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Structural mechanics
Structural mechanics

Dimensioning and Simulation of Composite Material

Overview

Training Expert

Easily evaluating multi-layer fiber composites. This training is offered as a 3-day course.

Duration
3 days

Prerequisites
Basic knowledge of Ansys Mechanical

Software used
Ansys Mechanical

Benefits
  • Applying classical laminate theory to the preliminary design of components
  • Defining materials and constructing multi-directional layers
  • Improving failure predictions with 3D composite models
  • Systematic optimization of fiber-composite structures

Description

Numerical simulation is a key tool for engineers in the development of optimal composite structures. It allows for the avoidance of elaborate test series and high reject rates. The process begins with the selection of materials and structural design. Fiber-composite laminates offer many optimization possibilities due to their directionally dependent properties.

The aim of this training is to understand, dimension, and simulate fiber-composite laminates and structures. Ansys Composite PrepPost (ACP) plays a central role here. It enables the manufacturing-oriented design of layered composite simulation models and their evaluation. The determination of reserve factors from typical failure theories is demonstrated. You will also learn to automatically generate composite solid models to achieve significantly more precise failure predictions with these 3D models. Furthermore, progressive non-linear damage analysis in the form of stiffness loss (degradation) and delamination, and failure theories are introduced.

All training content is explained using examples and further developed by the participants in their own exercises. This knowledge enables developers, design engineers, computational engineers, and testers to effectively utilize lightweight construction and apply the FE analysis of fiber-composite structures in a well-founded manner.

Detailed agenda for this 3-day training

Day 1

01 Fiber-reinforced composites – do you speak composite?

  • Manufacturing, areas of application
  • Material – from fiber to laminate
  • Insight into Classical Laminate Theory
  • Demonstration of ACP with cross and angle ply laminates

02 Material characterization through trials – how do I measure correctly?

  • Trial development and execution
  • Tensile, pressure and shear properties
  • Relationship between force displacement curve and characteristic values
  • What uncertainties exist?

03 Fiber-composite failures – which failure criterion should I use?

  • Types of fiber-composite failures
  • Failure criteria for failure in the layer
  • Comparison of different criteria
  • From FPF to LPF

04 Design of fiber-composite structures – which design recommendations do I make?

  • Material characteristic values, design values and dimensioning values
  • Design philosophies
  • Practical design guidelines
  • Example of a component design

Day 2

05 Efficient analysis of fiber-composite laminates – ACP

  • Laminate analysis – the classic route with Ansys and Workbench
  • ACP – the Ansys Composite PrepPost concept
  • From geometry to evaluation
  • Workshop: Kiteboard 1

06 Laminating – defining the direction

  • From material definition to multi-directional layer structures
  • The single layer
  • Orienting the fibers
  • Draping
  • Workshop: T-joint
  • Workshop: Draping a spherical cap
  • Demonstration: Helix

07 Layer cut-off – manufacturing constraints

  • Determining bearing areas – named selections and rules
  • Sandwich – models with a core
  • Workshop: T-joint
  • Workshop: Kiteboard 2

08 3D is also possible – from the shell to solid with ACP

  • From shell laminate to volume model – extrusion and pre-meshed models
  • Geometry processing – CAD tool extrusion guides
  • Ply drop-off
  • Assemblies
  • Workshop: Tensile sample
  • Workshop: Satellite antenna

Day 3

09 Solved – what next? Evaluation and utilization of fiber-reinforced laminates

  • Model checking
  • Typical post-processing for composites
  • Failure criteria
  • Workshop: Rotor blade

10 Do you have the best solution? What else is there?

  • Parameter & sensitivity analysis
  • Distributed data – look-up tables, data export
  • Data management, scripting
  • Workshop: Sensitivity analysis of a parabolic antenna

11 When it's a complete failure: delamination and degradation

  • Intralaminar damage: Contact or interface elements
  • Strength degradation
  • Workshop: DCB sample
  • Workshop: Bearing stress

12 Material characteristic values and curing – Material Designer and ACCS outlook

  • Material characteristic values at the representative volume element – the Material Designer
  • Curing with the Ansys Composite Cure Simulation
  • Free design possibilities: Ask about your next project, try out and strengthen the skills you’ve acquired. Take some time and go over the information learned with the support of the speaker.

Your Trainers

Prof. Dr.-Ing. Christian Hühne
Professor of Functional Structures, German Aerospace Center (DLR)
Maik Handschick
CAE Engineer, CADFEM Germany GmbH, Berlin
Christian Mayrhofer
CADFEM (Austria) GmbH, Wien

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.

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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.

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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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