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Getting Started
After installing Simcenter STAR-CCM+, you can access documentation and tutorials on the Support Center or within the installation.
Simcenter STAR-CCM+ Licensing
Simcenter STAR-CCM+ is licensed software that operates according to license feature keys that it checks out from the license management system. Apart from the default mode, you can launch Simcenter STAR-CCM+ in Read-only Mode, Lite, Power Session, and Power on Demand.
Power on Demand Licensing
The Power on Demand (PoD) session allows you to use a Simcenter STAR-CCM+ Power Session from a Siemens Digital Industries Software public license server rather than a license server on your own network.
Purchasing Real Time Credit
Real Time is defined as the difference between the time at which a Simcenter STAR-CCM+ Power Session ends and the time when it starts. It accounts for the summation of I/O times, CPU times, multiple concurrent sessions, communication channel delays, and all other types of wait.

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Getting Started
After installing Simcenter STAR-CCM+, you can access documentation and tutorials on the Support Center or within the installation.
- Context-Sensitive Search
  From within the Simcenter STAR-CCM+ interface, you can launch a combined search of the resources available in the Support Center and the online help. The resources include knowledge base articles and videos and submissions on Simcenter STAR-CCM+ Ideas.
- Accessing Help
  The Simcenter STAR-CCM+ documentation is provided in two formats, HTML and PDF. The PDF file can be found within the doc directory of your Simcenter STAR-CCM+ installation.
- Digital Product Experience
  To enable users to benefit from our personalized Digital Product Experience the collection of personalized data is necessary.
- Product Excellence Program
  Siemens Digital Industries Software collects information about the use of our offerings by its users. This information helps us to improve our product features and functionality to better meet our customers’ needs.
- General Simulation Process
  Simcenter STAR-CCM+ provides you with a simulation tool that allows you to test solution designs under virtual conditions. Although Simcenter STAR-CCM+ supports a wide range of modeling scenarios, there is a general workflow that you can follow in most situations.
- Simcenter STAR-CCM+ Licensing
  Simcenter STAR-CCM+ is licensed software that operates according to license feature keys that it checks out from the license management system. Apart from the default mode, you can launch Simcenter STAR-CCM+ in Read-only Mode, Lite, Power Session, and Power on Demand.
  - Power on Demand Licensing
    The Power on Demand (PoD) session allows you to use a Simcenter STAR-CCM+ Power Session from a Siemens Digital Industries Software public license server rather than a license server on your own network.
    - Purchasing Real Time Credit
      Real Time is defined as the difference between the time at which a Simcenter STAR-CCM+ Power Session ends and the time when it starts. It accounts for the summation of I/O times, CPU times, multiple concurrent sessions, communication channel delays, and all other types of wait.
    - Viewing Your Power on Demand Account Online
      The details of your PoD account can be checked at any time online.
    - Managing License Keys
      You can manage existing keys or generate new ones for each Simcenter STAR-CCM+ session you wish to run.
    - Which Ports Are Used in a Power on Demand Session?
      Ports 1999 and 2099 must be open to allow communication traffic between your machine and the PoD license server.
    - Controlling the Default Behavior of Power on Demand Licensing
      You can set up and control the default behavior of PoD licensing using environment variables.
    - Launching STAR-CCM+ with the Power on Demand Option
      Launch STAR-CCM+ with the Power on Demand option.
    - Power on Demand Deposits
      When you start a PoD session, a deposit of 24 hours is automatically taken out of your account.
    - Power on Demand Server Errors Reference Page
      A list of PoD server error messages—with an explanation of what they mean—is provided below. These error messages are displayed in the Output window of Simcenter STAR-CCM+ when the error occurs.
  - Power Tokens
    You can use power tokens (DOEtoken feature licenses) with certain features of Simcenter STAR-CCM+.
  - STAR-CCM+ Add-on Modules
    Simcenter STAR-CCM+ automatically checks out any license that it needs for add-on modules.
  - Actions in STAR-CCM+ That Check Out Parallel Licenses
    Any mesh action or solver operation that is performed on a parallel server causes Simcenter STAR-CCM+ to check out parallel licenses.
- Getting Support
  When you need assistance with using Simcenter STAR-CCM+, you can first check for resources on the Support Center.
- Suggesting Enhancements to Simcenter STAR-CCM+
  Siemens Digital Industries Software provides an area on the Simcenter STAR-CCM+ community forum where you can submit ideas for enhancing the software. The forum also allows you to comment on ideas from other users.
- Simcenter STAR-CCM+ Default Options
  The Options dialog is used to control a number of global options in Simcenter STAR-CCM+. The choices you make are stored in a properties folder that is unique for each version of Simcenter STAR-CCM+ you run on your machine.
- Controlling Graphics Performance
  Simcenter STAR-CCM+ offers various options for using graphics software and hardware for your simulation.
- Rendering Graphics Locally and Remotely
  By default, when you launch a Simcenter STAR-CCM+ server from a batch or interactive client on the same local machine, Simcenter STAR-CCM+ renders graphics in the client using the local graphics resources. Alternative rendering options are provided that provide better performance in different circumstances, including standalone rendering processes.
- Troubleshooting Graphics
  This section provides techniques for dealing with the following visualization problems:
- Product Security
  Simcenter STAR-CCM+ is an analysis code that is designed to work within a secure network with trusted users.
- Credits

Purchasing Real Time Credit

Real Time is defined as the difference between the time at which a Simcenter STAR-CCM+ Power Session ends and the time when it starts. It accounts for the summation of I/O times, CPU times, multiple concurrent sessions, communication channel delays, and all other types of wait.

An example of how Real Time works is outlined below.

You have 500 hours of time credit in your account. You could run:
- 1 Power Session job for 500 hours
- 5 Power Sessions jobs for 100 hours each
- Or 500 Power Sessions jobs for 1 hour each

Important: when you start a Simcenter STAR-CCM+ server using PoD licensing, two things happen:

Simcenter STAR-CCM+ reserves a number of hours from the available credit. This action is known as a deposit.
Real Time credit counting starts.