泊松模量 的英文怎麼說

中文拼音 [sōngliáng]
泊松模量 英文
poisson's modulus
  • : 泊名詞(湖) lake
  • : Ⅰ名詞1 (松樹) pine 2 (絨狀或碎末狀食品) dried meat floss; dried minced meat 3 (姓氏) a surn...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  1. The derived dry bulk modulus must be positive and greater than 2 / 3 of shear modulus to insure a positive lame constant and poisson ' s ratio

    提取的乾燥體變必須為正,並且大於剪切的2 / 3 ,以保證拉梅常數和比為正。
  2. ( 6 ) in this paper. adopting fea software ansys to simulation and analysis the al ecap process. in order to spread out studying of ecap in the future. the results show : die comer angle, the radius of round angle, the friction coffience of workpiece and die, the properties of die ( elastic modulus, possion ratio ) et al, have some degree impact on the deformation of materials

    ( 6 )採用有限元( fea )分析軟體ansys對al的擠壓過程進行ecap擬與分析,為后續研究工作做好鋪墊,分析結果表明:外切角、圓角半徑、試樣與凹之間的摩擦系數、凹本身的特性(如彈性比等)等等,對材料的變形都由不同程度的影響。
  3. Although no regular relationship between the modulus and v existed, it still could be shown that the good auxetic properties did exist in the polyolefin blends whose modulus differential was in the range from 800 to 1000 mpa between two phases

    研究結果表明組分的組成與共混體系的比值並無有規律性的聯系,但兩相差在800一io00mpa范圍內體系呈現很好的負比效應。
  4. In this paper, a numerical simulation is conducted, which is based on the test data of the model experiment of sloping ground with the help of the marc program. when the bearing capacity characters of level ground and the foundations adjacent to or above slopes are analyzed, the effect is considered, which includes deformation moduli, density, poisson ratio, angle of internal friction, stress - strain relationship, slope angle, relative distance from the edge of slopes and relative depth of footings

    本文利用斜坡地基型試驗的試驗數據,用marc軟體進行了斜坡地基型試驗的數值擬,分析了平地地基、臨坡地基和斜坡地基的承載力特性,研究了變形、容重、比、內摩擦角、應力應變特性、斜坡坡度、基礎的相對坡頂距及其相對埋深等因素對斜坡地基承載力性能的影響。
  5. With the increase of lateral pressure modulus, the magnitude of principal stress decreases and the direction of it is hardly changeable ; with the increase of the angle between the direction of the maximal horizontal principal stress on magnitude and the fault bearing, the magnitude of principal stress increase and its direction can hardly change ; with the increase of the elastic modulus of rocks, the magnitude of principal stress increases and the direction changes more ; with the increase of pr, the magnitude of principal stress decreases and the direction changes more ; with the increase of lateral pressure modulus, the principal stress at hance, the tress at topmost arch, bottom arch and principal stress at lateral arch decreases, with the increase of the depth of tunnel, the stress of surrounding rock also increases, and the poorer the quality of surrounding rock is, the little its principle stress is

    分析得出,隨著側壓力系數的增大,主應力值減小,主應力方位難改變;隨著與斷層走向的夾角增大,主應力值增大,應力方向難改變:隨著巖石的彈性的增大,主應力值增大,方向變化越大;隨著比的增大,主應力值減小,方位變化越大。隨著側壓力系數的增大,頂、底拱處的各應力值增大,拱腰處的主應力減小,剪應力增大,側拱處的各主應力減小,同一側壓力系數的條件下圍巖質越差,各應力值也越小;隨著洞室埋深的增加,圍巖壓力也增大,圍巖質越差,其應力值也減小。
  6. The 3 batches with 7 groups of prism concrete test specimens and the 3 batches with 22 groups of cube ones were used in mechanical properties test, and a series of parameters of rpc was acquired such as prismatic strength, the cubic strength, split and pull strength, deformation module, peak strain, poisson ' s ratio

    進行三批7組稜柱體試件和三批22組立方體試件的力學性能試驗,測定了rpc200稜柱體抗壓強度、立方體強度、劈拉強度、彈性、峰值應變、比等參數,並建立了變形和峰值應變的擬合公式。
  7. Standard test method for dynamic young ' s modulus, shear modulus, and poisson ' s ratio by impulse excitation of vibration

