薄板理論 的英文怎麼說
中文拼音 [bóbǎnlǐlún]
薄板理論
英文
membrane theory-
In the analysis of balsa, kirchhoff ' s thin plate theory is important
在板的分析中， kirchhoff的薄板理論佔有重要地位。In light of the elastic thin plate theory, the author induced equilibrium differential equation of bi - direction cellular slab, which was proved correct through analysis and comparison to result of ansys to with theoretical calculation. through the deflection and bending moment coefficient calculation of bi - direction cellular slab under various boundary conditions, the author brought forward the theory that the deflection of mid - span and bending moment coefficient calculation of mid - span and support of bi - direction cellular slab could be in accordance with solid plates ", which could satisfy the precision of engineering
本文根據彈性薄板理論，導出了雙向空腹板的平衡微分方程，並通過理論計算和通用有限元程序ansys結果對比，驗證了其正確性；通過對各類邊界條件下雙向空腹板撓度和彎矩系數的計算比較，本文提出：雙向空腹板跨中撓度及跨中、支座彎矩可使用本文空腹板剛度公式查找現有的實心板撓度彎矩系數表進行計算，完全能滿足工程精度要求。Study on the characteristic of piezoceramic actuator is an important step in the studying of undamaged - inspection process based on piezoceramic actuator technology. this thesis firstly dwells on the sample model of piezoceramic actuator under the restriction of concrete. through theory and experimentation analysis, we arrives at a conclusion that the vibration behavior of piezoceramic actuator belongs to that of the thin plate
本文著重研究了在混凝土約束條件下壓電陶瓷片的樣本模型，在此基礎上通過理論探討和實驗現象分析，認為埋置於混凝土中的壓電陶瓷片是符合彈性力學中克希霍夫有關薄板理論的假設，是屬于薄板振動問題，並確定了其邊界約束條件。To meet this challenge, a research project was supported by ministry of communication and bv shanghai zhenhua port machinery co. ltd. focusing on analysis of tdtcd ( traditional design theories of crane drums ) the paper has studied the impacts of features under the binding force of wire ropes, the end - plate and rope slot. this study is based not only on the thin shell theory and viscoelastic mechanics to calculate the strength and stability of drum, but also on an experiment with technology in " state of act "
本文結合交通部重點科技項目「港口起重機鋼絲繩傳動件高性能技術研究」和上海振華港機股份有限公司委託項目「起重機焊接捲筒極限壁厚研究」 ，針對起重機捲筒傳統設計方法偏於保守的情況，以薄殼理論和近代力學為基礎，以現代試驗技術為研究手段，對鋼絲繩緊箍力作用下的外載特性、端板、繩槽等因素對捲筒強度和穩定性的影響進行了系統的理論研究，在深入開展捲筒強度、穩定性和實驗模態分析等試驗的基礎上，提出了有別于傳統方法的捲筒強度、穩定性計算方法。As regards to the spheric thin shell structure under external hydro static pressure, basing on flat - plate theory and by using basic von karman equations for large deflection, the equilibrium problem of axisymmetric bending of the spheric shell under uniform external pressure is simplified to an equilibrium problem of bending of elastic basic flat - plate and further converted into an equilibrium problem of beam on elastic fundation taking into consideration of the deformation characteristics
對球形薄殼結構隨靜水外壓的情況，應用平板理論中的vonkarman大撓度基本方程，將球形薄殼在均勻外壓下的軸對稱彎曲平衡問題簡化為彈性基礎平板的彎曲平衡問題，進而再根據變形特點將其轉化為彈性基礎梁的復雜彎曲平衡問題。Two different raft analysis theories, namely, plate theory and thick raft theory, are also introduced in the paper
本文還分別介紹了兩種採用不同假設的筏板計算理論：薄板理論和厚板理論。In this article, it is systematically introduced the kirchhoff ' s thin plate theory and the reissner ' s moderately - thick plate theory in which the transverse shear force has been taken into account further the different hypotheses of the two theories are analyzed then the difference of the two theories is found out
本文系統地介紹了kirchhoff薄板和考慮橫向剪切力作用的reissner中厚板的相關理論，分析了薄板、中厚板理論的兩種不同假設，找到了二種理論主要區別。On the basis, three elastic calculation coefficients of the two - way composite slab on three common boundary conditions are deduced and calculated by applying the classic elastic plane theory. in the thesis, the elastic design methods of pk prestressed composite two - way slab is explored and studied by the example. furthermore, it is also studied how to apply the yield - line design method to design the prestressed two - way composite floor slabs
