ACUSIM Software has been acquired by Altair Engineering and the AcuSolve software is now part of Altair's HyperWorks product line. Click here to obtain latest information about AcuSolve.


AcuDesktop™ is an industrial strength, general-purpose, desktop based Computational Fluid Dynamics (CFD) software developed by ACUSIM Software, Inc., the developer of leading commercial finite element-based CFD solver technology and solutions. With superior robustness, speed and accuracy, AcuDesktop offers complete CFD capabilities from pre-processing, solver solutions, to post-processing in an easy to use, single integrated software environment. AcuDesktop enables mainstream CAE engineers and designers with a powerful CFD tool that is cost effective and easily accessible from their desktops.

Key Benefits

Advanced Solver Technology

Powerful and Easy Pre-Processing Modeling

CAE Automation and Vertical Application Customization

Industrial-Strength Post-Processing Capabilities

Key Features and Functionality


  • Customize for Easy Deployment
    • Import geometry from PTC Pro/ENGINEER, Parasolid, ACIS, Dassault Catia V5, Discrete
    • Import mesh from ANSYS ICEM-CFD, MSC FluidConnection, Abaqus CAE, CEI Harpoon, Altair Hypermesh, Pointwise
  • Generate Mesh from CAD
    • Automatic tet mesher
    • Boundary layer capabilities
    • Full mesh size control on surfaces, volumes and arbitrary zones
    • Advanced extrusion and periodic meshing capabilities
  • Set up Entire Problem Within GUI Environment
    • Have many intelligent default values
  • Launch Solver
    • Interactive or batch processing
    • Progress monitors provide real-time feed back
  • Customize for Easy Deployment
    • CAE automation
    • Process automation


  • Pre-packaged with OEM-bundled version of FieldView from Intelligent Light
  • Interface directly with 3rd party visualization packages
    • EnSight, Fieldview, Paraview

Simulation/Solver Technology

  • Conservative Equations in 3D
    • Incompressible & weakly compressible Stokes and Navier-Stokes equations
    • Thermal analysis and conjugate heat transfer
    • Multi-layered thermal shell equations
    • Multi-species transport equations
  • Radiation
    • Gray body enclosure radiation
    • View-factor computation (in parallel)
    • Solar radiation model
  • Turbulence Models
    • One and two-equation RANS models
    • Smagorinsky and Dynamic sub-grid scale LES models
    • Hybrid RANS/LES (DES & DDES) models
  • Powerful User-Defined Function (UDF) Capability
    • Allows definition of material models, source terms, boundary conditions, etc.
    • Client-server interface with external programs
  • Component Technology
    • Fan component
    • Heat exchange component
  • Support for Computational Aero Acoustics Simulations
  • Unstructured Mesh Support
    • 4-node tetrahedron, 5-node pyramid, 6-node wedge, 8-node brick, and 10-node tetrahedron elements
  • Highly Effective Solver Technology
    • Novel and highly efficient iterative solver for fully coupled pressure/velocity equation systems
    • Fully coupled temperature/flow iterative equation solver
    • Fully parallel on shared and distributed memory machines, transparent to the user
  • Particle Tracer
    • Fast and accurate parallelized particle tracer
    • Laminar and turbulent diffusion

Supported Platforms

  • Windows XP/Vista/Windows 7 (32 and 64bit)

Upgrade to AcuSolve

AcuDesktop is built on AcuSolve technology, the flagship product of ACUSIM Software. Users can easily upgrade from AcuDesktop to AcuSolve. AcuSolve contains all AcuDesktop functionalities, plus the ability to solve flexible mesh motion and multiphysics fluid/ structure interaction (FSI), and additional platform supports such as Windows and Linux clusters. All knowledge gained from and files created by AcuDesktop are readily transferable to AcuSolve.


  • AcuDesktop™ | A Powerful General-Purpose CFD Solution for Desktop Users. View
  • Other datasheets and collaterals are available here.

AcuConsole Screenshot