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.
Coupling with CAE Codes
The tutorials in this set illustrate various Simcenter STAR-CCM+ features for coupling with CAE codes:
GT-SUITE Co-Simulation: 1D Coupling
This tutorial demonstrates the typical workflow for co-simulation with the engine simulation code GT-SUITE from Gamma Technologies.
Modifying the GT-SUITE Simulation for Co-Simulation
After running a standalone GT-SUITE analysis to convergence, you modify the GT-SUITE simulation for coupling with Simcenter STAR-CCM+.
Defining Species Mapping
Define species mapping, so that GT-SUITE can map Simcenter STAR-CCM+ gas components to its own species.

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.
- 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:
  - Simcenter STAR-CCM+ to Simcenter STAR-CCM+ Coupling: Heat Transfer in a Chimney
    This tutorial demonstrates the process for modeling conjugate heat transfer using Simcenter STAR-CCM+ to Simcenter STAR-CCM+ thermal co-simulation.
  - Simcenter Nastran Co-Simulation: Disc Valve
    To solve fluid-structure interaction problems, you can couple Simcenter STAR-CCM+ and Simcenter Nastran in a co-simulation analysis. Simcenter STAR-CCM+ computes the flow solution and Simcenter Nastran computes the structural analysis for the solid.
  - FMU Co-Simulation with Simcenter Amesim: Check Valve
    Simcenter STAR-CCM+ can exchange data with Simcenter Amesim through imported FMU models. An FMU is a time-dependent model written in the Functional Mock-up Interface (FMI) standard.
  - FMU Co-Simulation: Temperature Controller
    Simcenter STAR-CCM+ can exchange single-value data with imported FMU models. FMU models are time-dependent models that are written according to the Functional Mock-up Interface (FMI) standard.
  - Abaqus File-Based Coupling: Exhaust Manifold
    The purpose of this tutorial is to demonstrate the typical workflow in running a thermal fluid-structure interaction case using the file-based coupling method with Abaqus.
  - Abaqus Co-Simulation: Thermal Coupling
    This tutorial demonstrates how to run a thermal co-simulation case using Simcenter STAR-CCM+ and Abaqus. Co-simulation involves a strong coupling between the two codes, in which data exchange occurs at frequent intervals, that are known as coupling steps. In this case, data is exchanged at the end of each time-step, and a relatively large time-step is used to approximate a steady-state solution.
  - Abaqus Co-Simulation: Mechanical Coupling
    This tutorial demonstrates how to carry out a mechanical co-simulation case using Simcenter STAR-CCM+ and Abaqus. Co-simulation involves a strong coupling between the two codes. Data is exchanged at frequent intervals that are called coupling steps. This level of communication between the solvers allows you to obtain a full solution across the fluid-solid interface.
  - gPROMS File Export: Spray Dryer
    Simcenter STAR-CCM+ allows for one-way coupling with gPROMS, a process modeling platform for the simulation of complex systems. In Simcenter STAR-CCM+ you reduce three-dimensional solution data to discrete values defined for clusters of cells; data from these clusters can then be exported to a network in gPROMS.
  - GT-SUITE Co-Simulation: 1D Coupling
    This tutorial demonstrates the typical workflow for co-simulation with the engine simulation code GT-SUITE from Gamma Technologies.
    - Prerequisites
      The instructions in the GT-SUITE Co-Simulation - 1D Coupling tutorial assume that you are already familiar with certain techniques in Simcenter STAR-CCM+.
    - Preparing the File Structure
      For this tutorial, you are provided with a starting GT-SUITE simulation file, containing the engine analysis, and the intake manifold Simcenter STAR-CCM+ volume mesh. Copy these files to your working directory.
    - Modifying the GT-SUITE Simulation for Co-Simulation
      After running a standalone GT-SUITE analysis to convergence, you modify the GT-SUITE simulation for coupling with Simcenter STAR-CCM+.
      - Running the GT-SUITE Simulation
        Before you couple Simcenter STAR-CCM+ to GT-SUITE, you run a standalone GT-SUITE analysis and examine the results. This practice makes sure that the model is valid and determines how many cycles are required to converge to a steady state solution. It also reduces the risk of error and inaccuracies when running the coupled simulation.
      - Analyzing the Results in GT-POST
        Using GT-POST, you analyze the results of the GT-SUITE simulation. You can determine the number of cycles that are required to reach a steady state solution, and visualize the converged values for pressure, temperature, and mass fractions. These values can be used as initial conditions in Simcenter STAR-CCM+, in order to speed up convergence of the co-simulation.
      - Adding CFD Objects to the Project Tree
        In GT-SUITE, you define the co-simulation interface using three types of objects: CFD Interfaces, CFD Components, and CFD Connections.
      - Adding CFDInterfaces to the Model Map
        In the model map, you mark the 1D/3D interfaces between GT-SUITE and Simcenter STAR-CCM+ using CFDInterface objects.
      - Adding CFD Connections to the Model Map
        In GT-SUITE, you define the characteristics of the 1D/3D interfaces using CFD Connection objects. CFD Connections specify the exchanged data, the Simcenter STAR-CCM+ volume-averaging zone length, and how to determine the cross-section of the coupled Simcenter STAR-CCM+ boundary.
      - Adding a CFD Component to the Model Map
        In the model map, you link all the CFD Connections to a CFDComponent object. A CFDComponent defines several global settings, such as the number of pre-cycles to run before coupling with Simcenter STAR-CCM+, and species mapping.
      - Defining Species Mapping
        Define species mapping, so that GT-SUITE can map Simcenter STAR-CCM+ gas components to its own species.
      - Modifying the Run Setup
        Modify the run setup to allow the GT-SUITE simulation to run 20 pre-cycles, and then 3 coupled cycles.
    - Setting Up the Simcenter STAR-CCM+ Simulation
      Prepare the intake manifold simulation in Simcenter STAR-CCM+ and modify it for co-simulation with GT-SUITE.
    - Coupling Simcenter STAR-CCM+ to GT-SUITE
      Instruct Simcenter STAR-CCM+ to launch GT-SUITE in server mode and connect to it. Use the average zone flag field function to visualize the areas where the flow is approximately one dimensional.
    - Running the Co-Simulation
      Run the co-simulation and monitor the iterative progress output.
    - Visualizing the Results
      Visualize the flow velocity field and the mass flow throughout the manifold.
    - Summary
  - Co-Simulation API: Spindle Valve
    This tutorial demonstrates how to use the Simcenter STAR-CCM+ Co-Simulation API (Application Programming Interface), in order to couple a partner program to a Simcenter STAR-CCM+ simulation. The partner simulation models the behavior of a spindle ball valve in response to a multiphase flow.
  - CGNS File Import: Stress Analysis with Imported Fluid Loads
    Simcenter STAR-CCM+ allows you to import external mesh and solution data in the form of a CGNS file. You can apply the solution data stored in the CGNS file to regions or boundaries within Simcenter STAR-CCM+.
  - Rotor Blade Aeroelasticity: Modeling Elastic Blade Deformation
    Simcenter STAR-CCM+ allows you to model the aeroelastic performance of elastic rotor blades using displacement and twist data from external files, which can be obtained in multi-body dynamics software such as RCAS, CAMRAD-II, DYMORE, and FLIGHTLAB.
- 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 Species Mapping

