2017 Annual Meeting

Presentation information

Oral presentation

III. Fission Energy Engineering » 307-1 Computational Science and Engineering

[1G15-19] Numerical Analysis on Damage of Structure and Defect in Materials

Mon. Mar 27, 2017 4:40 PM - 6:00 PM Room G (16-207 Building No.16)

Chair: Yoshio Suzuki (JAEA)

5:25 PM - 5:40 PM

[1G18] MD simulations to evaluate stable configurations of vacancy-type defect clusters in Zirconium

*Yilun Hu1, Kohei Doihara1, Sho Hayakawa1, Taira Okita2, Mitsuhiro Itakura3 (1. Department of Systems Innovation, the University of Tokyo, 2. Research into Artifacts, Center for Engineering, the University of Tokyo, 3. JAEA-CCSE)

Keywords:Molecular dynamics simulations, Fuel claddings, irradiation degradation

MD simulations have been conducted to compare the formation energies between vacancy clusters existing on the basal plane and c-type dislocation loop. We found that the latter is more stable even for a smaller size.