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Simulation of hydrodynamic journal bearings with Tribo-X inside Ansys

CADFEM
Training
Structural mechanics
Structural mechanics
Fluid mechanics

Learn how to design and optimize state-of-the-art hydrodynamic journal bearings so that bearing damage can be avoided.

With Tribo-X inside Ansys, CADFEM and Tribo Technologies have developed a solution that enables convenient and efficient calculation of hydrodynamic radial bearings in Ansys Workbench. In this training course, you will learn which properties significantly determine the operating ...

more details of product

Overview
Level:
Advanced
Target group:
Users, Instructors
Prerequisites:
Basic knowledge of Ansys Mechanical
Benefits:
  • Become familiar with influencing variables on the operating behavior of bearings
  • Workflow for the optimization of bearings with and without mixed friction
  • Exercises on the simulation of bearings with Tribo-X inside Ansys
  • “Tribo-X inside Ansys” license free of charge for 3 months
Applications:
Dynamics
Software used:
Ansys Mechanical, Tribo-X inside Ansys
Level
Advanced
Target group
Users, Instructors
Prerequisites
Basic knowledge of Ansys Mechanical
Benefits
  • Become familiar with influencing variables on the operating behavior of bearings
  • Workflow for the optimization of bearings with and without mixed friction
  • Exercises on the simulation of bearings with Tribo-X inside Ansys
  • “Tribo-X inside Ansys” license free of charge for 3 months
Applications
Dynamics
Software used
Ansys Mechanical, Tribo-X inside Ansys
agenda day 1
  • Theoretic backgrounds on hydrodynamic (HD) bearings
  • Tribo-X inside Ansys
  • Elasto-hydrodynamic (EHD) bearing analysis – influence of elastic deformations
  • Mixed friction stressed bearings
agenda day 2
  • Thermo-elasto-hydrodynamic (TEHD) bearing analysis – influence of thermal effects
  • Calculation of dynamically operated bearings – transient simulations
  • Bearing shape and position deviations
  • Additional functions

Available dates

Not the right offer? No suitable date? Whether eLearning, classroom courses, live online training or customized workshops - together we identify the best option for you.

Our offer in detail

This training is offered as a 2-day, consisting of 8 modules.

Day 1

01 Theoretic backgrounds on hydrodynamic (HD) bearings

  • Tribology of the bearing: friction, lubrication, wear
  • Lubricants and their properties
  • Design according to DIN 31652, VDI 2204 and ISO 7902
  • Numerical calculation method
  • Effect of rough surfaces on the bearing operation (Stribeck curve)

02 Tribo-X inside Ansys

  • Introduction to Tribo-X inside Ansys
  • Preparing CAD geometry and meshing
  • Defining lubricant supply and operating conditions
  • Significance of cavitation and turbulence for bearing operation
  • Options for evaluating the results
  • Exercise: Hydrodynamic analysis of a bearing

03 Elasto-hydrodynamic (EHD) bearing analysis – influence of elastic deformations

  • Influence of elastic deformations on the load-bearing capacity
  • Significance of bearing geometry and the material selection
  • Notes on meshing the bearing environment
  • Exercise: Elasto-hydrodynamic (EHD) bearing analysis – significance of elastic properties

04 Mixed friction stressed bearings

  • What is mixed friction?
  • Significance of liquid friction and solid friction
  • Considering rough surfaces in the bearing analysis
  • Exercise: Determining the Stribeck curve for a bearing

Day 2

05 Thermo-elasto-hydrodynamic (TEHD) bearing analysis – influence of thermal effects

  • Significance of heating for the bearing
  • How is a thermal simulation carried out in Tribo-X inside Ansys?
  • Thermal interaction between the lubrication gap and the bearing environment
  • Influence of mixed friction on the bearing temperature
  • Exercise: TEHD bearing analysis with and without mixed friction

06 Calculation of dynamically operated bearings – transient simulations

  • Particularities of transient bearing calculations
  • Setup of a transient calculation model
  • Periodically and non-periodically stressed bearings
  • Exercise: Analysis of a run-up

