CFD Simulation of Rotating Machinery
Overview
Simulation tools are heavily used to design and analyze many aspects of Turbomachinery design and performance. Due to use of simulation tools we can obtain better understanding of the operations of such machines. CFD forms a major part of simulation process used for turbomachinery design. Due to use of CFD we can improve performance and reduce design cycle time and cost. This being said, using CFD for turbomachinery applications requires a highly specialized set of skills. It is not as easy as using CFD tool for simpler flow analysis. There are complex models and special implementation process. If you want to gain expertise in using CFD for turbomachinery you should be familiar in use of all such specialized models. In addition you should also have the skills to follow standard practices used when applying CFD for turbomachinery. One also needs better understanding of CFD to get complete insight into CFD results and apply them for turbomachinery design. Through this course you will learn all these complex procedures and models which will help you to apply CFD as a design tool for design of turbomachinery.
Recommended background
A technical education and background is preferred for this course. An engineering degree will definitely be beneficial although it is not mandatory. A participant must be familiar with process of conducting CFD analysis using ANSYS FLUENT and ICEM CFD. Please note that you will not require any expertise in ANSYS FLUENT and ICEM CFD, but only beginner’s level knowledge is required.
If you do not have required experience in use of ANSYS FLUENT and ANSYS ICEM CFD we recommend you to take our course ‘CFD Modeling Using ANSYS ICEM CFD and ANSYS FLUENT’ before this course. For more details please visit the course webpage.
Your Learning
By the end of this course you will gain expertise in conducting turbomachinery flow modeling using ANSYS FLUENT. Apart from teaching software skills our objective in this course is also to make you understand how CFD is used as a design tool for simulation based studies involving rotating machines.
Below will be your learning in this course:
- You will have better understanding of fundamentals related to application of CFD for turbomachinery design.
- You will clearly understand how CFD equations are modified for simulation of rotating machinery flows.
- You will learn how to conduct CFD simulation of fluid flows involving rotating machines.
- You will learn how to conceptualize a turbomachinery flow problem and apply different rotating flow models to simulate it.
- You will realize the benefit of using CFD based models for design of turbomachinery systems.
The course mainly contains video lessons based on fundamental theory and software skills. Apart from video lessons you can also request for on demand demos from which you will get better understanding of software application. The course is delivered based on a concept of ‘learning lessons accompanied with live mentoring sessions’. Initial section of the course contain fundamental lessons, middle part is based on techniques used to model turbomachinery flows and last part will teach you all software skills to model such flows using ANSYS FLUENT. Based on the content of the video lessons and mentoring time you can expect to complete the course in 2 to 3 weeks.
Course Format
Course format
The course mainly contains video lessons. The duration of each lesson varies from few minutes for some simpler lessons to 40 minutes for some complex lessons. For short software demos the duration is very small and for detailed theory lessons or software related lessons the duration is large. The course also contains other content like tests and assignments. The course is delivered based on a concept of ‘online learning using video lessons accompanied with live mentoring’.
Below are features or elements of our training process:
Video lessons : The course consists of video lessons on various topics of theory and software knowledge. You can gain knowledge and software skills by watching these video lessons any number of times.
Software Demos : The course also consists of software demos. These short videos explain some tools or operations of software so that you can watch and practice on your own.
Software Assignments : After certain software learning is complete you will be provided with assignments. These assignments will be industrial level CFD analysis problems which you will have to do on your own using skills acquired in the course. You will be provided with all the necessary input files for the assignments. Once you complete these assignments you will have to submit them to us for evaluation.
Mentoring : Along with our course content we also provide mentoring for the participants in this course. The mentoring is provided to resolve any of your doubts or question related to the course learning. There are two types of mentoring :
- Unlimited mentoring through email : During the course you may have queries or doubts about the course content. To resolve those queries our mentors will interact with you using email. You can ask your queries through email and our mentors will provide you with specific answers to help resolve your queries.
- Limited hours of live mentoring : In this our mentors will conduct a live mentoring session with you every week for an hour. So total you get 6 hours of live mentoring as part of the course. These live mentoring sessions will be sought of Q & A sessions to resolve any of your doubts related to the course learning. You can directly ask your questions to our mentor.
Please note that mentoring through email and live session is meant to resolve your queries related to learning through the course. This mentoring does not cover any queries which are not related to the course or for any of your other CFD related queries. For such queries we recommend to you our other learning services. Information of such learning services can be found on course page.
Certification : At the end of the course based on your performance and our evaluation you will be granted a certification from LearnCAx for successful completion of the course.
Course Material : At the end of the course LearnCAx will send you course material in the form of course lesson notes for your future reference.
Course Syllabus
The course is divided into 10 lessons and additional content like software demos and concept videos. Each lesson has a specific objective and is designed to satisfy the needs of subsequent lesson. It is recommended that you do not move to the next lesson until all the concepts in the lesson are well understood.
