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Tutorials
Tutorials show you how to use Simcenter STAR-CCM+ for various applications in a step-by-step format with recommendations for setup, initialization and steps of the solution process specific to the application. Macro and simulation files are available for download for a large proportion of cases.
Compressible Flow
The tutorials in this set illustrate various Simcenter STAR-CCM+ features for compressible fluid flows as well as harmonic balance.
Harmonic Balance: Single Stage Periodic Flow
The tutorial illustrates the steps necessary to simulate a single axial compressor blade row so that the effect of a periodic wake can be analyzed using the Harmonic Balance method.
Defining Boundary Conditions
The Non-Reflecting option is activated for both the inlet and outlet boundaries.

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Tutorials
Tutorials show you how to use Simcenter STAR-CCM+ for various applications in a step-by-step format with recommendations for setup, initialization and steps of the solution process specific to the application. Macro and simulation files are available for download for a large proportion of cases.
- Using Tutorial Macros and Files
  Macros, input files, and final simulation files for a range of tutorials are provided as an optional download package on the Support Center website. These macros and final simulation files are provided as an aid to the written tutorials, so that you can check your final results against the downloaded files, or against a simulation that is built and run using the macros.
- Introduction
  Welcome to the Simcenter STAR-CCM+ introductory tutorial. In this tutorial, you explore the important concepts and workflow. Complete this tutorial before attempting any others.
- Foundation Tutorials
  The foundation tutorials showcase the major features of Simcenter STAR-CCM+ in a series of short tutorials.
- Geometry
  The tutorials in this set illustrate various Simcenter STAR-CCM+ features for creating and working with parts and 3D-CAD.
- Mesh
  The tutorials in this set illustrate various STAR-CCM+ features for building CFD meshes.
- Incompressible Flow
  The tutorials in this set illustrate various Simcenter STAR-CCM+ features for incompressible fluid flows as well as porosity and solution recording
- Compressible Flow
  The tutorials in this set illustrate various Simcenter STAR-CCM+ features for compressible fluid flows as well as harmonic balance.
  - Subsonic Flow: NACA-Type Intake
    This tutorial illustrates how to solve a three-dimensional compressible flow problem using Simcenter STAR-CCM+.
  - Transonic Flow: RAE2822 Airfoil
    The tutorial simulates two-dimensional, turbulent, compressible, transonic air flow over an idealized airfoil.
  - Transonic Flow: RAE2822 Airfoil Using Overset Mesh
    This tutorial demonstrates how to use an overset mesh to simulate transonic flow over the RAE2822 airfoil.
  - Anisotropic Volume Meshing: Onera M6 Wing
    When meshing aerospace geometries such as wings, propeller blades, or turbine blades, you are required to generate a very fine mesh that adequately captures the curvature of the leading and trailing edges. To help reduce the cell count while maintaining solution accuracy, Simcenter STAR-CCM+ provides an anisotropic meshing option by which you can refine these edges.
  - Adaptive Mesh Refinement: Hypersonic Flow
    Hypersonic flows and flight envelopes present unique challenges in Computational Flow Dynamics. The extreme gradients and shocks can push flow solvers to their limits and resolving the flow features, particularly shock formation, is of paramount importance in obtaining valid converged solutions. In Simcenter STAR-CCM+, you can apply Adaptive Mesh Refinement (AMR) to accurately resolve developing shocks using refinement based on solution gradients.
  - Harmonic Balance: Single Stage Periodic Flow
    The tutorial illustrates the steps necessary to simulate a single axial compressor blade row so that the effect of a periodic wake can be analyzed using the Harmonic Balance method.
    - Loading a Single Row Simulation
      The Harmonic Balance simulation starts from a converged steady-state solution. You load the starting simulation file, which includes the single row blade geometry along with the solution of the steady-state simulation, into STAR-CCM+.
    - Selecting the Physical Models for Harmonic Balance
      The flow of air through the blade row is modeled using the Harmonic Balance model. The air is described by the ideal gas law and turbulence is accounted for by the Spalart-Allmaras turbulence model.
    - Defining Harmonic Balance Parameters
      The Harmonic Balance Flow and Energy model requires definition of blade row parameters.
    - Defining Boundary Conditions
      The Non-Reflecting option is activated for both the inlet and outlet boundaries.
    - Visualizing the Temperature
      You visualize the temperature distribution on a plane cutting through the center of the mesh.
    - Running the Simulation
      You start the analysis from the steady-state solution that is included in the starting simulation file. You run the simulation for 2000 iterations.
    - Analyzing Results
      You examine temperature and pressure on the blade surface.
    - Summary
      This tutorial demonstrated the following features:
  - Gas Turbine Aerodynamics: Post-Processing
    In turbomachinery studies, the analysis of the flow field throughout the blade passage requires advanced post processing methods.
- Heat Transfer and Radiation
  The tutorials in this set illustrate various Simcenter STAR-CCM+ features for heat transfer, radiation, and thermal comfort.
- Multiphase Flow
  The tutorials in this set illustrate various Simcenter STAR-CCM+ features for simulating multiphase fluid flow problems
- Discrete Element Method
  The tutorials in this set illustrate various Simcenter STAR-CCM+ features for simulating Discrete Element Method problems
- Motion
  The tutorials in this set illustrate various STAR-CCM+ features for simulating problems with moving geometries and meshes, dynamic fluid body interaction, and rigid body motion:
- Reacting Flow
  The tutorials in this set illustrate various Simcenter STAR-CCM+ features for simulating reacting flows such as combustion.
- Solid Stress
  The tutorials in this set illustrate various Simcenter STAR-CCM+ features for computing deformation, strain, and stresses in solid regions. They also show how such computations can be coupled to the fluid behavior in an analysis of fluid-structure interaction.
- Aeroacoustics
  The tutorials in this set illustrate various Simcenter STAR-CCM+ features for solving aeroacoustic simulations.
- Electromagnetism
  The following tutorials illustrate features for solving problems that involve electromagnetic fields.
- Electrochemistry
  The following tutorial demonstrates chemical reactions induced by an electrical current.
- Battery
  The tutorials in this set illustrate various Simcenter STAR-CCM+ features for setting up a battery model:
- Automation
  The tutorials in this set illustrate various Simcenter STAR-CCM+ automation and macro features.
- Design Exploration
  The tutorials in this set illustrate various features for running design exploration studies in Design Manager.
- Coupling with CAE Codes
  The tutorials in this set illustrate various Simcenter STAR-CCM+ features for coupling with CAE codes:
- Analysis Methods
  The tutorials in this set illustrate various Simcenter STAR-CCM+ features for analysing and visualizing simulation data.
- Simcenter STAR-CCM+ In-cylinder
  The tutorials in this set illustrate features for simulating internal combustion engines in Simcenter STAR-CCM+ using the dedicated add-on Simcenter STAR-CCM+ In-cylinder.

