Dimensioning Inductive Heat Treatment Processes by Simulation
A physical round-up: Electromagnetics, Temperature-Fields and Mechanics at induction heat treatment This training is offered as a 2-day course.
Duration
2 days
Prerequisites
Basic knowledge of Ansys Maxwell, Basic knowledge of Ansys Mechanical
Software used
Ansys Maxwell, Ansys Mechanical
- Illustration of non-linear eddy current analyses
- Bidirectional coupling to consider thermal dependencies
- Getting fundamentals to analyze induction hardening processes
- Tips and tricks to improve your process
Description
The geometry of inductors as well as the parameter space of induction heating processes constitute an optimization task that can be solved outstandingly by numerical simulation. Within this seminar process specific fundamentals of electromagnetic, thermal, and mechanical FEA modelling with Ansys are illustrated and exemplified by use of bidirectional coupled analyses. The discussion of relevant non-linearities and technological tips to improve your induction process are completing this training.
Within the training you will learn the necessary technical fundamentals and the use-oriented handling of the FEA tools Ansys Maxwell and Ansys Mechanical. Furthermore, the simulation will be implemented considering the interaction between the physical domains to analyze the complete process behavior.
This training is addressed to operators of induction heating processes that aspire to understand, improve, and shorten the development time of prospective processes. Estimations of process parameters (inductance, necessary power) provide arguments for the sales department to react quickly to costumers’ inquiries.
Detailed agenda for this 2-day training
Day 1
01 Fundamentals of electromagnetic simulation for induction heating
- From inductorcurrent to heat power
- Harmonic non-linear eddy current analysis in Ansys Maxwell
- Eddy current distribution and losses
- Workshop: EM-Simulation of a cylindric workpiece in an inductor coil
02 Fundamentals of thermal simulation for induction heating
- Necessary temperature dependencies
- Anisotropic material data
- Thermal boundary conditions regarding the present process
- Curie-Temperature as a critical barrier
- Workshop: Simplified heating of a cylindrical workpiece up to hardening temperature
03 Bidirectional coupling of electromagnetic and thermal fields
- How to couple the simulation tools
- Activating the data transfer
- Usage of the “Feedback-Iterator”
- Workshop: Coupled Analysis of a cylindrical workpiece in an inductor coil (stationary)
04 Analyzing a transient heating process
- Development of an APDL-Subroutine for transient, bidirectional coupled heating
- Usage of the “Feedback-Iterator”
- Workshop: Coupled Analysis of a cylindrical workpiece in an inductor coil (transient)
Day 2
05 Coupling thermal and mechanical analysis
- Load transfer
- Mechanical boundary conditions
- Workshop: Heat shrinking process with induction heating
06 Definition of phase change – Hardening
- Dilatogram and TTT-diagram
- Development of an APDL-Subroutine for switching the mechanical material properties
- Workshop: Simplified induction heating of a cylindric workpiece
07 Evaluating the mechanical analysis
- Evaluation of remaining residual stress and normal stress
- Analysis of remaining deformation
- Workshop: Simplified induction heating of a cylindric workpiece
08 Analysis and improvement of your process with tips and tricks
- Energy efficiency: Usage of field concentrators
- Temperature control: Influence of frequency, power, time and forced proximity-effect
- Evaluation of inductance
- Discussing your process
Your Trainers
Dr.-Ing. Jörg Neumeyer
Placement in the CADFEM Learning Pathway
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