三维电磁仿真软件 ANSYS HFSS V12 iso

网址：http://www.ansoft.com/products/hf/hfss/

　　美国 ANSYS 推出了三维电磁仿真软件 HFSS 的最新版本 HFSS 12。新版本在网格生成丶求解丶建模等方面的功能及性能有所改善。

　　例如，在网格生成方面，改进了四面体的网格生成。在求解方面，新版本配备了将处理高效分配给多核（包含网络中分布的处理器）的区域分散功能。如果内核数量为8，则处理速度为单内核的8.8倍，需要的内存容量可以减少33％。

　　在建模方面，发布 了三点改进：即 mixed element order（不同次数的元素同时存在）丶curvilinear element（曲线元素）丶adjoint derivative computation（伴随导函数运算）。其中，mixed element order能够使不同次数的元素存在于同一网格中，以提高处理效率。一般来说，小区域使用低次元素求解较佳，较大且均匀的区域适合使用高次元素。而此次的mixed element order能够对一个网格的多个元素，分别分配最佳次数的元素。

　　curvilinear element面向的是曲面建模，能够提高网格粗生成的精度。而adjoint derivative computation能够提供在场所及材料参数发生变化时高效评估S参数导函数的步骤。借助以上改进，可见元器件外边缘，以提高优化处理的效率。

3D Full-wave Electromagnetic Field Simulation
HFSS is the industry-standard simulation tool for 3D full-wave electromagnetic field simulation. HFSS provides E- and H-fields, currents, S-parameters and near and far radiated field results. Intrinsic to the success of HFSS as an engineering design tool is its automated solution process where users are only required to specify geometry, material properties and the desired output. From here HFSS will automatically generate an appropriate, efficient and accurate mesh for solving the problem using the proven finite element method. With HFSS the physics defines the mesh, not the mesh defining the physics. Engineers rely on the accuracy, capacity, and performance of HFSS to design high-speed components including on-chip embedded passives, IC packages, PCB interconnects, and high-frequency components such as antennas, RF/microwave components, and biomedical devices.

The power of HFSS comes from many Ansoft pioneered research and development innovations. These breakthroughs have made HFSS the most widely used software for solving 3D full-wave electromagnetic field simulations.

Tangential vector basis functions enabled the highly accurate finite element method for electromagnetic field solution
Transfinite element method for fast and accurate multi-mode S-parameter extractions
Automatic mesh generation and adaptive refinement for reliable, repeatable and efficient results

New features in HFSS 12.0 software include:

New, robust TAU meshing technology
Domain decomposition solver technology
Curvilinear elements
Mixed element orders
Adjoint derivative computation
Update to ACIS R19.2
Improved link with ANSYS DesignXplorer software

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