Simulation is more than Software

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Analyzing and improving EMC with simulation & measurement

Identifying and resolving EMC issues in your electronic devices using simulation and measurement


Training Basic

In this training, you will learn how to effectively use simulation and testing in combination to get your electric device certified. This training is offered as a 3-day course.

3 days


Software used
Ansys SIwave, Ansys EMC Plus

  • Identify and improve EMC critical points
  • Target-oriented development process by understanding EMC design-rules
  • Understanding how simulation and measurement work together
  • Also for beginners: no simulation knowledge necessary


Every device that contains electronic components must be subjected to an electromagnetic compatibility (EMC) measurement at a certified test center before it can be placed on the market and used. The device is measured in its entire complexity, which usually consists of several boards, cables and housings, all of which influence the measured interference emissions. Therefore, it is important to avoid these by using an EMC-compliant design and, in the worst case, quickly finding and eliminating the source of interference by using a skillful approach. This training will give you an understanding of typical causes of EMC problems using practical examples and will provide you with the necessary know-how to approach the topic of EMC in your device development in a targeted manner with the help of virtual and real testing. You will be taught simulative and metrological approaches that you can already use during development and thus ensure passing the first EMC test without further design cycles. This approach allows you to significantly shorten development times and save costs.

This training is aimed at hardware developers for any type of electronics in all design phases from PCB layout designers to test engineers who would like to secure the final certification measurement through prior measurements. Knowledge of simulation and measurement is not required.

Detailed agenda for this 3-day training

Day 1

01 EMC Measurement and Simulation

  • Brief overview of EMC standards: What is measured? Which limit value has to be observed?
  • Grouping of interferences
  • Potential of simulation in EMC: Which tool for which issue?
  • The step from simulation to measurement
  • Workshop: Identifying the effect of typical EMC issues in simulation and measurement

02 A bit of Physics behind EMC

  • Electromagnetic coupling mechanisms
  • Are EMC and EMI (Electro Magnetic Interference) related?
  • Identifying unwanted antenna structures
  • Workshop: Signal reception with an unwanted antenna

03 Identifying interference sources on PCBs

  • Quick-check in Ansys SIwave: Signal Integrity (SI)
  • Quick-check in Ansys SIwave: Power Integrity (PI)
  • Correlation SI/PI with EMC: Several ways for identifying one EMC problem
  • Workshop: We visualize an electric field around a PCB

04 EMC design rules for the PCB

  • Correct arrangement of signal traces
  • Consider the return current!
  • Troubleshooting measures: Smart use of stitching vias, decoupling capacitors & Co.
  • Workshop: Showing the effect of neglecting the return current

Day 2

05 From PCB to periphery

  • How to deal with cables and housings at PCB-level analysis
  • Actively minimizing emissions
  • Smart use of passive emission avoidance (e.g., ferrite-cores)
  • Workshop: Linking Ansys SIwave with other simulation tools

06 Influence of the housing on EMC

  • Shielding by an enclosure
  • Electromagnetic resonance in an enclosure
  • Enclosure as parasitic radiator
  • Workshop: Analysis of the enclosure with Ansys EMC Plus

07 EMC for cable harness

  • The cable as an antenna
  • Hints for EMC compatible cabling
  • Simulation of cable harness with Ansys EMC Plus
  • Workshop: Simulation and measurement of cable influence

08 Overall system EMC analysis

  • Best practice for a systematic fault analysis
  • Learned experience: Interpreting the root-cause from EMC measurement results
  • Virtual lab tour: Measuring devices and their simulation equivalents

Day 3

09 Visiting the EMC lab

  • Measuring devices: What do I use which measuring device for?
  • Correct handling of the measuring instruments
  • Workshop: Setup of an EMC measurement according to a CISPR standard

10 Doing an EMC measurement according to a CISPR standard

  • Workshop: Live measurement of a PCB with and without faults
  • Correct interpretation of the measurement results
  • Correlation to findings from the simulation

11 Best of both worlds: Simulation and experiment

  • Difference between simulating the components and measuring the complete device
  • Limits of simulation, limits of measurement
  • Field report: Frequent error sources in EMC design and measurement
  • Workshop: Measurement of an external interference source

12 Eliminating EMC problems in the overall system

  • Overview on measurement methods
  • Countermeasures for the elimination of errors in the overall system
  • Last resort: Damping of spurious emissions
  • Workshop: Measurement with and without damping

Your Trainers

Steffen Seewald
CAE Engineer, CADFEM Germany GmbH, Hanover

Placement in the CADFEM Learning Pathway

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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 course fees, the billing address, 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. If you have booked an on-site training, 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 inform you on changing 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 coures still has free places, it can be booked.

At what time 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). 

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