anisotropic materials 中文意思是什麼

anisotropic materials 解釋
異方性材
  • anisotropic : adj. 1. 【植物;植物學】對外界刺激有不同反應的。2. 【物理學】各向異性的。anisotropically adv.
  • materials : 版本
  1. In heterogeneous anisotropic materials the heat flow vector and conductivity are more complex.

    在各向異性的非均質材料中,熱流向量和熱導率很復雜。
  2. For anisotropic materials fourier's law must be formulated in a more generalized form.

    對于各向異性的物質來說,傅里葉定律必須改寫成具有更普遍意義的形式。
  3. In heterogeneous anisotropic materials the thermal diffusivity cannot be described by a single number.

    在各向異性的非均質物質中,熱擴散率不可能用一個簡單數字來表達。
  4. Meanwhile, we discuss the static electric field distribution in anisotropic materials caused by the applied voltage on the electrodes, which will help to decrease the driving voltage. finally, the device was fabricated during the course of this research

    文章同時還利用fd - bpm法初步分析了各項異性材料中的電場的靜態分佈,為提高電場與光場的耦合因子,減小半波電壓奠定基礎。
  5. The following results of recent researches were presented on measuring stiffness of a wide range of soils such as clay, sand and gravel, characterizing anisotropic properties of soil induced by external loading, measuring stiffness of base and subgrade materials in the pavement, determining soil properties in a centrifuge model during the flight of a centrifuge, and understanding wave propagation in granular materials under micro - gravity environment with this technique

    木文報道了壓電陶瓷傳感器應用於粘土、砂和礫石等不同種類土的研究成果,對應力導致土體各向異性的研究,對路基和地基土的力學特性檢測,在離心模型試驗中的應用,以及在微重力環境下的粒狀材料中波的傳播特性的研究等。
  6. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異性板彈性問題的級數解形式;利用雜交變分原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊損傷模型,引入基於特徵曲線和yamada - sun破壞準則的點應力判據,建立了含損傷復合材料層板剩餘強度的分析方法;通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。
  7. After that, according to thermal conduction theories of anisotropic materials that were irradiated with continuously modulated laser, a photothermal measuring method about the thermal conductivity tensor and the orientation of the principal axis of the conductivity of arbitrarily opaquely anisotropic materials in the descartes coordinate axes was given by virtue of the theories of so ( 3 ) group rotation

    隨后又以在連續調制光輻照下的各向異性介質的熱傳導理論為基礎,通過so ( 3 )群轉動理論,導出確定任意不透明各向異性介質在笛卡兒坐標下的熱導張量和熱導主軸方向的測量方法。
  8. Secondly, the paper analyzed the behavior of isotropic and orthogonal anisotropic materials " cws on the basis of above theory and software. regularities of cws " deformation inner force and shared load and earth pressure in excavating stage and driving stage were gained. regularities influenced by material features top beam excavating depth sidewall depth properties of soil layers rear backing and location of load were also obtained, especially rules of display degree exerted by circular and vertical loads were also obtained

    通過分析,得到了形成階段及頂進階段圓形工作井的變位、結構內力、分載及土壓的分佈規律及材料性質、頂冠梁及圍檁、開挖深度、井壁插深、土層性質、后靠背、頂載作用位置等因素對結構受力性狀的影響規律,特別是得到了工作井在受力時結構環向與豎向承載作用發揮程度的規律。
  9. In order to solve the singular stress fields in tips of bonded dissimilar anisotropic materials, a novel hybrid element model is established

    摘要為了求解各向異性接合材料界面端部奇異性應力場,建立了一種新型雜交元模型。
  10. Eigenequation about singularity, singular stress fields and electrical displacement fields near the interface edge are obtained under axisymmetric distortion. finally, a special finite element formulation which is based on the principle of minimum potential energy has been developed for determining the orders of the singularity of the singular stress fields around the singular point ( interface edge, interface corner and the interface crack ) in the bonded dissimilar anisotropic / anisotropic, piezoelectric / piezoelectric as well as piezoelectric / anisotropic materials. the numerical results show that this method is very convenient and efficient

