Dimensioning and Simulation of Composite Material
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
- 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
Yury Novozhilov
Christian Mayrhofer
Placement in the CADFEM Learning Pathway
Participant data
Additional information
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