Mechanism-driven fracture models with predictive capability are essential in developing accurate computational approaches that can model forming process and performance applications like dynamic crash. Their a lack of models, especially in aluminum, that include enough physics of the mechanisms involved that lead to fracture and ultimate failure of the material.
At CMRG we are working on developing robust models at various length scales (macro, meso and micro) to predict the fracture. The aim of the work done at CMRG is to understand the physics behind the microstructural aspect that govern the fracture and use them to develop useful indicators that can then be used in conjunction with multiscale/phenomenological models to generate frameworks that can predict part performances that include fracture.
Our research areas in fracture
- Homogenization approaches
- Crystal plasticity based finite element models
- Crystal plasticity based non-ordinary state based peridynamics models
Select publications:
- Muhammad, W., Ali, U., Brahme, A., Kang, J., Mishra, R.K., and Inal K., 2017. Experimental Analyses and Numerical Modeling of Texture Evolution and the Development of Surface Roughness during Bending of an Extruded Aluminum alloy using a Multiscale Modeling Framework. International Journal of Plasticity
