查询词典 hexahedral

Design and implement a reliable, high quality, universal hexahedral mesh generation algorithm is the bottle-neck of FEA.

实现可靠的、高品质的、通用的六面体有限元网格自动生成算法是三维有限元仿真领域的瓶颈问题。

The accuracy and efficiency of finite element numerical analysis have close relationship with the mesh quality and density distribution. In order to ensure the hexahedral mesh transition gradually and conformably, a set of 8-refinement based density control templates is proposed newly. The corresponding date structure and template application techniques are also given.

有限元数值分析的精度和效率与网格单元的划分质量以及疏密程度密切相关，针对三维六面体网格单元之间疏密过渡必须平缓和协调的要求，提出了一套基于8分法的六面体网格加密模板，并给出了相应的数据结构和模板应用方式。

The auxiliary technologies for hexahedral mesh generation are studied thoroughly in this article. The technologies mainly cover the parametric description of three-dimensional geometric solid boundary, the controlling of mesh precision by imposing maximum geometric discretization error, the topology analysis of mesh, the optimization of node labeling and the display of mesh with removed hidden lines.

对六面体网格生成的辅助技术进行了较深入的研究，其中主要讨论了三维空间几何实体边界的参数化描述、利用最大几何离散误差来控制网格的离散精度、在对网格的拓扑关系进行正确分析的基础上提出改进的节点编号优化算法以及快速的网格消影显示等技术。

Our results show that the duality of self-dual tetrahedral link is "trivial", and the duality of hexahedral and octahedral link as well as dodecahedral and icosahedral link are "nontrivial".

从构型角度考虑，四面体链环的自对偶是"平凡"的，六面体链环和八面体链环，十二面体和二十面体链环的对偶是"非平凡"的。

There are three classes of dual polyhedral links which can be explored: the tetrahedral link is self-dual, the hexahedral and octahedral link, as well as the dodecahedral and icosahedral link are dual to each other.

从手性角度考虑，对偶变换具有手性保持的特征，十个多面体链环分为六组对偶多面体链环。

A new meshing method is introduced to obtain a hexahedral mesh for three dimension MEMS models.

介绍了一种用于MEMS设计的六面体网格划分方法。

The focus of this paper is concentrated on the generation of hexahedral mesh. Based on the strict procedure, the effective simulate result can be used as reference for developing a new type of catalytic converter.

文中详细的阐述了其六面体网格生成过程，使用严格的计算程序，得到了有效的模拟结果，为排气后处理系统的开发和研制提供了实用的参考。

Based on this algorithm, a hexahedral element remeshing system was established, and several industrial forging processes were then simulated.

基於提出的算法建立了六面体网格再划分原型系统，並给出了几个算例。

In many hexahedral algorithms, sweeping with easy and effective implement is one of the most robust techniques in FEA.

在六面体网格划分算法中，扫掠法以实现简单，算法速度快，成为现有软件中应用比较多的算法之一。

As hexahedral mesh has more advantages than surface mesh and tetrahedral mesh, a research hotpot is concentrated on hexahedral mesh generation algorithm.

由于六面体网格在很多方面具有其它面网格和四面体网格无法比拟的优越性，所以研究热点都集中在六面体网格算法的研究上。

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）。

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％。