07 Bearing shape and position deviations

  • Which shape and position deviations may arise?
  • How are shape and position deviations taken into account in Tribo-X inside Ansys?
  • Influencing the bearing behavior through wear
  • Exercise: Analysis of a system with shaft tilting and a bearing with wear depression

08 Additional functions

  • Dynamic bearing properties and their significance in rotor dynamics
  • Derivation of the stiffness and damping coefficients with Tribo-X inside Ansys
  • Influence of the bearing design on the rotor-dynamic bearing coefficients
  • Parameterization options in

With Tribo-X inside Ansys, CADFEM and Tribo Technologies have developed a solution that enables convenient and efficient calculation of hydrodynamic radial bearings in Ansys Workbench. In this training course, you will learn which properties significantly determine the operating behavior of a radial bearing and what role is played by elastic deformations, deviations in shape and position, as well as thermal effects. In addition, you will gain knowledge on how the mixed friction state of a bearing can be evaluated. Through an operating-point-dependent determination of bearing coefficients, you will be able to better understand the vibration behavior of plain bearing shafts. A parameterization of the bearing model allows you to make a holistic optimization of the shaft-bearing housing system for the respective application.

The training course is aimed at all those interested in the great potential of virtual product development and who would like to design and analyze state-of-the-art hydrodynamic radial bearings. Building upon your knowledge of lubricated bearings and will explore the possibilities of an efficient and damage-free design of bearings.

In this course, you will learn how to use Tribo-X inside Ansys based on practical example exercises. In addition to the software operation, you will gain an insight into which properties significantly influence the operating behavior of the bearing and how you can avoid bearing damage by correctly designing the bearing. The key points:

  • Become familiar with important influencing variables on the operating behavior of bearings
  • Efficient workflow for the optimization of bearings with and without mixed friction
  • Practical exercises on the simulation of bearings with Tribo-X inside Ansys
  • “Tribo-X inside Ansys” license free of charge for 3 months
Prof. Dr.-Ing. habil. Dirk Bartel
CEO, Tribo Technologies GmbH
Further information
Vincent Hoffmann
Project Engineer, Tribo Technologies GmbH
Further information
Christian Stelzer
Product manager Customization Products, CADFEM GmbH, Grafing

Jump start to practice!

To enable you to immediately start making use of your new knowledge we will provide you with a free 3-month duration Tribo-X inside Ansys license at the end of the seminar. 

 

Do you have questions on the training?

When will I receive the final confirmation for my training booking?

Straight after you sign up, an automatic confirmation of receipt will be sent to the email addresses you provided. Once you have successfully verified the data you provided, you will receive your personalized sign-up confirmation, containing further information on seminar fees, the billing address, hotel recommendations, etc., by email within two to three working days.  

As soon as the minimum number of attendees has been reached, you will receive a final training confirmation containing further information on how to get to the venue. We recommend that you wait until you have received this final confirmation before booking your travel and accommodation.

If the minimum number of attendees is not reached, we reserve the right to cancel the training seven days before it is due to start at the latest. We are happy to help you change your booking to an alternative date. Please note that we accept no liability for hotel or travel bookings that attendees have already made.

When is the sign-up deadline for a training?

Training places will generally be allocated based on the order in which attendees sign up. For this reason, we always recommend booking for your desired date as early as possible.

As long as a seminar still has free places, it can be booked.

When do the training courses begin and end?

Usually the training courses start at 9:00 am and end at 5:00 pm of the respective local time. The actual course times will be stated in the booking confirmation. Please note that, depending on the training host, there may be a possible time shift between your and the provider's local time. Therefore all local times are provided with the valid time shift to Greenwich Mean Time (GMT). 

The following time difference to GMT during summer/winter time applies to the individual training providers:

Head of Professional Development
Dr.-Ing. Marold Moosrainer

Additional Offers

The right training, hardware and additional software products are the keys to success when it comes to a quick introduction to simulation.