Rocky DEM System Requirements

Learn the Ansys Rocky DEM System Requirements for optimal program performance out-of-the-box.  System requirements for integration with Ansys products are also reviewed.

Optimal Rocky DEM Functionality and Basic Requirements

Recommended System Setup & Minimum Requirements

Please see below for minimum Ansys Rocky DEM system requirements, along with optional recommendations.

Minimum Requirements
  • 64-bit Windows 7; 64-bit Windows 10; or 64-bit CentOS 7 Linux* Operating Systems
  • A video card that supports OpenGL graphics
  • 4 GB of free disk space
  • 4 GB of RAM
  • Two-button mouse with center wheel
  • Screen resolution of 1280 x 1024
  • * Other Linux-bases platforms are currently being tested and verified.

Optimal Rocky DEM Functionality and Basic Requirements

Recommended System Setup (for Optimal DEM Functionality)

  • 8 GB of free disk space
  • 8 GB of RAM
  • Quad-core or better processor (Intel Core i5, Intel Core i7, or Intel Xeon processor)
  • Ansys SpaceClaim or other CAD software
  • Microsoft Excel or other spreadsheet software
  • AVI-compatible media player

Additional Minimum Requirements for GPU or Multi-GPU Processing

One or more NVIDIA GPU cards (computing or gaming), each with the following criteria:

  • At least 4 GB memory
  • Fast double-precision processing capabilities*
  • A CUDA compute capability of 3.5 or higher. (See the GPUs Supported table for a list of GPUs and their compute capabilities.)
  • A graphics driver version** that supports the CUDA version 10 toolkit or higher. (See the CUDA Driver table for a list of which driver version supports which toolkit version.)

* Required only for simulations using non-round particle shapes.
**Ensure your GPU card drivers are updated before using Rocky.

Gaming Cards | Rocky DEM:
Computing Workstation Cards | Rocky DEM:
Computing Server Cards | Rocky DEM:

For more information, contact SimuTech Group.

Additional Requirements for CFD Coupling

You can use Rocky coupled with the following Ansys Software versions:

  • Ansys version 2019 R3
  • Ansys version 2020 R1
  • Ansys version 2020 R2
  • Ansys version 2021 R1
  • Ansys version 2021 R2
  • Ansys version 2022 R1
  • Ansys version 2022 R2

Related Resources to Ansys Rocky DEM System Requirements


License & Installation

Hardware Requirements

Diagnostic Logs

Rocky DEM Overview