脹形模 的英文怎麼說

中文拼音 [zhàngxíngmó]
脹形模 英文
bulging dies
  • 脹 : 動詞1. （膨脹） expand; dilate; inflate 2. （脹大） swell; distend; bloat
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  1. According to this, the temperature field stress field and autogeny body - expand - deformation field of yangchun arch dam during construction arid operation period are analyzed, thus many significant conclusions are got for reference

    由此，模擬分析了陽春拱壩施工期和運行期溫度場、自生體積膨脹變形場及應力場，得到了一些有參考意義的結論。
  2. The deformation of slope caused by change of ground water level was investigated by adopting a fully coupled procedure and the state - dependent dilatant sand model

    本文採用完全耦合有效應力分析程序和與狀態相關的剪脹性砂土模型模擬斜坡因地下水位變化而發生的變形。
  3. And due to the heat expansile coefficient of the stainless steel rather high, the connecting force between the stainless steel pipe and the pipe coupling in the room temperature is much less than that between the titanium alloy pipe and the pipe coupling. the results accord with the tensile experiments well. finally, the dependence of dimensions of the coupling on the strength of the connector system is analyzed

    模型計算還表明，被接管材料和管接頭材料之間的熱膨脹系數的差異會造成管接頭系統的室溫強度低於高溫強度；由於不銹鋼的熱膨脹系數較大，使得室溫下1不銹鋼管與n立tinb形狀記憶合金管接頭間的抱緊力遠小於鈦合金管與nitinb形狀記憶合金管接頭間的抱緊力，成功地解釋了拉脫實驗中的結果。
  4. Based on the theory of unsaturated soil mechanics and the properties of compacted expansive soil, this paper takes the northern part k12 + 840 - k12 + 920 of nanning urban highway as an example to studies some aspects of lime improvement of expansive soil and the technology of construction. the chief content of this paper is : the lime improvement mechanism of expansive soil ; confirm the technical parameters of lime mixed from the results of test in laboratory ; the scale - down test to define the maximum effective grain size of expansive soil when it is improved by lime ; by building bank slope model and making use of finite element seepage flow program of saturated - unsaturated to calculate the examples, this paper simulates the humidity site in order to checkout the effect of lime improvement ; studies and proves that it is feasible to mix blocky expansive soil and pulverous lime, and to fill roadbed by common construction machines etc.

    本文研究的工作就下述幾個方面展開：用石灰改良膨脹土的機理；通過室內試驗確定摻灰的技術指標；在室內進行膨脹土摻灰的最大有效粒徑的模擬試驗，即鈣離子水試驗，由此總結出「粉?塊」灰?土攪拌工藝的有效性、合理性和可行性；用數值方法對路堤使用期的濕度場進行模擬，並與路堤的強度?變形的計算域耦合，以檢驗土性改良的效果，從而探索一種描述改良膨脹土路堤運行工況的數值方法；用現有最常用的且費用最低的施工機具，對灰?土進行「粉?塊」攪拌摻和及路基的填築施工等。
  5. In this paper, the influence of cycles of drying and wetting on strength and deformation are studied by means of routine direct shear apparatus, triaxial apparatus and light consolidation apparatus which include : the influence of force of constraint on strength, the total stress strength of expansive soils with different saturation degree, the influence of cycles of drying and wetting on the total stress strength, the relation between saturation degree and compression modulus and that between saturation degree and void ratio, the influence of cycles of drying and wetting on the effective stress strength, the relation between saturation degree and generalized suction

    本文利用常規直剪儀、三軸儀以及輕便固結儀，分別對非飽和膨脹土的強度和變形特性以及干濕循環對強度和變形的影響進行了一系列的試驗研究。以飽和度、干濕循環次數為變量，分別探求了外力約束對膨脹土強度的影響，不同飽和度膨脹土的總應力強度特性，干濕循環對非飽和膨脹土總應力強度的影響，飽和度與壓縮模量以及孔隙比的關系，干濕循環對飽和膨脹土有效應力強度指標的影響，廣義吸力與飽和度的關系，建議了一組計算非飽和膨脹土變形及強度特性的經驗公式。
  6. The following is the main achievement in this paper : first, to binary image, we proof there are some relation between morphological erosion, dilation and perception model, and generalize the original binary erosive and dilative operation. as a result, we present the concept of degree morphological operation and establish the binary morphological model based perceptional structure

    針對二值圖像，證明了數學形態學腐蝕、膨脹運算與感知器模型的關系，並進一步對傳統的二值腐蝕、膨脹運算做了推廣，提出了程度化形態運算的概念，建立了基於感知器結構的二值形態運算模型； 2
  7. The major performances of concrete and mortars, which are mixed with different quantities of expansion admixtures under the same mix proportions, are studied systematically and deeply in this work. sulphoaluminate mixed with a type of new expanding component by use of the composite methods are studied in the laboratory, and some achievements have been obtained. the service conditions, the characteristics and the shortcomings of expansion admixture in the concrete engineering are analyzed and summarized based on literatures, and the expanding mechanism of concrete is discussed

