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29 April 2022 - 19:51
Difference between ansys 18 and ansys 11
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Difference between ansys 18 and ansys 11




difference between ansys 18 and ansys 11
  1. #DIFFERENCE BETWEEN ANSYS 18 AND ANSYS 11 MAC OS#
  2. #DIFFERENCE BETWEEN ANSYS 18 AND ANSYS 11 DRIVERS#
  3. #DIFFERENCE BETWEEN ANSYS 18 AND ANSYS 11 FULL#
  4. #DIFFERENCE BETWEEN ANSYS 18 AND ANSYS 11 WINDOWS 10#
  5. #DIFFERENCE BETWEEN ANSYS 18 AND ANSYS 11 PRO#

  • 1 Gb/s interconnect is effective for small to medium clusters, investing in better can have a good return on investment.
    • See Mechanical recommendations above, no change.
  • CFD does not do a lot of Disk I/O, so you can use SATA drives.
    • High endurance SSD is not strictly necessary.
  • SSD not as critical but is beneficial to the user experience.
  • Memory bandwidth is very important, therefore get high frequency RAM (i.e.
  • Recommended RAM quantity is simulation dependent, but general recommendation is 4-8 GB per core, with more for small core count systems.
  • Both AMD and Intel CPUs are recommended, as long as the latest generation (AMD Zen cores).
  • Core scaling in CFD software is very good, therefore focus on Cores * Frequency = Effective Frequency, with slight bias towards frequency.
  • Workstation with 2 HPC Packs: Dual Xeon Gold 6140 (36 cores total) with 192/384 GB DDR4-2666Ĭomputational Fluid Dynamics (CFD) Performance Considerations.
  • Workstation with 1 HPC Pack: i7-9920X (12 cores) with 128GB DDR4-3200.
  • Workstation with NO HPC licenses: i7-9800X (8 cores) with 64/128GB DDR4-3200.
  • QDR or FDR IB interconnect (or better) if you will be running on two or more nodes in parallel.Īnsys Mechanical – Example Recommendations:.
  • If clustering, a very high-speed interconnect is mandatory (40 Gb/s plus).
    • Please see the most current "graphics cards tested" document at

    difference between ansys 18 and ansys 11

    GPU (for solution acceleration processing):

  • Please refer to Ansys Help and Ansys Platform Support for a recent list of supported Graphic Card models.

    • #DIFFERENCE BETWEEN ANSYS 18 AND ANSYS 11 DRIVERS#

  • Note: It is important to keep graphics drivers updated from the card’s vendor.
  • Ansys maintains a list of tested graphics cards (other cards may/may not work as expected, but typically do work if of the same generation).
    • These will not assist with solution time and only display graphics.

    #DIFFERENCE BETWEEN ANSYS 18 AND ANSYS 11 PRO#

  • A mid-range graphics card (such as Nvidia Quadro P2000 and AMD Radeon Pro WX5100) can be used.
  • Running large models out of RAM (“out-of-core”) will accelerate SSD wear (consume its write endurance) but is still preferable to not using an SSD.
  • Note: For DMP, the program writes results files for every core in use, so having SSDs with a lower seek time will reduce waiting for the hard drive seeks to read/write to all those different files.
    • Intermediate endurance levels are recommended (~0.3 DWPD), not QLC NAND.
  • An SSD is highly recommended for all simulation work.
  • Note: Purchasing more RAM will alleviate I/O issues, as (1) the solver can use this memory to avoid doing as much I/O, and (2) the operating system can then use available RAM to cache or buffer these I/O that MAPDL writes.
  • To operate at maximum speed, all memory channels in both processors should be populated with equal amounts of memory.
    • 2666 MHz for servers or 3200+ for i9 based desktops). 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.

    • #DIFFERENCE BETWEEN ANSYS 18 AND ANSYS 11 MAC OS#

    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.

    • #DIFFERENCE BETWEEN ANSYS 18 AND ANSYS 11 WINDOWS 10#

    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.
    • That said, OS support does vary by product, particularly Ansys's more specialized products and Ansys does also provide broad support for Linux as well.
  • In general, Windows 10 (Pro, Enterprise or Education) is the most common operating system used by SimuTech engineers and our customers to run Ansys and what we recommend.

    • #DIFFERENCE BETWEEN ANSYS 18 AND ANSYS 11 FULL#

    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.






    Difference between ansys 18 and ansys 11
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