非各向同性的 的英文怎麼說

中文拼音 [fēixiàngtóngxìngde]
非各向同性的 英文
non isotropic
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 4次方是 The fourth power of 2 is direction
  1. The main contents are as follows. ( 1 ) filter cloth and the surrounding soil mass are taken as an approximate isotropy in horizontal section, the relationship of stress and strain is studied, the anisotropy is fully considered, the constitutive model of filter cloth reinforcement fly - ash compound is obtained, it is tested with numerous indoor experiments. ( 2 ) the permeable coefficient is introduced into the constitutive relationship of soil mass with relevant seepage theory ( kozeny - carman experience formula ). the test of filter cloth depositing hi the condition of long term seepage flow is done hi the dissertation, the varying regular of permeable coefficient without pressure is presented

    本文首先對國內外研究現狀作了回顧和總結,然後主要針對土工織物加筋粉煤灰復合體本構關系和計算理論進行研究,主要內容有: ( 1 )將土工織物和周圍土體視為一種近似橫觀體,研究它應力應變關系,充分考慮它,得到土工織物加筋粉煤灰復合體本構模型,然後通過大量室內試驗進行分析驗證; ( 2 )引入有關滲流理論,即柯茲尼-卡爾曼( kozeny - carman )經驗公式,將滲透系數引進到土體本構關系中。
  2. The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks, detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack, a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading. the distributions of tz are minutely studied in the forward section of the cracks. strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions

    全文主要研究內容和學術貢獻如下: 1 .針對一般三維裂紋端部場應力約束準確解析困難,對均勻拉伸載荷作用下板中穿透厚度中心直裂紋、半橢圓表面裂紋和1 / 4橢圓角裂紋進行了大量詳細全場應力三維有限元分析,首次全面分析了穿透裂紋端部場三維影響區范圍,給出了不形狀三維裂紋前沿離面應力約束因子tz數值解,並結合k場平面解給出了穿透裂紋端部應力場k - tz雙參數描述。
  3. In the first part, the basic knowledge of particle scattering in meteorology and physics was introduced. the particles to be discussed include aerosol particles, fog droplets and raindrops and the em wave band in the discussion is near - infrared. in the second part, the mie theory was briefly reviewed and was applied to investigate the scattering characteristics of spherical atmospheric particles, the result shows that in the visibility measurement meter using forward - scattering method, when the working wavelegth is between 0. 8 m ~ 2 m, the scattering angle is between 25 ~ 40, the distinguishability and the relative scattering intensity would be better than those under other conditions. in the third part, the superellipsoid was used to describe a wide range of shapes such as spheres. ellipsoids and cylinders. an improved t - matrix method which can be used to calculate arbitry shaped particle ' s scattering field was introduced, and the scattering characteristics of non - spherical atmospheric particles was investigated with this method

    計算結果表明,從相對散射強度、一方上不粒子散射可區分程度來看,在散射式能見度探測儀器中,工作波長介於0 . 86 m 2 m ,探測角度選取前25度40度時,探測結果將會是比較理想。第三部分中,使用超橢球方程來統一描述球形粒子形狀,然後使用t矩陣方法計算了一些形狀球形粒子近紅外散射特。另外,在本文中還針對球形粒子散射場提供了一種三維可視化方法,使對散射場強度空間分佈理解更加簡單,直觀。
  4. Owing to the anisotropic and the biharmonic nature of microwave radar backscatter on spaceborne scatterometer, and to the scatter model function nolinear and the existence of various noise sources in the measurements in addition to the model function, the retrieval wind results consist of as many as four wind directions

    由於衛星散射計探視雷達回波雙調和質,時由於散射物理模型函數及信號中存在噪聲,使得常規點方式風場反演中風有多至4個解多解存在。
  5. Furthermore, the dual integral equations can be reduced to the fredholm integral equations of the second kind and solved by numerical procedure. at the end of this chapter, the numerical analysis for dynamic interaction characters of saturated half - space / layered ground and circular plate is evaluated. finally, the solutions for 3 - d dynamic responding of elastic rect

    基於橫觀飽和半空間/有限層地基軸對稱波動方程通解,按混合邊值問題建立飽和地基與彈圓板軸對稱動力相互作用積分方程,求解積分方程后得到橫觀飽和地基上圓板軸對稱動力響應一般解,並分析了飽和地基上圓薄板和中厚板振動若干特徵。
  6. Based on biphasic porous medium model of articular cartilage, this thesis regards the solid phase as isotropic linear elastic medium, the fluid phase as ideal fluid, the deformation as small, and the permeability depending on the volume strain of solid phase, and deduce out the finite element method for this nonlinear model

