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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.
Battery
The tutorials in this set illustrate various Simcenter STAR-CCM+ features for setting up a battery model:
Simcenter STAR-CCM+ Batteries: Cell Thermal Analysis
This tutorial introduces the battery modeling capabilities of Simcenter STAR-CCM+. It simulates the battery heat generation that occurs during the first 90 seconds of a discharge cycle.
Running a Simcenter STAR-CCM+ Simulation with a Single Cell
Import the files from Simcenter Battery Design Studio into Simcenter STAR-CCM+ and run a simple single cell simulation.
Setting Solver Parameters and Stopping Criteria
Set the appropriate solver parameters and stopping criteria for the simulation.

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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.
- 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:
  - Electro-Thermal Modeling: Battery Pack Cooling
    The design of battery pack thermal management is critical in order to ensure that the battery pack operates in a safe temperature range. The objective is to prevent any part of the pack from overheating or from operating in too low temperature conditions. If the battery pack is not sized accordingly, the temperature can accelerate its aging, create an imbalance of the modules and cells in the pack, or lead to hazardous situations.
  - Thermal Runaway: Battery Pack Heat Release and Venting
    Thermal runaway in batteries occurs when a battery cell overheats due to thermal or mechanical failure, short-circuiting, or overcharging/over-discharging. At elevated temperatures, the battery cell materials can start to decompose in exothermic reactions, leading to self-heating behavior. When the self-heating of the battery cell exceeds the rate at which heat can be dissipated to the surroundings, the cell temperature rises exponentially, the battery structure can rupture, and all remaining thermal and electrochemical energy is released to the surroundings.
  - Simcenter STAR-CCM+ Batteries: Cell Thermal Analysis
    This tutorial introduces the battery modeling capabilities of Simcenter STAR-CCM+. It simulates the battery heat generation that occurs during the first 90 seconds of a discharge cycle.
    - Prerequisites
      The instructions in the Simcenter STAR-CCM+ Batteries: Cell Thermal Analysis tutorial assume that you are already familiar with certain techniques in Simcenter STAR-CCM+.
    - Preparing Files in Simcenter Battery Design Studio
      Prepare battery data in Simcenter Battery Design Studio and import it into Simcenter STAR-CCM+.
    - Running a Simcenter STAR-CCM+ Simulation with a Single Cell
      Import the files from Simcenter Battery Design Studio into Simcenter STAR-CCM+ and run a simple single cell simulation.
      - Selecting the Physics Models
        Physics models define the primary variables of the simulation and what mathematical formulation is used to generate the solution.
      - Importing the Battery Cell
        The battery file created in Simcenter Battery Design Studio is imported into Simcenter STAR-CCM+ as a battery cell.
      - Generating a Battery Module
        Generate the battery module in Simcenter STAR-CCM+.
      - Setting Up the Battery Mesh
        Set the battery mesh base size and generate the mesh continuum.
      - Loading the Program Data
        Load the discharge procedure that you created in Simcenter Battery Design Studio into Simcenter STAR-CCM+.
      - Creating a Circuit
        Create a circuit to simulate the response of the battery.
      - Preparing a Scalar Scene
        Create a scalar scene to display the results of the simulation.
      - Setting Up a Voltage Monitor
        Define a voltage monitor to show the voltage of the battery over the course of the simulation.
      - Setting Solver Parameters and Stopping Criteria
        Set the appropriate solver parameters and stopping criteria for the simulation.
      - Running the Simulation
        Preparation of the simulation is now complete, and the simulation can be run.
      - Visualizing the Results
        View the results of the simulation.
    - Running a Simcenter STAR-CCM+ Simulation with 3 Cells in Series
      Use the battery cell from the previous simulation to model a battery with three cells in series.
    - Summary
      This section outlines the Simcenter STAR-CCM+ features that are introduced by the Simcenter STAR-CCM+ Batteries: Cell Thermal Analysis tutorial.
  - Cylindrical Cells: Cell Thermal Analysis
    This tutorial demonstrates how to model a battery module in Simcenter STAR-CCM+ using cylindrical cells. It simulates three cylindrical cells in series in a staggered configuration with an external casing.
  - Li-Ion Battery Cell Model: Cell Electrochemistry Analysis
    In this tutorial, you model a Li-Ion battery cell at the microscale level. The simulation introduces the method for the prediction of the three-dimensional microstructure of porous battery electrodes.
- 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 Solver Parameters and Stopping Criteria

Set the appropriate solver parameters and stopping criteria for the simulation.

To ensure adequate convergence for the energy equation, you increase the number of inner iterations per time-step.

To set the solver parameters and stopping criteria:

Edit the Solvers node and set the following properties:


Node	Property	Setting
Implicit Unsteady	Time-Step	1.0 s
Segregated Energy	Solid Under-Relaxation Factor	0.999

Edit the Stopping Criteria node and set the following properties:


Node	Property	Setting
Maximum Physical Time	Enabled	Activated
Maximum Physical Time	Maximum Physical Time	90 s
Maximum Inner Iterations	Maximum Inner Iterations	15

Save the simulation.