hybrid element 中文意思是什麼

hybrid element 解釋
雜交元
  • hybrid : n 1 【生物學】雜種,雜交種;混血兒。2 (由兩種來源的東西組成的)混合物;受過兩種不同文化傳統教育...
  • element : n 1 要素;成分;(構成)部分;分子。2 【化學】元素;【數學】元,素;【機械工程】單元;單體;【無...
  1. Abstract : incompatible element nh11 and hybrid stress element 18 were employed to analyze rock burst occurring in coal face 9108 of sanhejian coal mine. compared with the results from ansys, the two optimized fems can execute more accurate numerical simulation in the research of rock burst as well as other rock problems and lessen the errors from inaedquately meshing in huge calculations due to the limitation of labor and computer time. in addition, the criterion of averaged generalized stress rate was proposed and used to determine the site and moment of rock burst. the given conclusion is in accordance with the face of coal face 9108 very well

    文摘:利用優化非協調元和雜交元分析了三河尖礦沖擊礦壓,並與ansys程序的計算結果進行了比較.認為優化有限元在沖擊礦壓乃至巖石材料的數值模擬中能給出更為精確的結果,也可減小大型計算中由於人力、機時所限粗分網格產生的誤差.分析中,採用了廣義平均應力率準則來判斷沖擊點位置和沖擊時刻,所得結論與實際情況吻合
  2. Many test cases are calculated to verify the above study. the cases are either real or standard testing models, including multi - element airfoil, wing - body configuration, cone / cylinder missile model and 3 - d high - lift systems, etc. the results of present calculation are in good agreement with experiment data, and show flexibility and accuracy of the approaches. base on the cartesian grids, this thesis has targeted the development and integration of many algorithms and techniques such as adaptive refinement, omni - tree data structure, hybrid grid method, etc. an analysis software and research methods are designed and developed for the steady - unsteady and viscous - inviscid flow complex systems and configuration

    7 .運用上述研究成果和結論,進行了大量算例的實驗驗證,外形范圍包括多種標模與型號,涉及多段翼型、 m6機翼、細長體模型、翼身組合體、兩段機翼增升標模、帶縫翼和襟翼的三段增升翼身組合體等復雜外形,計算結果均與實驗吻合良好,充分說明了本文發展的各種演算法、流場求解、網格生成方法的正確性和魯棒性。
  3. Based on the theories of hybrid / mixed finite element method, the generalized energy functional including stress, mechanical displacement, electric displacement, electric field and electric potential is used, with the electric - potential relations and the constitutive equations of piezoelectric materials constrained, hybrid energy functional including mechanical displacement, electric potential and stress is gained. moreover, splitting in - plane components and transverse components, the mixed energy functional in which mechanical displacement, transverse stresses and electric potential as basic variables is derived. with the use of surface stress parameters of sub - elements, the continuity of transverse stress at interfaces between layers is obtained

    在回顧雜交混合有限元理論的基礎上,從包括位移、應力、應變、電勢、電位移、電場強度六個未知量的廣義壓電材料能量泛函出發,通過約束電場強度?電勢關系、應力與應變及電場強度的關系,得到僅包括位移、電勢、應力三個未知量的雜交變分泛函,利用一般層合板的雜交混合變分原理,分離面內分量和橫向分量,導出以位移、橫向應力、電勢為未知量的壓電層合板的修正變分泛函,作為壓電層合板的雜交元列式的理論基礎。
  4. 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。
  5. Considering slpmu - 025a produced by japan shinko motor company ltd. as our study project, this thesis presents a study on two - phase hybrid lsm, the study objects and some conclusions presented in the thesis are : ( l ) the 3d model of slpmu - 025a is formed by software maxwell 3d. then, the 3d magnetic field of the motor is analyzed by fem ( fenite element method ) analysis. here, the analysis of the magnetic field is in focus on the region of tooth - layer

