Research Experience
1. Graduate Research Assistant at Vanderbilt University, Nashville, TN (05/2013-05/2017)
- Multiscale-multiphysics modeling of structures subjected to extreme environments:
- Formulated and implemented the variational multiscale enrichment (VME) method (in C++) to model the elasto-viscoplastic behavior of structures with heterogeneous materials
- Incorporated heat transfer and corrosion problems into the VME framework to model damage evolution due to environmental degradation
- Developed the reduced order variational multiscale enrichment (ROVME) method to improve the computational efficiency of the VME method
- Enhanced the ROVME computational framework to account for coupled thermo-mechanical effects
- Developed the hybrid multiscale integration method to model damage and fracture in structures subjected to surface degradation
Figure 1: The schematic representation of the overall structural domain (a), the enrichment region (b), and two representative enrichment domains (c) and (d).
Figure 2: Equivalent stress contours of a specimen subjected to coupled thermo-mechanical loads that are obtained using (a) direct finite element method, (b) VME method and (c) ROVME method.
2. Intern at ExxonMobil, Upstream Research Company, TX (05/2016−08/2016)
- Automated geomechanical analysis of faulted reservoirs:
- Developed and implemented an advanced numerical algorithm (in C++) to automate geomechanical analysis of reservoirs with complex fault networks
- Contributed in automated mesh generation for reservoir models with explicitly represented faults
- Improved the Discontinuous Galerkin (DG) treatment of non-conforming meshes and faulted surfaces
- Modeled slippages of faults due to pore pressure change which are verified by extended finite element method (XFEM)
- Designed a post-processing algorithm to visualize slippages along the faults
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