Defining Boundary Conditions

The Non-Reflecting option is activated for both the inlet and outlet boundaries.

The Wake specification at the inlet is also set to define the periodic perturbation. This consists of defining the characteristics of the wake profile and the upstream blade row. In this example, a Gaussian wake profile is used, with a width of 0.15 and a defect of 2. The upstream blade row has 48 blades and is stationary (0.0 rads/s), as it represents a stator.

To define boundary conditions:

Expand the Regions > Turbo Blade Row 1 > Boundaries > Blade Inlet Blade Row 1 > Physics Conditions > Stagnation Inlet Option node and set Option to Non-Reflecting.

An additional node, Wake Specification, is added to the Physics Conditions manager for this boundary when the Non-Reflecting option is activated.
Select the Wake Specification node and set Method to Gaussian.

In response to these changes, there are now two extra nodes in the Physics Values folder that must be set.
Select the Physics Values > Gaussian Wake node, set Rotation Rate to 0.0 radian/s, and keep the default setting for Modes as 1.
Select the Physics Values > Gaussian Wake > Blades Per Pitch node and set Number of Blades to 48.
Select the Physics Values > Non-Reflecting Mode Specification node and set Number of Modes to 9.

Similarly, modify the outlet boundary without the wake specification.

Select Regions > Turbo Blade Row 1 > Boundaries > Blade Outlet Blade Row1 > Physics Conditions > Pressure Outlet Option and set Option to Non-Reflecting.
For the same boundary, select the Physics Values > Non-Reflecting Mode Specification node and set Number of Modes to 9

Define the blade row specification:

Select the Regions > Turbo Blade Row 1 > Physics Values > Blade Row Specification node and set Blade Row to Blade Row 1.
Save the simulation.