2022.2

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AcuSolve Validation Manual
Collection of AcuSolve simulation cases for which results are compared against analytical or experimental results to demonstrate the accuracy of AcuSolve results.
Compressible
This section includes validation cases that consider the compressibility of the fluid using a variable material model.

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Tutorials
AcuSolve Training Manual
AcuSolve Validation Manual
AcuSolve Command Reference Manual
AcuSolve Programs Reference Manual
AcuSolve User-Defined Functions Manual
AcuTrace Command Reference Manual
AcuTrace User-Defined Functions Manual
AcuReport Reference Manual
AcuSolve Surface Processing

2022.2

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View new features for AcuSolve 2022.2.
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AcuSolve is a leading general purpose CFD solver that is capable of solving the most demanding industrial and scientific applications.
Tutorials
Discover AcuSolve functionality with interactive tutorials.
AcuSolve Training Manual
Introduction of background knowledge regarding flow physics and CFD as well as detailed information about the use of AcuSolve and what specific options do.
AcuSolve Validation Manual
Collection of AcuSolve simulation cases for which results are compared against analytical or experimental results to demonstrate the accuracy of AcuSolve results.
- Turbulent Flow
  This section includes validation cases containing flow conditions that will cause turbulence to form, requiring that a turbulence model is used.
- Steady Flow
  This section includes validation cases that consider steady state flow simulations.
- Laminar Flow
  This section includes validation cases that do not require a turbulence model to be used.
- Internal Flow
  This section includes validation cases that consider wall bounded simulation domains with internally constrained fluid medium.
- External Flow
  This section includes validation cases that consider unbounded simulation domains where external flow is present over solid bodies, leading to free boundary layer development.
- Transitional Flow
  This section includes validation cases containing conditions producing laminar to turbulent flow that are simulated with a turbulence transition model.
- Transient Flow
  This section includes validation cases that consider time dependent flow simulations.
- Heat Transfer/Radiation
  This section includes validation cases that consider the temperature of the flow by simulating one or modes of heat transfer.
- Moving Mesh
  This section includes validation cases that consider time dependent motion within the domain, requiring that the mesh movement be modeled with a differential equation, a fully defined mesh motion or by interpolated mesh motion.
- Reference Frame
  This section includes validation cases that consider multiple reference frame simulations to model the effects of simplified rotational motion.
- Multiphase
  This section includes validation cases that consider the immiscible multiphase interaction of two fluids.
- Compressible
  This section includes validation cases that consider the compressibility of the fluid using a variable material model.
  - Supersonic Flow Through a Converging-Diverging Nozzle
    In this application, AcuSolve is used to simulate the high-speed turbulent flow in a converging and then diverging nozzle. The flow within the nozzle enters as subsonic, reaches sonic at the throat and shortly after develops a normal shock. AcuSolve results are compared with experimental results adapted from Bogar and Sajben (1983). The close agreement of AcuSolve results to experimental measurements validates the ability of AcuSolve to simulate internal supersonic flows where normal shocks are present.
  - Ideal Gas Compression in an Actuating Piston
    In this application, AcuSolve is used to simulate pressure and temperature inside an actuating piston using the ideal gas relationship and fully defined mesh motion. AcuSolve results are compared with analytical results as described in Moran and Shapiro (2000). The close agreement of AcuSolve results with analytical results validates the ability of AcuSolve to model cases with material properties defined by the ideal gas law subjected to significant mesh distortion.
AcuSolve Command Reference Manual
AcuSolve command descriptions and corresponding examples.
AcuSolve Programs Reference Manual
AcuSolve utility programs covering preparatory and post-processing as well as user-defined functions and utility scripts.
AcuSolve User-Defined Functions Manual
Customization of AcuSolve allowing you to customize certain capabilities of the solver.
AcuTrace Command Reference Manual
Commands of AcuTrace, a particle tracer that runs as a post-processor to or a co-processor with AcuSolve.
AcuTrace User-Defined Functions Manual
Instructions to define additional solution quantities of AcuTrace called user equations.
AcuReport Reference Manual
Instruction of the AcuReport tool, a standalone post-processor batch tool used to generate a report from an AcuSolve solution database.
AcuSolve Surface Processing

View All Altair Simulation Help

2022.2

Home
AcuSolve Validation Manual
Collection of AcuSolve simulation cases for which results are compared against analytical or experimental results to demonstrate the accuracy of AcuSolve results.
Compressible
This section includes validation cases that consider the compressibility of the fluid using a variable material model.

What's New
Get Started
Tutorials
AcuSolve Training Manual
AcuSolve Validation Manual
AcuSolve Command Reference Manual
AcuSolve Programs Reference Manual
AcuSolve User-Defined Functions Manual
AcuTrace Command Reference Manual
AcuTrace User-Defined Functions Manual
AcuReport Reference Manual
AcuSolve Surface Processing

Compressible

This section includes validation cases that consider the compressibility of the fluid using a variable material model.

Supersonic Flow Through a Converging-Diverging Nozzle
In this application, AcuSolve is used to simulate the high-speed turbulent flow in a converging and then diverging nozzle. The flow within the nozzle enters as subsonic, reaches sonic at the throat and shortly after develops a normal shock. AcuSolve results are compared with experimental results adapted from Bogar and Sajben (1983). The close agreement of AcuSolve results to experimental measurements validates the ability of AcuSolve to simulate internal supersonic flows where normal shocks are present.
Ideal Gas Compression in an Actuating Piston
In this application, AcuSolve is used to simulate pressure and temperature inside an actuating piston using the ideal gas relationship and fully defined mesh motion. AcuSolve results are compared with analytical results as described in Moran and Shapiro (2000). The close agreement of AcuSolve results with analytical results validates the ability of AcuSolve to model cases with material properties defined by the ideal gas law subjected to significant mesh distortion.

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