非粘結性的 的英文怎麼說
中文拼音 [fēiniánjiēxìngde]
非粘結性的
英文
cohesionless- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 粘 : 粘動詞(粘附) glue; stick; paste; adhere to; bond
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 的 : 4次方是 The fourth power of 2 is direction
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The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects
2 、系統學習並歸納總結了鳥體撞擊風擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路,系統總結了小變形結構動力學有限元數值計算方法、有限變形的幾何非線性有限元數值計算方法、粘彈性體非線性形變的本構物理關系;對于實施復雜結構有限元動力學計算的載荷增量方法提出了對newmark差分的改進以及進行材料與幾何非線性數值計算的細致步驟。The surface reactivity of many nonblack fillers generally precludes strong bonding with this type of matrix.
許多非碳黑填料的表面反應性一般阻礙與該種基質形成牢固的粘結。Only the nonagglomerating coal can be used in this kind of gasifier.
這類氣化爐只能使用非粘結性的煤。The main content of this article includes : " ( l ) the planar non - linear and viscid - elastic static mechanical analysis is used to analyze and calculate the md in service. ( 2 ) the planar nonlinear static mechanical analysis of the stress and deformation is used to analyze the med in banking, which is banked to the height of 140m
主要研究工作有: ( 1 )茅坪溪防護大壩完建和蓄水時的應力和變形的分析計算:對完建和蓄水時壩體的應力和變形進行平面非線性靜力分析計算和平面粘彈性靜力分析計算,對分析計算結果作出結論。Columns under axial compression and biaxial bending. in the beginning of the paper, it summarized the history and the actuality of the nonlinear analysis of special - shaped columns and the capability of the sliding of reinforcement anchoring. on the basis of related papers, the full path of stress - strain relation of concrete and the sliding of longitudinal reinforcement anchoring are all considered
本論文主要內容是對鋼筋混凝土異形截面雙向壓彎柱(包括l形、 t形、十字形柱)進行非線形全過程分析,首先綜述了異形柱構件非線性分析以及粘結滑移性能研究的歷史與現狀,在有關文獻基礎上考慮了受拉縱筋和周圍混凝土的粘結滑移和混凝土應力?應變關系曲線的下降段。6. the sectional cross - sectional discrete yield - sruface model is used to spandrel deep beams, the effect of the shear deformation to shear force on ( he m ~ terial nonlinearity is considered, ( he bond slip in anchorage zones is regarded as the houndaty nonlinearity of a member. except the geometric nonhineaicty. consideration of double nonlinearities about materials an
6 、將分段截面離散的屈服面模型法應用於裙梁,考慮剪力剪切變形對材料非線性的影響,將錨固區鋼筋的粘結滑移看成構件的邊界非線性,不考慮幾何非線件,建立了裙梁考慮村料、邊界雙重非線性的空間滯回曲線分析模型。S. consideration of interaction on the nonlinearity about the material, the geometry, and the boundary of the columns subject to axial force. biaxial hending, and torsion, an analytical model of hysteretic curve of columns is presented, based on the sectional cross - sectional discrete yieldsurface inodel, the bond slip in anchorage zones regarded as the boundary nonlinearity of a memher. and the iterative procedure of displacement of inner nodes on the basis of the hamonization of displacement
5 、根據構件分段截面離散的屈服面模型法,把錨固區粘結滑移看成構件的邊界非線,以及基於位移協調的內結點位移迭代法,建立了能考慮構件壓(拉) 、雙彎、扭的材料、邊界、幾何非線性相互影響的柱空間滯回曲線分析模型。Consideration of the additional axial, two angular deformations generated by the bond slipping in anchorage zones of joints, the assumption is made, that the plane section of either end of a member before bond slipping of reinforcements remains afler bond slipping of reinforcements. additional deformations * contribution to stif ? nesses of plastic sub - elements is formed from the boundary nonlinearity of plastic stabelements. the space bond slip relation can truly compute bond slip in anchorage zones, additional def ? rmatinns, and their contribution to the space nonlinearity of a niember, has used iii space nonlinear analysis of columns and spandrel beams in this dissertation
