说明：双击或选中下面任意单词，将显示该词的音标、读音、翻译等；选中中文或多个词，将显示翻译。 您的位置：首页 -> 词典 -> Desai薄单元 1)  Desai thin layer element Desai薄单元 1. Through comparing the model of Goodman interface element,Desai thin layer element and element without interface,the deficiency of Goodman interface element is pointed out. 采用不同的接触面形式,利用连续介质有限元方法对悬臂支护基坑的开挖过程进行模拟,通过比较Goodman接触面、Desai薄单元和无接触面模型的计算结果,指出Goodman接触面的不足,最后提出了修正的Goodman接触面模型。 2)  extreme thin element 超薄单元 1. A new method in which an array of extreme thin elements is used to cope with singular point is presented, calculation program is simplified and a good result is rapidly reached. 并提出用超薄单元近似处理奇异点的办法，使计算编程简化，能迅速地得到较好的 3)  thin-layer element 薄层单元 1. This paper discusses fundamental assumption and simplification of the thin-layer element. 对薄层单元的基本假设和简化进行了探讨并得到如下结论:薄层单元的本构方程可通过横现各向同性体本构方程采用合理简化得到;薄层单元受拉开裂的本构关系可采用分布裂缝模型模拟开裂简化得到;薄层单元采用的基本假设能在一定程度上保证计算精度及简化计算。 2. 5D finite element combined with thin-layer element has been developed to study the dynamic responses of track structure and surrounding ground due to train moving loadings and wave propagation phenomena in three-dimensional ground. 5维有限单元结合薄层单元的高效数值方法来研究铁路轨道和周围地基在列车运动荷载作用下的振动响应以及应力波在三维地基中的传播问题。 4)  thin plate element 薄板单元 5)  thin layer element 薄层单元 1. The ground in the near field was modelled with finite elements,while thin layer elements were used to construc. 5维有限单元结合薄层单元方法,研究了接近或超过临界速度的移动荷载作用下地基三维振动问题。 2. In the Xiluodu Arch Dam aralysis,thin layer element were used for the dam body adjucent to the foundation,different thickness of the thin layer element and the influence of the number of element layers dividing the dam body in the radial direction on the dam stresses obtained have been studied,the principle of grid division for Xiluodu Arch Dam has been determined. 介绍了在溪洛渡拱坝有限元计算中,坝体近坝基部位薄层单元的应用。 3. Goodman′s zero thickness element and Desai′s thin layer element for interface model are discussed. 讨论了接触面Goodman单元模型和Desai薄层单元模型的特点 ,介绍和分析了笔者提出的接触面薄层单元耦合本构模型。 6)  membrane element 薄膜单元 1. DP model is chosen to consider the non linearity of soil,the changing status non linearity is considered by surface to surface contact element and the geogrid is modeled by the membrane element. 计算中采用DP模型模拟土体的材料非线性 ,采用面—面接触单元考虑筋土界面的状态非线性 ,并采用薄膜单元来模拟土工格栅 。 2. The new model considered that the inclination of cracks of the membrane element of reinforced concrete was between the rotating angle and fixed angle. 本文在转动角软化桁架模型和固定角软化桁架模型的基础上提出一种新的钢筋混凝土软化桁架模型——随动角软化桁架模型；该模型认为钢筋混凝土薄膜单元中裂缝的开展方向介于固定角和转动角之间；本文通过对文献 [2]、 [3]、 [4]试验数据分析，建立了钢筋混凝土单元整体和裂缝处的平均剪应力和平均剪应变关系 (τ lt-γ lt、τ 21-γ 21)。 补充资料：(三油酸、单元脂肪酸)三甲基丙烷酯 CAS：85005-23-8中文名称：(支链与直链)(C14-18饱和、C18不饱和)脂肪酸与三甲基丙烷的酯化物 (三油酸、单元脂肪酸)三甲基丙烷酯英文名称：Fatty acids, C14-18 and C18-unsatd., branched and linear, esters with trimethylolpropane 说明：补充资料仅用于学习参考，请勿用于其它任何用途。 参考词条 ©2011 dictall.com