    本文以日本神鋼電機株式會社生產的slpmu - 025a為研究樣機,對二相混合式直線步進電動機進行了研究,內容包括: ( 1 )用maxwell3d軟體建立了slpmu - 025a的三維模型,通過有限元分析計算了電機的三維磁場,重點分析了電機齒層區域的磁場; ( 2 )應用maxwell3d的后處理計算得到了電機的靜推力? ?位移特性,並與實驗進行了比較; ( 3 )利用matlab中的simulink建立了動態模擬模塊,模擬了電機的部分動態特性,並用實驗進行了驗證。
  6. 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。
  7. The hybrid element method is applied to get bonded materials " characteristic equations and the stress and strain fields near the tip of the interface of bonded materials

    同時本文應用雜交元方法確定結合材料特徵根,求得界面端附近的應力場和位移場。
  8. The numerical results show mat the fem models applied in this paper are correct, and the hybrid element method is effective in approving calculation efficiency

    雜交元計算結果表明對于求解應力奇異性問題,構造合適的雜交單元可以有效的提高計算效率。
  9. After that in chapter four, a axisymmetric hybrid stress finite element for piezoelectric media is presented on the optimization condition for the coupling of electrical and elasticity. it ' s practicable and rational in the numerical example. in the fifth chapter, we study the p - version hybrid stress fem

    本文還研究了基於升階譜的雜交應力元方法,建立了一系列p 5的高階雜交應力單元列式,數值計算結果顯示採用正確的高斯積分,將使得本方法切實可行,同時兼有升階譜和雜交元的優勢。
  10. The numerical example shows that if we use the correct guess integral, this method will give right answer. it has good performance for both p - version and hybrid stress fem. last, a hybrid stress finite element with second stress completion is presented, which keeps the virtue of normal hybrid finite element, especially good for incompressble material, because it can avoid the self lock of displacement and instability of stress results

    第一部分還首次提出了一個滿足二次應力完備的雜交應力單元,它的應力滿足二次應力完備,而且通過巧妙的應力插值函數,避免了一般雜交應力元的矩陣求逆過程,而通常這個求逆過程都是很耗時的,這個二次應力完備雜交元保持了一般雜交元的優點,對于不可壓縮問題具有較好的性能。
  11. This paper try to mix the finite strip method and hybrid stress element, and deduce a numerical and computer method which combines the advantages of the two methods - mixed hybrid finite strip method ; analyze the intensity and stability of the orthotropic plate by this method ; deduce the formula of the orthotropic plate ' s analysis and calculation under this method ; compile the program of orthotropic plate ' s mixed hybrid finite strip method ( hfsop. for ) with fortran - 77 language, and perform them under fortran90 environment of pc computer ; comparing with traditional methods by example of computing, prove that the mixed hybrid finite strip method have better degree of accuracy, moderating the stiffness of plate, coming more close to actual conditions, avoiding over - hard or over - soft ; finally, this paper analyze the stability of a orthotropic plate by this method, and deduce the - value of critical stress

    論文將有限條法和應力雜交元法兩者結合起來,導出一種兼有兩者優點的數值計算方法? ?混合雜交有限條法。運用這種方法對正交異性板的強度和穩定進行了分析,推導出正交異性板在這種方法下的分析計算公式,用fortran - 77語言編寫正交異性板混合雜交有限條法程序( hfsop . for )在微機fortran90環境下運行。通過算例與傳統的方法比較,驗證混合雜交有限條法有更好的精度,使板的剛度適中,更接近實際情況,避免「過硬」或「過軟」 ;最後,論文還用此方法對一正交異性板進行了穩定分析,得出臨界應力值。
  12. This technique combines the edge - based finite - element method with physical optics ( po ) and physical theory of diffraction ( ptd ). the hybrid technique is applied to compute the scattering fields from the electrically large bodies with cracks and cavities on their surfaces. it is also used to analyze the scattering characteristics of microstrip antennas residing in a cavity mounted on metal objects with finite sizes

