finite elasticity 中文意思是什麼

finite elasticity 解釋
有限彈性
  • finite : adj. 有限的；【語法】限定的；【數學】有窮的，有盡的。n. 〈the finite〉 有限（性）； 〈集合詞〉有限物。adv. -ly ,-ness n.
  • elasticity : n. 1. 彈力，彈性；伸縮力，伸縮性，靈活性。2. 開朗的性情。
  1. It provides strong basement for the research of design. the method of structure analysis commended by this paper is based on nonlinear finite - element, diathermanous and elasticity mechanics. it found the model of a steel beam pressed by gravity and temperature in the condition of indoor fire

    本文提出的結構分析法是在大量參數分析的基礎上，以非線性有限元、傳熱學及彈性力學為基礎，利用ansys軟體，建立一個鋼框架梁在室內局部火災條件下的傳熱模型與在重力荷載及溫度荷載共同作用下的受力模型。
  2. We will not be concerned with the development of a general theory of finite elasticity.

    我們不去關心有限應變彈性學的一般理論的導出。
  3. Roll over protective structure ( rops ) is a device which installs on out of construction vehicle. the main functions are : when the vehicle rolling over. rops can prevent the vehicle from rolling over further, and reduce the possibility of rolling vehicle injures operator ; when the vehicle traveling on freezing soil. concrete and rock, it has large resist continuous impact ability ; when the vehicle overturning rops can support the whole vehicle. arrangement of falling object protective structure ( fops ) can block objects ( such as trees, rocks ) so that supply protection for operator. this problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard. on the base of theory analysis. detrudes counting formula of rops / fops deformation through founding mechanics analysis model of rops / fops at the stage of elasticity and plastoelastic. and finds a set of feasible nonlinear finite element analysis counting. lt calculates rops / fops plastoelastic deforma variable of 320hp bulldozer, bulldozer has been carried out by optimizing design method

    其主要功能是：當車輛滾翻時， rops能刺入未凍土壤而阻止車輛的進一步滾翻，降低滾翻的車輛對系著安全帶司機軋傷的可能性；保證rops在碰撞和沖擊變形不大的地面（如凍土、混疑土上、巖石）時，能具有相當大的抗連續沖擊能力；當車輛已經處于顛覆狀態時，已經變形的rops應能支撐住整車。落物保護裝置（簡稱fops ） ，其構件的布置方式要能遮蔽墜落的物體（如，樹木、巖石等） ，以便對司機提供適當的保護。本課題主要通過了解國內外有關對rops fops的研究情況和有關國際標準的制定，對大型推土機傾翻和落物保護裝置進行研究，在理論分析的基礎上，通過建立rops fops的力學分析模型，推導彈性、彈塑性階段rops fops變形的計算公式，建立一套可行的rops fops的非線性有限元分析計算方法。
  4. Lastly the above stiffness matrix, the nodal variables of which are the dual of stress functions, is replaced by a new one with simple displacements vector regarded as unknown. such finite element satisfies homogeneous equilibrium equations and can pass the patch test as long as the original plane elasticity element can pass the corresponding patch test

    所得到的板彎曲單元在單元內部滿足齊次平衡方程，並且只要原始平面彈性單元能通過常應變分片試驗則轉換得到的板單元一定能通過常曲率分片試驗。
  5. Based on the relaxation constitutive theory of viscosity - elasticity under non - constant temperature, the equation of thermal conduction in solids, and the finite element method, the non - stationary thermal stress in low carbon steel thick hollow sphere is calculated

    摘要基於變溫粘彈性鬆弛型本構理論、熱傳導方程和有限元方法，對低破鋼厚壁球的非定常熱應力進行了分析。
  6. Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly

    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，得到了含多裂紋有限大板在任意載荷作用下應力場的級數解，並應用斷裂力學方法確定裂紋尖端的應力強度因子；引入當量屈服應力考慮裂尖塑性區的影響，提出基於帶屈服準則的剩餘強度分析模型，能夠充分考慮結構尺寸和裂紋之間相互作用對應力場的影響；通過數值計算詳細討論了結構尺寸和裂紋之間位置關系對應力強度因子和結構剩餘強度的影響規律，得到了一系列對工程應用具有實用價值的結論。
  7. 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。
  8. The paper depicts the elasticity with euler form and associates the form with depiction of behavior of fluid. the method takes the velocity as basic variables and then derives the left - deformation tensor from the velocity in order to deal with the time - independent motion. at last in this chapter the equations of the finite flow - element are set up from the principle of the virtual work