    本文針對關節軟骨兩相多孔介質模型,視固體相為線彈介質,流體相為理想流體,變形為小變形,滲透率與固體相體積應變相關,研究該模型有限元法。
  7. Thirdly, the method to calculate the 3 - d dynamic responding of layered transversely isotropic saturated soils to an arbitrary buried source in cylindrical coordinate as well as to an arbitrary harmonious source in rectangular coordinate is presented respectively. based on biot ' s wave theory, the 3 - d wave equations in cylindrical coordinate for transversely isotropic saturated poroelastic media are transformed into a group of governing different equations with 1 - order by the fourier expanding with respect to azimuth and hankel integral transform method or by the double fourier transform method with respect to horizontal coordinates in rectangular coordinate. then, transfer matrixes within layered media are derived under the continuous conditions, drainage conditions and the boundary conditions

    基於飽和土biot波動理論,通過fouricr變換,將橫觀飽和土三維軸對稱波動方程轉化為一組一階常微分方程組,再經har止el變換,建立問題狀態方程,求解狀態方程得到傳遞矩陣;利用傳遞矩陣,結合飽和層狀地基邊界條件、排水條件及層間接觸和連續條件,首次給出層狀橫觀飽和地基在任意地展力作用下三維軸對稱動力響應解析解。
  8. The high similarity in shapes and large overlapping areas of corresponded contours on adjacent cross - sectional are main conditions in reconstructing surface correctly. in accordance with the disadvantage of blurring caused by traditional gray - level interpolation methods, this dissertation introduces a method to interpolate 3d images based on point matching approach to get 3d isotropy volume data. with respect to non - similar shapes or no superposition of corresponded contours on adjacent slices and concave contours, this dissertation presents a method for shape - based interpolation based on nonuniform scale bounding box

    相鄰斷層上對應輪廓區域形狀相似和重疊部分大是保證重建表面正確重要條件,針對傳統灰度插值容易引起模糊邊界缺點,本文採用基於對應點匹配方法進行灰度插值,以獲得三維數據;針對相鄰斷層間對應輪廓形狀不相似,位置不重合和有凹輪廓線情況,提出一種基於包圍盒均勻比例放縮形狀插值方法。
  9. So, it is looked forward to being more perfect. in this thesis, beginning with the maxwell equation, we mainly do the following work based on the rigorous mathematical analysis : firstly, we present the rigorous nonorthogonal vectorial cmt for the isotropic waveguide under isotropic disturbances and anisotropic disturbances respectively. during the derivation, it is fully reflected the property of the vector and the universal fitness without any approximation

    本論文從maxwell方程出發,在嚴格數學分析基礎上主要做了以下兩方面工作:第一,分別嚴格地推導出了光波導在微擾和微擾下正交矢量耦合模理論,在推導過程中,考慮到電磁場矢量正交且沒有用到任何近似,因此具有普遍適用
  10. Like other liquid crystals ( lc ), chorlesteric phase liquid crystal ( clc ) not only owns liquidity, deformability and viscosity of liquid, but also holds the optical anisotropy of crystal

    膽甾相液晶其他液晶態物質一樣,既有液體流動、形變、粘,又具有晶體光學,是一種優良光學材料。
  11. Secondly, the bending stress equations of asymmetric involute gear with two pressure angles are derived by the theory of isotropy wedge ; the contact stress equations of asymmetric involute gear are derived by the classical contact theory of hertz ’ s

    通過討論楔原理,推導了對稱漸開線齒輪彎曲應力解析計算公式;利用赫茲公式對對稱漸開線齒輪齒面接觸應力進行了分析,推導了對稱齒輪齒面接觸應力解析計算公式。
  12. Hyperpolarizability of chiral molecule was derived from the classical model of the coupled two - vibrator. in a given condition, the expression of cubic hyperpolarizability was calculated from an isotropic chiral medium, it is also derived the macroscopic third - order nonlinear susceptibility according to the microscopic cubic hyperpolarizability