Video Lessons :
Lesson 1: Study of Fluid flows
Have you ever observed common fluid flow phenomenon around you? Have you ever wondered about the physics behind such fluid flows? Whether they can be described by using mathematics and who discovered such mathematical equations of fluid flows? Fluid flow is present everywhere. The aim of this lesson is to show you how every phenomenon around us involves fluid flow. The lesson will present a discussion on the three fundamental methods used to study fluid flow. In the end you will also understand where simulation finds its place as tool to study fluid flow and allied phenomenon.
Lesson 2: Introduction to CFD
Assuming that most of the participants require a revision of the topic of CFD, this lesson is designed as an introduction to CFD. CFD is a distinct field of simulation sciences which is based on physics and mathematical equations. Hence our first lesson is designed in order to provide you a complete understanding of overall concept of CFD. This lesson provides the basics of Computational Fluid Dynamics (CFD) without going into details of the mathematics or numerical algorithms. By the end of this lesson you will have a clear understanding of CFD and terms like Design, Modeling, Simulation, and CFD. You will also realize that CFD is very interesting and highly useful design tool.
Lesson 3: CFD Equations and Numerical Solution
We believe that every participant of our course, who uses CFD software, should also be aware of what is happening behind the software. Behind the software there are physics equations solved using numerical methods. This lesson is design in a way that you will get a basic understanding of the generalized CFD equations and the numerical methods that are used to solve these equations. The objective of this lesson is to refresh the knowledge of mathematical equations which govern fluid flow and heat transfer and also to provide an overview of the additional equations that are solved in CFD. By the end of this lesson you will be familiar with Navier Stokes equations and the difference between exact and numerical solution of differential Equations.
Lesson 4: Fundamentals of Finite Volume method
One of the most commonly used algorithms to convert the partial differential equation to algebraic equations is the Finite Volume Method. It is also the method used for CFD calculations in FLUENT software. Hence it is critical to understand the finite volume method. In this lesson we will see how the Navier Stokes equations are converted into mathematical formulations using the finite volume methods. This lesson would explain how to convert the integral form of conservation equations into linear algebraic equations, using Finite Volume Method. By the end of this lesson you will have a clear understanding of the Finite Volume Method.
Lesson 5: CFD analysis - Software perspective
In the initial lesson of the course, concepts of CFD are explained from theory perspective. But when you use software for CFD analysis you need to change your perspective towards usage. Along with governing equations we also have to focus on CFD models in software and their selection process. This lesson will introduce you to the concept of ‘CFD Analysis from software perspective’. The lesson will first explain CFD software architecture and software capabilities. Basic steps of any general software based CFD analysis process will be taught.
Lesson 6: User Interface of ANSYS FLUENT
The objective of this course is to review your knowledge of Graphic User Interface (GUI) of the software ANSYS FLUENT. Before using any software you should be well familiar with the user interface, various mouse options and clicks as well as panel locations and buttons. This lesson will provide you with all the knowledge required to handle FLUENT software user interface. By the end of this lesson you will be able to carry out basic tasks while using ANSYS FLUENT and also navigation through the User Interface of ANSYS FLUENT.
Lesson 7: Introduction to CFD of Rotating Machinery flows
The aim of this lesson is to provide you an overview of turbomachinery applications and an idea of how CFD is used for simulation of turbomachinery flows. An overview of components like compressors, turbines, pumps, fans and blowers will provided to you. By the end of this lesson you will be familiar with application of turbomachinery system and scope of using CFD for design of such systems.
Lesson 8: Single-Rotating Reference Frame (SRF) Model
Many rotating machinery flow problems can be analyzed using special concept of rotating reference frame. How this concept works? What are the equations behind this concept? How to know whether a rotating machinery can be modeled using this concept? How to select such a model and implement it for a specific problem? All such questions will be answered in this lesson. By the end of this lesson you will be able to conduct a rotating machinery flow simulation using Single Reference Frame model (SRF) In ANSYS FLUENT.
Lesson 9: Multiple Moving Reference Frame Model
An advanced form of the rotating reference frame concept gives rise to multiple moving reference frame model. If you take a case of mixing tank with impeller and baffles you can carry out simulation of such flows without worrying about including the actual rotation of blades. Through this lesson you will learn how to conduct such simulations using the MRF model in ANSYS FLUENT. By the end of this lesson you will have a clear understanding of the MRF model theory, selection criteria, as well as implementation.
Lesson 10: Sliding and Moving Mesh models
If you decide to include actual movement of rotating components in your CFD simulation then you need to learn the Sliding mesh or moving mesh approach. This lesson is dedicated to sliding mesh models. You will learn advanced concepts like Dynamic mesh theory, Sliding mesh theory, mesh constraints and mesh setup, smoothing methods, dynamic layer methods and remeshing methods. By the end of this lesson you will become familiar with modeling techniques used when you want to see actual rotation of components in a CFD simulation.
Course Assignments :
Assignment 1: Flow in a Stirred tank without baffles
The objective of this assignment is to provide you software practice opportunity to use one of the turbomachinery models to carry out simulation of flow inside a rotating tank. Our mentors will be available to help resolve your queries related to assignment. By the end of this assignment you will become comfortable in implementing one of the turbomachinery flow models in ANSYS FLUENT. Our mentors will be available to help resolve your queries related to assignment.
