User-defined Creep Models Using Ansys UPF UserCreep
Based on the eLearning course “Introduction to Ansys UPFs”
Learn how to implement your own creep models in Ansys This training is offered as a 1-day course.
Duration
1 day
Prerequisites
Basic knowledge of Ansys Mechanical, Programming knowledge in Fortran
Software used
Ansys Mechanical
- Use creep models from literature and research in Ansys Mechanical
- Use Ansys Mechanical User Programmable Features (UPFs)
- Understand theory, algorithms and numerics of creep mechanics
- Program and compile your own creep models
Description
Isotropic, creep models for advanced engineering applications at elevated temperatures can be easily implemented in the implicit Ansys MAPDL solver through a special-purpose user programable feature (UPF) called UserCreep(). In this one-day course, you will get a compact introduction to UPF technology. You will apply the practical steps involved in implementing an isotropic, coupled-to-damage creep model in UserCreep() in an interactive group activity. We present algorithmic concepts, principles, and Fortran programming examples, sufficient to calculate creep deformation in isotropic solids.
Building on your personal level of knowledge, you will learn the programming aspects of creep, how to re-link and configure UserCreep() for practical use, how to design Workbench Engineering Data GUI for input of UserCreep() material parameters and how to perform basic runtime debugging and testing of UserCreep() from MS Visual Studio.
This course is aimed at computational engineers and developers as well as researchers and scientific staff at universities who want to extend the list of creep models available in Ansys MAPDL as part of their tasks.
Detailed agenda for this 1-day training
Day 1
01 User Programmable Features (UPFs): possibilities and prerequisites
- Capabilities
- Compiler requirements
- License requirements
- Documentation review
02 Theoretical Minimum for UserCreep()
- Basics of continuum creep mechanics: kinematics and kinetics
- Computational creep mechanics in a nutshell
03 Software Minimum for UserCreep() (Workshop)
- Explaining UserCreep(): purpose, input/output
- Basic UserCreep()-app: Fortran coding, relinking and configuration of time-hardening creep model
- Design of Engineering Data GUI for the basic UserCreep()-app
- Verification in Workbench Mechanical
04 Beyond the Basics of UserCreep() (Workshop)
- Materials science of stage III creep
- Extending the UserCreep()-app to include isotropic scalar damage
- Implementation, re-linking, configuration and experimental validation of extended UserCreep()-app
Your Trainers
Dr.-Ing. Slav Valterov Dimitrov
Placement in the CADFEM Learning Pathway
Participant data
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