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유동열(Dongyeol Yoo),김재완(Jaewan Kim),범현균(Hyenkyun Beom),권오성(Osung Kwon) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.11_3
This study was described a numerical simulation technique utilizing finite element mothod for the KNCAP side impact. The side impact analyses were conducted to reduce the injury value of occupant using LS-DYNA. In order to improve side impact performance, the base model was correlated with test results and for five cases design study were carried out. These were modified side body structure and driver seat that was affected to dummy behavior by direct contact under side impact. In this study, by reinforcement of body and seat stiffness. optimal design for reducing dummy injury value was obtained.
유동열(Dongyeol Yoo),김재완(Jaewan Kim),조광수(Kwangsoo Cho),범현균(Hyenkyun Beom),권오성(Osung Kwon) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This study describes a numerical simulation technique using finite element method for improvement of US NCAP side impact performance. The side impact analyses were conducted to reduce the injury value of occupant using LS-DYNA. In order to improve side impact performance, the base model was correlated with test results and a many of cases design study were carried out. These were modified front and rear door structure and door trim pad that were affected to dummy injury by direct contact under side impact. In this study, by changing of door structure and door trim pad shape, optimal design for reducing dummy injury value was obtained.
노기훈(Kihoon Noh),유동열(Dongyeol Yoo),장성재(Sungjae Jang) 한국자동차공학회 2022 한국자동차공학회 학술대회 및 전시회 Vol.2022 No.11
KNCAP plan to apply MPDB test from 2024. KNCAP MPDB test that is a kind of car to car simulation test is a vehicle and MDB collision test with 50% offset and 56kph speed. MPDB performance is evaluated in the vehicle and the moving barrier standpoint. The vehicle deformation and the occupant injury value are major measurements of the vehicle standpoint. In case of the moving barrier standpoint, MDBs OLC and its deformation are key factors. Research on the performance of KNCAP MPDB on the frame body is very insufficient. In addition, the recent test speed has become harsher as it is scheduled to change from 50 kph to 56 kph. In this paper, the guideline for KNCAP MPDB performance improvement of frame body is proposed through CAE concept study with a current production vehicle.
노기훈(Kihoon Noh),장성재(Sungjae Jang),유동열(Dongyeol Yoo) 한국자동차공학회 2020 한국자동차공학회 학술대회 및 전시회 Vol.2020 No.11
EuroNAP and KNCAP plan to apply MPDB test from 2020 and 2024 respectively. MPDB test that is a kind of car to car simulation test is a vehicle and MDB collision test with 50% offset and 50kph speed. MPDB performance is evaluated in the vehicle and the moving barrier standpoint. The vehicle deformation and the occupant injury value are major measurements of the vehicle standpoint. In case of the moving barrier standpoint, MDB’s OLC and its deformation are key factors. MPDB performance for Monocoque body has been much studied so far but study of frame body is poor. In this paper, the guideline for MPDB performance improvement of frame body is proposed through CAE concept study with a current production vehicle.
노기훈(Kihoon Noh),장성재(Sungjae Jang),유동열(Dongyeol Yoo) 한국자동차공학회 2019 한국자동차공학회 학술대회 및 전시회 Vol.2019 No.11
MPDB test is going to be applied to EuroNAP and KNCAP from 2020 and 2022 respectively. MPDB test is a front car to car type test that vehicle and MDB collide each other with 50% offset and 50kph speed. MPDB performance is assessed with vehicle deformation and occupant injury value in vehicle standpoint and with MDB’s OLC and its deformation in moving barrier standpoint. By the way, the study on the factors to influence on the MPDB collision performance is very rare. Therefore, in this study, key factors to influence on MPDB collision performance are selected and then their contribution is analyzed.