one dimensional stress 中文意思是什麼

one dimensional stress 解釋
單軸應力
  • one : adj 1 獨一個的,單一的。 one hand 一隻手。 one shot 只出一期的雜志。 O swallow doesn t make a sum...
  • dimensional : adj. 1. 尺寸的。2. 空間的。3. 【數學】因次的;…次(元)的。
  • stress : n 1 壓力,壓迫,緊迫,緊張。2 【語音】重音;重讀;【詩】揚音;語勢,著重點。3 重要(性),重點,...
  1. Perhaps the simplest illustration of the role of stress waves in dynamic crack propagation and crack arrest is given by the one-dimensional analysis of the double torsion specimen.

    也許最簡單地說明在動態裂紋擴展和止裂中應力波的規律是由雙扭(DT)試件的一維分析給出的。
  2. In other words, the process of analyzing relaxation zone related to one safety factor can also be regarded as the process of searching potential slide surface related to the same safety factor. elastic wedge model is used for analysis of relaxation zone of cutting homogeneous slope. on the basis of elastic plane - strain theory, the relaxation zone can be calculated according to mohr - coulomb or drucker - prager law and single tension intensity principle which are both related to one safety factor after three - dimensional stress field of the cutting slope is got

    提出均質邊坡開挖鬆弛區可以用彈性理論中的楔形體理論分析,在平面應變問題的基礎上得到開挖坡體的三向應力場之後,可運用考慮安全儲備后的強度條件(主要為摩爾?庫侖或德魯克?布拉格強度準則和單軸抗拉強度準則)解析坡體分步開挖過程中的鬆弛區范圍,給出了具體的計算步驟,並通過算例較詳細地說明了操作過程。
  3. By the test of saturated soil and unsaturated soil, this paper enquiry that the stress - strain relationships of compacted soil under one dimensional consolidation is perfect hyperbole

    本文通過重塑土(飽和和非飽和)室內試驗,探討了一維情況下壓實土的應力應變關系呈現很好的雙曲線形式。
  4. To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented

    避免目前平面連續體結構拓撲優化過程中經常出現的單元鉸接以及「棋盤格」等現象,研究了連續體結構拓撲優化過程的拓撲分析方法,以及在計算機上實現的簡便演算法.根據代數拓撲理論,單元及連續體的邊界作為1 -復形進行運算.利用圖論中的鄰接向量概念,在計算機上實現了結構的拓撲描述及拓撲運算,得到了結構在拓撲演化過程中的拓撲特性,方法簡單、可靠.在一定的拓撲約束下,根據應力分析結果,採用刪除單元、單元退化、移動節點等方法,可以用較少單元得到更為滿意的結果,提高計算效率.為演示方法的有效性,給出幾個包括常見經典問題的解答
  5. Two methods " principle of three dimensional stress determination developed from the above four basic ones by yangtze river scientific research institute are presented, one based on hydraulic fracturing and hydraulic tests on preexistent fractures in single borehole, another one based on ckx - 97 hollow package 3 direction strain gauge

    並對長江科學院完善的單鉆孔中水壓致裂法三維地應力測量和ckx - 97型空心包體式鉆孔三向應變計的三維地應力測量的計算公式作了推導。
  6. Firstly, by the method of laplace transform, one dimensional consolidation of one - layer gibson soils under time - depend loading is studied and the analytical solutions in frequency domain are obtained. on the basis of the solutions obtained and the computation through programming, the influence of some parameters and loading conditions on the consolidation behavior under trapezoidal, triangular and rectangular cyclic loading, is investigated. secondly, one - dimensional consolidation of one - layered gibson soils with semi - pervious boundaries is studied in this paper, and according to numerical examples, some characters of consolidation such as the effective stress and settlement in the soils under arbitrary loading are found

    首先運用了laplase變換獲得了單層gibson地基(壓縮模量隨深度線性增加的地基)在任意荷載下頻域內的一維固結解析解,通過laplace逆變換,基於以上解答用數值方法編製程序對單層地基在常見荷載(驟加荷載、緩加荷載、矩形波載、三角形波載)作用下的一維固結性狀進行了討論,並與傳統的太沙基理論進行了比較。
  7. With the method of the lie group transformation, the symmetry of the equation governing one dimensional finite strain consolidation is discussed and, from the point of the symmetry, the feasibility to obtain the analytical solution of these nonlinear partial differential equations is discussed. where - after exact or approximate analytical solutions focused on different consolidation problems are obtained, these including : under some assumptions of relations of the void ratio with coefficient of permeability and effective stress, the method of lie group transformation is applied to solve the non - linear partial differential equation of large strain consolidation of homogenous saturated clay soil in semi - infinite domain with the consideration of the material and geometrical nonlinearity during consolidation procession. the implicit exact solution without considering the effect of self - weight of soil is obtained

    運用lie群變換方法討論了一維大應變非線性固結方程的對稱性,以及在該對稱性的意義下求解這類非線性偏微分方程解析解答的可能性,並就大應變非線性固結問題的多種情況求得了其完整的或者近似的解析解答,具體包括:基於有效應力與孔隙比以及滲透系數與孔隙比之間的關系的一些假定,採用李群變換求解考慮材料非線性和幾何非線性的半無限均質土體大變形固結非線性偏微分方程,得到了一個不考慮自重固結的完全解析解。
  8. The research indicate that the structured soft clay has below several characteristic, the viscous strain is produced during the stage of primary consolidation and of second consolidation, and in the prophase, the relation of stress - strain - strain rate is unique, so the form of constitutive model, such as, f ( v ', e ) = 0, f ( ' v, e, t ) = 0, ca n ' t describe strain behavior of soil skeleton rationally ; the time - dependent properties involve three aspects, in addition the time - dependent strain, apparent preconsolidation pressures that depend on strain rate, and the effect of creep compression on apparent preconsolidation pressures ; because of holding structural strength, the mechanics characteristic is determined by the magnitude of stress, and the compression curve is composed of several sections. by combining structural yield stress and it ' s characteristics with the improved time line model, a new one - dimensional elastic visco - plastic consolidation model is established

