HEXPRESS™/Hybrid 可自动生成任意复杂三维几何体的全六面体非结构网格。可直接输入多种作图软件的数据，并对其有自动修补动能。是NUMECA公司专门针对异常复杂模型开发的快速、高效网格生成器。采用全球先进的并行网格生成技术，通过八叉树的网格划分方法生成包含六面体（主要）和四面体的混合网格，并自动生成高质量的边界层网格，其集成的自动包装技术和洞搜索技术可有效避免大量的CAD清理和修补过程，从而实现复杂模型快速、高自动化、高质量的网格生成。
关键特性:
- 针对任意复杂的几何模型生成高质量的混合网格：内流/外流，CFD和FEM网格
- 根据用户需求进行全边吸附
- 自动完成CAD模型的清理、补洞等修复
- 狭小缝隙和重叠自动修补
- 大的缝隙采用HoleSearcher进行检测和修补
- 根据用户指定细化级别给出几何捕捉详尽信息
- 先进的并行网格生成技术（SMP共享内存）
- 图形用户界面全脚本化
- 采用平滑过渡实现灵活的边界层插入
- 体网格划分，纯四面体，纯六面体或其混合
- 网格变形
- 一步实现相似几何模型的网格划分
- 可划分狭小细面（如进气道等）
HEXPRESS™/Hybrid 的特性适用于广泛的工业领域：
- 汽车初期设计、外流场分析、热管理等计算
- 火车、货车和汽车生产商
- 工业、农业和建筑机械
- 石油天然气工业
- 集成旋转机械和飞行器行业
- 环境模拟
- 电子工业
File Size: 1.3 GB
The HEXPRESSTM / Hybrid program appeared on the market as a response to the need of European automotive companies for a fast and efficient mesher (grid builder), with which you can build computational grids for complex topologies in an extremely short time. At the moment, in our opinion, this is the only known tool that allows you to build a grid for calculating both the external and internal aerodynamics of such a complex object as, for example, a car, including the engine compartment and the interior, in one day, starting directly from the “unclean” geometry.
HEXPRESSTM / Hybrid offers its meshing technology and its original meshing approach. The preprocessing is divided into two stages, the first is working with geometry in the user interface of the program. The second stage is the launch of building a grid from the command line (in the style of working with Linux, Unix operating systems) using a text configuration file that contains the parameters of the meshing. There are few options for meshing, they are intuitive. The main advantage of combining the GUI philosophy and working on the command line using the configuration file is the speed and automatism in rebuilding grids, the process of creating new grids for new standard geometries is accelerated many times, bypassing the often tedious stage of grid setup in the user interface (you already have there is a ready-made config file and everything you need
The meshing process in HEXPRESSTM / Hybrid is completely parallelized; by default, it runs on all available parallel computer processor cores.
Unique innovative technologies embedded in HEXPRESSTM / Hybrid allow you to automatically build hexadominant, conformal grids (it is possible to build tetra or full hex grids) for the entire settlement domain or several domains, the grid is built with the resolution of the wall layer or without it, if desired.
The key feature of the HEXPRESSTM / Hybrid is that it is not demanding on the cleanliness of the initial geometry and can build a grid for geometries with serious flaws, crevices, etc., which generally reduces the time step of meshing by an order of magnitude when working with real, “unclean” geometries .
HEXPRESSTM / Hybrid has a built-in automatic tool for finding and closing holes, which allows you to start working with almost any geometry that you have been transferred without having the deep knowledge or time to solve the problem in CAD or similar systems.
HEXPRESSTM / Hybrid is an ideal tool for building grids of large dimension, complex geometry topology in the shortest possible time.
Currently, HEXPRESSTM / Hybrid has found its fans in almost all branches of engineering and industry, including such atypical areas as medicine.
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