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Summary & Details

A Study on Securing Torsional Stiffness in the Early Design Stage to Enhance Chassis Frame Durability

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Format: PDF

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

Publication code: 20266115

Paper/Info type: Proceedings (Autumn)

No.115-26

Pages: 1-6(Total 6 p)

Date of publication: Oct 2026

Publisher: JSAE

Language: English

Event: 2026 JSAE Annual Congress (Autumn)

Detailed Information

Author(J)	1) Namjin Kim, 2) Gunwoo Nam, 3) Geonhee Cheon, 4) Eunsu Jang, 5) Soosang Yoo, 6) Hyun Sung, 7) Jungsub Kim
Author(E)	1) Namjin Kim, 2) Gunwoo Nam, 3) Geonhee Cheon, 4) Eunsu Jang, 5) Soosang Yoo, 6) Hyun Sung, 7) Jungsub Kim
Affiliation(J)	1) Seojin Industrial, 2) Seojin Industrial, 3) Seojin Industrial, 4) Seojin Industrial, 5) Seojin Industrial, 6) Seojin Industrial, 7) Seojin Industrial
Affiliation(E)	1) Seojin Industrial, 2) Seojin Industrial, 3) Seojin Industrial, 4) Seojin Industrial, 5) Seojin Industrial, 6) Seojin Industrial, 7) Seojin Industrial
Abstract(E)	Torsional loads during driving significantly impact the fatigue life and durability of a chassis frame. This study analyzes the correlation between torsional stiffness and durability performance. Initially, 1D element based analysis identified main design parameters regarding cross sections and thickness. These parameters were validated using a 2D flexible body finite element model for precise stiffness verification. Finally, durability analysis confirmed that increased stiffness effectively reducing stress and extends fatigue life. These results indicate that securing structural stiffness during the early design stage is critical for enhancing overall durability.

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