1) isoparametric
[,aisəu'pærə'metrik]
等参
1.
Remark on isoparametric minimal hypersurfaces of S~(n+1);
关于S~(n+1)中极小等参超曲面的注记
2) equivalent parameter
等效参数
1.
A simple method of calculation about the equivalent parameter of the linear network without sources;
无源线性网络的等效参数的一种简便算法
2.
A simple method of calculation of the equivalent parameter of the system of conductors and the linear network without sources;
导体系和无源线性网络的等效参数的一种简便算法
3.
The equivalent parameter concept was used to simplify a complicated three-dimensional cutting process to a two-dimensional cutting process.
运用等效参数的概念,将复杂的三维切削过程简化为二维切削过程;分析了三维槽型的几何单元对切屑的约束作用,推导出直线圆弧槽型、双直线圆弧槽型、凸曲面槽型和斜槽槽型的切屑上向卷曲半径;依据切屑折断条件建立了上向卷曲切屑折断预报模型。
3) isoparametric element
等参元
1.
Concise and efficient four node multi variable conforming isoparametric element;
简明有效的四结点多变量协调等参元
2.
Based upon the Hellinger-Reissner(H-R) mixed variational principle for the piezoelectric material,the Hamiltonian isoparametric element of the piezoelectric material is derived.
根据压电材料修正后的Hellinger-Re issner变分原理,推导了压电材料的Ham ilton ian等参元。
3.
The application of three-dimensional high-order isoparametric element in finite element analysis was introduced simply.
介绍了高次等参元退化单元常见型式及其在有限元分析中的应用,具体讨论了节点退化和形状退化情况下单元节点插值形函数的构造和修改,研究了混合单元的有限元求解流程,并编写了相关的求解程序,通过具体算例比较了混合单元与全六面体等参元网格的计算情况,结果表明三维高次等参单元及其退化单元的混合应用不仅可以适应较为复杂的空间实体计算网格,而且还能满足精度上的要求,具有重要的工程意义。
4) isoparametric transformation
等参变换
1.
By means of an isoparametric transformation,the stiffness matrix and the effective nodeforces of the parallelogram element are calcnlatel.
本文通过等参变换推导了平行四边形单元的刚度矩阵及等效节点力的表达形式,计算表明它们均为显式积分,等效节点力可通过静力等效原则得到。
2.
The quadrature formula about surface integral on any quadrilateral element is deduced by means of isoparametric transformation and bilinear interpolation.
通过对三维有界区域的边界曲面作四边形网格剖分,用有限元方法处理高斯公式中的曲面积分,由等参变换及双线性插值导出任意四边形单元上曲面积分的数值求积公式。
3.
An approximation format of tetrahedral isoparametric element for solving the 3-dimensional 2-order Dirichlet problem is presented in this paper first,then based on the optical estima- tion of isoparametric transformation,we prove the convergence of the format given,obtain the optical H~1 estimate error.
基于对等参变换的细致估计,证明了格式的收敛性,并得到了H~1-误差的最优估计。
5) isoparametric element
等参单元
1.
Study of degeneration models of isoparametric element in finite element method;
有限元等参单元退化模式研究
2.
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。
3.
Using 8-nodes isoparametric element based on Mindlin plate theory and Newmark method,the dynamic responses of both thin and thick elastic plates resting on Winkler foundation subjected to moving load are analyzed.
采用基于Mindlin板理论的8节点等参单元和Newmark逐步积分法,对Winkler地基上的弹性薄板和厚板在移动荷载作用下的动力响应进行了分析,并与已有的薄板有限条法分析结果进行了对比。
6) isoparametric elements
等参单元
1.
In this dissertation,the principle of FEM in EM was discussed,then a three-layered pavement were analyzed with 4-noded isoparametric elements.
系统阐述了电磁场有限单元法的基本原理,然后采用四节点等参单元分别对三层路面系统进行了静态场和时变场的有限元分析,初步建立了路用探地雷达GPR电磁波在三层路面中传播的正演模型,同实测波形相比,模拟效果较好,并用Fortran90语言编制了相应的三维、二维有限元程序,具有较好的可读性和可移植性。
2.
In this paper, isoparametric elements of twenty nodes are used to calculate the body of Pulse Radar, and a 3-D FEM program was compiled.
采用二十节点等参单元对Pulse雷达实体进行有限元计算,用fotran语言编制了相应的三维有限元程序,根据系统识别原理建立了电磁波在Pulse雷达天线中全反射传播的正演模型,同时域有限差分法、时频域的FFT变换法相比,此结果更为精确、有效,便于工程应用。
补充资料:长等短等
1.犹言左等右等。谓等待久。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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