Finite-Element-Based Heat Transfer Simulations
Virtual thermography through simulations
Learn how to perform thermal analyses in Ansys Mechanical: best practice for heating and cooling tasks and determination of thermal stresses. This training is offered as a 3-day course or alternatively as a self-paced eLearning course.
Duration
3 days
Prerequisites
Basic knowledge of Ansys Mechanical
Software used
Ansys Mechanical
- Efficient mapping of heat conduction, convection and radiation
- Simulate transient heating and cooling processes yourself
- Coupling to flow, structural and electromagnetic simulations
- Independent, targeted planning of thermal analyses
Description
Temperature changes significantly influence product behavior and can reduce the life cycle. They alter material properties and cause thermal distortion of assemblies. Thermal simulations with Ansys Mechanical can answer many technical questions. With how much power can I operate my engine without it overheating? What additional stress is my structure subjected to at high or low operating temperatures? How should I dimension my heating or cooling system? Where do I need to use expensive high-temperature materials? How quickly will my apparatus heat up to operating temperature?
You will be able to solve heat transfer tasks using conduction, convection, and radiation. You will also learn how to model transient processes including phase transitions. Using examples, you will learn about coupling to other types of analysis, how convective boundary conditions can be taken from a flow analysis, how the temperature field can be transferred as a load into a deformation analysis, and how the effects of electrical-thermal interactions can be studied. This training is aimed at all development engineers, test engineers, and project managers who want to perform temperature tasks beyond testing, analytical estimations, or network abstractions using 3D field simulation with Ansys Mechanical. You will be able to make reliable predictions at an early stage of development.
Get a first impression and test the first eLearning module of this training course without any obligation. No costs, no notice period.
Detailed agenda for this 3-day training
Day 1
01 Planning of thermal analyses
- Objective of the analysis
- Thermal specifications of the system
- Which components must be considered in the model?
- Selection of the modeling approach
- Supplementing existing input data
- Exercise: Modeling a robot arm
02 Temperature distribution within components and assemblies
- Heat conduction and thermal contact
- Physical basics
- Relevant characteristic values for typical materials
- Interaction between components
- Concept of thermal resistance
- Exercise: Analyze the temperature field of a robot arm
03 Stationary heat balance: heat exchange with the environment
- Free and forced convection
- Heat transfer by radiation
- Influencing factors
- Typical numerical values
- Convection and radiation in Ansys Mechanical
- Exercise: Cooling a robot arm
04 Thermal strains and stresses
- Thermal deformation and drift
- Tension and thermal shock fracture
- Material properties in the Ansys material library
- Example data for frequently used materials
- Exercise: Thermal bracing of a linear guide
Day 2
05 Transient heat balance: heating and cooling processes
- Additional material characteristics
- Physics of the transient heat balance
- Numerical values for common construction materials
- Modeling of heating and cooling processes in Ansys Mechanical
- Exercise: Heating up an electric car battery while driving
06 Convection: heat transfer through fluid motion
- Determination of the heat transfer coefficient
- Compute ambient temperature with FLUID116 elements
- Clever modeling of cavities
- Examples from the VDI Heat Atlas
- Exercise: Dimensioning a battery cooling circuit
07 Radiation between bodies
- Surface-to-surface radiation
- What are view factors?
- Typical emissivities
- Reflection and absorption
- Radiation calculation in Ansys
- Nonlinear solver control
- Exercise: Car battery
08 Modeling of thermally relevant components
- Which assemblies generate heat?
- Frequent heat sinks
- Thermal resistors, e.g. rolling bearings
- Solar radiation and other environmental influences
- Homogenize complex details, e.g. coils
- Exercise: Power electronics with air and liquid cooling
Day 3
09 Interactions between temperature and deformations
- Coupling between thermal and mechanical effects
- Illustration with multiphysics elements
- Non-linear thermo-mechanical contacts
- A look behind the scenes of the software
- Advanced effects: Joule heat, viscoelastic heating, frictional heat.
- Press fit exercise: Shrink fit of a shaft-hub-connection
10 Heating and cooling processes: melting and solidification
- Properties for phase transition and their determination
- Characteristic values for typical materials
- Tips for thermal-transient simulations
- Exercise: Phase change in a latent heat storage tank
11 Workshop Thermal Optimization
- Exercise: Thermal optimization of a robot arm
- Exercise: Simulation of a customer-specific example
12 Advanced thermal calculation possibilities
- Application of APDL programming
- Periodically repeating processes
- Simple temperature control
- Simulation of welding or soldering processes
- Limits of Ansys Mechanical
- Prospective further simulation approaches
Your Trainers
Ulf Friederichs
Dr. rer. nat. Sigrid Lang
Johannes Raitmair
Dr. Ing. Benoit Fontenier
Luigi Cordani
Sebastian Hoffmann
Placement in the CADFEM Learning Pathway
Participant data
Additional information
Commentary
Get a first impression and test the first eLearning module of this training course without any obligation. No costs, no notice period.
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To get a clear impression of our online learning format, we offer you a trial allowing you access to the starting module of an eLearning course of your choice. No costs, no cancellation period or anything similar. Moreover, with this free test access you can check all the technical requirements for a smooth learning process. You can easily request the free module from any eLearning course.
Each online course day comprises four eLearning modules. You should ideally allow 90 to 120 minutes of uninterrupted learning time for each module. This will allow you to acquire the knowledge provided by a module and to consolidate it through quiz questions and Ansys exercises. By dividing each module into micro learning units, you can also make good use of smaller time windows, such as on your commute.
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With the purchase of a further learning product (learning subscription, training, eLearning), you will receive renewed access to all previously booked content for 365 days, starting from the start date of the new learning product.
