All Issue

2025 Vol.38, Issue 2 Preview Page

Research Paper

Soil-Structure Interaction Analysis through the Simplified Modeling of RC Columns and PML Element

RC기둥의 단순 모델링 기법과 PML 요소를 적용한 지반-구조물 상호작용 해석

Huina Jang1
,
Jaeyong Yoon2
,
Yeongjun Kim1
,
Jungwhee Lee3*
장 희나1
,
윤 재용2
,
김 영준1
,
이 정휘3*
1MS Student, Department of Civil and Environmental Engineering, Dankook University, Yongin, 16890, Korea
2Ph.D. Candidate, Department of Civil and Environmental Engineering, Dankook University, Yongin, 16890, Korea
3Professor, Department of Civil and Environmental Engineering, Dankook University, Yongin, 16890, Korea
1단국대학교 토목환경공학과 석사과정
2단국대학교 토목환경공학과 석박사통합과정 수료
3단국대학교 토목환경공학과 교수
*Corresponding Author
30 April 2025. pp. 103-108
PDF XML Citation
Abstract

This study proposes a simplified modeling technique for use in combination with the perfectly matched layer (PML) element, aiming to improve computational efficiency and reliability in soil-structure interaction (SSI) analysis. The simplified model was validated against a detailed model with differences in stiffness and natural frequencies within 1%, confirming its accuracy in simulating static and dynamic responses. The SSI analysis was performed using semi-infinite and PML applied soil models. With the use of the PML element, the size of the soil domain was reduced to 1/5 of the semi-infinite model, which significantly reduced the analysis time to approximately 7% while maintaining identical natural frequencies. These results demonstrate the effectiveness of combining the simplified modeling technique and the PML element for efficient and reliable SSI analysis. Future work should explore its application to various structures and soil conditions.

Keywords
soil-structure interaction
RC column
simplified modeling
PML element

본 연구에서는 지반-구조물 상호작용(SSI, Soil-Structure Interaction) 해석에서 계산 효율성과 해석 정확성을 동시에 확보하기 위해 철근 콘크리트 기둥의 단순 모델링 기법과 PML(Perfectly Matched Layer) 요소를 결합한 방법을 제안하였다. 단순 모델링 기법은 상세모델과 비교하였을 때 강성 및 고유진동수 차이가 1% 이내로 나타나 구조물의 정적 및 동적 거동을 효과적으로 모사할 수 있음을 확인하였다. PML 요소를 적용한 SSI 해석은 반무한지반 모델 대비 계산 영역을 1/5로 줄이고, 해석 시간을 7% 수준으로 단축하면서도 기둥의 고유진동수가 동일하게 나타났다. 이를 통해 PML 요소가 계산 비용을 대폭 줄이면서도 해석 결과의 정확성을 유지할 수 있음을 확인하였다.

키워드
지반-구조물 상호작용(SSI)
철근 콘크리트 기둥
단순 모델링
PML 요소
References
1

Basu, U. (2009) Explicit Finite Element Perfectly Matched Layer for Transient Three-Dimensional Elastic Waves, Int. J. Numer. Methods Eng., 77(2), pp.151~176.

10.1002/nme.2397
2

Davoodi, M., Pourdeilami, A., Jahankhah, H., Jafari, M.K. (2018) Application of Perfectly Matched Layer to Soil-Foundation Interaction Analysis, J. Rock Mech. & Geotech. Eng., 10(4), pp.753~768.

10.1016/j.jrmge.2018.02.003
3

Genç, A., Kuvat, A., Sesli, H. (2022) A Study on Efficiency of Perfectly Matched Layer (PML) for Seismic Soil-Structure Interaction, Uludağ Üniversitesi Mühendislik Fakültesi Dergisi, 27(1), pp.467~486.

10.17482/uumfd.1073184
4

Kennedy, J.M. (2013) Introductory Examples Manual for LS-DYNA® Users, LSTC Co., Livermore, CA.

5

Kim, J.M. (2002) Soil-Structure Dynamic Interaction, J. KSNVE, 12(5), pp.316~321.

6

Kim, J.M., Lee, G.H., Hong, K.Y., Lee, E.H. (2014) Verification of Linear FE Model for Nonlinear SSI Analysis by Boundary Reaction Method, J. Comput. Struct. Eng. Inst. Korea, 27(2), pp.95~102.

10.7734/COSEIK.2014.27.2.95
7

Kim, S.D., Yoon, J., Cho, W., Lee, J. (2021) Evaluation of Seismic Performance and Soil‐Structure Interaction (SSI) for Piloti‐Type Buildings Considering Korean Geotechnical Conditions, Adv. Civil Eng., 2021(1), p.7876389.

10.1155/2021/7876389
8

Kim, Y.S. (1993) SSI Effects on the Dynamic Response of Structures, J. Comput. Struct. Eng. Inst. Korea, 6(2), pp.87~93.

9

Kim, Y.S. (2010) Structure-Soil Interaction and Earthquake Analysis, Goomi-Seogwan, p.119.

10

Lee, E.H., Kim, J.M., Seo, C.G. (2013) Large-Scale 3D SSI Analysis Using KIESSI-3D Program, J. Comput. Struct. Eng. Inst. Korea, 26(6), pp.439~445.

10.7734/COSEIK.2013.26.6.439
11

LSTC (2024) LS-DYNA Keyword User's Manual Volume I, LSTC Co., Livermore, CA, p.3826.

12

PEER (2017) Guidelines for Performance-Based Seismic Design of Tall Buildings, Pacific Earthquake Engineering Research Center, Berkeley, CA, p.147.

13

Stewart, J., Crouse, C.B., Hutchinson, T.C., Lizundia, B., Naeim, F., Ostadan, F. (2012) Soil-Structure Interaction for Building Structures, National Institute of Standards and Technology (NIST), Gaithersburg, MD, p.292.

14

Yoon, D.Y., Song, H.S., Jang, W.S., Min, C.S. (2005) Modified Modulus of Elasticity of Concrete Column with Steel Bars, J. Korea Inst. Struct. Maint. & Insp. (KSMI), 9(1), pp.101~111.

15

Yoon, J.N., Kim, J.H., Park, D.H. (2018) Extracting Foundation Input Motion Considering Soil-Subterranean Level Kinematic Interaction, J. Korean Geo-Environ. Soc., 19(11), pp.31~37.

Information
  • Publisher :Computational Structural Engineering Institute of Korea
  • Publisher(Ko) :한국전산구조공학회
  • Journal Title :Journal of the Computational Structural Engineering Institute of Korea
  • Journal Title(Ko) :한국전산구조공학회 논문집
  • Volume : 38
  • No :2
  • Pages :103-108
  • Received Date : 2024-12-13
  • Revised Date : 2024-12-23
  • Accepted Date : 2024-12-23
  • DOI :https://doi.org/10.7734/COSEIK.2025.38.2.103
Journal Informaiton Journal of the Computational Structural Engineering Institute of Korea Journal of the Computational Structural Engineering Institute of Korea
Online Submission
  • NRF
  • KOFST
  • crossref crossmark
  • crossref cited-by
  • crosscheck
  • orcid
  • open access
  • ccl
Journal Informaiton Journal Informaiton - close