Define species mapping, so that GT-SUITE can map Simcenter STAR-CCM+ gas components to its own species.

The advantage to using species mapping is that you do not have to represent every GT-SUITE species in the Simcenter STAR-CCM+ simulation, which reduces the computational cost. Using species mapping also provides greater flexibility for you to choose which individual species are fully tracked in Simcenter STAR-CCM+.

In this GT-SUITE model, there are four species that define the fresh air-fuel mixture (intake charge) entering the cylinder. In addition to these species, there are 13 products of combustion. Therefore, a total of 17 species are present in the GT-SUITE simulation. The intake charge species are always individually represented in Simcenter STAR-CCM+. However, it is not necessary to track all burned species in Simcenter STAR-CCM+, as some are only present in trace amounts. The lump_N2 scalar represents these negligible species in Simcenter STAR-CCM+.

You map the species as illustrated in the diagram below:

In this case, one species is always mapped to one cluster. This behavior is not a limitation of the mapping facility. For example, you could map all harmful gases to a cluster called Pollutants.

To implement the above species mapping:

Right-click the Components > CFDComponent > Manifold > Manifold-1 node and select Edit Properties...
In the Template: CFDComponent dialog, select the Coupled Cycles tab.
Click the ellipsis (...) next to the Species Mapping Object attribute.
In the Value Selector dialog, select CFDSpeciesMap from the Create New Object (Template Library) group box and click OK.
In the Template: CFDSpeciesMap dialog:
1. Set Object Name to CFDSpeciesMap.
2. Set User Defined Species Map to def.
3. Click the ellipsis (...) next to the prod_co2’s CFD Species attribute.
4. In the Value Selector dialog, select CFDSpecies > prod_co2 from the GT-SUITE Library tab and click OK.
5. Use a similar method to set the remaining attributes, as shown below:
Click OK to close the dialogs.
Save the GT-SUITE model.