    本文從手分子耦合雙振子經典模型出發,推導出手分子超極化率.在特定情況下,給出了三階極化率表達式.基於該模型討論了手介質分子分佈宏觀極化率
  13. Block wall is supposed as a uniform material and having same properties in every direction, and its relation of stress - strain adopts the model of zhejiang university structure lab. aided by ansys, eight types of walls under level load have been nonlinear analyzed and achieved the cracking, extreme load, cracks location and form respectively. the simulation results show great agreement with experiment results

    將砌塊砌體材料做勻質、處理,採用浙江大學結構工程研究所推薦砌塊砌體本構關系,利用ansys中混凝土單元solid65模擬砌塊砌體和鋼筋混凝材料,共對八種類型墻體進行了有限元模擬分析,分別得出了種墻體初裂、破壞荷載、裂縫開展情況、應力、位移等結果,初裂、破壞荷載和實測值相差不大,模擬初始裂縫位置、形式以及裂縫開展情況與實驗結果比較吻合。
  14. It is suggested that the true triaxial test under different stress paths should be performed to derive reasonable anisotropic yield criterion and further to develop nonlinear anisotropic elastic - plastic constitutive model

    建議通過復雜應力條件下不應力路徑真三軸試驗,建立合理屈服準則,進而建立彈塑模型。
  15. In this thesis theoretical solution of inhomogeneous polar orthotropic plate was deduced and plate with clamped edges was taken as example. the displacement in radius direction, inner - force in radius direction, inner - force in annulus direction and buckling load with different core - radius ratio were worked out. the effect of core - radius ratio to the result was discussed in the conclusion

    本文從理論上推導出了均勻極正交圓板精確解,並且以夾支圓板作為算例,計算了在不核徑比情況下,圓板受外部縱均布載荷作用后位移、徑內力、環內力,以及屈曲載荷,討論了核徑比對計算結果影響。
  16. As the oil exploration aimed at anisotropy inhomogeneous porous reservoir presently, it is important to study the acoustic theory and borehole acoustic field distribution with numerical simulating so as to invent new logging methods and equipments to obtain enough information to evaluate the complex reservoir characters quantificationally and identify the hydrocarbon zone accurately

    隨著陸上油氣勘探目標趨孔隙結構復雜、均質油氣儲集層,基於地層介質測井理論顯露弊端;因此研究復雜地質條件下井筒聲場分佈特徵、為儲層解釋和發展剛井新方法提供理論依據成為必然。
  17. Toward different surgery simulation request, we simplify human soft tissue to linear model, nonlinear model, or stiff / elastic model. using stiffness coefficient, damping coefficient, and mass point density to represent the characters of stiff / elastic, anisotropy, and non homogenous of soft tissue

    對應于不虛擬手術模擬要求,將人體軟組織簡化為線、粘彈物理模型,採用組織模量、阻尼系數、密度等物理特表徵軟組織粘彈均勻等特
  18. 3 ) on the other hand, the gaussian heterogeneous anisotropic random fractured model might be a suitable model for the single - scaled and smooth heterogeneous media. the propagation of elastic waves, excited by an explosive point source in exponential ellipsoidal and gaussian heterogeneous anisotropic random fractured rocks, were simulated

    模擬了爆炸點源產生波在指數橢圓型、 gaussian型均勻隨機裂縫國防科學技術人學研究生院學位論文巖石中傳播,討論了具有不自相關長度或者不類型均勻隨機裂縫巖石對彈散射。
  19. In the paper, consolidation effects on stress and displacement distributions are n ' t taken into consideration due to supposing that foundation soil consolidation has completed after surcharging preloading. based on the inherent anisotropy and induced anisotropy of foundation soil body, transversely isotropic elastic constitutive relations are adopted to simulate half - space clastic foundation body. the relations between displacement and displacement function are proposed by extending t, ove displacement function to transversely isotropic elastic half - space

    本文假設地基土體是經過超載預壓處理過,固結已經完成,不考慮固結對應力、位移場分佈影響;基於地基土存在著固有和誘發,在前人基礎上對e地基模型進行修正,採用橫觀模型模擬無限彈半空間,將love位移函數推廣到半空間,得到位移與位移函數之間關系,然後經過hankel變換得到軸對稱問題位移、應力一般解。
  20. Accuracies of these time - distance equations are compared on the following three models : horizontally layered isotropic model, weakly anisotropic model and horizontally layered heterogeneous model, some useful conclusions are drawn

    本文針對三個典型模型:層狀均勻模型、層狀弱模型和層狀均勻模型,對這幾種時距方程進行了精度比較與分析,得出了一些有益結論。
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