Course on 3D Fracture Mechanics Simulation using FRANC3D
About Course
This course mainly deals with the 3D Crack growth Simulation using FRANC3D.
The FRacture ANalysis Code 3D (FRANC3D) program is designed to simulate 3D crack growth in engineering structures where the component geometry, local loading conditions, and the evolutionary crack geometry can be arbitrarily complex. It is designed to be used as a companion to general purpose Finite Element (FE) solvers.
FRANC3D is developed and Fracture Analysis Consultants, Inc. (FAC) was founded in 1988 as a spin-off from high-technology R&D at Cornell University. With an mission to provide state-of-the-art services in computational fracture mechanics to industry.
Understanding the FRANC3D process:
- an analyst creates an uncracked FE mesh using the standard tools available in the commercial FE package.
- The analyst then defines a sub-model of the crack growth region.
- FRANC3D reads the sub-model mesh file and remeshes the sub-model to incorporate the geometry of a crack. The crack geometry and location can be prescribed interactively using the Graphical User Interface (GUI).
- The “cracked” sub-model is reintegrated into the remainder of the model and an analysis is performed.
- The resulting displacements are read back into FRANC3D, which computes Stress Intensity Factors (SIF’s) for all node points along the crack front.
- The SIF’s are used to predict the direction and relative amount of growth of the crack front points.
The crack is extended, the sub-model remeshed, and another stress analysis is performed. This process is repeated for the number of crack steps specified by the analyst
This course will cover theory and hands on aspects of 3D Crack Growth Simulation.
Course Content
Introduction to Fracture Mechanics Analysis
Introduction to Fatigue and Damage Tolerance Philosophies
Introduction to LEFM and EPFM
Introduction to FRANC3D and Its Capabilities
Import FE model into FRANC3D
Modelling a Crack
Static Crack Analysis
Calculate Stress Intensity Factors
FE model with multiple Load steps
Manual Crack Growth
SIF History and Fatigue Life Calculation
Resume Growth with Larger Submodel
Thermo-Mechanical Crack Growth
Solid Shell Model and Crack Modelling
Multiple Crack Insertion and Growth
Crack Growth and Fatigue Options
Crack Growth and Fatigue Options
Application of Residual Stress/Crack Face Tractions
Fatigue with Time Dependent Growth
Fretting Crack Nucleation
Session Log and Playback
Visualize and Create Crack Growth Animation
One CT specimen to Validate Franc3D simulation Results with Experimental Results
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