Ansoft HFSS is the 3D electromagnetic simulation software launched by Ansoft; it is the world's first commercial 3D electromagnetic field simulation software, recognized by the industry as the electronic design industry standard for 3D electromagnetic field design and analysis. HFSS provides a simple and intuitive user design interface, a precision adaptive field solver, and a powerful post-processor with unprecedented electrical performance analysis capabilities to calculate S-parameters and full-wave electromagnetic fields in arbitrarily shaped 3D passive structures.
The scale of the problem that HFSS can calculate is closely related to the workstation hardware configuration CPU speed, memory capacity, hard disk IO, and secondly to the 32-bit or 64-bit operating system used. In HFSS, the order base of the problem description matrix is ​​proportional to the number of grids. In fact, the main constraint of the scale of calculation is the complexity of the problem, and the complexity includes elements such as electrical size and structural complexity.
ANSOFT HFSS's unique advanced adaptive meshing and algorithm technology reduces the total number of grids and saves the computational resources of the unit grid through reasonable optimization. At the same time, it fully utilizes the huge memory capacity of 64-bit machines to finally complete large-scale problems and Highly accurate electromagnetic field solution simulation. HFSS is the world's first solver with 64-bit processor technology, so it can take advantage of its huge memory capacity, which can increase the size of the solution problem by more than 10 times.
Hardware configuration of HFSS 3D electromagnetic simulation grid computing application
1. Multi-core graphics workstation
HFSS supports dual-channel or quad-core multi-core parallel computing solution for shared memory (SMP) architecture. It supports the latest dual 6-core Xeon 5600 and dual 12-core Opteron 6100 series processors. The more memory capacity, the larger the solution size, the CPU core. The more the number and the higher the frequency, the faster the calculation and the shorter the calculation time.
The latest CPU specifications are intel's dual Xeon 5600 series or four-way Xeon 7500 series, AMD's two-way or four-way Opteron 6100 series.
2. Distributed high performance computing cluster
HFSS supports parallel computing of distributed clusters, realizes high simulation model calculation by accessing computer distributed cluster large-capacity memory, and reduces simulation time by means of multiple processor operations. DDM automatically splits the finite element mesh of geometry to a smaller set. Grid (called domain, equivalent size).
HFSS determines the optimal number of domains based on grid size and the number of computers and the number of processors available.
After the domain interface iterative reconstruction process, the domain is analyzed separately on the network, and all the solutions are as if the entire model has been simulated in one computer. This allows for very large model simulations where each computer does not require large enough memory. DDM reduces simulation time by providing near linear acceleration for each additional processor.
HFSS mainstream configuration recommended solution:
Classification of XASUN workstations and clusters in electromagnetic simulation application configuration
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