    本文試圖從膨脹劑不同摻量研究其對混凝土和砂漿主要性能的影響，進行了一系列宏觀力學性能試驗研究；利用差熱分析（ dta ） 、掃描電子顯微鏡（ sem ）等分析手段對鈣礬石等水化產物的結晶和生成量、形貌特徵進行微觀分析；並採用復合方法摻加新型膨脹組分對硫鋁酸鹽類膨脹劑（ uea ）進行了改性試驗研究，根據多因素模糊綜合評價方法就各類膨脹劑的主要性能進行綜合評價，得出摻加新型膨脹組分pt的膨脹劑性能較優，取得了明顯的效果。
  8. Shrinkage deformation of beam in temperature fall stage is simulated through jack stretching test model, and expansion deformation of beam in temperature rise stage is simulated through jack pushing out test model

    通過千斤頂對試驗模型的張拉來模擬溫降階段梁體的收縮變形;通過對試驗模型的頂推來模擬溫升階段梁體的膨脹變形。
  9. Simulation of hydraulic compound bulge forming of tee - tube

    三通管復合脹形過程模擬
  10. Simulation research on global tube tie - in in bulge forming

    球形旋轉接頭脹形加工的模擬研究
  11. Abstract : based on the rigid visco - plastic fem technique, this paper numerically simulate the superplastic bulging process of void - sensitive materials using pressure controlling strategy of maintaining maximum effective strain rate constant and void damage evolution model of superplastic forming

    文摘:基於剛粘塑性有限元技術採用最大應變速率恆定的壓力控制策略和超塑性成形空洞損傷演變模型對空洞敏感材料的超塑性脹形過程進行了數值模擬。
  12. Abstract : in this paper, rigid visco - plastic fem technique is applied to numerically analyze the factors affecting the forming time of superplastic bulging, and the regularities of forming time affected by different factors are given by examples of constant pressure and constant strain rate die - bulging of cylinder parts, all of which provides guideline for process planning in actual superplastic bulging

    文摘:採用剛粘塑性有限元技術對超塑性脹形成形時間的影響因素進行了數值分析，以圓筒形零件的恆壓和恆應變速率充模脹形為例，給出了不同因素對超塑性成形時間的影響規律，為超塑性脹形實際工藝設計提供了依據。
  13. This paper studied friction stress distributed in processes of punch bulging, and deduced theory formula, the phenomenon about asymmetric reformation in processes of punch bulging is explained with the formula

    摘要從理論上研究了球形凸模脹形過程中正應力和摩擦應力沿子午面（ ）方向的分佈狀況，進行了理論推導，根據推導結果對凸模脹形過程中出現的變形不均現象做出了解釋。
  14. 3d numerical simulation of finete element method ( fem ) program is used to calculate and analyse the distribution of stress and strain during hydrobulging, the ovality of single - curvature polyhedron after being hydrobulged while the dimension of polar plate of single - curvature polyhedron without the flaw of imaginary crack changes

    摘要利用三維數值模擬方法，對假想無裂紋的單曲率多面殼體模型上極板尺寸發生變化時脹形過程中應力應變的分佈、脹形結束后多而殼體的不圓度等進行了計算和比較。
  15. Then the bulging model of hemisphere and rectangular box were built and simulated on const strain forming to research the thickness distribution

    建立半球形和盒形件的有限元模型，進行等應變速率脹形的模擬，得到壓力-時間曲線。
  16. Significance of expansive soil classification indexes analysed by rough sets

    膨脹土路基的脹縮變形模型試驗
  17. The results of experiment which followed the curve agreed well with that of the simulation. the non - uniform thickness distribution and cavity have negative influence on the formability

    並按照模擬結果進行等應變速率脹形實驗，得到的厚度分佈結果與模擬值非常吻合。
  18. Three - dimensional model of t - branch tube compound bulging has been established by using advanced explicit finite element codes ansys / ls - dyna with the research of distribution law of equivalent stress and plastic strain

    摘要採用顯示動力分析軟體ansys / ls - dyna建立復合脹形三維有限元模型，深入研究了三通管液壓脹形過程中應力應變分佈規律，系統比較了軸向壓縮脹形和復合脹形過程中應力應變變化規律、脹形支管高度、壁厚分佈的差異。
  19. The proposed algorithm is called agvf snake algorithm. when deformable models are used to extract brain contour from the head mr images, problems associated with initialization and time consuming iteration limit their utility. to overcome these problems, a region based variable expansion force is proposed

    對于可變形模型對初始輪廓的依賴較大，外力的作用范圍有限，迭代演算法收斂時間較長等問題，提出了一種新的外力，我們稱之為基於區域的可變膨脹力（ regionbasedvariableexpansionforce ） 。
  20. Pointing to this problem, a numerical simulation was firstly carried out, and then some measures was taken to prevent the equator from wrinkling by slightly changing the shape of the frustum shell, as a result, the bulged vessel became more round

    針對這一問題，對其脹形過程進行了有限元數值模擬，並通過改變圓錐臺的初始形狀，來保證容器的圓度和避免赤道處的失穩起皺。
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