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Summary & Details

Development of Open Top Air Body Structure Using Hot Blow Method

Delivery: Available on this site

Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20265357

Paper/Info type: Proceedings (Spring)

No.82-26

Pages: 1-7(Total 7 p)

Date of publication: May 2026

Publisher: JSAE

Language: English

Event: 2026 JSAE Annual Congress (Spring)

Detailed Information

Author(J)	1) Do Hoi Kim, 2) Kang Chul Lee, 3) Golam Ahmed, 4) Forrest Eddings, 5) Dhananjay More, 6) Vinaya Kumar Rachala, 7) Vinaya Kumar Pellerla
Author(E)	1) Do Hoi Kim, 2) Kang Chul Lee, 3) Golam Ahmed, 4) Forrest Eddings, 5) Dhananjay More, 6) Vinaya Kumar Rachala, 7) Vinaya Kumar Pellerla
Affiliation(J)	1) Hyundai Motor, 2) Hyundai Motor, 3) Hyundai America Technical Center, 4) Hyundai America Technical Center, 5) Hyundai America Technical Center, 6) Hyundai America Technical Center, 7) Hyundai America Technical Center
Affiliation(E)	1) Hyundai Motor, 2) Hyundai Motor, 3) Hyundai America Technical Center, 4) Hyundai America Technical Center, 5) Hyundai America Technical Center, 6) Hyundai America Technical Center, 7) Hyundai America Technical Center
Abstract(E)	This study develops an Open Air Top vehicle body using hot blow forming, enabling detachable roofs with improved rigidity and safety. Two designs were evaluated: a Close Type with integrated high-strength pipes and an Open Type featuring exposed pipes for enhanced openness. Structural and collision analyses showed that despite reduced roof rail cross-sections and absence of the roof panel, up to 60% of base body stiffness was achieved, with reinforcements improving collision performance. Manufacturing feasibility was confirmed through prototype development. This research establishes hot blow forming as a lightweight, strong, and modular approach that meets consumer and safety demands.

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