彈粘體系 的英文怎麼說

中文拼音 [dànnián]
彈粘體系 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
  • : 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性有限元數值計算方法、非線性形變的本構物理關;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性數值計算的細致步驟。
  2. Since lots of factors such as pumping blood ability of heart, heart rate, vascular resistance, flexibility of main artery and big artery, body blood capability and hemal physical state can be reflected by blood pressure, it is of great importance to be one physiological parameter for body cycle system enginery

    =血壓是反映心臟泵血功能、心率、血管阻力、主動脈和大動脈的性、全身血容量及血液滯性等生理參數的重要指標,是反映人循環統機能的重要生理參數。
  3. 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

    固結波速是指性應力波通過鋼筋-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性應力波速之間,由鋼筋與混凝土二者的材質特性決定,與二者的結強度密切相關。
  4. The main purpose of this paper is to study crack growth rate of a class of nonlinear viscoelastic materials under the condition of constant load and small - strain. in this paper : the new test program is raised by referencing the existing test programs and by our trial and error ; in the new test program, facilities involved in the nonlinear viscoelastic crack tests are relatively few, the test process is relatively simple and the data obtained from the experiments are credible. on this basic, the calculation of j integral of nonlinear viscoelastic double cantilever beams specimens and the parameter of fracture work of corresponding nonlinear viscoelasticity are derived

    成果包括: 1 、證實了雙懸臂梁試件用於非線性性裂紋擴展實驗研究的優點:雙懸臂梁試件在實驗中能觀測到的擴展過程持續時間比較長,在計算j積分時,計算方法簡單; 2 、得到了改性聚丙烯材料用於非線性性裂紋擴展實驗的兩種有效的試件構形和相應的試件尺寸;採用不斷改善夾具的方法使得加載穩定; 3 、經過連續四個多月的時間得到了一組有用的實驗數據; 4 、得到了裂紋長度與時間的關、裂紋擴展速度與時間的關、裂紋擴展速度與裂紋長度的關
  5. The idea of passive control is to utilize additional facility within a structure to dissipate or absorb a large portion of the seismic energy, which has been applied to practical engineering extensively since its control devices - dampers are convenient and it does not need large energy supply and the structural system identification. now the main devices which have been developed in the passive control may be grouped into the following types : viscous, visco - elastic, metallic and frictional, and tuned mass damper ( tmd ) and tuned liquid damper ( tld )

    被動控制通過附加阻尼裝置耗散或吸收大部分的地震動能量以達到減振的目的,由於其控制裝置簡單,不需要外界能源輸入和統識別,容易在工程上實現並已得到廣泛的應用;目前被應用於結構被動控制的阻尼器主要有:滯型、型、摩擦型、調諧質量阻尼器( tmd )和調諧液阻尼器( tld ) 。
  6. 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

    根據塑性理論,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。
  7. 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性模量確定方法和相關修正數,同時也提出了對砂性土和性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。
  8. ( 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 )根據連續性方程、線動量平衡方程和能量守恆方程以及相應的物性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,採用了熱塑性本構關,考慮了溫度梯度對地下水滲流的影響(類soret效應)以及地下水的性耗散對巖溫度場的影響。
  9. 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性能進行了詳細的研究,進而也分析了多層復合結構的隔聲性能。
  10. 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性區形成和發展,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,並且還運用性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。
  11. 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,將性力學求解方法和思路上升到一個新的平臺。
  12. 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分散形態和性能的影響,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、本身的流動性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。
  13. In the paper, by using bp ( back propagation ) method of ann, we can get the relationship between grading, asphalt - aggregate ratio, bulk density, percentage of voids, test temperature and ds. at the same time, we can get the relationship between grading, asphalt - aggregate ratio, bulk density, percentage of voids, test temperature and viscoelastic parameter. at last, we can estimate the ds and draw the deformation curve

    本文應用bp人工神經元網路,建立瀝青混合料的礦料通過百分率、瀝青用量、毛積密度、空隙率、試驗溫度與瀝青混合料性參數的關,或建立瀝青混合料的礦料通過百分率、瀝青用量、毛積密度、空隙率、試驗溫度與車轍試驗動穩定度值的關,從而預估車轍試驗的動穩定度值和繪制車轍試驗變形曲線。
  14. 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、各向同性、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。
  15. 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性行為、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。
  16. 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,本文將柔性路面視作層狀,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性路面動力響應分析,並用模型試驗證明了理論分析結果的正確性。
  17. 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) ,模量對頻率依賴性降低甚至無依賴性。
  18. A hamiltonian system, the duality system, of the viscoelastic theory is established in cylinders via the investigation

    論文通過研究,建立了性柱問題的哈密頓基本理論,即對偶
  19. The symplectic system of the viscoelastic cylinders is discussed in this paper only. for whole viscoelastic problems, the hamiltonian system should be researched further

    本文僅就性柱問題的對偶進行了研究,而對整個性力學問題的哈密頓方法只是一個開始。
  20. By means of the theory and the computational methods and via the laplacian transform, the viscoelastic problem can be come down to fundamental problems under the phase space. then hamiltonian system is introduced into the space

    論文採用理論與計算相結合的研究方法,通過拉普拉斯變換將性力學問題歸結為相空間的基本問題,進一步在相空間中引入辛
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