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Structural mechanics
Structural mechanics

Modeling and Quality of Results in FE Simulation

Reliable results through model control

Overview

Training Advanced

Learn how to create effective FE models and systematically check your simulation results for plausibility. This training is offered as a 2-day course.

Duration
2 days

Prerequisites
None

Software used
Ansys Mechanical

Benefits
  • FE checklist for validation and verification of simulations.
  • Define simulation models appropriately with respect to the objectives
  • Consider mesh requirements in the design of the model
  • Check the plausibility of your simulation results

Description

As an engineer, you know that not every simulation model automatically delivers realistic results. Differences between system behavior and FE simulation results can occur. It’s important to know the causes of these differences.

In our training, you will learn how to improve the quality of your FE models. A systematic approach to model building, from the choice of load assumptions to proper meshing and evaluation of results, is crucial. You will learn how to adequately represent reality in relation to simulation objectives and how to take mesh requirements into account during model building. You will also learn to identify systematic errors and understand the options you have to achieve more accurate results. You will get an overview of the entire simulation process and the various control options. You will be able to efficiently assess your simulation results by considering plausibility and by performing manual calculations. With our FE checklist, you will be able to critically review your model and identify common errors early on.

This training is aimed at engineers and designers who want to deepen their FEA knowledge, as well as project managers who commission simulations and want to better understand and analyze the results.

Detailed agenda for this 2-day training

Day 1

01 Quality in simulation

  • Simulation process at a glance
  • Verification of simulations
  • Validation of models
  • Exercise: Comparison of test and simulation

02 Understand and represent stress states

  • Stress and distortion states in components
  • Visualization of scalar, vector and tensor fields
  • Exercise: Identification of stress states (tension, shear, bending, shear force bending, torsion)
  • Exercise: Estimation of the dimension stress state

03 Systematic errors of the FEM

  • Differential equations
  • Basic idea of numerical integration
  • Discretization error and convergence: approximation in FEM
  • Idealization and choice of element types
  • Exercise: estimation of mesh density based on stress distribution, evaluation of different meshing strategies

04 Validation and verification

  • Simple manual calculation
  • Detection of error sources
  • Model check along a checklist
  • Exercise temperature field: Display of the heat flow and the deformations and comparison with manual calculation

Day 2

05 Load assumptions

  • Understanding the task
  • Recording the loads and operating conditions
  • Define the load cases
  • Exercise suspension rod: determination of the loads

06 Behavior and plausibility checks

  • Mechanical behavior
  • Global and local approach
  • Plausibility checks
  • Exercise suspension rod: plausibility check based on the behaviors

07 Idealization, modeling and evaluation

  • Importance of idealization
  • Procedure according to plan: the modeling concept
  • Modeling and evaluation of connections
  • Challenges of nonlinear models
  • Exercise suspension rod: Creating a modeling concept

08 Verification and optimization of the mesh

  • Mesh quality and meshing tips
  • Identify discretization errors in results
  • Identify stress singularities
  • Convergence control and adaptive mesh refinement
  • Exercise suspension rod: evaluation and model control

Your Trainers

Roland Rombach
Lecturer in Strength of Materials and FEM, Bern University of Applied Sciences

Placement in the CADFEM Learning Pathway

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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 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). 

Technical Manager