    本文採用edge - basedfem為基本方法,結合物理光學法( po ) 、物理繞射理論( ptd ) 、邊界積分方程( bi ) 、區域分解技術( ddm )和完全匹配層( pml )吸收邊界條件等求解方法構成的混合方法,對電磁散射和輻射問題進行了研究,主要包括以下內容:提出了一種edge - basedfem與物理光學方法和物理繞射理論相結合的混合方法? fem po - ptd方法,並將該混合方法應用於帶有腔體或槽縫的電大尺寸導體目標的電磁散射特性分析和位於有限導體目標上的背腔式微帶貼片天線的電磁散射特性分析。
  13. A hybrid technique of fem with boundary integral ( bi ) technique is employed firstly for the evaluation of electromagnetic scattering by microstrip fractal patch antennas residing in a cavity. the calculated results show that the electromagnetic scattering of the microstrip fractal patch antennas residing in a cavity depends largely on the driven element rather than on the parasitic fractal elements

    將edge一basedfem與邊界積分方程相結合,分析了背腔式分形微帶貼片天線的電磁散射特性,得出了分形微帶天線的電磁散射特性主要由分形微帶天線的激勵單元而不是由寄生單元決定的結論。
  14. Since it is difficult for the cable or beam model to consider the large deformation in the pipe crossing section, the fem analysis with shell element has been proposed to investigate the response of pipe. takada ( 2000 ) proposed a simplified design formula to obtaining the maximum strain in steel pipes based on the parametrical study using a beam - shell hybrid fem

    現在的抗震規范和有關研究中,還很少有估計大變形時管子內的應力應變的方法,雖然2000年高田至郎等人基於殼有限元模型的參數研究提出了設計用的簡化計算公式,但在他們的分析模型中存在一些問題有待改進。
  15. Yeast one - hybrid assay revealed that all of the four dreb proteins specifically bound to the dre element

    經酵母單雜交驗證,每個dreb蛋白都能與順式作用元件dre結合,啟動下游基因的表達。
  16. When analyses the static force, this paper uses the boundary element method and the combined theory of mechanic system to compound the staffs system, and regards the component as elastic body, thus the static model of the hybrid mechanism is built, then, analysis their mechanic instance and distortion

    在受力分析時,本文利用邊界元法和機械繫統合成的結合部理論合成桿件系統,並將構件作為柔性體,對搬運機器人混聯機構進行靜力學建模,並對其進行受力及變形分析。
  17. According to a practical ship structure, three - dimension spatial structure system is established by adopting hybrid girder element and sp panel element

    針對船舶的實際結構,採用雜交梁元和加筋板格元來模擬船舶空間三維結構體系。
  18. A new four - node axisymmetric element ach8 is derived based on the combined hybrid variational principle, which uses wilson ' s displacements and linear stress suffering from energy compatibility. the resulting element exhibits excellent results in displacements and stresses and is suitable for nearly incompressible materials without any locking phenomena, insensitive to mesh distortion

    本文首先基於組合雜交變分原理推導出4節點的軸對稱元ach8 ,其位移插值採用wilson非協調位移模式,應力在等參坐標系下採用關于wilson位移完全能量協調的不完全線性多項式。
  19. We also review parallel computing model, parallel programming model and the software engineering for numerical applications. ( 2 ) on spectral element method and parallel computing of 2 - d spectral element shallow water model i ) we put forward a hybrid - local - basis theorem, and give two kinds of local basis schemes fitting for both the chebyshev polynomials and the legendre case

    ( 2 )關于譜元素方法及兩維半隱譜元素淺水波模式的并行計算? )依據切比契夫多項式和勒讓德多項式的計算特點,提出了一個混合局部基函數預備定理,給出了兩類混合局部基譜元素格式。
  20. By utilizing the finite element analytical calculation and impacting fatigue test, hybrid ratio and mode of hybrid of bicycle frame in hybrid fiber compound materials were determined, and the optimal design was carried out

    利用有限元分析計算和沖擊疲勞試驗,確定了混雜纖維復合材料自行車車架的混雜比、混雜方式,並進行了優化設計。
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