Faculty Profiles - MIZUNO, Koji

Papers - MIZUNO, Koji

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Evaluation of Crash Compatibility Based on Car-to-Car Crash Tests Reviewed

Hideki Yonezawa, Naruyuki Hosokawa, Koji Mizuno

International Journal of Vehicle safety Vol. 3 ( 3 ) page： 81-90 2008

Language：English Publishing type：Research paper (scientific journal)

Results of car-to-car crash tests were examined to evaluate crash compatibility. The method of calculating driver scores based on Japan NCAP was applied to the car-to-car crash tests. Self-protection and aggressivity could be evaluated based on the scores of the drivers of both vehicles. It was shown that the compatibility performance of small cars could be demonstrated with the use of delta-V of 60 to 70 km/h.

Evaluation of Lower Extremity Injury Risk Using Pedestrian FE Model and TRL Legform Impactor Reviewed

Koji Mizuno, Keita Okada, Toshio Hosokawa, Sadayuki Kuwahara, Daisuke Nakane

Review of Automotive Engineering Vol. 28 ( 4 ) 2007.10

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

A human finite element (FE) model was used to evaluate injury risks of pedestrian lower extremities in car-to-pedestrian collision. The bending moment diagram and stress diagram of tibia were introduced to investigate loading to leg. Using car models, it was demonstrated that the location of the lower absorber affects loadings on tibia and knee significantly. The FE analysis using TRL legform impactor was also conducted using the same series of car models. The injury criteria of both FE models were compared, and it is suggested that the tibia stress and knee angle in the human FE model tended to increase with increasing of the injury criteria of the TRL impactor.

Finite Element Analysis of Pedestrian Lower Extremity Injuries in Car-to-Pedestrian Impacts Reviewed

Sadayuki Kuwahara, Toshio Hosokawa, Keita Okada, Koji Mizuno

SAE 2007 Transactions Journal of Passenger Cars – Mechanical Systems Vol. V116-6 page： 2007-01-0755 2007.3

Language：English Publishing type：Research paper (scientific journal)

In order to prevent lower extremity injuries to a pedestrian when struck by a car, it is important to elucidate the loadings from car front structures on the lower extremities and the injury mechanism caused by these loadings. In this udy, using a human finite element (FE)model, a bending moment diagram and a stress diagram of tibia were introduced to examine the effects of loading from car structures. By the lower absorber of the car, the bending moment was distributed over the tibia with small moment at the upper tibia location that can reduce knee injury risk. Certain positions of the lower absorber reduced the tibia fracture risk. An FE analysis of a legform impact test using the TRL legform impactor was also conducted, and a relation was found between the injury criteria of the TRL legform impactor and the human FE model. High acceleration of the TRL legform impactor corresponded to the tibia fracture or MCL rupture of the human FE model.

Microstructural mechanism of skeletal muscle injury and a new constitutive model of skeletal muscle Invited Reviewed

Tanaka, E., Ito, D., Yamamoto, S., Mizuno, K.

Biomechanics at Micro- and Nanoscale Levels Vol. IV page： 141 - 151 2007.1

Pediatric Biomechanics Invited Reviewed

Koji Mizuno

Review of Automotive Engineering Vol. 28 ( 1 ) 2007.1

Authorship：Lead author Language：English

歩行者人体FEモデルとTRL脚部インパクタの傷害評価の比較 Reviewed

自動車技術会論文集 Vol. 38 ( 2 ) page： 259-264 2007

歩行者転倒における大腿骨頚部骨折発生機序の生体力学的検討 Reviewed

山本創太，田中英一，窪内靖治，池田武司，水野幸治，原田敦，奥泉宏康

日本機械学会論文集 Vol. 72 ( 723 ) page： 1799-1807 2006.11

Effects of Loading Direction on Anterior Cruciate Ligament Injury Reviewed

Sota Yamamoto, Akinori Saito, Akinori Ishikawa, Koji Mizuno, Eiichi Tanaka

Vol. 27 ( 3 ) page： 316-329 2006

Case study of a low-velocity pedestrian accident Reviewed

Vol. 2 ( 1 ) page： 316-329 2006

SUVの構造インタラクション改善のための評価試験に関する研究 Reviewed

自動車技術会論文集 Vol. 37 ( 6 ) page： 199-204 2006

CRSの拘束方法による人体モデルと衝突ダミーの衝撃応答の比較 Reviewed

自動車技術会論文集 Vol. 37 ( 6 ) page： 193-198 2006

Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)

開発した3歳児人体FEモデルに対して，子供の解剖学的特長を持つ骨盤モデルを組み込んだ．さらに拘束方法の異なる三種類のCRSについて，Hybrid III FEモデルと3歳児人体FEモデルの衝撃応答の比較をおこなった．

Evaluation of Passenger Compartment Strength in Car-to-Car Frontal Crashes Reviewed

Koji Mizuno, Kazumasa Tateishi, Hideki Yonezawa, Hiroko Minda

Vehicle compatibility in automotive crashes Vol. SAE PT102 2005.4

*Development of a Three-Year-Old Child FE Model Reviewed

Koji Mizuno, Kazuya Iwata, Takashi Deguchi, Takashi Ikami, Masami Kubota

Traffic Injury Prevention Vol. 6 ( 4 ) page： 361-371 2005

コンパティビリティの評価試験に関する研究 Reviewed

自動車技術会論文集 Vol. 36 ( 6 ) page： 187-192 2005

*Full-Width Test and Overload Test to Evaluate Compatibility Reviewed

Koji Mizuno, Yuji Arai, Masao Notsu

SAE 2005 Transactions, Journal of Passenger Car page： 2005-01-1373 2005

Test Procedures for Vehicle Compatibility Evaluation Reviewed

Koji Mizuno, Yuji Arai, Kunio Yamazaki, Hideki Yonezawa, Masao Notsu

International Journal of Crashworthiness Vol. 10 ( 5 ) 2005

ヒッププロテクタによる大腿骨頸部転倒骨折予防の生体力学的検討 Reviewed

田中英一，山本創太，尾関重宣，水野幸治，原田敦，水野雅士

日本機械学会論文集 Vol. 70 ( 697 ) page： 1193-1200 2004.9

Compartment Strength and Its Evaluation in Car Crashes Reviewed

International Journal of Crashworthiness Vol. 9 ( 5 ) page： 547-557 2004

Finite Element Analysis of Knee Injury Risks in Car-to-Pedestrian Impacts Reviewed

Traffic Injury Prevention Vol. 4 ( 4 ) page： 345-354 2003

子供の歩行者事故とその解析に関する研究 Reviewed

自動車技術会論文集 Vol. 34 ( 1 ) page： 145-149 2003

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