elastic expansion 中文意思是什麼

elastic expansion 解釋
彈性膨脹
  • elastic : adj. 1. 有彈力[彈性]的。2. 伸縮自如的,靈活的。3. 機變的,輕快的。n. 橡皮線,松緊帶,橡皮圈。adv. -ally
  • expansion : n 1 張開,伸展。2 擴大;擴建;展開;發展。3 廣袤,遼闊。4 擴張物,擴大部分。5 (講題等的)詳述,...
  1. Analysis of relation of coefficient of thermal expansion and elastic modulus

    熱膨脹系數同彈性模量數學模型分析
  2. The elastic constants of bcc li, na and fcc al crystals have been evaluated as functions of pressure and temperature by using a new model together with ab initio electronic structure and total - energy calculations. in the model it is considered that the elastic constants of crystals at a given temperature and pressure can be calculated using a conventional density functional method but modified by a new set lattice constants due to the isobaric volumetric thermal expansion when temperature rise from absolute zero to the given one

    本文對高壓及有限溫度立方金屬彈性常數的計算方法進行了研究,建立了一種考慮溫度效應的物理模型,基於這個模型和從頭算方法,對典型的立方晶系金屬li 、 na 、 al在高壓及有限溫度(熔點以下溫度)彈性常數進行了計算,取得了與已有實驗結果較好相符的計算結果。
  3. Linear elastic dynamic fracture mechanics are adopted to analyze the working characters of the semi - rigid asphalt pavement with the reflective cracking. it is successful to simulate the crack expansion process based on elastic damage theory, at the same time the fatigue life is forecast. the research findings are valuable for the pavement engineering practice on the soft clay ground

    本文分析路表變溫對軟土地基上半剛性路面結構體的作用時,考慮了路表降溫導致瀝青混凝土回彈模量的非均勻性,採用線彈性動斷裂力學分析軟土地基上含反射裂縫半剛性路面結構體的工作性狀。
  4. Fem with absorbing boundary condition and expansion of discrete chebyshev polynomials for inverse problem of elastic waves

    基於吸收邊界條件的有限元方法和離散切比雪夫展開的二維缺陷識別
  5. This paper, in allusion to damage of expansion joint of bridge, introduces a sort of new structure of jointless device - semi - integral abutment jointless bridge, and establishes model of general structure finite element of this bridge, and in details analyses its qualities of stress. the model considers the interaction of superstructure - substructure - soil. resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising, but active soil pressure when dropping. analysis of qualities stress of bridge includes of action of dead load, car load, temperature load of season character. taking an 100m length pc semi - integral abutment jointless bridge as instance, the paper establishes the model of plane frame by applying large common software - anasys, and analyses it by elastane and large deformation to imitate character of stress and deformation of general bridge. at the same time corresponding models of finite element of joint bridge and integral abutment bridge are established, and unique stress and performance of structure of semi - integral abutment jointless bridge are researched by comparing and analysing character of three different models under same loading, and controlling factor of design and constitution are generalized. in conclusion, for semi - integral abutment jointless bridge, on one hand shear, moment and deflection of the main beam and axis force of substructure are approximate with that of joint bridge, and integral stifmess of structure is increased and damage of expansion joint is eliminated, on the other hand there is axis force in main beam, shear and moment of substructure are bigger than that of joint bridge. in all this type of jointless bridge has rational stress and is worth of application and popularization

    半整體式橋臺無縫橋梁計算模型考慮了上部結構-下部結構-土的共同作用;臺後土抗力升溫時採用靜止土壓力加彈性土抗力,降溫時採用主動土壓力;分析橋梁受力性能時考慮了結構自重、車輛荷載和季節性溫變荷載的作用。以一座橋長100mpc半整體式橋臺無縫橋梁為實例,採用大型通用軟體ansys建立平面框架模型,進行彈性、大變形分析,模擬全橋受力和變形特點;同時建立與此對應的有伸縮縫橋梁和整體式橋臺無縫橋梁有限元模型,通過三種橋型同步加載對比分析,研究半整體式橋臺無縫橋梁獨特的受力特點和結構性能,總結其設計控制因素和構造要求。通過本文研究知:半整體式橋臺無縫橋梁主梁的剪力、彎矩、撓度和下部結構的軸力與梁式橋相近,結構整體剛度增大,併除去了伸縮縫病害;但主梁增加了軸力,下部結構剪力、彎矩較梁式橋大;綜合分析是一種受力合理有實踐和推廣價值的橋型。
  6. Elastic - plastic solution of expansion of sphere cavity in unsaturated soils

