均質彈性體 的英文怎麼說
中文拼音 [jūnzhídànxìngtǐ]
均質彈性體
英文
homogeneous elastic solid- 均 : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 彈 : 彈名詞1. (彈子; 小球形的東西) ball; pellet 2. (內裝爆炸物, 具有破壞和殺傷能力的東西) bullet; bomb
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 體 : 體構詞成分。
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And the rock mass as the main object of most engineering practice is developed by all kinds of geotechnical action and force in the long geology history to the complex characteristic of continuous medium, crannied medium and granular medium, to the anisotropic and heterogeneous entity with elasticity, plasticity, viscidity, creepocity and rheology
作為主要工程對象的巖體是在漫長的地質歷史發展過程中經受各種地質營力作用而形成的成因和構造復雜,巖性多樣且包含了連續介質,裂隙介質和散體介質特徵的,兼有彈性、塑性、粘性、流變性的各向異性的非均質地質體。Other projects include 3d laser scanner, computer - aided garment pattern design system, e - manufacturing system, and flexible manufacturing system that aims to help manufacturers upgrade their production quality and capability
其他項目包括立體激光掃描器、電腦輔助成衣紙樣設計系統、電子生產系統及彈性製造系統,有關項目均旨在協助製造商提升生產質素及能力。In the present, the models used widely are two kinds : the continuous model. the continuous model is supported by " smearing out " the discrete support along the track. giving a continuous viscoelastic foundation and a continuous layer represent sleepers
目前所使用的計算模型主要分為兩種:一種為連續型模型:將沿軌道方向的離散支撐連續化,將枕木模擬為剛體或為有均布質量和剛度的梁,使枕木成為粘彈性地基上的連續層。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。This paper chooses the indicators of economy and land quality input which has influence on the output, depending on cd - productive function to establish the function between input and output : y : productive forces of the cultivated land f : input of the fertilizer and agricultural chemical i : input of the irrigation l : input of the labor q : input of the land quality a : the level of average management t : the level of changing management a, b, c, d, f : productive elasticity coefficient the factor of the land quality includes texture, content of the organic matter, degree of the pickled, the structure of the soil
本項研究選擇了影響農用地總產出的經濟投入指標和土地質量投入指標,藉助c - d生產函數,建立土地投入產出的函數關系: y = a ? e ~ ( ft ) ? f ~ a ? i ~ b ? l ~ c ? q ~ dy為以土地總產值表示的土地生產力f為化肥和農藥的投入i為灌溉投入,即灌溉所需用的水電費l為勞動力投入(考慮了農業機械投入的修正) q為土地質量投入a為平均管理水平t為變化的管理水平a 、 b 、 c 、 d 、 f分別為各相應生產要素的產出彈性系數其中,土地質量因子包括表土質地( t人有機質含量矚入鹽漬化程度px土體構型p )等。他們之間的關系為: q ( a ; xt a 。Based on the formula which is used to compute the lateral resistance of single pile deduced by wang qitong, a formula is setup whose precondition is that the pile and the lateral soil directly around the pile deform in - phase. on the basis of that the contact stress of the foundation is equal, a formula that can be used to conform the stress - ratio of the composite ground is set up, on the same time, the principles of the deformation harmony of the soil and the piles in the composite ground are also discussed. combining with results of this test, a formula which can calculate the bearing capacity that considering the effect of group piles of the composite ground is also deduced
視攪拌樁樁體為均質彈性介質,推導了復合地基中單樁有效樁長的理論計算公式;根據王啟銅柔性樁樁側摩阻力計算公式,以樁側土與樁體協調位移為前提推導了柔性樁樁側摩阻力的計算公式;以基底接觸應力均勻分佈,樁體、樁間土均質為前提,討論了樁,土協同工作原理,從而得出復合地基樁、土荷載變形特性,以及樁、土應力比計算公式;結合本次試驗,通過計算加載時樁體與土體的荷載分擔情況以及在極限狀態下樁土承載力發揮值,提出考慮群樁效應的攪拌樁復合地基承載力計算公式。In recent years, theories of elastic foundation and layers elastic body system have been widely applied and perfectly developed, but the theories often consider the medium as continuous, elastic, homogeneous, isotropy and submitting to small deformation hypothesis, and the anisotropy of the material has not been introduced
