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November 15th & 22nd 2017
06:00 PST / 09:00 EST / 14:00 GMT / 15:00 CET

  • What are the challenges faced in 3-D turbulent flow simulations?

  • What are practical approaches to simulate turbulent flows?

  • There are many turbulence models. What are the bases for these models?

  • What are the advantages and limitations of each model?

  • How do I select a turbulence model for my applications?

Get the answers to these questions and more with this industry-leading, code-independent e-learning course.


This 2-session, live online course will cover a range of topics including:

  • Understanding turbulence, energy cascade & vortex stretching
  • Turbulence scales, time averaging and closure problems
  • Boussinesq hypothesis
  • Various RANS-based models
  • Wall treatment
  • y+, Detached Eddy and hybrid models 

You can either attend the live sessions or take the course on-demand at your leisure. 

NAFEMS e-learning gives you the best of both worlds, giving you real, practical knowledge that you can use day-to-day to improve your analyses.


What will you learn?

  • Understanding turbulence and various turbulence scales
  • Various approaches in simulating turbulent flows
  • Wall treatment and y+
  • Advantages and limitations of various approaches
  • Procedure to select an appropriate model

What questions will this course answer?

  • Why so many different turbulence models and what are the advantages and limitations of each?
  • What is y+ and how does that affect my turbulent flow simulations?
  • There are so many turbulence models, how do I go about selecting one for my application?

Who should attend?

  • Practicing engineers who wish to learn more about how to choose and apply effective turbulence modelling in their CFD analysis.

Turbulence models based on Reynolds-Averaged Navier Stokes (RANS) equations are the most common and practical approaches for turbulence simulation. Unfortunately, there is no single universally accepted turbulence model that works for all flows and all regimes. Therefore, users have to use engineering judgment to choose from a number of different alternatives since the accuracy and effectiveness of each model varies depending on the application. This course provides the attendees with basic understanding of complexities in turbulence simulation and introduces them to most commonly used turbulence models with their advantages and limitations.

Strong effort is made for the course to be CFD software neutral. However, examples from some of the more well-known and popular software will be used throughout the sessions.


The course is completely code independent.

  • A full set of notes in PDF format will be available for download. Each session is presented live and is available for review via a streamable recording.

  • Personal passwords are provided to allow you to access e-learning backup material via our special bulletin board. Reading lists, homework submissions, supplementary data are all stored as files on the bulletin board.

  • Interaction via the bulletin board is strongly encouraged to obtain the most from the e-learning class. Typically the board runs for 4 weeks after the last live class sessions, giving you plenty of time to catch up with homework, review and ask questions.

Note: homework is purely voluntary!



Course Process and Details 

Students will join the audio portion of the meetings by utilizing the VoIP (i.e. headset connected to the computer via headphone and microphone jacks) or by calling into a standard toll line. If you are interested in additional pricing to call-in using a toll-free line, please send an email to: e-learning @ nafems.org .

Special Note(s):

Telephony surcharges may apply for attendees who are located outside of North America, South America and Europe. These surcharges are related to individuals who join the audio portion of the web-meeting by calling in to the provided toll/toll-free teleconferencing lines. We have made a VoIP option available so anyone attending the class can join using a headset (headphones) connected to the computer. There is no associated surcharge to utilize the VoIP option, and is actually encouraged to ensure NAFEMS is able to keep the e-Learning course fees as low as possible. Please send an email to the e-Learning coordinator (e-learning @ nafems.org ) to determine if these surcharges may apply to your specific case. 

Just as with a live face-to-face training course, each registration only covers one person. If you plan to register a large group (10+), please send an email to e-learning @ nafems.org in advance for group discounts.

For NAFEMS cancellation and transfer policy, click here

Purchasing Details

Members Price
£175 | $230 | €195


Non-Members Price
£262 | $345 | €293
Order Ref: el-215
Event Type: Course
Location: e-Learning Online
Date: November 15, 2017



Course Tutor:


Read Kamran's bio on the NAFEMS Tutors Page




Not Available to Attend this Time? 

Would you like us to notify you when the next course on Practical CFD is open for enrollment? If so, add yourself to the eLearning Waitlist!



Session 1:
Wednesday, November 15th 

Session 2:
Wednesday, November 22nd

Once you register for the course using the "order" button (look up), you will receive your invoice, and the day before the course starts, an email invite to the class discussion board. Please note that no 'physical' goods will be mailed to you.


Please click here to view the FAQ section, or if you need to contact NAFEMS about this course.




Engineering Board PDH Credits

*It is your individual responsibility to check whether these e-learning courses satisfy the criteria set-out by your state engineering board. NAFEMS does not guarantee that your individual board will accept these courses for PDH credit, but we believe that the courses comply with regulations in most US states (except Florida, North Carolina, Louisiana, and New York, where providors are required to be pre-approved).