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E. new extrapolation value s of finite element solutions on the first two level grids are used to provide the good initial value s on the third level grids and then an exacter finite element solution can be obtained by several CG-iterations.
摘要提出一种求解大规模有限元方程组的新外推多网格法,即用前两层网格上有限元的新外推值提供第3层细网格上的好初值,然后用几次CG-迭代能得到较准确的有限元解。
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Finite element model is made with finite element analysis software and the dynamic characteristics of an existing footbridge are analyzed.
针对一出现较大振动的人行天桥,利用有限元分析软件建立了计算模型并进行了动力特性分析,同时对结构进行了动力测试。
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The paper taked 20 nodes isoparametric element as an example and put forward a kind of numerical method combined with the Newton iterative algorithm and Gauss integral algorithm to calculate equivalent loads of prestress in body element.
本文以20节点等参单元为例,提出一种运用高斯积分和牛顿迭代法的数值算法计算实体单元的预应力等代荷载,该方法能够适应各种复杂的预应力钢束形状,并适合计算机编程。
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Two SP1-like elements and half of binding motifs of RAR are found in the 119 bp region from -nt. 325 to -nt. 207 upstream of the first ATG. An AP1/cAMP like reaction element is found in the 113 bp region from -nt. 206 to -nt. 94 upstream of the first ATG of the CK13 gene 5' flanking region. We didn't know the reaction element CTGAATCA between -nt.
仔细分析CK13基因5'旁侧-nt.325~-nt.207之间119bp片段中,发现有两个类似的SP1反应元件及一个与半个维甲酸受体结合的模块,而CK13基因5'旁侧-nt.206~-nt.94之间113bp片段中-nt.199~-nt.192间的碱基CTGAATCA类似AP1/cAMP的反应元件。
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In this paper, an increasing sequence of structure element was used to detect the best response to each pixel of image and the output of the response pixel would be the most sensitive structure element by using this improved Top-Hat transform.
通过定义一个递增的结构元素序列对图像进行Top-Hat变换,在每一个像素处用不同的结构元素作Top-Hat变换,以寻找对该像素最敏感的结构元素,并把此结构元素对图像的处理结果作为该像素处最后的输出值。
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Based on the Bernoulli-Euler beam\'s plane cross-section hypothesis under flexure and Vlasov\'s rigid contour premise under non-uniform torsion,a spatial thin-walled beam element with 2 nodes and 14 DOF is developed by independently interpolating bend angles about two prime inertial axes of cross section and warp angle with an interior node set at the midpoint of the element length and the goal is achieved.
根据Bernoulli-Euler梁弯曲变形的平截面变形假定和Vlasov约束扭转的刚周边假定,通过设置单元内部结点,对弯曲转角和翘曲角采用独立插值的方法,建立了2结点14自由度的空间梁元,实现了上述目标,并将其应用到结构的非线性分析中。
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In this thesis, the results of extremal work path theory are adopted, and the FEM based on deformation theory is formulated. The Inverse Finite Element Approach in sheet metal forming is studied in detail, and an Object-Oriented Finite Element Analysis program is developed, which provides rapid and effective means for stamping process planning and die design.
本文运用极值路径理论推导出基于形变理论的有限元公式,研究了钣料成形有限元逆算法,开发了面向对象的有限元分析程序,为冲压工艺和模具设计提供了快速有效的分析手段。
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The results show that when the depth gradually reduces, pH values gradually increase, but conductivities and (superscript – subscript 3) content gradually reduce. There are also obvious differences between the groundwater in loess, alluvial deposit and acidity rock in the south of Chang'an, which relates to the depth, the characters of loess, the lixiviation and the evaporation. The element content of groundwater is high in the loess tableland, so it's fitter for drinking than the groundwater in the Cuihua mountains, which is of acidity and low element content.
结果表明,长安南部黄土塬随着层位的降低,pH值有逐渐增大趋势,电导率和HCO(上标–下标 3)含量有逐渐减少的趋势;黄土地下水、冲积层地下水和酸性岩石地下水的化学成分存在明显差异,这与其理深、地层性质、溶滤与蒸发作用不同有关;长安南部少陵源黄土地下水元素含量较高,比呈酸性、元素含量低的翠华山泉水更适于饮用。
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From the associated DTD of an XML document, our method can abstract several logical XML element segments called ACS-D's. These ACS-D's then can be used to identify some practical XML element segments, called ACS-X's, from the XML document.
我们的方法先从XML文件附属的DTD中,摘取出干个辑的XML元素片段,叫做ACS-D,然后再用每一个ACS-D从XML文件中辨出符合这个ACS-D结构的干个实际XML资元素片段,叫做ACS-X。
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From the planning of an economic public system to marketing economics that value individual benefits. From a directing society value system that values collectivism, national benefits and common goal to a multi-element society value system. All these have changed the directional collective actions, which also brought changes to its product the macro society element. Traditional solutions for collective actions are losing their effect, a new system is developing.
在本文中,由公有制下的计划经济进入个体利益明确的市场经济,由崇尚集体主义、国家利益和目标一致性关系的主导社会价值观进入多元价值体系,使得社会中的主导型集体行动类型发生转变,它所产生的宏观社会要素也随之发生改变,过去习惯了的解决集体行动的手段正在解体,新的制度手段正在形成。
- 推荐网络例句
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Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).
呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。
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The cost of moving grain food products was unchanged from May, but year over year are up 8%.
粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。
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However, to get a true quote, you will need to provide detailed personal and financial information.
然而,要让一个真正的引用,你需要提供详细的个人和财务信息。