His area of research interest includes multi-physics reactor simulation, advanced reactor design, core design optimization, fuel cycle analysis, and next generation reactor analysis method. Presently he performs studies on the Hi2Lo informing scheme for multi-physics simulation, sensitivity and uncertainty (S/U) analysis in modeling of various reactor systems, improvement of high-fidelity reactor core simulator, hybrid Monte Carlo (MC) and deterministic method for core calculations, and homogenization-free time-dependent neutron transport benchmark.