    研究結果表明,結構性土的固結過程具有以下特性:主固結和次固結階段都包含有因土骨架的粘滯性移動而產生的變形,而且在正常固結階段,存在應力?應變?應變速率的唯一性, f ( _ v , e ) = 0 、 f ( _ v , e , t ) = 0形式的本構關系不足以描述土骨架的變形行為;固結壓縮過程中的時間效應包括三個方面的內容,除了應力應變關系與時間相關外,還包括粘滯性變形引起表觀前期固結壓力增加和屈服應力的應變速率效應;軟土的結構性使其力學特性與應力水平相關,壓縮曲線具有分段性。
  9. It has been shown that in one - dimensional consolidation problem considering rheological characteristics of soil, there exists two consolidation degrees defined in different terms, i. e. up which is in terms of effective stress and us which is in terms of settlement. while up shows the rate of the dissipation of excess pore pressure ( or the increase of effective stress ), us indicates the rate of the development of the surface settlement of the system. and there exists significant difference in numerical value between up and us, especially for layered soils

    分析研究表明:當考慮土的流變時,存在著兩種不同定義的平均固結度,即按有效應力定義的固結度u _ p和按沉降定義的固結度u _ s ,前者反映了地基中超靜孔壓的消散率(或有效應力的增長率) ,而後者反映的則是地基表面的沉降率,兩者在數值上有較大的差異,特別是對于成層地基。
  10. Although the stress history of soil has great influence on its compressibility and consolidation behavior, the one - dimensional consolidation theory of terzaghi ' s so far widely used cannot take consideration of the effect of stress history

    雖然應力歷史對土的壓縮和固結性狀有很大影響,但目前仍廣泛應用的太沙基( terzaghi )一維固結理論並不能考慮應力歷史的影響。
  11. Second, a finite element program with four nodes - rectangle element is coded. a one - dimensional problem is analyzed with this program, and in turn, the creep and stress relaxation behaviors of articular cartilage under confined compression are numerically simulated

    其次,編制了四結點四邊形單元有限元程序,分析了一維多孔柱體算例,並進而對關節軟骨圍限壓縮的蠕變和應力鬆弛行為進行了數值模擬。
  12. Based on g - w contact model, two rough surfaces in contact were simplified to a smooth one and a rough one which has regular rectangular asperities, and a three - dimensional transient thermal and stress coupled fem model was established using thermal - structure sequential coupling. the course of the sliding with friction was simulated using the nonlinear multiphysics field fem, meanwhile considering thermal - elastic problems of the two bodies, to calculate and analyze the temperature, contact pressure and stress of the sliding contact surfaces with frictional heating

    基於g - w接觸模型,將兩個粗糙表面簡化為一個有規則排列的長方體微凸體的粗糙表面與一光滑表面,利用熱結構順序耦合建立三維瞬態有限元計算模型,考慮兩個物體摩擦接觸的熱彈性問題,採用非線性有限元多物理場來實現,對粗糙表面接觸模型的瞬時摩擦溫度場、壓力場和應力場進行了計算分析。
  13. Perhaps the simplest illustration of the role of stress waves in dynamic crack propagation and crack arrest is given by the one - dimensional analysis of the double torsion specimen

    也許最簡單地說明在動態裂紋擴展和止裂中應力波的規律是由雙扭( dt )試件的一維分析給出的。
  14. Then, this paper utilizes the units and junctions to have the finite element analysis and calculation and analyze the dynamic response of the massive - head dam by one - dimensional cantilever beam method 、 stimulating static method and response spectrum method. finally, the dynamic displacement and dynamic stress of massive - head dam under earthquake could be got

    並在此基礎上,採用一維懸臂梁法、擬靜力法、反應譜法分析了大頭壩的動力響應,得到了地震作用下,大頭壩的動位移、動應力。
  15. In this thesis, based on the principles of hydraulic mechanics and soil mechanics, the change of effective stress in soil mass and the settlement of ground surface induced by dewatering during excavation both in homogeneous soil and in layered soil were studied. analytical formulas for calculating the settlement and the others were derived under the assumption that the seepage induced by dewatering is one - dimensional and vertical

    本文運用水力學和土力學的基本理論,在一維豎向滲流的假定下對均質土和成層土中基坑開挖降水引起的坑內外土中應力變化及周圍地表沉降的計算方法進行了較深入的研究,推導了相應的地表沉降等計算公式。
  16. In this thesis, one - dimensional consolidation theory of saturated soil considering the effect of stress history is studied in detail

    本文在前人工作的基礎上對考慮應力歷史影響的單層飽和土地基一維固結理論進行了較詳細和深入的研究。
  17. Finally, by using the two computer codes, a great amount of computation is made through typical numerical examples, and the behavior of one - dimensional linear consolidation and the one of nonlinear consolidation with effect of stress history of soil are illustrated

    最後,通過典型的算例,利用上述兩個程序進行了大量的計算分析,揭示了考慮應力歷史的飽和土一維線性固結和一維非線性固結性狀。
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