    非飽和土中球形孔擴張的彈塑性分析
  7. Here a kinetic study has been made in order to determine the relationship between the relaxation of elastic energy and the hysteresis expansion by pre - deformation of shape memory alloys

    本文根據馬氏體相變熱力學和動力學,並結合相關的實驗結果,研究了彈性應變能弛豫和相變滯后的關系。
  8. It is indicated that the relaxation of elastic energy stored during the forward martensitic transformation is responsible for the expansion of transformation hysteresis, which is in good agreement with experimental results associated with the hysteresis enlargement by deformation of niti, niti - based and cualni shape memory alloys

    結果表明,塑性變形產生的位錯以及變形的第二相顆粒對逆馬氏體相變溫度的提高具有一定作用,但塑性變形導致應變能釋放才是形變提高形狀記憶合金相變滯后的主導因素。
  9. Elastic - plastic analysis for soil around anchor jacked pile in this paper, the course of penetration is regarded as expansion of cylindrical cavity in infinite soil mass. combining with the knowledge of elastic mechanics and plastic mechanics, we can make analysis for soil around pile. finally, we can educe the cylindrical cavity pressure, radius of plastic zone, radical displacement in elastic zone, excess pore water pressure in soil around pile and spherical cavity pressure at the end of pile

    錨桿靜壓樁樁周土體的彈塑性分析該部分是文章的主要工作所在,本文把壓樁過程樁周土體的本構關系看作是水平面的平面應變小孔擴張問題,利用小孔擴張原理,結合彈性力學以及塑性力學的知識,對壓樁後土體的性狀作出分析,得出樁對土的擠擴作用力、樁周土體塑性半徑、彈性區的位移,壓樁完成瞬時樁周土體彈性區和塑性區的超孔隙水壓力以及樁端球形孔擴張的擴張力。
  10. By using new dual vectors, dual differential matrix and orthogonality relationship, a new solution method by igenfunction expansion for an elastic system with one continuous coordinate is establishen based on the theory of ordinary differential eguations

    摘要以常微分方程的理論為基礎,利用新的對偶變量、對偶微分矩陣和正交關系,以單連續座標彈性體系為例,建立了與彈性力學求解新體系平行的特徵函數展開解法。
  11. Several typical sites are chosen in this paper in order to investigate the main points of wave function expansion method applied to elastic wave scattering problems. antiplane scattering analytical solution for the alluvial valley of shallow circular - arc cross - section is investigated, which has practical engineering value

    本文選擇了幾種典型場地,研究了波函數展開法在求解其中局部場地彈性波散射問題時的要點,對更有工程實際意義的淺圓弧型沉積盆地,研究了其出平面散射解析解答的收斂性和精度。
  12. This last component is usually described as the aggregate balance. although traditionally it is one of the smaller components of the monetary base, it is also the most elastic component : its contraction or expansion is the crucial determinant in whether domestic interest rates respectively rise or fall

    原因是這樣的:雖然一直以來被稱為總結餘的銀行體系結餘只佔貨幣基礎較小部分,但它亦是最具彈性的一部分,意思是總結餘的擴大或收縮,對本地利率的升跌都具關鍵作用。
  13. The process of penetration is regarded as expansion of cylindrical cavity in infinite soil mass. combining with the knowledge of elastic mechanics and plastic mechanics, we may make analysis for soil around pile. and we may deduce the cylindrical cavity pressure, radius of plastic zone, radical displacement in elastic zone, and excess pore water pressure in soil around pile and spherical cavity pressure at the end of pile

    本文闡述了樁土共同作用理論原理,對坑式靜壓樁的樁周土體作彈塑性分析,把壓樁過程中樁周土體的本構關系看作是水平面的平面應變小孔擴張問題,利用小孔擴張原理,結合彈性力學以及塑性力學的知識,對壓樁後土體的性狀進行分析,得出樁對土的擠擴作用力、樁周土體塑性半徑、彈性區的位移,以及樁端球形孔擴張的擴張力。
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