    利用振動的脈沖激勵測定動態楊氏剪切數和比的標準試驗方法
  8. Standard test method for dynamic young ' s modulus, shear modulus, and poisson ' s ratio for advanced ceramics by impulse excitation of vibration

    用振動脈沖激勵法的高級陶瓷動態楊氏剪切比的標準試驗方法
  9. When the transportation load is long - term evenly distributed, the influences of each relevant factor, i. e. pipeline depth, diameter, deformation module of foundation, poisson ratio of soil and tyre pressure of vehicles, toward mises stress and vertical displacement of pipelines are discussed. when the transportation load is movable and invariable, the changing rules of mises stress and vertical displacement during the vehicle ' s movement are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are discussed. when the transportation load is stable and simple harmonic, the changing rules of mises stress and vertical displacement during the time of load function are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are also discussed. in three - dimensional analysis, mises stress and vertical displacement of pipelines under three kinds of transportation loads are calculated, and the analysis and discussion of correlative factors are also made

    當交通荷載為長期均布荷載時,討論了各相關因素,包括管道埋深、管徑、地基變形、地基比和車輛輪壓大小分別對管道mises應力和豎向位移的影響;當交通荷載為移動恆載時,計算並分析了車輛行駛過程中管道mises應力和豎向位移的變化規律,討論了車速和車輛輪壓對這兩個管道力學性狀的影響;當交通荷載為穩態簡諧荷載時,計算並分析了荷載作用時間內管道mises應力和豎向位移的變化規律,討論了車速和車輛輪壓對管道力學性狀的影響。
  10. Further more, on the basis of analysis of triaxial tests, the initial elastic modulus, poisson ' s ratio and strength index included in differ models is analyzed, and the damage characteristics of q3 loess is indicated on the basis of changing of the initial elastic modulus

    進而,整理分析了不同型共同含有的初始切線比及強度指標,並根據初始切線變化規律揭示了黃土結構損傷特性。
  11. Then displacement fields are researched via the finite element model that accords with actual process of jacked pile. and the effects of displacement fields caused by difference modulus ratio, friction between pile and soil, possion ration of soil and soil index of c and are put forward

    接著建立了能夠擬沉樁連續貫入的有限元型,利用該有限元型分析了樁土比、樁土界面接觸剛度、樁土界面摩擦、比以及土體的c和指標等因素對沉樁擠土效應的影響。
  12. To meet the need of settlement calculation with fem when absence of laboratory triaxial test data in common road engineering, methods of determining the five parameters included in tangential elastic module through soil routine tests and the related emendation coefficient are given. at the same time, one approximately substituted formula for tangential poisson ratio is also developed, which is suitable for both sandy soil and cohesive soil. ( 3 ) research on main parameters modification of duncan - chang model based on the improved bp network

    對於一般道路工程中不做三軸試驗但須進行沉降有限元計算的情況,給出了依據土體常規試驗的切線彈性確定方法和相關修正系數,同時也提出了對砂性土和粘性土均適用的切線比的近似替代式子; ( 3 )基於改進的bp網路對鄧肯張型主要參數修正研究。
  13. The results indicated that the physical properties of these materials were mainly dependent on the content of ni3al and increased obviously when 40vol % ni3al was contained since a net structure between ni3al phase and tic grains were formed under the circumstances

    顯微結構觀察發現,在40vol ni _ 3al的組成上, ni _ 3al相與tic顆粒成為一種相互穿插的空間網路結構,使其楊氏比、熱膨脹率都表現出明顯的上升現象。
  14. With the different loading ratio of parallel to axis and normal to axis direction, damage defects will occur bulking problem. by varying the degree of material anisotropy relative to the loading axis such as poisson ' s ratio and shear modulus, crack growth bulking strain value parallel to or normal to the loading axis is different. the parameters controlling the growth or arrest of the delamination damage are identified as the geometry and the depth of defects and radius of cylindrical etc. at last, it was investigated that the delamination damage is often induced by the tip of matrix damage under higher stress

