Erdem Caliskan
Graduate Research Assistant The University of Tennessee, Knoxville
Graduate Research Assistant at UTK
January 2022 - Current, Knoxville, TN
Summary: Graduate research on impact/blast‑resistant resonant metamaterials and high‑rate fracture mechanics, spanning computational modeling, verification/validation, and HPC workflows.
Focus areas:
- Resonant metamaterials under impact/blast
- High‑rate fracture and ceramic failure
- Space‑time discontinuous Galerkin methods and linear dynamics
Methods/Stack:
- Finite element and CAE: LS‑DYNA, deal.II, Abaqus
- Parallel & HPC: MPI/SLURM, Linux clusters
Advisor: Assoc. Prof. Reza Abedi
Publications:
Abedi, Reza, Colin Furey, Farhad Pourkamali-Anaraki, Giang Huynh, Erdem Caliskan, and Alireza V. Amirkhizi. “Analyzing fragmentation response of heterogeneous ring using the method of characteristics and machine learning techniques.” Computer Methods in Applied Mechanics and Engineering 436 (2025): 117709. Publication link
Caliskan, Erdem, Willoughby Cheney, Weidi Wang, Thomas Plaisted, Alireza V. Amirkhizi, and Reza Abedi. “Time domain analysis of locally resonant elastic metamaterials under impact.” Mechanics of Advanced Materials and Structures (under review), arXiv preprint arXiv:2410.01029 (2024). Publication link
Contributions
1. Nonlinear material modeling and simulations
- High-speed impact and blast simulations for ceramic materials, validation, and verification studies.
- UMAT modeling in LS-DYNA for an enhanced material model for ceramics based on the Johnson-Holmquist 2 model.
2. Linear finite element simulations
- Linear analysis of metamaterial designs in the time domain for understanding of the frequency-dependent nature of the system.
- Arbitrary Lagrangian Eulerian simulations for understanding fluid-microstructure interactions.
- Higher order spatial mode analysis using in-house Space-time Discontinuous Galerkin code (Webpage).
3. High-performance computing
- Compiling and benchmarking of commercial, open-source and in-house software.
- Using deal.ii: Linear elastic, Neo-Hookian, and J2 plasticity constitutive models are implemented (course project). deal.ii code