homogeneous stress 中文意思是什麼

homogeneous stress 解釋
均勻應力
  • homogeneous : adj. 1. 同種的,同質的,同性的,相似的。2. 純一的,均質的;均勻的。3. 【數學】齊性的,齊次的。adv. -ly ,-ness n.
  • 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. The initial stress or deformation fields are not usually homogeneous.

    初始脅強場或初始形變場通常並不是均勻的。
  2. 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。
  3. Numrical calculation of the tidal stress field inside the homogeneous spherical elastical earth model

    均勻彈性地球模型內部固體潮應力場的數值計算
  4. Abstract : based on the data obtained from field observations and deformation monitoring, this paper deals with the deformation and failure of a double - decked slope composed of soft rock strata in its lower part and hard - brittle rock strata in its upper part. it is demonstrated that the deformation of this kind of slopes is always initiated by the non - homogeneous rheological compression of the lower soft rock strata, leading to the tension fracture and toppling of the upper hard rock strata, and at last the sliding of the whole deformed body will be caused by the shear failure along the stress - concentration zone in the lower soft rock mass under the actions of the gravitational loading and infiltration water

    文摘:以現場考察和變形監測資料為依據,探討一個下部有軟弱基座,上部為硬脆性坡體的「二元結構」邊坡的變形破壞問題,揭示這類邊坡的變形總是以下部軟弱巖體的不均勻壓縮流變為先導,進而引起上部硬脆性坡體的拉裂與傾倒,最終通過滲入水的作用,使下部承載狀況已進一步惡化了的軟弱巖體,沿剪應力集中帶發生剪切破壞而導致整個變形坡體的下滑。
  5. 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。
  6. In the paper, other research results are summarized, and a big test model indoor of row pile retaining and protecting deep foundation pit is designed. for homogeneous soil or samdwich soil structure three different retaining and protecting kinds : dense pile, thin pile and without pile are designed, using excavation simulation and loading on the top of slope, the model test is divided into two stages : foundation pit excavation simulation stage and destroy test stage. in this paper, for three different retaining and protecting kinds, the relation between soil pressure and displacement of piles, the relation between soil stress and strain, interaction of pile and soil and retaining and protecting loss - stability destroy are systemic studied

    本文總結了前人研究成果,構築大型室內深基坑排樁支護試驗模型,在均質及層狀土層結構地基上,設計了密排樁、疏排樁及無支護三種不同支護型式,採用模擬開挖與坡頂均布加荷方式,進行了模擬基坑開挖和破壞性的兩個階段試驗,對三種不同支護型式的土壓力與樁位移、土體應力與變形、樁土共同作用及支護結構失穩破壞進行系統研究。
  7. In this paper, the numerical techniques and computational methods for limit analyses and shakedown analyses of soil structures and foundations are systematically investigated and then are employed to the assessment of the safety of the non - homogeneous foundations and the offshore platform foundations. in this dissertation, the computational method which combines elasto - plastic analysis with melan ' s theorem is developed and then applied to evaluate limit load and shakedown load of soil structures. elasto - plastic analyses are performed to obtain elasto - plastic stress field and elastic stress field

    在巖土工程領域,飽和粘土的安定現象與飽和砂土的液化早已為人所知,但是安定性理論及其分析在工程實際中並沒用受到足夠的重視,在這方面的探索研究也極為有限,這與土體穩定性評價中廣泛應用極限分析方法極不協調,而在海洋平臺地基等實際工程中安定性問題又顯得十分重要。
  8. By applying " none homogeneous multi - laminate element ", hong - kou rcc gravity dam ' s simulation computing of temperature field and stress field at construction period and operation period for all courses and many factors. e. some kinds of methods are discussed in detail for temperature field back analysis, and artificial neural network method for back analysis of thermal parameters of concrete is suggested