附加變形對塑性子區域的剛度貢獻,看作是塑性子區域的邊界非線性,建立了構件端部子區域基於構件邊界非線性的鋼筋與砼之間的空間粘結滑移關系,能較真實地求得錨固區的粘結滑移、附加變形以及他們對構件空間非線性性能的貢獻,並運用於柱、裙梁的空間非線性分析之中。The section loss of steel bars and degradation of bond intensity were taken into consideration in this study in order to establish the finite element model of corroded reinforced concrete beam through simulating the bond slip behavior between steel bar and reinforced concrete based on nonlinear spring element
摘要在考慮銹蝕引起的鋼筋橫截面損失和粘結強度下降的前提下,利用非線性彈簧單元模擬銹蝕鋼筋與混凝土之間的粘結滑移性能,建立了銹蝕鋼筋混凝土梁的有限元分析模型。In a word, it is show that joints could be strengthened by cfs and it could be put into use in civil engineering in large scale. at the same time, experiments also show than cfs used in joints strengthening have not been make full use. the failure mode of cfs is the debond failure between concrete and steel
同時,利用對試驗構件的應變片分析,揭示了cfs加固節點的破壞具有其自身的特殊性,即cfs的利用率比較低、 cfs的破壞以混凝土保護層?主筋界面的粘結破壞為主、加固試件和非加固構件破壞形態基本一致等特點。The layered combined finite element model is taken in the finite analysis of concrete and bonding bar. in the nonlinear analysis ofunbonded prestressed concrete, the effect that unbonded tendons acts on concrete is replaced by equivalent force in the method of equivalent prestress
在有限元分析中,混凝土和粘結鋼筋採用分層組合式的有限元模型,在無粘結預應力混凝土的非線性分析中,將無粘結預應力筋對混凝土的作用,借鑒預應力的荷載平衡法,用其等效力來代替預應力作用。In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size
本文根據粒度圖像的特點,採用非線性對比度增強處理改善顆粒顯微圖像的對比度;對多種閾值分割方法進行比較,分析了它們的性能和用於粒度圖像的適用性,在此基礎上提出了一種基於梯度圖像的動態閾值分割方法;對獲取的顆粒二值圖像進行形態濾波和空洞填充,設計了識別演算法去除凝聚體;對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法;提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數,對珍珠粉等粉體粒度進行了測量。They began to investigate the empirical evidence of non - linearity and its policy implications. laxton, meredith and rose ( 1994 ), turner ( 1995 ), clark, laxton and rose ( 1996 ), debelle and laxton ( 1997 ) researched the one form of phillips curves ’ non - linearity ? convexity. basing on the above all researches, this paper discusses another form of non - linearity - - - the asymmetric price adjustment and the asymmetric phillips curves
第四章是本文的結論部分,對于非對稱的價格調整和非對稱的菲利普斯曲線的成因進行了分析,認為與菜單成本相聯系的粘性價格是導致非對稱性的主要原因,而價格調整的非對稱性和菲利普斯曲線的非對稱性是導致貨幣政策非對稱的一個重要因素。In order to develop and consummate the analysis theory and calculation method of base - isolated structures, based on the research on restoring force model of isolation systems and the analysis on the nonlinear seismic response of base - isolated structures, the analysis on multi - dimensional and lateral - torsional coupled seismic response of base - isolated structures is developed in this paper. according to the mechanical performance of isolation systems, detailed analysis and improvement of the present research, an unilateral and a bilateral coupled visco - elastic hysteretic model for rubber bearings, an unilateral and a bilateral coupled visco - elasto - plastic differential hysteretic model for lead rubber bearings, an unilateral and a bilateral coupled modified visco - plastic differential hysteretic model for sliding friction bearings are proposed
