strain and stress 中文意思是什麼

strain and stress 解釋
應變和應力
  • strain : vt 1 用力拉,拉緊,抽緊,扯緊。2 使緊張;盡量使用(肌肉等)。3 強迫,強制;濫用,盡量利用。4 拉傷...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • stress : n 1 壓力,壓迫,緊迫,緊張。2 【語音】重音;重讀;【詩】揚音;語勢,著重點。3 重要(性),重點,...
  1. Tensile tests of carbon filament yarn shows at high strain rate that the mechanical behavior of carbon fiber bundles are insensitive to strain rate, i. e., the failure stress strain and elastic modulus are not increased with the rising of strain - rate. however, the fractograph of carbon fiber is rate - dependent. the fractograph of carbon will become smooth from coarse as the strain rate increases

    通過對碳纖維束的沖擊拉伸試驗表明,雖然碳纖維束的力學性能與應變率基本上是不相關的,即隨著應變率的增大,碳纖維束的初始模量、破壞應力及其失效應變都變化不大,但碳纖維束的破壞斷口與沖擊拉伸實驗的應變率密切相關。
  2. Fourth, the paper treats two kinds of hoisting projects of high alititude construction in bulk and member assembly, hositing machine and plan layout, setting up scaffold and joints, and installing trunks, branches and joints etc. then in detail discusses the method which applys total station to measure three - dimensional coordinate of dendriform structure, including selecting survey sign points, creating survey system and converting survey coordinate system etc. the paper also deep research on the welding performance, welding method, welding process, welding stress and control, welding strain and rectification, weld defects analysis and weld quality inspection, and so on complicated heterogeneity steel weld proplems

    接著系統的論述了高空散裝法和分單元安裝法兩種樹狀結構吊裝方案,樹狀結構吊裝機械及平面布置,樹狀結構胎架及節點的搭設,以及樹狀結構樹干、樹枝和節點的吊裝工藝等諸多工藝問題。詳細的論述了採用全站儀對樹狀結構進行空間三維坐標測量的方法,包括測量標志點的選取、測量系統的建立及測量坐標的轉換等問題。深入地研究了樹狀結構可焊性、焊接方法、焊接工藝、焊接應力及控制、焊接變形及矯正、焊接缺陷分析及焊接質量檢查等復雜的異種鋼焊接問題。
  3. The various types of stress, strain, and elastic modulus are summarized in table 10-3.

    各種應力、應變和彈性模量列于表10-3中。
  4. Strain rate and stress are nonlinearly related.

    應變速率和應力呈非線性關系。
  5. The simulations of the blank forming process is always a very pop question in the domain of plasticity forming. it has very important significance as to making certain the figure of the blank roughcast calculating strain and stress, establishing reasonable forming craft and designing mold

    板料成形過程模擬一直是塑性成形領域研究的熱點問題,對于確定板料毛坯形狀、計算應力、應變分佈、制訂合理的成形工藝和模具設計有重要的意義。
  6. While cyclic deformation experiment under constant strain control is performed in 400, the material shows the continuous hardening until cyclic invalidation. ( 3 ) back stress attained by kwl " s method is used to analyse the bauschinger effect during an incremental step cyclic test and cyclic deformation test under constant strain control, it is shown that back stress increases with increasing plastic strain and the numbers of cycle, and the back stress is uniform, regardless of tension or compression conditions. ( 4 ) as far as recrystallized zircaloy - 4 plate is concerned, the back stress in transverse direction is higher than that in rolling direction due to the higher schmid factor in rolling direction

    對于再結晶狀態的zr一4合金板材試樣來說, t方向(橫向)試樣的背應力要高於r方向(軋制方向)的背應力,原因在於r方向的schmid因子高於t方向的schmid因子; 400下, zr一4合金的背應力要明顯低於室溫下的背應力;含氫200pg / g的zr一4合金的背應力大小與無滲氫的zr一4合金背應力相比,無明顯區別;固溶處理后, zr一4合金的背應力大小發生了變化,在較高塑性應變下,背應力均高於固溶處理前的背應力。
  7. Geotechnic centrifuge model test technique utilizes the equivalence between centrifugal force field and gravitational field ; model dimension dwindles into 1 / n times of prototype " s, but the body force on the model increases n times. the strain and stress of model is equal to prototype " s, but the displacement of prototype is n times of model " s

