2) upwind finite element
迎风有限元
1.
The seepage equation of airflow movement in flow field of goaf and the seepage-dissipation-diffusion equation of oxygen concentration variation process during nitrogen injection have been solved by upwind finite element method,and the fluid mechanics process of nitrogen injection and the mechanics of fire prevention and extinguishment are described in graphic manner.
用迎风有限元法求解了采空区气体渗流方程和氧气的渗流 消耗 弥散方程,用图象显示了注氮时采空区的流态、氧浓度分布变化的流体力学过程和注氮防灭火机理。
2.
The explicit a posterior error estimators for the upwind finite element scheme of two dimensional nonlinear convection-diffusion equations is given,and the fact that the true error is bounded by these a posterior error estimators is proved.
对二维非线性发展型对流扩散方程的迎风有限元格式给出了显式后验误差估计,建立了真实误差由后验误差估计器上下界定的估计式,由此给出了相应的自适应算法,数值试验表明了该算法的有效性。
3.
The explicit a posterior error estimators of upwind finite element for two dimensional evolution convection-diffusion equations are formulated and the above and below bound of estimator compared with true error are proved.
本文对二维发展型对流扩散方程的迎风有限元格式给出了显式后验误差估计,证明了真实误差被后验误差估计器上下界定;并通过误差估计器建立了相应的自适应算法,数值例子表明了方法的有效性。
3) adaptive FEM
自适应有限元
1.
The application of adaptive FEM in cracking trace of arch dams;
自适应有限元在拱坝破坏追踪中的应用
2.
To meet the needs of adaptive FEM analysis for structure loaded step by step,the key problems such as the transferring of calculated mechanical results between tw.
实现了随开挖工作面不断移动而自适应加密有限元网格的过程 ;提出了变化网格中的已知边界荷载及开挖边界释放荷载的移置方法 ;为适应增量荷载下自适应有限元分析的需要 ,研究了不同网格间有限元计算结果的传递及网格退化处理等问题。
3.
In this paper, C++ langrage with Object-oriented features was used design a P-version adaptive FEM program, which contains the modules of high-order and Serendipity shape function, high-order element, adaptive course and error estimate.
本文采用了面向对象的程序设计方法,以C++作为编程语言,构造了一个局部自适应有限元P加密程序。
4) Adaptive finite element
自适应有限元
1.
Considering the practical characteristics of Pubugou Hydropower Project,the stability of the dam,the deformation and the stresses of the joint zone connected the core wall in the dam and the concrete cut wall in the large overburden depth are analyzed by the adaptive finite element method.
针对瀑布沟水电站堆石坝的实际工程特点,应用自适应有限元方法,分析研究了大坝的稳定性和覆盖层中混凝土防渗墙与坝内黏土心墙接头部位的局部应力和变形情况,对比分析了不同接头形式的利弊,为设计部门推荐了合适的接头形式。
2.
Based on the generated result of the Medial Axis of arbitrary object, a method of h_version adaptive finite element fuzzy control strategy is constructed and realized by controlling MA radius and radius change.
在任意形体中轴生成算法结果的基础上 ,根据中轴半径及其变化 ,建立并实现了h型自适应有限元模糊控制机制 。
3.
By analyzing the relationship of medial axis and structural singularity, we propose a new idea of medial axis based adaptive finite element fuzzy control.
通过分析中轴与结构奇异性之间的关系 ,作者提出了基于中轴的自适应有限元模糊控制的思想 。
5) adaptive finite element method
自适应有限元
1.
The adaptive finite element method is used to analyze the stress fields in slopes.
采用自适应有限元法分析边坡的应力场,然后应用并行组合模拟退火算法建立基于应力场的边坡任意形状临界滑动面的全局搜索方法。
2.
The stress evaluation based on adaptive finite element method is discussed.
提出了基于误差控制下的自适应网格的有限元应力取值标准:即给定一全局误差限作为自适应有限元网格剖分的准则,以此网格计算所得应力即为有限元应力取值。
3.
Adaptive finite element method, including error estimator and adaptivemesh refinement technology, can effectively improve the accuracy of finiteelement analysis, so that can increase the realiability of the result of finiteelement method.
自适应有限元方法以误差估计和网格自适应技术为核心,可以有效地改善有限元的计算精度,从而提高有限元计算结果的可靠性。
6) adaptive finite element method
自适应有限元法
1.
Phase-field modeling of free dendritic growth with adaptive finite element method
自由枝晶生长相场模型的自适应有限元法模拟
2.
In this paper,adaptive finite element method is used to analyze the stability of slopes.
本文采用自适应有限元法进行边坡稳定分析,将改进的遗传算法和自适应有限元法相结合,建立基于应力场的边坡任意形状临界滑动面的全局搜索方法。
补充资料：自适
【诗文】：
紫陌奔驰不暂停，送迎终日在郊坰。年来鬓畔未垂白，
雨后江头且蹋青。浮蚁满杯难暂舍，贯珠一曲莫辞听。
春风只有九十日，可合花前半日醒。
【注释】：
【出处】：
全唐诗：卷676-39
紫陌奔驰不暂停，送迎终日在郊坰。年来鬓畔未垂白，
雨后江头且蹋青。浮蚁满杯难暂舍，贯珠一曲莫辞听。
春风只有九十日，可合花前半日醒。
【注释】：
【出处】：
全唐诗：卷676-39
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