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.
Incompressible Flow
The tutorials in this set illustrate various Simcenter STAR-CCM+ features for incompressible fluid flows as well as porosity and solution recording
Anisotropic Flow: Cyclone Separator
The flow inside a cyclone separator is characterised by strong swirling motion and three-dimensional boundary layers. Properly accounting for these effects is a challenging problem for CFD simulations. This tutorial presents the initial step in setting up a coarse mesh cyclone flow simulation.
Running the Steady Simulation
Before running the simulation, you define the stopping criteria. You are advised to run this tutorial on a multi-core machine with four cores.

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
  - Steady Flow: Lid-Driven Cavity Flow
    This tutorial demonstrates the performance of Simcenter STAR-CCM+ in solving a traditional square lid-driven cavity flow. The problem geometry consists of a two-dimensional 1 m² cavity. The cavity is covered by an impermeable wall that moves in the x-direction with constant velocity of 1 m/s. A stretched quadrilateral mesh with 6400 cells is used.
  - Steady Flow: Channel Flow with Multiple Meshes
    This tutorial describes a steady airflow simulation over an obstacle that is mounted at the bottom wall of a three-dimensional channel.
  - Steady Flow: Laminar and Turbulent Flow in an S-Bend
    This tutorial demonstrates the flow of an incompressible gas through an s-bend of constant diameter (2 cm), for both laminar and turbulent flow. The first part of the tutorial covers the laminar flow, with a Reynolds number (Re) of 500, and the second part covers the turbulent flow, Re = 50,000. The same pipe geometry is used in both cases.
  - Steady Flow: Backward Facing Step
    Steady flow over a backward facing step is a typical scenario to investigate the behaviour of reattaching flows. Understanding the behaviour of the flow is crucial for many applications such as designing heat exhangers, evalutating aerodynamic performance and improving flow control strategies.
  - Anisotropic Flow: Cyclone Separator
    The flow inside a cyclone separator is characterised by strong swirling motion and three-dimensional boundary layers. Properly accounting for these effects is a challenging problem for CFD simulations. This tutorial presents the initial step in setting up a coarse mesh cyclone flow simulation.
    - Loading an Existing Simulation
      For this tutorial, you use an existing simulation file from the 3D-CAD: Cyclone Separator tutorial. This file contains the geometry for the cyclone.
    - Creating the Fluid Region
      To use 3D-CAD geometry in a simulation, you first convert the model to geometry parts, and then assign these parts to regions. After creating the regions, you define boundary types on flow boundaries.
    - Generating the Volume Mesh
      After assigning parts to regions, you can define the mesh settings for the simulation to generate a polyhedral volume mesh. For this simulation, the polyhedral mesher is used in conjunction with the advancing layer mesher to build a mesh suitable for predicting the swirling flow inside the cyclone.
    - Selecting Physics Models
      Physics models define the physical variables and phenomena in the simulation. In this tutorial, the K-Omega turbulence model is used to limit the simulation run time.
    - Setting Boundary Conditions
      For this simulation, a uniform inlet velocity profile with specified turbulence intensity is sufficient.
    - Preparing a Scalar Scene
      Use a scalar scene to visualize the velocity on a section through the cyclone chamber.
    - Running the Steady Simulation
      Before running the simulation, you define the stopping criteria. You are advised to run this tutorial on a multi-core machine with four cores.
    - Running Unsteady with Curvature Correction
      The accuracy of the simulation is improved by activating the curvature correction term of the k-omega turbulence model. However, this improved accuracy means that an unsteady solution must be adopted in order to achieve adequate convergence.
    - Creating a Streamlines Scene
      Create a scene to display the streamlines inside the cyclone separator.
  - Porous Resistance: Isotropic Media
    This tutorial models flow through a catalyst geometry.
  - Porous Resistance: Orthotropic Media
    This tutorial solves the same problem as the Porous Resistance: Isotropic Media, except that the fluid in the porous region cannot flow in any direction other than the bulk flow (y-) direction.
  - Solution Recording and Playback: Vortex Shedding
    This tutorial demonstrates how to use the solution recording and playback module for capturing the results of transient phenomena.
  - Generalized Newtonian Fluid: Flow in a Static Mixer
    This tutorial demonstrates the process of setting up and analyzing the flow of a viscous fluid through a static mixer.
  - Viscoelastic Flow: Basic Extrusion
    This tutorial illustrates the extrusion of molten rubber through a die.
  - Material Calibration: Curve Fitting Non-Newtonian Model Parameters
    This tutorial illustrates the workflow for calibrating rheological model parameters from experimental rheological data through curve-fitting.
  - Polymer Melt Extrusion: Film Casting
    In industry, film casting is a common process for producing thin polymeric films. Cast films are used for applications such as food and textile packaging, stretch wraps, or plastic bags. Simcenter STAR-CCM+ provides a combination of the Film Casting model and the Free Surface model that allows you to simulate that process and to investigate the impact of various parameters on the resulting film.
- 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:
- 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.

Running the Steady Simulation

Before running the simulation, you define the stopping criteria. You are advised to run this tutorial on a multi-core machine with four cores.

To run on multiple cores:
1. Save the simulation then close Simcenter STAR-CCM+.
2. Launch Simcenter STAR-CCM+ again and select File > Load.
3. In the Load a File dialog, activate Parallel on Local Host and set Compute Processes to 4.
4. Click Browse and select cycloneFlow.sim saved previously.
5. Click OK.

Within the simulation tree, edit the Stopping Criteria node and set the following property


Node	Property	Setting
Maximum Steps	Enabled	Activated
	Maximum Steps	1500

1500 iterations are sufficient to reach a steady state solution from which to commence the unsteady run afterwards.

To run the simulation:

Click (Run) in the Solution toolbar.

The solution progress is displayed in the Output window. The Residuals display is created automatically in the Graphics window and shows the progress of the solvers.

During the run, you can stop the process by clicking (Stop) on the toolbar. If you do stop the simulation, you can click (Run) to resume it.

If left alone, the simulation continues until 1500 iterations are complete. On completion, the scalar scene appears as follows:

To save a result for comparison with the final unsteady solution:

Right-click the Solution Histories node and select New.
In the Save dialog, set File Name to cycloneFlowSolution and click Save.

Edit the Solution Histories > cycloneFlowSolution node and set the following properties:


Property	Value
Functions	Total Pressure > Lab Reference Frame
Regions	None (remove the default items)
Inputs	Derived Parts > Plane Section

Right-click the cycloneFlowSolution node and select Create Snapshot.
In the Create Snapshot dialog, enter Steady and click OK.

Save the simulation.