    首先建立流管元的概念，對彈性固體相關的部分採用euler描寫，並融入流體行為的描寫中；以速度為變量，反推左變形張量，用於處理流固物質的定常運動，給出了控制方程和相應的變分式；以此為基礎發展了一套相應的有限流管元演算法。
  9. Point to above problems, under the financial support of the national natural science foundation ( exploration of high tech and new concept and new conceive ), the excellent young teachers program of ministry of education and national excellent doctoral dissertation special foundation, the static and dynamic real - time computation of elasticity - plastic mechanics, solving method of fuzzy finite element and other problems were studied in this paper. and some achievement was gained as following : ( 1 ) based on the positive definiteness of system stiffness matrix of finite element that was modified and the form of potential energy function of elastic body, the linear system of saturation mode ( lssm ) was introduced into the neural computation of finite element, by which the no - error solving of finite element neural net computation was realized in theory

    針對上述問題，在國家自然科學基金（高技術新概念新構思探索） 、教育部優秀青年教師資助計劃、高等學校全國100篇優秀博士學位論文作者專項基金等的資助下，本文對彈塑性力學問題的動靜態的實時計算、模糊有限元的求解方法等問題進行了系統和深入的研究，取得了以下成果： （ 1 ）根據有限元總剛矩陣經修正後具有正定性的特點以及彈性體勢能函數的具體形式，將飽和模式的線性系統（簡稱為lssm系統）引入到有限元的神經網路計算中，在理論上實現了有限元神經網路計算的無誤差求解。
  10. 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。
  11. In this thesis, the application of combined hybrid method to axisymmetric elasticity problem and the optimization of combined hybrid axisymmetric finite elements are discussed in a manner of combination of mathematical analysis with numerical investigation

    本文從理論分析和數值實驗的角度研究了組合雜交法在軸對稱彈性力學問題上的應用和加權系數優化的原則。
  12. According to the documentation collected from domestic and abroad wang wei dong who works in huadong architect and structure institute utilizes the similar work property between the underground continuous wall and pile subjected the vertical loads, and introduces poulos method of elasticity and plastic which applies to pile foundation into the calculation for subsidence of underground continuous wall. pujialiu and yu yuzhou from water and electronic engineering of qinghua university, according to the result of three axes, define the concrete parameter utilize the model of non - linear e - b combined with the design cross section of dam in xiaolangdi, yellow river accept the total stress programme of thepd dam, and we analyze the stress and displacement of plastic concrete diaphragm wall by finite element method in comparison with the result of common concrete one. at same time, we consider the effect of the character of plastic concrete diaphragm wall which is composed of different gradients and adopting the level of stress and pulling stress infers whether the plastic concrete diaphragm wall is safe or not

    地下連續墻是一種歷史較短的施工方法，目前，砼防滲墻的設計還是以傳統的設計方法為主，根據查找國內外文獻資料，華東建築設計院王衛東利用地下連續墻與樁在豎向荷載作用下的工作性能有相似性，將適用於樁基的poulos彈性理論引入對地下連續墻的沉降計算中；清華大學水利水電工程系濮家騮、于玉貞根據三軸試驗結果確定混凝土的參數，利用非線性e - b模型，結合黃河小浪底土石壩設計剖面，採用thepd土石壩總應力程序，對深覆蓋層塑性混凝土防滲墻的應力、位移進行有限元分析，並與普通混凝土防滲墻計算結果加以對比，同時分析了不同配比塑性混凝土特性的影響，並採用應力水平和拉應力數值來判斷塑性混凝土防滲墻的安全程度。
  13. The choice dam type is especial importance, during the designed research of the rock - fill dam, particular under the rock - fill dam with very deeply cover layer, the stress and strain of the middle wall and cutting interpenetration wall of the dam foundation is mostly sensitive, whether the. design of dam is scientific and reasonable, it is very important for cutting interpenetration and stability of the dam, the article offer the reference for the design of cutting interpenetration in the foundation with deep cover with earth the water conservancy in xiaban zone, based on the study and analysis the design of cutting seep in the foundation with deep cover with earth, cutting interpenetration concrete wall and the joining model of cutting interpenetration material in body of dam and the applying effect in the practical worko based on the foundation which absorbed and summarize the achievement of design and research in the inter and outer country, for the project of the clay vertical middle wall and vertical cutting interpenetration, the asphalt concrete vertical middle wall and vertical cutting interpenetration the clay inclined middle wall and the lever carpet layer cutting interpenetration, respectively in terms of the different stage of complete period sluice period and working condition, adopting nonlinear calculate and analysis with the finite element method ; carrying the analysis and study with the 3d finite element method as to the different joining model of the left bank high slope cutting interpenetration body and the foundation concert cutting interpenetration wall ; carrying the analysis and study with the 3d finite element method as to the effect of the wall stress and strain because of the different elasticity modulus of the concert cutting interpenetration wall through the analysis and study with the different project. have comparatively all - around comprehended the various model dam, particular the distribute rule of stress and strain of the cutting interpenetration system, provide for the important evidence of the plastic area size the join model of the foundation cutting interpenetrate wall and dam body cutting interpenetrate system the choice of the dam model and the design of the structure of the dam body, the result of research and advice have very importance value in design and building for the similarity project