為進一步發展和完善基礎隔震結構分析理論和計算方法,本文以隔震系統恢復力模型研究及基礎隔震結構非線性地震反應分析為基礎,對基礎隔震結構的多維地震反應及平?扭耦聯地震反應開展了以下幾方面的研究工作:根據隔震系統力學性能的特點,在現有研究成果的基礎上,對隔震系統恢復力計算模型進行了改進和創新,提出了普通疊層橡膠支座單向及雙向耦合粘彈性恢復力計算模型,鉛芯疊層橡膠支座單向及雙向耦合粘彈塑性微分型恢復力計算模型,摩擦滑動支座單向及雙向耦合修正粘塑性微分型恢復力計算模型。Performance for a piezoresistive transducer pressure sensor to thermal and pressure environments can be predicted by finite element method. a simplified 1 / 8 model, considering silicon dioxide and nitride process as well as stack anodic bonding and adhesive bonding processes, was developed. the fem results were found to be comparable to experimental data. case studies suggested that pyrex stack induces certain amount of non - linearity, while it isolates hard epoxy nonlinear effect. flexible epoxy bonding or soft adhesive bonding is preferred to the packaging process. the viscoelasticity and viscoplasticity of bonding material will result in hysteresis and drift errors to sensor output. however, soft adhesive s influence on sensor can be ignored under relative stable environments. more over, detailed design and process information will help to improve modeling application
熱、壓環境下壓阻變換壓力傳感器的性能可以通過有限元方法預測.這里研究了簡化的1 / 8模型,模型考慮了二氧化硅和氮化硅生成過程及堆陽極鍵合和膠粘結合過程.結果發現有限元預測結果和實驗數據具有可比性.範例研究表明,硼硅堆導致產生一定的非線性,但它隔離了硬環氧樹脂的非線性.在包裝過程中最好使用柔性環氧黏合或軟黏膠性結合.黏合材料的黏彈性和黏塑性將會導致傳感器輸出的滯后和漂移誤差.然而,在相對穩定的環境下,軟黏合劑對傳感器的影響可以忽略.此外,詳細的設計和過程信息有助於提高模型的適用性( 4 ) a nonlinear model including the loss of cross - sectional area of corroded rebar, the reduction of mechanical properties of corroded steel and the degradation of the bond strength between concrete and corroded rebar was presented
氯離子擴散系數是一個隨時間、擴散深度和氯離子濃度變化的變量。 ( 4 )建立了考慮銹蝕鋼筋截面面積減小、力學性能下降以及混凝土與鋼筋之間粘結性能退化的非線性模型。Through the bonding tests and the theory analysis between the advanced composite glass sheets and the concrete under the general load - carrying condition, the iterative load - carrying condition, the freeze - thaw action, and the defective bonding, the calculative model has been established, and the numerical value of fibre sheet strain under different load - carrying has been confirmed. the bond strength calculative expressions for the concrete bonded with glass fibre sheet under the pull - shear and the bend load - carrying conditions have been established. the author put forward the decreasing coefficient and the calculative expressions for the influence of reinforce effect by the non - effective area and the calculative expressions for the influence of the freeze - thaw action on the carrying capacity of the concrete beams
本文採用美國泰扶高強復合玻璃纖維布以及與之性能相當、由南京玻璃纖維研究院自行研製開發的egfw430型玻璃纖維布兩種材料,通過在靜載、重復荷載、凍融及有缺陷粘結條件下的高強玻璃纖維布與混凝土粘結性能的試驗研究與理論分析,建立了玻璃纖維布-混凝土的粘結計算模型,明確了不同受力狀態下纖維布應變的設計取值,提出了玻璃纖維布-混凝土抗剪粘結強度的計算公式;確定了考慮非有效粘貼面積對加固效果影響的折減系數;給出了凍融循環次數引起承載力下降的插值計算方法;並驗證了重復荷載作用下玻璃纖維布與混凝土良好的粘結性能。In our country, the study on concrete structure strengthened by advanced composite glass fiber sheet is new, the systematicness and practicability is inadequate, especially, there ’ s no mature research in the field of bond performance. therefore, to realize the bond performance and its change rule between the advanced composite glass fiber sheet and concrete is very important
在我國,高強復合玻璃纖維布加固混凝土結構的研究僅初見端倪,系統性和實用性還不強,尤其在粘結性能方面更無成熟的研究成果,因此,了解和掌握高強復合玻璃纖維布與混凝土之間的粘結性能及其變化規律具有非常重要的意義。Deterioration mechanism of the bond property between rusty rebar and corroded concrete was discussed. because that the bond strength between the corroded rebar and concrete is affected by many factors, and the relation between the factors and bond strength are highly nonlinear, to build the any calculation model will be very difficult. bp nn model was built up herein to predict the ultimate bond strength between the rebar and corroded concrete, good results are achieved
闡明了銹蝕鋼筋與混凝土之間粘結性能的退化機理;鑒于銹蝕鋼筋混凝土之間的粘結性能受到多因素影響,且影響因素集與極限粘結強度之間存在著復雜非線性關系,建立了bp神經網路模型預測銹蝕鋼筋與混凝土之間極限粘結力,取得了較好的預測效果。Nonlinear fem analysis of bond behavior of rc beams strengthened with bottom bonded cfrp sheets
梁中粘結性能的非線性有限元分析分享友人