inner lining ; ( 2 ) provide a method to present the technical features including wound process, equal stress dome and fiber gathering at the dome etc. ( 3 ) establish a finite element analysis model considering nonlinear physical and geometrical effects and develop a equivalent constitutive relation for winding graphite fiber reinforced plastic layers ; ( 4 ) set up a failure criterion for the inner metal lining and winding graphite fiber reinforced plastic layers ; ( 5 ) develop a corresponding engineering analysis code based on the commercial software ansys ; ( 6 ) investigate the plastic deformation and residual stress in the inner lining due to winding tension and pre - tension, and stress distribution of the composite vessel under service loading case

    本文旨在為具有金屬內襯的纖維纏繞復合容器的參數設計提供分析模型、方法及工程軟體。論文主要內容是: ( 1 )對復合容器分析國內外研究的概述; ( 2 )復合容器的幾何表徵方法及工藝中若干力學問題; ( 3 )復合容器結構分析的物理和幾何非線性有限元列式及其纖維層的等效本構關系; ( 4 )復合容器的破壞類別; ( 5 ) ansys程序的二次開發; ( 6 )典型復合容器的數值討論。本論文工作將對工程界復合容器設計和分析工作者具有參考價值。
  12. A general matlab program for computing the 3 - d frictional elastic contact problem by boundary element method is compiled. the wire race - ball advancing contact problem is numerically calculated, the 3 - d distribution of contact stress and deformation is plotted and the evolvement of contact area is given

    採用matlab語言編制了三維摩擦型彈性接觸問題的通用邊界元程序,對鋼絲滾道?鋼球擴展型接觸問題進行了數值計算,得到了接觸應力和接觸變形的三維分佈以及接觸區域的大小。
  13. Stress and deformation was calculated with the distribution to predict the security of structure where fem is used. with calculating in method of fem, the paper gives some advice on how to design structures of ship launching

    將墩木支反力按照上述分佈形式加載到三維有限元模型上進行計算,得出結構的應力響應和變形,然後校核是否滿足要求,對下水船局部結構的安全性進行預報。
  14. This method can be briefly summarized as follows : based on the reconstruction of the process of formation of related ore deposits and construction of metallogenic models, reconstruct some important ore - forming geological events and their evolution processes are reconstructed by tracing the tectono - deformation petrofacies in the ore sources series, study the distribution patterns of ore materials in a series of geological events and indicators and degrees of gradual ore material concentration and formation of ore deposits and further explore and direct evaluation of regional resource potentials, mapping and mineral exploration in ore deposit concentration areas

    成礦地質事件評價方法,就是在恢復礦床形成過程並建立成礦模式的基礎上,通過對礦源巖系的構造變形巖相形跡追索來恢復與成礦有重要意義的地質事件及其演化過程,研究在這一系列地質事件中成礦物質的分佈規律和逐步富集成礦的標志及程度,並用以進一步探索、指導區域資源潛力評價和填圖找礦的方法。
  15. In this paper, according to the basic concepts of both moment distribution method and shearing force distribution, the frame deformation is divided into two parts : active one and passive one when internal force of frame structure is analyzed

    摘要依據彎矩分配法和剪力分配法中的基本概念,在進行剛架結構內力分析時,將剛架變形分為主動變形和被動變形。
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