Home
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.
Reacting Flow
The tutorials in this set illustrate various Simcenter STAR-CCM+ features for simulating reacting flows such as combustion.
Surface Chemistry: Methane on Platinum Oxidation
This tutorial models methane on platinum oxidation using complex chemistry models.
Setting Up the Models
Models define the primary variables that are being solved in the simulation—such as pressure, velocity, temperature, and species mass fractions. In this example, the flow is a laminar, compressible, multi-component gas whose components are reacting chemically with the platinum surface.

Share

Link: copied

Breadcrumb: copied

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.
- 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.
  - Complex Chemistry: Methane-Air Jet Flame
    This tutorial demonstrates how to set up and solve a complex chemistry simulation to model finite-rate chemistry in a flame.
  - Spray Combustion: n-Dodecane
    In this tutorial, you simulate spray combustion using the Steady Laminar Flamelet (SLF) model with the Soot Method of Moments model.
  - Flamelet Generated Manifold: Perfectly Premixed Combustion with Adaptive Meshing
    This tutorial simulates lean perfectly-premixed propane combustion using the Flamelet Generated Manifold (FGM) model in a combustor where the flame is stabilized behind a V-shaped bluff body. The Large Eddy Simulation (LES) model is used to directly resolve the large scales of the turbulence, and model the small scale motions, in the flow domain.
  - Surface Chemistry: Methane on Platinum Oxidation
    This tutorial models methane on platinum oxidation using complex chemistry models.
    - Prerequisites
      The instructions in the Surface Chemistry: Methane on Platinum Oxidation tutorial assume that you are already familiar with certain techniques in Simcenter STAR-CCM+.
    - Importing the Mesh and Naming the Simulation
      To set up the Simcenter STAR-CCM+ simulation, launch a simulation and import the supplied volume mesh.
    - Setting Up the Models
      Models define the primary variables that are being solved in the simulation—such as pressure, velocity, temperature, and species mass fractions. In this example, the flow is a laminar, compressible, multi-component gas whose components are reacting chemically with the platinum surface.
    - Importing the Complex Chemistry Definition
      Import the complex chemistry definition from Chemkin-formatted files.
    - Setting Material Properties
      Gas and surface species—as well as their reactions, thermodynamic properties, and molecular transport properties—are imported with the complex chemistry definition.
    - Setting Initial Conditions
      Specify appropriate values for the initial conditions.
    - Setting Boundary Conditions and Values
      Specify boundary conditions for the inlet and outlet boundaries.
    - Setting Solver Parameters and Stopping Criteria
      Set the appropriate solver parameters and stopping criteria for the simulation.
    - Plotting Simulation Data
      Create plots to help you visualize the solution.
    - Reporting and Monitoring with Plots
      In this tutorial, the CPU time that is needed to perform complex chemistry calculations is compared with the CPU time for the entire solver calculations.
    - Running the Simulation
      Run the simulation.
    - Examining Plots
      Examine the results in the plots.
  - Reacting Channels: Steam Methane Reforming
    In this tutorial, you use the Reacting Channel Coupling co-simulation model in Simcenter STAR-CCM+ to solve a reacting flow simulation using the same method as is required for systems such as: reformers, crackers, and process heaters.
  - Acoustic Modal Analysis: Thermo-Acoustic Stability of a Cylindrical Burner
    Thermo-acoustic instability, that is, large-amplitude pressure oscillations, can be encountered in many devices such as gas turbines, rocket engines, or combustors. The instabilities, which can have detrimental consequences, are excited by the feedback loop between the unsteady combustion and the natural acoustic modes of the devices.
  - Eddy Break-Up: Coal Combustion
    The combustion of pulverized coal is still one of the main primary energy conversion mechanisms worldwide.
  - Fire and Smoke Wizard: Steckler Room
    This tutorial demonstrates the Fire and Smoke Wizard. The geometry and fire settings closely resemble those Steckler reported, including radiation and wall heat absorption. This setup allows a preliminary comparison with experimental data.
- 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.

Setting Up the Models

Models define the primary variables that are being solved in the simulation—such as pressure, velocity, temperature, and species mass fractions. In this example, the flow is a laminar, compressible, multi-component gas whose components are reacting chemically with the platinum surface.

In this tutorial, the Segregated Flow model is used together with the Complex Chemistry and Surface Chemistry models.

To select the physics models:

For the physics continuum, Continua > Physics 1, select the following models in order:

Note	Auto-select recommended models must be activated.


Group Box	Model
Enabled Models	Three Dimensional (Selected automatically)
Time	Steady
Material	Multi-Component Gas
Reaction Regime	Reacting
Reacting Flow Models	Reacting Species Transport
Reacting Species Models	Complex Chemistry
Turbulence Chemistry Interactions	Laminar Flame Concept
Flow	Segregated Flow
Enabled Models	Gradients (Selected automatically)
	Segregated Species (Selected automatically)
	Segregated Fluid Enthalpy (Selected automatically)
Equation of State	Ideal Gas
Viscous Regime	Laminar
Optional Models	Surface Chemistry

Click Close.

In steady state simulations, you provide an iteration where chemical reactions are activated. In this example, the cold flow simulation is run for the first 50 iterations to achieve a stable steady-state field.

Select the Complex Chemistry node and set Begin to 51.
Save the simulation.