彈粘性體系 的英文怎麼說

中文拼音 [dànniánxìng]
彈粘性體系 英文
elastic-viscous system
  • : 彈名詞1. (彈子; 小球形的東西) ball; pellet 2. (內裝爆炸物, 具有破壞和殺傷能力的東西) bullet; bomb
  • : 粘動詞(粘附) glue; stick; paste; adhere to; bond
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 體構詞成分。
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  1. The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects

    2 、統學習並歸納總結了鳥撞擊風擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路,統總結了小變形結構動力學有限元數值計算方法、有限變形的幾何非線有限元數值計算方法、非線形變的本構物理關;對于實施復雜結構有限元動力學計算的載荷增量方法提出了對newmark差分的改進以及進行材料與幾何非線數值計算的細致步驟。
  2. The consolidating wave speed means the speed at which elastic stress wave transmits throughout reinforced concrete, and it is intervenient the inherent wave speed of steel and of the concrete. moreover, the consolidating wave speed inherent in the material of the reinforcing steel bar and the concrete, and it relates to the cling strength of steel bar and the concrete

    固結波速是指應力波通過鋼筋-混凝土傳播時的速度,通過理論分析得知固結波速的大小介於鋼筋和混凝土中應力波速之間,由鋼筋與混凝土二者的材質特決定,與二者的結強度密切相關。
  3. According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile

    根據理論,運用大型有限元軟ansys按正交設計理論對樁端承載力進行模擬計算,獲得樁端承載力與樁長(埋置深度) 、樁徑、聚力、內摩擦角及變形模量等主要影響因素的關,並採用數理統計方法,對81組ansys模擬試驗結果數據進行回歸分析,得到有限元法確定樁端極限承載力的回歸公式,並將有限元法回歸公式計算值與現場小壓板載荷試驗值進行比較分析,得到大直徑樁端阻的尺寸效應數計算公式。
  4. 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,給出了依據土常規試驗的切線模量確定方法和相關修正數,同時也提出了對砂土和土均適用的切線泊松比的近似替代式子; ( 3 )基於改進的bp網路對鄧肯張模型主要參數修正研究。
  5. ( 2 ) on the basis of continuity equation, momentum conservation equation, energy conservation equation, and substantial equation, coupled thm governing equations are derivated with giving up the assumption of local thermal equilibrium, adopting thermal elasto - plastic constitutive relation, taking the effect of temperature gradient on groundwater seepage ( analogous to soret diffusion ) and the effect of viscous dissipation of groundwater on temperature field of rock mass into account

    ( 2 )根據連續方程、線動量平衡方程和能量守恆方程以及相應的物方程推導了飽和巖溫度場-滲流場-變形場三場耦合作用控制方程組。在推導控制方程組時舍棄了「局部熱平衡」假設,採用了熱本構關,考慮了溫度梯度對地下水滲流的影響(類soret效應)以及地下水的耗散對巖溫度場的影響。
  6. Based on the sound wave transferring theory of infinite elastic and viscoelastic materials with the method of transferring matrix, the formulas of transmission coefficient and the level of sound insulation are gained, which consider shearing strength in the rubber, and the sound insulation properties of compound structures are discussed in condition of oblique incidence

    摘要基於無限大的波傳遞理論,採用傳遞矩陣的方法,對斜入射情況下的透射數和隔聲量進行了理論推導,考慮了聲波在橡膠中傳播所產生的剪切力,並就單層復合結構的隔聲能進行了詳細的研究,進而也分析了多層復合結構的隔聲能。
  7. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大力發展工程樁的實驗室承載力監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上,本文提出了現場利用聲波層析成像技術監測鋼砼樁內部質量的方法與程序,並得出了聲波層析成像技術是砼樁的動態質量檢測的有效手段,這對指導施有積極、現實意義;提出了綜合運用朗肯土壓力理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡土應力及應變的變化情況,指出土地區也應考慮時間效應,並且進一步分析了基坑邊坡土的塑區形成和發展,找出邊坡最不利的區域,以確定地下室土的挖掘的方式和順序,指出憑主觀臆斷與經驗來施工是不可取的;在分析、經較逆作法與大開挖順作法的地下室結構受力情況及施工順序的不同,提出了節點處理技術;分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異,並探討了解決的方法;本文還提出了環境振動對土邊坡穩定產生影響的觀點,並分析了在環境振動影響下,土的應力狀態及土休失穩破壞概率,並且還運用力學知識和數學分析的方法定量地分析了地下混凝土墻受力狀態,指出了被監測墻的最大應力、應變位置。
  8. In the systematic system, a direct method solution for symplectic eigenvalue problems is put forward. the symplectic method updated the solving system of the viscoelasticity to a new platform