    最後,從最小勢能原理出發,在僅僅考慮奇異性支配區域這一前提下,對于彈性接合材料的平面變形問題和擬平面應變問題,以奇異點為原點分別建立極坐標系和圓柱坐標系,通過分部積分消除廠項,從而使奇異性問題的求解由原來的二維降為一維;對於三維變形問題,以奇異點為原點建立球坐標系,通過分部積分消除項,從而使奇異性問題的求解由原來的三維降為二維。
  11. We give ptr ' s amplitude and phase signal of one dimension based on the theory of ptr, discuss the ptr ' s signal ' s frequency characteristic, and a method for measuring thermal diffusivity of opaque materials is introduced. then, we study on anisotropic materials " thermal conductivity, the temperature field and thermal conductivity tensor of anisotropic materials is theoretically deduced from the theory of ptr, and is proved by the experiment

    從光熱輻射理論出發,推導出一維情況下ptr信號的振幅和位相表達式,討論了光熱信號的頻率特性,介紹了一種用ptr技術測量不透明材料熱擴散系數的優化方法;接著研究分析了各向異性介質受調制激光束輻照下產生的光熱信號,在理論上推導出各向異性介質的溫度場以及熱導率張量並給予一定的實驗驗證。
  12. From basic equations of elastic mechanics, related knowledge of fracture mechanics and frequent used methods of differential and integral calculus, bending fracture models of anisotropic functionally graded materials is established by assuming that material constants ( stiffness matrix component ) are expressed in arbitrary functions

    根據彈性力學的基本方程以及斷裂力學的有關理論及微積分方法,將材料常數(剛度系數)設為空間變量的任意函數,建立了各向異性功能梯度材料板彎曲斷裂模型,即三類偏微分方程邊值問題。
  13. The bending fracture problems of cracked plate for anisotropic functionally graded materials under loads of pure bending, pure twisting or bending and twisting are discussed

    摘要探討各向異性功能梯度材料裂紋板受純彎、純扭、彎扭載荷作用下的彎曲斷裂問題。
  14. 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模量遠低於四點彎曲試驗結果的原因:材料的各向異性和泊松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
  15. Abstract : the process of axisymmetric drawing of anisotropic materials is considered

    文摘:研究了軸對稱拉伸各向異性材料的過程。
  16. Sm can be applied to anisotropic materials. sm reconciles empirical and elastoplastic models and our experimental knowledge of soil behavior and is easier and more practical

    它試圖與各種經驗模型、彈塑性模型和土料的試驗結果協調起來,從理論上理解更為容易,操作更為方便。
  17. Interface crack interacting with parallel subinterface crack in dissimilar anisotropic composite materials

    各向異性復合材料界面裂紋與界面下平行微裂紋干涉
  18. For nonstationary stokes problem, materials ' anisotropic character should be considered in a boundary layer or near the angular of the domain fj. at this time, the subdivision to region q is not of regularity or quasi - uniform and should be anisotropic grid, which can describle the facts exactly. crouzeix - raviart element and rotary q4 element are failed in anisotropic grid and many others either ca n ' t satisfy the anisotropic property or ca n ' t be used to the moving grid finite element method. it ' s proved that five nodals element presented by professor houde han can overcome this shortcoming

    常用crouzeix - raviart元和旋轉q _ 4元由於不能滿足各向異性插值特徵而失去效用。而其它許多單元或是不滿足各向異性插值特徵或是尚不能直接應用於stokes方程變網格有限元。經本文證明由韓厚德教授提出的五節點單元很好地解決了這一矛盾,這些結論以前是沒有人作過的。
  19. Based on the simulation method of finite difference time domain ( fdtd ) ( together with the boundary treatment of an anisotropic perfect matched layer of absorbing media for the truncation of fdtd lattices ) and the theory of ordinary antennas, antennas based on photonic bandgap ( pbg ) materials and meta - materials are studied in the present dissertation

    在開展有限時域差分法(結合各向異性完全匹配層邊界)演算法研究和普通天線模擬設計研究的工作基礎上,本論文主要進行了基於光子晶體( pbg )與異向介質的新型天線的研究。
  20. Two models for dynamic damage evolution of materials in general anisotropic damage state were presented ; the first one was based on power function of the effective equivalent stress and the second on the damage strain energy release rate

    研究了工程材料在動力載荷下損傷演化的計算模型,提出了一般材料在各向異性損傷狀態下的兩種動力損傷模型。第一種以有效應力的等效值的冪函數為基礎,第二種以損傷應變能釋放率為基礎。
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