軸向壓縮應力 的英文怎麼說
中文拼音 [zhóuxiàngyāsuōyīnglì]
軸向壓縮應力
英文
axial compressive stress-
Non - linear finite element analysis of rubber layer bonded between two rigid spheres has been performed for rubber ’ s characteristic of large deflection and nearly incompressibility. the relationships between stiffness and deformation have been gained when large tensile deformations are imposed. the effects of different poisson ’ s ratios of rubber matericals on the stiffness and stresses of rubber layer have
針對橡膠的大變形及接近不可壓縮的特點，對工程中常用的橡膠-剛球支座進行非線性有限元分析，了解了支座的剛度和應力的變化情況以及泊松比對兩者的影響，得出的支座受軸向拉伸時的剛度與軸向變形關系。Yingxian ancient wooden pagoda is a flat - form tall building, which was formed by the superposition of monolayer temples. the height of 67. 31 meters made it encountered two unprecedented puzzles : firstly, with the height increased whopping, wind resisting and aseismatic capability become the main question of the whole structure ; secondly, because of the weight increased unconventionally, members of the lower 1 ~ 3 floors hold overloading perpendicular to grain and they brought large vertical deformation
相對於一般殿堂結構，高度和自重的成倍增加，使木塔遇到前所未有的兩項難題:其一是因自重增加，使承受上層柱軸向荷載的梁（普拍枋和梁? ）橫紋局壓應力成倍地超過設計強度而產生嚴重的壓縮變形甚至劈裂，導致木塔整體豎向變位。The compress tests on multiaxial multi - layer warp knit glass - fiber composite ( mmwk ) have also been carried out at high strain rates. the out - of - plane compressive property of multiaxial multi - layer warp knit glass - fiber composite are also rate sensitive. the maximum stress strain and elastic modulus of mmwk composite increase with the rising of strain rate
首次對多軸向經編玻璃纖維復合材料進行了高應變率下的面外壓縮試驗，實驗結果表明，多軸向經編結構玻璃纖維復合材料在面外力學性能上是應變率相關的，隨著應變率的增加，沖擊壓縮瞬時應力增加，最大應力和最大應變增加，同時初始模量也有增大的趨勢。All the results of axial and radial deformation measurement by digital image processing technique and those by traditional method are compared. the differences of the soil parameters on duncan and chang ' s nonlinear model made by these two methods are analyzed. finally, a compress test results and fem results are provided to show the reasonability and veracity of digital image processing technique to study the soil stress - strain characteristic in triaxial test
（ 2 ）三軸試驗土樣局部變形研究：首先定量比較了三軸試樣沿高度方向不同位置的局部變形（局部徑向變形與局部軸向變形）大小，分析了三軸試樣局部變形的特點和影響因素；然後把三軸試樣數字圖像測量結果與傳統測量結果進行比較，以鄧肯張非線性模型為例進行了模型參數的整理，分析了兩種不問測量方法引起的參數差異：最後用原型壓縮試驗對比有限元數值計算結果，驗證了數字圖像測量方法得到的三軸試驗土體應力應變參數的合理性和準確性。With the data recorded by computer, the author studies the experiment progress in detail, which includes the development of pore press, strain, strength of the sand, etc. connecting the development of these phenomena with the development of stress path, the author finds new mechanism which can explain the phenomena in the experiment. what is more, according to the dynamic test of the sand, there appears a steady state at the last phase of the development of strain and stress path, in which the strength of the sand is studied because it is an important parameter in evaluating the stability of sand against liquefaction. secondly, the dynamic constitutive relation was studied through the dynamic tri - axial test
本文首先採用目前國內較先進的微機控制動三軸儀，利用其可以適時採集和儲存數據的優勢，對砂土的實驗過程進行了細致的分析，研究該過程中孔隙水壓力發展、軸向應變發展以及它們與應力路徑之間的關系，對飽和砂土的剪脹、剪縮和卸載體縮等多個方面進行了研究，探索了砂土的動力特性，分析了影響砂土抗剪強度的各種因素，這些因素既包括土本身的特性（土的密度、結構、級配、透水性以及初始狀態等） ，又包括動荷載的特徵（振動力幅值大小和振動頻率等） 。When the pumping area cannot approach the disk had aperture, the concentrated tensile stress appears near the edge of disk hard aperture, while the disk is pumped full aperture the surface exhibits compressive stress, and center is tensile stress which is lesser
當抽運光斑未充滿激光介質時，介質的表面靠近邊緣處會出現大的拉應力集中，並且介質中最大拉應力和表面的最大軸向位移隨抽運光斑尺寸縮小面增大；而當抽運光充滿介質時，表面是壓應力，較小的拉應力存在於介質內部。Axial compressive stress
軸向壓縮應力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。分享友人