• Our paper entitled “Surrogate-model-based design optimization of multiple locally resonant metamaterials for low-frequency vibration reduction” has been officially published in Advances in Mechanical Engineering. 

• This study presents a surrogate-model-based optimization framework for designing multiple locally resonant metamaterials to achieve low-frequency broadband vibration reduction. 

• The authors of this paper are Kwangjin Kim, Junghwan Kook.

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• Taegyun received the Student Best Paper Award at the 2025 Autumn Conference of the Korean Society for Noise and Vibration Engineering. 

Congratulations on this outstanding achievement. 

• First-year students from Changwon Science High School visited NAVL as part of the 2026 Field Research Program in collaboration with Gyeongsang National University. 

• During the visit, the students experienced university-level research activities through lab tours, lectures, and hands-on research guidance. 

• Professor Kook, Taegyun, Jaewan, and Jungin participated in ACSMO 2026, the Asian Congress of Structural and Multidisciplinary Optimization, held at BEXCO, Busan, Korea, from May 17 to 21, 2026. 

• We are pleased to welcome Youngjong and Seoyeon as new members of NAVL. We look forward to working with them and wish them great success in their research journey. 

• Our collaborative paper entitled “Multi-objective optimization of multilayer graphene-sheet NEMS microphones using NSGA-III and Mahalanobis distance” has been officially published in Journal of Mechanical Engineering and Sciences. 

• This work was made possible through the combination of Milad’s expertise in nonlinear NEMS analysis and Jaewan’s optimization capabilities. 

• The authors of this paper are Milad Saadatmand, Jaewan Lee, and Junghwan Kook.

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• Our paper entitled “Design of a Locally Resonant Metamaterial with Tunable Bandgap Using Off-the-Shelf Mechanical Components” has been officially published in the Journal of the Korean Society of Mechanical and Aerospace Technology (KSMT). 

• The authors of this paper are Seongmin Kim, Minjae Lee, Kiwoon Son, Seonghwan Park, and Junghwan Kook.

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• Kwangjin, Taegyun, and Minjae participated in the 2026 Winter School on Elastic/Acoustic Metamaterials, hosted by the Korean Society of Mechanical Engineers and held at Dongguk University from February 23 to 26, 2026.

• Through this program, they learned the fundamental concepts of elastic waves, acoustic metamaterials, and effective material properties.

• Professor Junghwan Kook received the Best Performance Award at the 2025 RISE Industry–Academia Collaboration Program Performance Sharing Event on February 9, 2026. 

• Professor Junghwan Kook received  a Certificate of Commendation at the 2026 GNU RISE Shared Growth Plus Festival. 

• Jaewan Lee has been appointed as the new Lab Leader, and Seongmin Kim has been appointed as the Lab Administrator. 

• Members of the NAVL attended an invited seminar by Associate Professor Jin Hyun Chang (DTU), a leading researcher in AI-based materials design and digital twin technologies for nuclear and energy systems.