The Anisotropic Behavior of Short-Fiber-Reinforced Plastics
Importing and calibrating external injection molding data in order to take into account plastic, anisotropic materials in Ansys Mechanical. This training is offered as a 1-day course.
Duration
1 day
Prerequisites
Basic knowledge of Ansys Mechanical
Software used
Ansys Mechanical
- Modeling precisely the load behavior of short-fiber-filled plastics
- Considering results from injection molding simulation carried out in Ansys Mechanical
- Understanding the material models used
- Calibration of elasto-plastic material models
Description
The requirement for new products to be produced more economically and with optimal quality increases continuously. Thanks to their properties of enhanced stiffness and strength, short-fiber-reinforced thermoplastics are now being used in fields which until now primarily involved the use of metal materials. Examples include the consumer goods industry, the automobile industry, the aerospace industry, the electronics industry, and medical engineering.
To enable you to map the loading behavior of short-fiber-reinforced plastics with a high degree of accuracy, you will learn how the results of injection molding simulations can be included in Ansys Mechanical structural analysis simulations. Ansys Workbench offers a completely integrated workflow, ranging from the importation of injection molding data to the efficient computation of plastic, anisotropic material properties and the analysis of results.
This course covers the import and mapping of fiber orientation data (fiber orientation tensor, FOT) and constraint stresses (initial stress tensor, IST) from injection molding simulations* onto structural analysis meshes. Supported injection molding simulation tools: Autodesk Moldflow, Moldex3D, Sigmasoft, Cadmould. Learn how to determine effective linear-elastic material properties using Ansys Material Designer and how to determine parameters for an elasto-plastic material model using the curve-fitting of measured data.
Detailed agenda for this 1-day training
Day 1
01 Peculiarities of Direction-Dependent Material Properties Characteristic of the Injection Molding Process
- Amorphous and semi-crystalline thermoplastics
- Mold-filling process in injection molding
- Peculiarities of fiber orientation characteristic of injection molding
- Mapping fiber orientation in Ansys Mechanical
- Workshop: mapping fiber orientation to a tensile specimen
02 Material Modeling: Producing Effective Material Properties from Matrix and Fiber
- Linear-elastic material properties
- Material databases
- Introduction to Ansys Material Designer
- Mean field homogenization (Mori-Tanaka)
- Workshop: fiber-reinforced test bar
- Workshop: the impact of matrix properties and fiber properties on rigidity behavior
03 Calibration of Plastic Material Properties
- Determining non-linear direction-dependent material data
- Preparing measurement data
- Workshop: curve fitting on 0° and 90° tensile specimens
- Workshop: tensile specimens taken from injected test plates
04 Applications to Thermal Analysis, Warpage, and Linear Dynamics
- Workshop: thermal conductivity and thermal distortion
- Workshop: warpage analysis considering initial stresses revealed by simulation of an injection molding process
- Workshop: modal analysis of a connector
Your Trainers
Dr. sc. Jörg Helfenstein
Moritz Strummer
Placement in the CADFEM Learning Pathway
Participant data
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