Assignment 2: Flow in a centrifugal blower
The aim of this course assignment is to provide you practice in applying rotating flow modeling techniques to carry out simulation of flow around a centrifugal blower. After completing this assignment you will be comfortable in selecting and implementation of one of the turbomachinery flow model that you learned in the course. Our mentors will be available to help resolve your queries related to assignment.
1. Do I need to know ANSYS FLUENT software before I take this course?
Yes. You should be familiar with usage of ANSYS FLUENT software for basic flow and heat transfer modeling before you take this course.
2. Do I need to know meshing software before I take this course?
Yes. You should be aware of mesh generation process using either ICEM CFD or any other mesh generation software. If you are not aware of mesh generation process you will not be able to implement some of the skills you learn through this course.
3. Why is it mandatory to know ANSYS FLUENT software before I take this course?
The course is designed assuming that the participant is familiar with basic usage of ANSYS FLUENT software. Hence if you are not familiar with ANSYS FLUENT software you may not understand the content of the course.
4. Will the course mentor teach me ANSYS FLUENT during the course if I am not comfortable with the software
No. The course mentor will only resolve your queries related to turbomachinery flow modeling and not basic software skills of ANSYS FLUENT.
5. How do I know this course is appropriate for me?
If you are interested in CFD and already know CFD software ANSYS FLUENT then taking this course will benefit you as you will learn advanced modeling techniques.
6. Are there any specific industrial fields to which this course can be related?
Yes. Rotating flow modeling finds wide range of applications in the field of mechanical industry particular turbo machines. It also finds application in chemical and process industry. Hence it can be said that this course is related to these industrial fields.
7. I am not familiar with fundamentals of turbo machinery flows. Can I still take this course?
Yes. The starting portion of the course will review fundamental knowledge of turbo machinery flows. Hence even if you are not aware of fundamentals of turbo machinery flows you can still benefit from this course. Additionally our mentors will recommend you additional readings for enhancing your knowledge of multiphase flows.
8. Do I need to have any specific degree or background for taking this course?
It is not mandatory to have any specific degree for taking this course. But having a background of mechanical, chemical, petroleum or process industry or field will be beneficial.
9. When can I start the course and how much time is needed to complete the course?
The course is available all the time. To start this course you need to buy the course. After this our executive will contact you and guide you through further process in order to activate your course. The course usually gets activated within 1 to 2 working days once all processing is completed. Considering difficulty level, understanding capacity and necessary extra reading and assignments to be done; on an average, we expect this course to be completed in 2 to 3 weeks.
10. Why is it important to learn CFD skills? Why is CFD becoming popular in industry?
CFD has become an important tool in design process in product and process industry across industry domain. The importance of simulation is increasing rapidly as it results in better product in shorter design cycle. Also the end cost of product is reduced because of use of simulations and CFD forms an important part of simulation based product development. Hence the use of CFD in industry and research has increased and will keep on growing. Due to same reason, it becomes beneficial to acquire CFD skills.
11. How difficult is this course?
This course is intensive in terms of knowledge, training, and practice involved. It is considered to be an advanced level course. You need to be familiar with usage of FLUENT software to understand the content of this course. If you have an interest in rotating machinery design and willingness to study and practice then you will not find this course difficult.
12. I have few queries related to work I am doing. Can I contact you?
Yes certainly. Feel free to ask those questions using the link “Ask a Question” given on course page.
13. I am a student in undergraduate degree. Is it too soon to learn CFD? Will I understand it?
No. It is not too soon. In fact this is the right time to get involved in CFD related learning. The earlier you gain knowledge of CFD, the better it is for you. You can conduct research in CFD in your academic life as well as this will open up many career opportunities related to CFD.
14. What are ANSYS FLUENT and ANSYS ICEM CFD?
ANSYS, Inc. is an engineering simulation software developer. ANSYS FLUENT software is CFD software from ANSYS which has broad physical modeling capabilities needed to model flow, turbulence, heat transfer, and reactions for industrial applications. Thousands of companies throughout the world benefit from the use of ANSYS FLUENT software as an integral part of the design and optimization phases of their product development. ICE M CFD is mesh generation software from ANSYS.
15. Why is this course based on ANSYS FLUENT?
ANSYS FLUENT are among the most commonly used CFD tools in industry and academia. Due to this it is beneficial to learn these products as in most of the industries and research facilities you will be exposed to projects related to these software tools. Also they are highly robust, validated, and efficient tools for conducting CFD analysis.
16. Does your course provide access to software for practice?
No. Participants have to arrange for their own access to software for practice.
17. Do you provide certification?
Yes. After successful completion of the course we provide certification to participants.
18. Is it possible to learn software using online learning?
Yes. Online learning has already been established as one of leading methods for cost effective and flexible software learning.
19. I am weak in fundamentals of fluid dynamics or forgotten them. Can I take this course?
Our course content will help you to review your fundamental knowledge about fluid dynamics. Also our course mentors will guide you on methods to strengthen your knowledge of fluid dynamics. So this is not a problem while you take the course.