本文以此為依據，應用經典彎曲薄板理論，採用李維法推導和計算了這種雙向樓板三種常見邊界下的撓度和內彎矩彈性計算系數，並在此基礎上通過算例探討了pk預應力雙向疊合樓板的彈性設計方法，同時還對其塑性鉸線設計方法進行了研究。In the theory of elastic thin plates, to solve the problem of rectangular overhanging plates with complicated boundary conditions is very hard for long
摘要對于具有復雜邊界條件的矩形外伸板，在彈性薄板理論中是一個較難解決的問題。( 2 ) based on the wave equation in the acoustic fluid space and the theory of thin - wall structure, the non - symmetrical coupled structure - acoustic dynamic equation without damping is studied. the non - symmetric system of the finite element model for coupled structure - acoustic response is solved by the conjugate subspace iteration method
由聲空間波動方程和薄板理論出發，對聲場?結構耦合系統的模態分析提出了有限元數值方法，採用共扼子空間迭代法對非對稱特徵方程進行處理，採用靜凝聚法消除質量矩陣的奇異性。Based on the elastic thin plate theory, a box structure is divided into six mutually constrained thin plates with four sides simply - supported
摘要從彈性薄板理論出發，將箱型結構分為六塊相互約束的簡支薄板。If this type raft foundation still is analyzed with the classical theory of thin plate, the limitation is obvious
對于這類樁筏基礎，若仍然採用經典的薄板理論進行分析，就存在一定的局限性。The equation of motion, in which the interaction between structure and fluid is taken into account, is solved by the wet mode - superposition method
根據結構特點與響應特徵，用彈性薄板理論簡化結構，用邊界元法計算流體動力，並用模態綜合法計算波激振動響應。In general analysis, as the limitation of assumptions of kirchhoff clas - sical plates theory, it makes error when the plates are thicker, which can ’ t meet the require - ments of engineering precision
常規分析中的克希霍夫經典薄板理論由於其模型假定的先天缺陷，在板的厚度較大時會出現明顯的誤差而不能滿足工程精度要求。In civil engineering, composite slabs with shaped steel, steel sheet and concrete are usually recognized as thin plates. based on classic thin plate theory, the author studied the load - carrying capacity and design methods of this structure
土木工程中的型鋼和壓型鋼板與混凝土組合板一般都屬于薄板，本文以薄板理論為基礎，來研究型鋼和壓型鋼板與混凝土組合板的受力性能和設計方法。With the increasing of raft foundation thickness, the hypothesis of kirchhoff will be invalid due to the incapable neglecting of transverse shearing deformation. the correct solution can not be deduced through theory of thin plate any more since the influence of transverse shearing deformation does not take into account
隨著板厚度的增加，橫向剪切變形不可忽略， kirchhoff假設不再成立，薄板理論已不能給出正確的解答，橫向剪切變形的影響必須加以考慮。The article gives the results of rectangular moderate - thick plates under various length - width ratios and various thickness - width ratios and the results are compared with corresponding series solution about thin plates. at last the article gives a rough limitation between thin and thick plates according to the absolute values of their relative er -
本文最後計算了彈性地基上不同長寬比的中厚板在不同的厚寬比情況下的中點撓度值，並與薄板理論的級數精確解答進行比較，根據其相對的誤差絕對值，對彈性地基上薄板和中厚板嘗試進行了大致的界定。The side displacement of the glass plate center is larger or less than the glass plate thickness, for the 3d geometric size of the glass plate and the lateral load vary in a wide range. in other words, the mechanic analysis of glass plate belongs to large deflection or small deflection theory in thin plate theory
由於幕墻玻璃的三向幾何尺寸和橫向荷載集度可在較大的范圍內變動，玻璃板中心的側向位移，有可能小於或大於玻璃板的厚度，也就是說，幕墻玻璃的力學分析，既可能屬于薄板理論中的小撓度問題，也可能屬于大撓度問題。In order to study basic roof ' s destruction movement that affects working face in horizontal section top coal caving in mining steep seams, this paper analyses tension of roof using elastic and thin board theory and concludes criterion of roof destruction based on long and narrow thin board
摘要為研究急斜煤層水平分段放頂煤開采過程中基本頂破壞活動對工作面的影響，根據急斜煤層基本頂具有傾斜狹長板的特點，運用彈性薄板理論對基本頂巖層進行了拉應力分析，得出了頂板破斷的判別準則，建立了基本頂初次破斷后形成的「鉸接結構」的力學模型。In order to study the basic roof ' s destruction movement that affects working face in horizontal section top coal caving in mining steep seams, this paper analyses tension of roof using elastic and thin board theory and obtains criterion of roof destruction based on long and narrow thin board
摘要為研究急斜煤層水平分段放頂煤開采過程中基本頂破壞活動對工作面的影響，根據急斜煤層基本頂具有傾斜狹長板的特點，運用彈性薄板理論對基本頂巖層進行了拉應力分析，得出了頂板破斷的判別準則，建立了基本頂初次破斷后形成的「鉸接結構」的力學模型。分享友人