    土工離心模型試驗技術利用離心力場和重力場等效性,將模型尺寸縮小到原型尺寸的1 / n ,同時作用在模型上的體積力增大n倍,這時,模型中各點的應力、應變與原型中對應點的應力、應變相等,原型和模型對應點的位移成n倍關系。
  8. The prime works are as follows : strain and stress distribution of section was analyzed. the effect of prestress degree. on cracking moment was explored. the relation of the unbonded prestress increment to effective reinforcement index and corresponding bonded prestress increment were studied. the formulae had been established

    其次,設計了三根活性粉末混凝土無粘結預應力疊合梁,兩點對稱集中加載、一次受力,得到了它們的截面應變分佈、撓度與變形、無粘結預應力鋼絞線的預應力增量、裂縫的發展與分佈以及極限荷載。
  9. For solving this problem, there are several ways of measuring the pts of the swr at present, such as demarcating path length, strain and stress, magnetic induction measurement and ultrasonic measurement. however, portable, universal and effective instruments or methods don ’ t appear up to now in china

    為了解決這個問題,目前已經有了多種檢測鋼軌溫度應力的方法,比如為標定軌長法、應變法、磁感應測量法和超聲波測量法,但是在我國,便攜、通用有效的檢測儀器或方法還沒有被研製出來。
  10. The main research works done and conclusions extracted are listed as follows. ( 1 ). based on the piezoelectric equation, the strain and stress distribution are analyzed for the composite material structures with piezoelectric materials embedded inside

    從壓電材料的壓電方程出發,針對埋入式壓電片,分析埋入式壓電片在和結構一起發生變形時基體結構材料和壓電材料的應力應變的分佈規律和關系。
  11. With the data recorded by computer, the author studies the experiment progress in detail, which includes the development of pore press, strain, strength of the sand, etc. connecting the development of these phenomena with the development of stress path, the author finds new mechanism which can explain the phenomena in the experiment. what is more, according to the dynamic test of the sand, there appears a steady state at the last phase of the development of strain and stress path, in which the strength of the sand is studied because it is an important parameter in evaluating the stability of sand against liquefaction. secondly, the dynamic constitutive relation was studied through the dynamic tri - axial test

    本文首先採用目前國內較先進的微機控制動三軸儀,利用其可以適時採集和儲存數據的優勢,對砂土的實驗過程進行了細致的分析,研究該過程中孔隙水壓力發展、軸向應變發展以及它們與應力路徑之間的關系,對飽和砂土的剪脹、剪縮和卸載體縮等多個方面進行了研究,探索了砂土的動力特性,分析了影響砂土抗剪強度的各種因素,這些因素既包括土本身的特性(土的密度、結構、級配、透水性以及初始狀態等) ,又包括動荷載的特徵(振動力幅值大小和振動頻率等) 。
  12. In order to simplify the calculated procedure, the error coefficient ( r1 ) has been introduced to paper. and so, the criterion formula ( 2. 1 ), which calculates strain and stress in concrete, can be replaced by one - variable formula ( 2. 17 )

    為簡化計算類設計破壞形態時粘貼加固構件的抗彎承載力,本文引入誤差調整系數_ 1 ,將規范混凝土應力?應變公式( 2 . 1 )簡化成一階線性公式( 2 . 17 )並代入計算。
  13. The displacement vectors caused by the tide - generating force are different for different points inside the earth, hence tidal strain and stress fields are formed inside the earth