    在辛下建立了一種辛本徵解直接方法,將力學求解方法和思路上升到一個新的平臺。
  9. 2. effect of the viscosity ratio, mterfacial adhesion, processing conditions and composition on the dispersing morphology and properties of pp / eoc blends was investigated. low viscosity ratio and high shear rate during processing were found to produce fine and uniform dispersion of eoc in pp matrix, while low viscosity ratio, high interfacial interaction, good fluidity of elastomer and high shear rate in molding process resulted in fibril dispersion, which afford a guide for controlling the morphology of pp / eoc blends

    研究了度比、界面相互作用、加工條件和共混比例等因素對pp eoc分散形態和能的影響,發現度比小和加工過程中剪切強度大有利於在基中分散均勻細化;度比小、界面相互作用強、本身的流動好及成型時受到的剪切應力大,使相易變形,沿流動方向取向呈纖,闡明了各因素對形態影響的作用機制,這對pp eoc共混物的形態控制具有重要的指導作用。
  10. Comparing the fitted expression with the established theory expression of the angular velocity, the equivalent viscous damping coefficient is gained. the closed form algorithm of the state space method is employed to solve the system dynamic equation with time - varying coefficients. the dynamic problem of a linkage mechanism with four joints is taken as example to show that the presented models and methods are correct and practicable

    引入求解線微分方程的狀態空間法,並對其求解時變統運動微分方程的具步驟進行了推導;在此基礎上將實測獲得的運動副等效阻尼數代入統動力學方程,求解后獲得了考慮運動副阻尼的平面四連桿機構的模擬結果;結果表明運動副的阻尼在一定程度上對振動具有抑制作用。
  11. In fact, the constitutive models employed in both methods could not re - produce the dynamic behaviour of soil to non - proportional cyclic loading, such as waves loading. to simulate dynamic responses of elastic, visco - elastic and elasto - plastic sea beds, linear and / or non - linear numerical models based on generalized biot ' s theory are developed together with stable and effective algorithm. the difficulty in numerical computation made the generalized biot ' s theory be difficult to be put into practice in the field of geotechnical engineering

    上述兩種方法採用的土本構模型都不能再現砂土在暴風浪等非比例加載條件下的動力特,本文基於廣義biot理論提出了波浪作用下海床線或非線動力響應的耦合計算模型與穩定、高效數值演算法,分別針對土的本構關,對海床的動力響應進行了有限元數值模擬與分析。
  12. These results are consistent with the results from gross and salzstein and so on. osteoblast is the seeded cell of bone tissue engineering. now, in order to research the response of the osteoblast when it is cultured with mechanical stimulating, the paper consider the osteoblast as an homogeneous, isotropic, incompressible viscoelastic medium

    由於成骨細胞是骨組織工程的種子細胞,為研究其在機械刺激離培養下的受力情況,論文將成骨細胞看作是一種均勻、各向同、不可壓縮,然後應用數值方法將物理關中的遺傳積分展開,從而導出物理關的矩陣形式。
  13. And the linear viscoelastic behavior, steady rheological behavior and the formation / evolvement of particles net structure for molten nanocomposites were studied using an advanced rheometric expansion system ( ares ) and capillary rheometry. it is believed that the melt intercalation is a more efficient processing for formation of nanophase in polymer - layered silicates hybrids

    用高級流變擴展統( ares )及毛細管流變儀對復合的線行為、穩態剪切流變行為進行了表徵,並對熔粒子網路結構的形成與演化作了較統的研究。
  14. In this article, idealized elastic plastic model and three - dimension finite elements programs have applied to analyzing and researching the stress and displacement distribution of 4 high - steep slopes excavated on the wan - liang expressway, and the relationship has been gained between the stress existing in excavated rock slopes and stability coefficient with depth change through the self - made fortrain program ' s application to the computation of slopes " stability coefficient ; at the same time, through the analysis of the slopes " stability coefficient, such conclusion has been gotten that cohesion in the slipping zone has important effect on slopes " stability and some proposals have been presented to improve the anti - shearing ability of the slipping body through enhancement of the cohesion in the slipping body

