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CFD - Solver Solution

AcuSolve CFD Solver

AcuSolve (Learn more about AcuSolve)

Altair® AcuSolve® is a leading general-purpose Computational Fluid Dynamics (CFD) solver that is capable of solving the most demanding industrial and scientific applications.

Based on the Finite Element method, AcuSolve’s robust and scalable solver technology empowers users by providing unparalleled accuracy on fully unstructured meshes. Applications ranging from steady RANS simulations to complex, transient, multiphysics simulations are handled with ease and accuracy.

Key Benefits

  • Robustness - Most problems solved on the first attempt
  • Speed - Fully coupled solver on shared-memory and distributed parallel systems
  • Accuracy - Highly accurate in space and time while globally and locally conservative

Key Features and Functionality

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

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
  • Viscoelastic Material Modeling

  • Gray body enclosure radiation
  • View-factor computation (in parallel)
  • Solar radiation model

Turbulence Models
  • Direct Numerical Simulation (DNS)
  • Smagorinsky and Dynamic sub-grid scale LES models
  • Hybrid RANS/LES (DES, DDES, IDDES, SST-DES) models
  • One- and two-equation Reynolds Averaged Navier-Stokes (RANS) model

Moving Mesh Simulation Technology
  • Arbitrary Eulerian Lagrangian (ALE) Technology
  • Flexible mesh movement
  • Free surface simulation
  • Guide surface technology
  • Sliding mesh technology
  • Specified Mesh Motion
  • Non-conformal Mesh Interfaces

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

Multiphysics Capabilities
  • Rigid body dynamics coupling
  • Practical Fluid/Structure Interaction (P-FSI)
  • Direct-Coupling Fluid/Structure Interaction (DC-FSI)

Computational Aero Acoustics (CAA) Simulations
  • Built-in Ffowcs-Williams-Hawkings acoustic solver
  • Support for 3rd party acoustics solver

Unstructured Mesh Support
  • 4-node tetrahedron, 5-node pyramid, 6-node wedge, 8-node brick, and 10-node tetrahedron elements

Particle Tracer
  • Fast and accurate parallelized particle tracer
  • Laminar and turbulent diffusion
  • Bo-directionally coupled

Supported Platforms
  • Windows XP/Vista/Windows 7 (32 and 64 bit)
  • Windows HPC Server 2008
  • Linux (x86-64, NVIDIA Tesla GPGPUs as co-processors)

Wind Turbine Simulation

Offshore Platform Riser Simulation

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