    研究結果表明:殼體筒段受軸向拉伸和內壓載荷作用時,軸向和環向載荷的比率不同,母層和子層可能發生拉伸屈曲,也可能發生收縮屈曲,或者同時發生拉伸和壓縮屈曲;母層與子層各向異性存在差異,即比與剪切不匹配時,將使子層板的邊界上承受壓縮和剪切作用,當分層達到臨界狀態則發生屈曲,當母層與子層的各向異性差異越大,則發生分層屈曲的可能性越大;分層損傷的屈曲應變值與子層自身的彈性、分層子層的形狀、厚度以及圓柱半徑等因素有關。
  15. The conclusions have been deduced from the detailed analysis of a set of experimental results as below : 1 ) the formula of tangent young ' s modulus et has been established during the unloading process ; 2 ) the shearing features of the samples are similar to undrained test even though there are draining paths so the possion ratio of the sample is about 0. 5 ; 3 ) unloading paths have little effects on the shearing strength parameters

    通過對試驗結果的分析得到: 1 )任一時刻土體的切線彈性公式; 2 )卸載情況下盡管存在排水通道,但試樣仍基本上表現為不排水的性狀,按廣義虎克定律得到的比在0 . 5附近; 3 )卸荷應力路徑對土體的強度參數影響不大。
  16. Experimental and finite element analysis of three point bending ( tpb ) test were conducted. it is found material ' s anisotropy of anisotropic materials and poission ' s ratio of isotropic materials all had influence on contact deformation between specimen and fixture. so it is wise to get flexural properties using four point bending test

    4 .通過試驗和有限元分析發現,造成對三點彎曲試驗測得的三維編織復合材料的彎曲遠低於四點彎曲試驗結果的原因:材料的各向異性和比對於三點彎曲試驗的壓頭和支座處的局部接觸變形影響很大
  17. The main reason is that the distributation scale and quantity of the previous grand stress imported as the given factors are usually not definite, meanwhile the different quantity of the strate parameter such as e and n are radom to the different zone

    其中最主要的原因是作為已知輸入的初始地應力分佈規值經常不明確,同時彈性比等地層參數的不同取值對不同地帶具有一定的任意性。
  18. Based on the research of influencing factors and regularities of distribution of loess side slope stability in northwest, the author select pingshuo antaibao southern spoil bank as subject investigated, and abstract several the most rudimental influencing factors which are ubiquitous concerning slope stability in loess area such as sloping shape, slope ratio, bulk density, cohesive force, angle of internal friction, elastic modulus, poisson ratio, water immersion

    本文在探討黃土地區邊坡穩定性的影響因素及其分佈規律的基礎之上,選取平朔安太堡南排土場為研究對象,抽象出對于黃土地區邊坡穩定性具有普遍意義的幾個最基本影響因子:坡型、坡比、容重、內聚力、內摩擦角、彈性比、水。
  19. The deformation characteristics of pavement section and soft soil subgrade under traffic load are analyzed, considering the effects of load ( including type, amplitude and frequency ) and parameters of soft soil ( including resilient modulus, cohesion, internal friction angle, poisson ratio, damping ratio et al )

    分析了荷載因素(包括荷載類型、荷載幅值、荷載頻率)和地基土體參數(包括回彈、內聚力、內摩擦角、比、阻尼比)對變形的影響。
  20. Through a lot of test pile material, this essay concludes the vertical bearing capacity calculation formula of man - made pile with bulb shaped base by strength theory and relative deformation as control criterion. the method of defining pedestal pile foundation deformation modulus is especially discussed in this article, and it takes the mindlin solution as the starting point using mathematics method to get the poisson ' s ratio ( u ) which is the factor influencing foundation soil deformation modulus, and a deformation modulus calculating equation is finally determined

    本文通過大試樁資料和有限元計算分析,給出了以強度理論和相對變形為控制標準的人工挖孔擴底樁豎向承載力計算公式。其中特別論述了擴底樁地基變形的確定方法,並從mindlin解出發利用數學方法得出了影響地基土變形大小的因素?比,初步確定了比較完善的變形計算公式。
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