Gyeongsang National University Wins 'Best Simulation Award' at Marine Engineering Competition

Development of a Nonlinear Analysis Method for Large Object Release, Drift, and Collision Caused by Tsunami

Master's students Taegun Hwang and Jeongheum Lee from the Department of Marine Civil Engineering, College of Marine Science, Gyeongsang National University, and undergraduate students Junseok Kim, Minjang Seo, and Changmin Lee are posing for a commemorative photo after winning the Best Simulation Award at the Marine Engineering CAE Competition hosted and organized by the Korean Society of Ocean Engineers. (Photo by Gyeongsang National University)

[Asia Economy Yeongnam Reporting Headquarters, Reporter Kang Woo-kwon] Hwang Tae-geon and Lee Jeong-heum, master's students in the Department of Marine Civil Engineering at the College of Marine Science, Gyeongsang National University, along with undergraduate students Kim Jun-seok, Seo Min-jang, and Lee Chang-min, announced on the 11th that they won the Best Simulation Award at the Marine Engineering CAE (Computer Aided Engineering) Competition hosted and organized by the Korean Society of Ocean Engineers.

The participating teams in this CAE competition were composed of up to five students from the same university. In the preliminary round, teams submitted results utilizing CAE or programming/software development on topics related to marine engineering such as marine platforms, marine civil engineering, and marine robotics. On the 18th of last month, 10 teams that passed the preliminary round were evaluated on their presentations of CAE utilization and development results, as well as program demonstrations in the final round.

The students from the Department of Marine Civil Engineering submitted an entry titled "Development of a Coupled Analysis Method for Large Object Release-Drift-Collision Caused by Tsunami." They were recognized for developing a coupled analysis method capable of simultaneously analyzing fluid and structure, earning the Best Simulation Award.

Using a numerical wave tank, they simulated the generation, propagation, and overtopping phenomena of a tsunami, and by inputting overtopping volume and flow velocity at the boundary of LS-DYNA, they analyzed the release, drift, and collision characteristics of containers with cranes.

The newly developed coupled analysis method can be used to identify secondary damage characteristics caused by drifting objects during tsunamis, storm surges, and high waves. Furthermore, this coupled analysis method will be utilized in developing secondary disaster mitigation techniques for tsunamis applicable to major coastal facilities such as nuclear and thermal power plants.

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