![]() About 15 GB per million degrees of freedom is required, but this is approximate (45 GB per million solid nodes in structural analysis). The model solution should be solving in RAM (“in-core”) and not paging to the hard drive (“out-of-core”). ![]() WikiChip is an excellent resource on turbo speeds. High core frequency is ideal, but actual frequency is dependent or core use, instruction set use, and adequate cooling.Examples of recommended CPUs for HPC applications: i9-9920X or Xeon Gold 6136 (12 cores), Xeon Gold 6140 (18 cores * 2 = 36 cores).Check Intel ARK Database for AVX512 Support (but not Xeon Phi series). ![]() Solver is aided by AVX512 support, thus Intel CPUs based on Skylake-SP and Skylake-X or newer are recommended. ![]() While you should be able run Ansys on a Windows Virtual Machine inside Mac OS with a program like Parellels, this is NOT supported and your mileage may vary in regards to compatibility and performance will be hindered. Mac OS is not supported and Ansys cannot be installed on this OS.We strongly recommend upgrading to Windows 10 for compatibility, performance and security reasons. Windows 7 ( unsupported by Microsoft) & Windows 8 ( mainstream support has ended) may run Ansys, however, they are officially unsupported and we have experienced software errors while running on these OS's.Linux - While not for the typical user Ansys does also provide support for different Linux.While versions supported on Windows 10 will likely work on Windows 11, we still recommend using Windows 10 for the time being if you need to use versions prior than 2022 R2. However, we have not widely deployed or tested prior versions of Ansys on Windows 11 at this time. Windows 11 - As of Ansys version 2022 R2 and after, is supported.This is the OS that SimuTech engineers and the majority of our customers use to run Ansys and what we recommend. Windows 10 - is the most commonly used and supported operating system.Please see the document called Platform Support by Application / Product on Ansys's Platform Support page for a full list of supported OS's for current and previous versions of Ansys.
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