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Yoon Young Kim
Seoul National University
471Publications
34H-index
4,854Citations
Publications 453
Newest
#1Jeonghan Yu (SNU: Seoul National University)
#2Sang Min Han (SNU: Seoul National University)H-Index: 1
Last.Yoon Young Kim (SNU: Seoul National University)H-Index: 34
view all 3 authors...
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#1Agnus M. Kim (SNU: Seoul National University)H-Index: 3
#2Sungchan Kang (SNU: Seoul National University)H-Index: 6
Last.Yoon Young Kim (SNU: Seoul National University)H-Index: 34
view all 5 authors...
Background The recent increase in knee arthroplasty (KA) use in Korea is among the highest in the world. The rapid increase in KA use suggests that the KA use in Korea could have been affected by medically unjustifiable factors. This study aimed to examine the geographic variation in the rate of KA and its associated factors in Korea.
Source
#1Agnus M. Kim (SNU: Seoul National University)H-Index: 3
#2Sungchan Kang (SNU: Seoul National University)H-Index: 6
Last.Yoon Young Kim (SNU: Seoul National University)H-Index: 34
view all 5 authors...
Background The incidence of pneumonia in Korea started to increase in the 1990’s after a period of decrease and stabilization, and the mortality and hospitalization rates for pneumonia in Korea are alarmingly high. This study was performed to examine geographic variation and factors associated with hospitalization for bacterial pneumonia in Korea.
3 CitationsSource
#1Agnus M. Kim (SNU: Seoul National University)H-Index: 3
#2Jong Heon ParkH-Index: 6
Last.Yoon Young Kim (SNU: Seoul National University)H-Index: 34
view all 5 authors...
Korea is in a condition where the impact of patient and supplier factors on cesarean section rates can be clearly described. The cesarean section rates in Korea are among the highest in the world while the number of obstetricians is decreasing sharply. This study aimed to investigate the geographic variation in cesarean section rates in Korea and its factors. The data were obtained from the National Health Insurance database in Korea in 2013. We calculated the age-standardized and crude cesarean...
1 CitationsSource
#1Agnus M. Kim (SNU: Seoul National University)H-Index: 3
#2Jong Heon ParkH-Index: 6
Last.Yoon Young Kim (SNU: Seoul National University)H-Index: 34
view all 4 authors...
Ambulatory care sensitive conditions (ACSC) hospitalization is a widely accepted measure of the access to primary care. However, given its discretionary characteristics, the ACSC hospitalization can be a measure reflecting the influence of hospital bed supply. In Korea, where the quality of primary care and oversupply of hospital beds are coexistent concerns, ACSC hospitalization can be used to examine the impact of both factors. This study was performed to investigate the ACSC hospitalization r...
2 CitationsSource
#1Byungseong Ahn (SNU: Seoul National University)H-Index: 1
#2Hyuk-JoonLeeH-Index: 188
Last.Yoon Young Kim (SNU: Seoul National University)H-Index: 34
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Abstract A numerical method based on topology optimization is developed for designing a metasurface that anomalously reflects longitudinal elastic waves. While the analysis and design of metasurfaces and metamaterials have received much attention recently, no numerical method to design elastic metasurfaces for anomalous reflection has been explored. Here, we formulate a density-based topology optimization suitable for finding a set of phase-delaying unit cells forming a metasurface that anomalou...
Source
#1Chung Il Park (SNU: Seoul National University)H-Index: 3
#2Hong Min Seung (KRISS: Korea Research Institute of Standards and Science)H-Index: 8
Last.Yoon Young Kim (SNU: Seoul National University)H-Index: 34
view all 3 authors...
Abstract The use of a specific wave mode is critical in ultrasonic non-destructive evaluations but it is difficult to generate a specific mode, especially a higher mode at a frequency where there exist multiple wave modes. Here, we propose a compact omnidirectional shear-horizontal wave MPT (magnetostrictive patch transducer) having two annular magnetostrictive patches for the generation of a nearly pure SH1 (second shear-horizontal) mode in a plate for frequencies above the first cutoff frequen...
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#1Soomin Choi (SNU: Seoul National University)H-Index: 4
#2Yoon Young Kim (SNU: Seoul National University)H-Index: 34
Abstract We propose a consistent higher-order beam theory in which cross-sectional deformations defining degrees of freedom are derived in the framework consistent with the mechanics of the proposed one-dimensional beam theory. This approach contrasts with earlier methods in which the procedure used to derive sectional deformations and the final beam theory are based on models of different levels. An advantage of the proposed consistent approach is that the generalized force-stress relation even...
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#1Jae Eun Kim (CUA: The Catholic University of America)H-Index: 1
#2Sowon Lee (Hyundai Motor Company)H-Index: 2
Last.Yoon Young Kim (SNU: Seoul National University)H-Index: 34
view all 3 authors...
A folded two-degree-of-freedom piezoelectric vibration energy harvester has been proposed by several researchers including the authors. It is characterized by the reversal of the modal sequence, which enhances the electrical output power near a target operating frequency with very little eigenfrequency separation. However, no appropriate mathematical models have yet been developed, though a well-developed one would clarify the physical behaviors and allow efficient investigations of the effects ...
1 CitationsSource
#1Won Joo Lee (PNU: Pusan National University)H-Index: 2
#2Hui Tae Kwon (PNU: Pusan National University)H-Index: 1
Last.Yoon Young Kim (SNU: Seoul National University)H-Index: 34
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