近代發展的彈性地基和層狀彈性體系理論認為介質是連續、線彈性、均勻的和各向同性的,服從小變形的假設,沒有考慮材料的各向異性。In this article, idealized elastic plastic model and three - dimension finite elements programs have applied to analyzing and researching the stress and displacement distribution of 4 high - steep slopes excavated on the wan - liang expressway, and the relationship has been gained between the stress existing in excavated rock slopes and stability coefficient with depth change through the self - made fortrain program ' s application to the computation of slopes " stability coefficient ; at the same time, through the analysis of the slopes " stability coefficient, such conclusion has been gotten that cohesion in the slipping zone has important effect on slopes " stability and some proposals have been presented to improve the anti - shearing ability of the slipping body through enhancement of the cohesion in the slipping body
本文採用概化均質的理想彈塑性模型,利用三維有限元程序分析了萬梁高速公路4個高陡邊坡開挖各階段的應力及應變分佈,並且編寫了fortran程序用於邊坡穩定系數的計算,得出邊坡巖體應力及穩定系數隨著開挖深度的變化關系。並對邊坡穩定系數的敏感性進行了分析,得出滑帶內聚力的變化對邊坡穩定性至關重要,提出了改善滑帶巖土粘結狀態提高抗剪能力的工程措施。The time effect of the settlement of single pile in a homogeneous soil was investigated. the interface between pile and soil was simulated by voigt model, and the analytical relationship of settlement and time of single pile in homogeneous soil was obtained by the method of separating variables
均質地基中單樁沉降的時間效應研究將樁周土對樁的作用簡化為voigt體模型,建立了均質地基中考慮土體粘彈性的單樁靜力平衡方程,成功地將時間因素與單樁的沉降聯系起來。Zinc oxide ( zno ) is a wide band gap ( 3. 4ev ) semiconductor with the hexagonal crystal structure ( wurtzite type ). zno thin films with the c - axis orientation perpendicular to the substrate show excellent piezo - electrical properties and are widely used in piezo - electrical filed. and the dense anjd uniform surface of the films is required when zno thin films are used as integrated functional films
Zno屬於六方晶系6mm點群,晶體在c軸垂直面上的電性和彈性都是對稱的,因而c軸擇優取向的多晶薄膜能夠具有單晶那樣的壓電性和光電性質,而具有平整均勻的表面形貌則是zno薄膜作為一種集成功能薄膜應用性能的保證。The tower shafts, most of which are hollow and varying in cross section, and altitudinal construction bring trouble to the form work and the stress of strand wire. and the cracks on the crossbeams will be caused by the following - deformation of the bracing structure joints, elastic deformation , uneven settlement and temperature changes. the additional stress of the base slab and the foundation is caused by the deviation of cable bent tower construction
但大跨度橋梁混凝土索塔施工設備進場及現場管理都比較困難;塔柱多為空心變截面,且為高空作業,給模板工程及預應力張拉帶來一定困難;支撐系統連接的間隙變形、彈性變形、不均勻沉降以及環境溫差可導致橫梁裂縫;索塔施工偏位會引起的承臺和基礎的附加應力,對加勁梁的架設影響大;懸吊結構未完體系(架設時)施工階段的風致振動往往影響到施工的安全和質量;實心塔柱部分體積較大,易產生溫度裂縫。However boussinesq solution based on semi - infinite elastic space model is still applied to calculate additional stress and settlement in foundation. to resolve the problems of layered soil, some advanced study has been done
而目前計算地基附加應力和沉降多是基於均質各向同性半無限彈性體的boussinesq解,為了很好地解決成層地基模型的計算問題,許多學者已經致力於這方面的研究。This thesis is an explore to the immature theories through elasto - plastic finite element analysis ( fea ). to demonstrate the feasibility of fea used in masonry homogenization, the following tests are conducted : 1
針對這個事實,本文採用了彈塑性有限元模擬的方法,探索了一下該方法應用於砌體均質化理論的可行性。Because of the complication of ground condition, the ground is regarded as continuous layers and each layer of soil is defined as a uniform and elastic object. by solving the wave equation ( navier equation ) of three - dimensional elastic object, the results of ground under moving loads in wave number ? frequency field are obtained, then through the rapid fourier reverse transform, the results in space - time field are obtained
由於地質條件的復雜性,將地基看成是層狀的,並且每層都是均勻彈性的,通過解三維彈性體的波動方程( navier方程)得到地基在移動荷載作用下的波數-頻域的解,再通過快速fourier逆變換( fft )求得空間-時間域的解。分享友人