    應用「非均質層合單元法」實現了洪口碾壓混凝土重力壩施工期、運行期全過程多因素的溫度場及徐變應力場的模擬計算,進行多方案的比較分析,推薦出優選溫控防裂方案,取得了非常滿意的成果。
  9. Compared with the general concrete spray layer, the stress distribution is more homogeneous and the yield ability is better in polypropylene fiber concrete spray layer

    與普通混凝土噴層相比,聚丙烯纖維混凝土噴層中的應力分佈較均勻,同時具有較好的讓壓能力。
  10. The general stress and displacement solutions of non - axisymmetric problems are obtained by hankel transform, then the theoretical solutions of stress and displacement in transversely isotropic elastic half - space under arbitrary loading are put forward by introducing boundary conditions. the homogeneous elastic half - space solutions evolved from the theoretical solutions in the paper are in accord with classical ones. solutions under horizontal and vertical loading can be obtained respectively by specializing arbitrary loading ; by analogy, solutions under other loading can be also obtained

    進而引入邊界條件得到一般荷載作用下橫觀各向同性彈性半空間的應力、位移分量理論解,此解經過退化后得到均質彈性半空間理論解與經典解吻合,對一般荷載的特殊化可以分別得到水平荷載下和豎直荷載下的理論解,如此類推,可以得到其它類型荷載的解答。
  11. Singularity stress analysis near the tip of v notch in homogeneous materials

    型缺口尖端振蕩性奇異應力場產生的條件
  12. Based on the basic equations of the elasticity plane problem, displacement fields and singular stress fields near the v - notch tip under mixed - mode of i and ii are obtained for homogeneous materials by a new definition of the stress intensity factors

    基於彈性力學平面問題的基本方程,通過重新定義應力強度因子,推導了均質材料-復合型v型切口尖端附近的位移場和奇異應力場。
  13. Based on the basic equations of the elasticity plane problem and the two airy stress functions in the thesis, stress singularity eigenequations and displacement fields as well as singular stress fields near the v - notch tip and the crack tip for homogeneous materials are obtained

    本文基於彈性力學平面問題的基本方程,引入兩個airy應力函數,推導了均質材料型切口尖端和裂紋尖端的應力奇異性特徵方程及其附近的奇異應力場和位移場。
  14. However, the performance of thermoelectric materials can be optimized if various materials with different properties are arranged along the temperature axis to form a graded or laminated thermoelectric material. in the present work some homogeneous materials such as bi2te3 - and fesi2 - based thermoelectric materials as well as pseudo - binary alloys ( pbte ) 1 - x ( snte ) x ( 0 x 1 ) have been prepared, their thermoelectric properties have been measured, and the possibilities for constitution of laminated structures have been discussed. the processes for preparation of laminated thermoelectric materials and the thermal stress buffer layers sandwiched between thermoelectric material segments have been studied

    本項工作主要包括: 1 )均質熱電材料bi _ 2te _ 3基、 fesi _ 2基以及膺兩元合金( pbte ) _ ( 1 - x ) ( snte ) _ x ( 0 x 1 )的制備與性能研究,適合於製作梯度功能材料的各種均質熱電材料的篩選; 2 )異種材質及近乎相同材質疊層材料制備工藝的研究以及熱應力緩和層的研究) ; 3 )採用sem 、 edax 、 empa 、 xps等多種手段,對界面處微觀組織結構、擴散與反應的分析; 4 )採用數學建模計算及實驗測量,對兩元和多元疊層熱電材料的結構設計以及性能和熱穩定性的研究。
  15. Scattering of sh - wave by collinear cracks of any limited length originating diametrecally at the boundary of circular lining which has cracks in homogeneous medium is investigated, and solution of dynamic stress intensity factors in mode at crack tip are obtained

    按「契合」方式並採用裂紋切割技術構造含徑向裂紋圓環形襯砌對sh波散射的模型,利用green函數將問題歸結為求解第一類fredholm積分方程組。
  16. Homogeneous state of stress

    均勻應力狀態
  17. 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。
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