    本文採用概化均質的理想模型,利用三維有限元程序分析了萬梁高速公路4個高陡邊坡開挖各階段的應力及應變分佈,並且編寫了fortran程序用於邊坡穩定數的計算,得出邊坡巖應力及穩定數隨著開挖深度的變化關。並對邊坡穩定數的敏感進行了分析,得出滑帶內聚力的變化對邊坡穩定至關重要,提出了改善滑帶巖土結狀態提高抗剪能力的工程措施。
  15. Finally, to consider the effect of the compression of the approach embankment to the determination of the tolerable differential settlement, this paper, considering the flexible pavement as viscoelastic multilayers and dividing the moving traffic load into fourier series, presents the formulation and the application of a combination of transfer matrix and laplace transform and fourier transform approach to evaluate dynamic response of the flexible pavement subjected to a moving traffic load under modified plain - strain condition. the predictive capability of the model are verified by the laboratory model

    為了考慮車路耦合對路橋過渡段容許差異沉降確定的影響,本文將柔路面視作層狀,採用修正的平面應變模型,將移動的車輛荷載用傅立葉級數展開,用傳遞矩陣配拉氏變換和傅立葉變換法進行了移動荷載作用下柔路面動力響應分析,並用模型試驗證明了理論分析結果的正確
  16. The linear viscoelastic behavior of melts for nanocomposites with different content of montmorillonite modified by cetyltrimethylammonium bromide and octadecyltrimethylammonium bromide was studied. the results obtained through examining the dynamic storage module g ", dynamic loss module g " and stress relaxtion module g ( t ) of the composites revealed that the linear viscoelastic properties of composites strongly depended on the loadings of montmorillonite exfoliated into the composites

    在蒙脫土含量低至3叭%時,低頻率區域(末端區域)的動態模量出現近似於固行為屍類固( solid - li毅的」行為) ,模量對頻率依賴降低甚至無依賴
  17. Along with the development of the economy, all types of engineering project are being constructed, at the same time, the requirement of stress and strenth of soil is being more rigorous, so developing model which can display visco - elastic - plastic stress - strain relation nicely is very important

    隨著經濟建設的發展,各種各樣的建設項目不斷上馬,同時,對土和強度的要求也越來越高,所以建立能夠如實反映土本構關的模型具有重要的意義。
  18. A hamiltonian system, the duality system, of the viscoelastic theory is established in cylinders via the investigation

    論文通過研究,建立了問題的哈密頓基本理論,即對偶
  19. On the fundamental of thermo - viscoelasticity, the rate of viscous heat generation in csp matrix in relation with stress and strain status, is obtained. the meso - scale model is put forward, in which processes or phenomena such as viscous heat in csp matrix, heat conduction between csp matrix and oxidant particulates, decomposition of oxidant and its interfacial reactions with csp matrix, are described. the control equations are derived

    應用熱理論、傳熱學、推進劑熱分解動力學等,分析推導了推進劑加熱與應力應變的關,建立了描述基加熱、基與含能顆粒傳熱、含能顆粒受熱分解及與基界面反應等過程的細觀模型,推導建立了模型控制方程。
  20. In order to solve over dynamics modeling and analyzing problems of the human - oid - robot with the viscoelastic and nonlinear structure properties, this dissertation stu - dys to build the dynamic model and analyze its walking property of the thbip - humanoid - robot, who has been developed by tsinghua university, by the three - dimension finite element analysis ( fea ) method in the ansys platform. firstly, this paper presents a precise viscoelastic dynamics fea model of the thbip - i

    因此,為解決復雜的仿人機器人統動力學建模和分析問題,論文針對清華大學研製的第一代仿人雙足步行機器人? ? thbip -統,考慮具三維結構及其材質本質,如結構柔和關節等方面的影響,運用三維有限元理論和ansys軟技術,統和深入地研究了其動力學特的有限元建模技術與方法,以及具行走動力學特的分析問題。
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