    工程設計中，壩型的選取顯得尤為重要，特別對于壩基有深厚覆蓋層的堆石壩，心墻和壩基防滲墻的應力和變形是壩體、壩基最敏感的部位，設計方案是否安全、科學和合理，對大壩防滲和穩定起到至觀重要的作用。本文研究分析了國內外深厚覆蓋層基礎防滲設計、壩基混凝土防滲墻與壩體防滲體銜接形式及工程實際應用效果，為下坂地水利樞紐工程深厚覆蓋層基礎防滲設計的方案選擇提供了參考；在吸收和歸納了國內外堆石壩的設計研究成果的基礎上，對粘土心墻和壩基垂直防滲方案、瀝青混凝土心墻和壩基垂直防滲方案以及粘土斜心墻和壩基水平鋪蓋防滲方案，分別按竣工期和蓄水運行期的不同工作情況進行了有限元非線性計算分析；對左岸高陡邊坡的大壩防滲體與基礎混凝土防滲墻的不同結合型式進行了三維有限元靜力計算分析和研究；對混凝土防滲墻不同彈性模量對墻體應力和變位的影響進行了三維有限元靜力計算分析和研究。通過對不同方案的計算分析和研究，比較全面的了解了各方案壩體，尤其是防滲體的應力和變形分佈規律，為壩型選擇、壩體結構設計、基礎防滲墻與壩體防滲體的結合型式以及塑性區大小的確定提供了重要依據。
  14. On the basis of this velocity field and the optimization theory, the segmented displacement of the boundary of the studied area are deduced with two - dimensional finite element model of linear elasticity

    利用這個速度場，通過構建該區二維有限元模型，結合最優化原理，反演區域分段邊界位移。
  15. In chapter 2, the partial differential equations of heat transfer and the basic equations of heat elasticity theory as well as the solution with the finite element method have been explained

    第2章闡述了熱傳導的偏微分方程和熱彈性理論的基本方程以及用有限元法進行的求解。
  16. In this paper, a generalized finite - element - based cross - sectional analysis for nonhomogenous, initially curved and twisted, anisotropic grp blades is formulated from geometrically nonlinear, three - dimensional ( 3 - d ) elasticity

    摘要針對非均勻的、初始彎扭的各向異性玻璃鋼葉片，由幾何非線性的3維彈性理論導出了常規的有限單元橫截面分析公式。
  17. By combining the displacement function of two - end fastened strip in finite strip method ( fsm ) with that of rectangular element in finite element method ( fem ), the compound finite strip - element method is used to solve plane problems with mechanics of elasticity

    摘要將有限條帶法（ fsm ）中兩端固定條和有限單元法（ fem ）中矩形單元的位移函數相迭加，運用混合條元法來求解平面彈性力學問題。
  18. Finite elasticity theory

    有限彈性理論
  19. The finite element analysis method based on contact problem is a numerical algorithm used for solving contact problem of connection interface, which is developed from the general fem. this method is a combination of elasticity theory and fem, also it is an important aspect of computational structure mechanics

    考慮接觸問題的有限元分析法是在傳統的有限元法基礎上發展起來的處理連接面接觸問題的一種數值計算方法，它是彈性力學基礎理論與有限元方法相結合的產物，是計算結構力學的一個重要分支。
  20. In the elasticity theory of nematic liquid crystals ( nlc ), physics principles are described by variation problem initially. so in this paper we use finite elements method to solve this variation problem directly

    在液晶的彈性理論中物理規律的數學描述最初是變分問題，因此本文通過有限元方法直接對這一變分問題進行數值求解。
分享友人
分享到 Line

分享到臉書