    地球內部各個質點在月亮和太陽的起潮力作用下產生的位移矢量不同,在地球內部形成固體潮應變場和應力場。
  14. Present the experimental research carried out on strain and stress by applying the resistance strain surveying technique to the big hole sealed heads in the new fire - tube heating boilers with the laws of strain and stress distribution obtained and allowable working pressure given because there is no applicable standards or specification for calculating the strength of crude oil heating boiler heads perforated by densely distributed big - holes, which, to a certain extent, hampered the further development of crude oil heating boilers in china, and concludes from experimental results that strain and the stress of circumference are fairly large near the edge of big - hole, and the cross ribs enhance strength of sealed head to a certain degree

    油田火筒加熱爐密集大開孔封頭的設計計算,因沒有相應的強度計算標準在一定程度上限制了我國油田火筒加熱爐技術的發展.採用電阻應變測量技術,對新型火筒加熱爐大開孔封頭進行了應力應變試驗研究,得到了封頭的應變和應力分佈規律,給出了大開孔封頭允許的工作壓力.試驗結果表明,大孔邊緣圓周處應力應變較大,十字筋板對封頭有一定加強作用
  15. In addition, the c language procedure for stress analysis calculate on connective structure between spherical head and cylindrical shell in jb4732 - 1995 steel pressure vessels ? esign by analysis appendix a2 " strain and stress of basic parts " was adopted. therefore, the complicated process can be accomplished by computer

    此外,本文還對我國jb4732 - 1995 《鋼制壓力容器? ?分析設計標準》附錄a2 「基本部件的變形與應力分析」中有關球殼與柱殼連接邊緣的應力公式用c語言編制了計算程序,使復雜的計算過程完全可以由計算機來完成。
  16. Based on this test, this paper discussed the bearing performance and influencing parameters of concrete confined with cfrp, and presents its new model of pressive strength 、 peak strain and stress - strain relationship according to existed the models of stress - strain relationship which are used to calculating concrete confined with fiber reinforced polymer ( frp )

    結合試驗,本文對cfrp約束混凝土的受力性能及影響參數進行了分析,基於已有的frp ( fiberreinforcedpolymer )約束混凝土應力-應變關系模型,提出cfrp約束混凝土的抗壓強度、峰值應變及應力-應變模型。
  17. According to maxwell principle, the mechanical characteristics could be analyzed with the svd methods for balanced matrix. besides, considering initial strain and stress, the paper established the nonlinear finite elment equilibrium equation based on t. l formulation

    L格式的非線性有限元位移法平衡方程,並採用mn - r法編制相應的程序進行張拉整體結構的非線性力學分析。
  18. The relevant results are : 1 ) this thesis applies parameterization technique to build the low speed and heavy load rolling bearings ’ model, and make a calculation of its strain and stress by using contact nonlinear finite element method

    主要成果如下: 1 )對此類低速重載滾動軸承進行有限元建模分析,初步對其進行靜力學計算,考察其基本應變、應力規律,經過實測證明模型計算結果基本正確。
  19. The lecture concerns songshan concrete face rockfill dam, which is calculated by shen zhujiang model of rock - piled materials. we applied finite element method ( fem ) to analysis songshan concrete face rockfill dam in case of steep slope so as to get the relation between strain and stress and deformation rules. we can draw some useful conclusions from them

    本文以松山混凝土面板堆石壩為背景,採用堆石體材料的沈珠江模型,應用有限元方法分析了高陡邊坡情況松山面板堆石壩的應力-應變關系和變形規律,得到了一些有益的結論。
  20. And being based on the fea model, the distribution of strain and stress on the system are computed to analyze its structure intensity and rigidity properties. the research of the structure - statics gives out some rules to direct the design optimization of the thbip - i

    論文首先研究建立了thbip -仿人機器人系統的精確彈性動力學有限元分析模型,並在此基礎上進行結構靜力學分析,研究各部件應力、應變分佈狀況,分析其強度和剛性等力學性能,提出thbip -結構優化初步措施,為結構優化設計提供理論依據。
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