System Requirements
Supported Operating Systems
Cradle CFD main package
| OS(64bit) | Windows x64bit (AMD64/Intel64) |
Windows 10, Windows 11 (Verified by version 11(23H2)) Windows Server 2022 |
| Linux x64bit (AMD64/Intel64)*1 |
RedHat Enterprise Linux 8 (Verified by 8.10) RedHat Enterprise Linux 9 (Verified by 9.4) SUSE Linux Enterprise Server 15 (Verified by SP6) |
|
| Linux x64bit (AMD64/Intel64)*2 |
RedHat Enterprise Linux 8 (Verified by 8.10) | |
| Memory | 8GB or more; depends on the number of elements | |
| HDD | 10GB for installation | |
| Graphics | Graphics card that supports OpenGL for Preprocessor/Postprocessor | |
*1) [scFLOW and SC/Tetra] Only compliant with Solver, Monitor, and Meshing function of Preprocessor.
[scSTREAM] Only compliant with Solver and Monitor. Not available for HeatDesigner.
*2) Only scFLOW Solver, scFLOW Meshing function of Preprocessor and scSTREAM Solver are supported. Certified CPU: Fujitsu A64FX, Ampere Altra, AWS Graviton3
Please contact support when installing on machines equipped with Fujitsu A64FX.
GPU solver (scFAST)
| OS CPU |
Linux x64bit (AMD64/Intel64) |
Same as Cradle CFD main package |
| Linux AArch64(AMD64) |
Same as Cradle CFD main package | |
| GPU | Linux x64bit (AMD64/Intel64) |
A100, H100, H200*1 |
| Linux AArch64(AMD64) |
GH200*1 | |
| GPU Driver | NVIDIA Linux Driver 575.57.08 or later | |
| Memory | Requires CPU memory equivalent to the GPU memory | |
| HDD | 2GB or more for installing additional modules | |
The verified environment is as follows:
Linux x64 (AMD64/Intel64): Red Hat Enterprise Linux 8.10, A100, NVIDIA Linux Driver 580.82.07
Linux AArch64 (ARM64): Red Hat Enterprise Linux 8.10, GH200, NVIDIA Linux Driver 580.95.05
Testing on environments other than those listed above may take time.
*1) Graphics-oriented GPUs (such as the RTX series) are not supported.
For current and future supported platforms for Hexagon's suite of CAE products go to: https://hexagon.com/support-success/manufacturing-intelligence/design-engineering-support/platform-support (or successor URL)
System Requirements
scFLOW
| Approx. size of analysis | Memory | Approx. 5 million elements / 15.2GB |
| Maximum number of elements (actual) | 2210 million | |
| Maximum degree of parallelism (actual) | 36864 | |
| Compiler Environment (User defined function） |
Windows edition*1 | Microsoft Visual Studio 2019 |
| Microsoft Visual Studio 2022 | ||
| Linux edition |
GCC (GNU Compiler Collection) (Linux standard) |
|
| Linux ARM edition |
GCC (GNU Compiler Collection) (Linux standard) |
|
| MPI Library | Windows edition | Intel® MPI Library 2021 Update 10 or 2018 Update 5*2 |
| Linux edition | Intel® MPI Library 2021 Update 10, 2019 Update 11*2, or OpenMPI 4.1.6 | |
| Linux ARM edition | OpenMPI 4.1.6 |
scFAST
| Approx. size of analysis | Memory(GPU) | Approx. 5 million elements/7.5GB (Pressure based solver)
Approx. 5 million elements/4.5GB (Density based solver) |
| Maximum number of elements (actual) | 44 million (Pressure based solver)
81 million (Density based solver) |
scSTREAM/ HeatDesinger
| Approx. size of analysis | Memory | Approx. 5 million elements / 7GB |
| Maximum number of elements | 2 billion | |
| Maximum degree of parallelism (actual) | 36864*3 | |
| Compiler Environment (User defined function） |
Windows edition | Microsoft Visual Studio 2022 and Intel Fortran Compiler 2025.1.0 |
| Linux edition | GFortran (GNU Fortran compiler) (Linux standard) | |
| Linux ARM edition | GFortran（GNU Fortran compiler）12.2 | |
| MPI Library | Windows edition | Intel® MPI Library 2021 Update 10 or 2018 Update 5*2 |
| Linux edition | Intel® MPI Library 2021 Update 10, 2019 Update 11*2 or OpenMPI 4.1.6 | |
| Linux ARM edition | OpenMPI 4.1.6 |
*1)Verified with Windows SDK (10.0.22621.0).
*2) Use Intel-MPI packaged in Cradle products. This version is bundled with Intel MPI 2021 Update 10 and Intel MPI 2018 Update 5(Windows), Intel MPI 2019 Update 10(Linux). We recommend you use Intel MPI 2021 Update 10. When activating on multiple machines, we recommend you use it under the environment that meets the Intel® MPI Library system requirements available at https://software.intel.com/en-us/articles/intel-mpi-library-release-notes (or successor URL).
*3) Actual record with parallelism in a subdomain (Upper limit of the number of subdomains is 4096). The maximum number of parallel for the Heat Designer Solver is 4 (the maximum parallel in a region is 2 and the maximum parallel in a subdomain is 2).