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- Ideal Elasticity Plasticity model is used to simulate the constitutive relation of soils, and linear elastic model is used for concrete of piles. 地基采用理想彈塑性模型,樁身混凝土用線(xiàn)彈性模型模擬,樁-土界面設置了有厚度的薄單元。
- The undrained behaviors of a compacted clay with positive dilatancy and a medium sand with negative dilatancy wera predicted using above-mentioned three models, Duncan EB and linear elastic model with parameters determined from the CD test data. 用上面三種模型及鄧肯EB模型和線(xiàn)彈性完全塑性KG1模型對具有剪縮性的白河堡擊實(shí)粘性土和具有明顯剪脹性的承德中密砂固結不排水試驗作了預測比較。
- To non?linear elastic deformation of soil during the excavation of pit foundation,this paper proposes nonlinear elastic model with Duncan?Chang model to stimulate construction process; 針對基坑開(kāi)挖過(guò)程中土體的非線(xiàn)性彈性變形,本文采用鄧肯-張模型進(jìn)行反演計算,用非線(xiàn)性彈性有限元法模擬基坑的開(kāi)挖過(guò)程。
- The FBC is a non linear system which is chaotic. 流化床燃燒系統是一個(gè)具有混沌特性的非線(xiàn)性動(dòng)力系統;
- A new type of non linear self repairing control strategy based on model following method using radial basis function (RBF) neural networks is presented. 提出一種基于徑向基函數(RBF)神經(jīng)網(wǎng)絡(luò )的模型跟隨非線(xiàn)性自修復控制方法。
- According to anisotropic theory,we constructed a continuum model and analysed the linear elastic and non-linear properties of the fiber bundle that was not twisted. 根據各向異性彈性理論,構建連續體模型,應用彈性力學(xué)方法,分析了非加捻纖維束線(xiàn)彈性和非線(xiàn)性性能;
- To illustrate the foregoing analysis, consider a linear elastic solid. 為了舉例闡明以上的分析,我們考慮一種線(xiàn)性的彈性固體。
- non linear elasticity 非線(xiàn)性彈性學(xué)
- In this paper, the adaptive model tracking control (AMFC) is studied and used in the flight simulation servo system for the non linear characterstics of the system and for the specific demands of the dynamic performances. 針對飛行仿真伺服系統動(dòng)態(tài)性能要求的特殊性和系統本身的非線(xiàn)性 ,提出了自適應模型跟蹤的有效控制方法。
- The kinetic data was measured with a non gradient reactor, The parameters of the model equation were calculated based on experimental results by the Powell non linear regression method: k 1=0 152e -62073RT , k 2=8.18e -2384RT ,k 3=0.221e -18949RT . 采用內循環(huán)無(wú)梯度反應器測定了SO2 氧化反應動(dòng)力學(xué)數據 ;并利用 Powell法對動(dòng)力學(xué)模型進(jìn)行參數估值 ;得到 :k1=0 .;15 2 exp(- 6 2 0 73/ RT);k2 =8
- Logically the elastic model investigations can proceed in parallel with and in conjunction with theoretical analyses. 在邏輯上彈性模型試驗能夠與理論分析平行并可同時(shí)進(jìn)行。
- By which linear and non linear frequency response function was estimated, and nonlinear stiffness coefficient and damping coefficient of the model were optimized by least square method in this paper. 利用該方法對非線(xiàn)性頻響函數進(jìn)行估計,并利用了最小二乘法對模型的非線(xiàn)性剛度系數和非線(xiàn)性阻尼系數進(jìn)行了優(yōu)化。
- At last, an inverse dynamics correction approach is used to correct the “super-elasticity” effect of linear elastic models.The proposed model can provide a fast and visually realistic simul... 最后使用逆向動(dòng)力學(xué)方法對線(xiàn)彈性模型的“超彈性”現象進(jìn)行修正.;該模型可以對表面網(wǎng)格模型的彈性形變進(jìn)行快速、逼真的模擬
- NON LINEAR VOLTAGE DEPENDENT DISC HARGE RESISTORS By Power Development Co. Ltd[S]. 中國科學(xué)院等離子體物理研究所.;二灘水力發(fā)電廠(chǎng)勵磁系統咨詢(xún)報告[R]
- By using linear elastic theory, formulae for tangential stress on ellipse edge are derived. 根據線(xiàn)彈性理論,導出了橢圓裂紋邊緣的切向應力的表達式。
- The present study is useful for non linear analysis,crack analysis,and overloading analysis of arch dams. 根據該模型編制了相應的程序,并對小灣拱壩進(jìn)行了非線(xiàn)性分析、超載分析及開(kāi)裂范圍和開(kāi)裂尺寸的研究。
- In this paper, a new method of the inversion of linear elastic stress field using geodetic data is proposed. 本文基于地表大地測量位移觀(guān)測值,提出用大地測量監測資料反演戲彈性構造應力場(chǎng)方法。
- In this paper,Duncan-Chang nonlinear elastic model of soil is transformed intoan elastoplastic model through a clever means. 本文巧妙地將土體的Duncan-Chang非線(xiàn)性彈性模型轉化為彈塑性模型。
- A non linear photochromic mask layer can be utilized for super resolution optical data storage. 利用光致變色介質(zhì)的非線(xiàn)性效應特性制成掩膜,可以實(shí)現超分辨率光存儲。
- This paper analysis the limitations of traditional optimization metheods for a kind of non linear programming(NLP). 對間歇化工過(guò)程用水網(wǎng)絡(luò )優(yōu)化提出了基于非線(xiàn)性規劃的優(yōu)化設計方法。