Journal of the Korea Convergence Society (한국융합학회논문지)

Korea Convergence Society (한국융합학회)
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A Convergent Study on the Structural Analysis of Automotive Support Beam

자동차 서포트빔의 구조해석에 대한 융합 연구

  • Choi, Kye-Kwang (Department of Metal Mold Design Engineering, Kongju national University) ;
  • Cho, Jae-Ung (Division of Mechanical & Automotive Engineering, Kongju National University)
  • 최계광 (공주대학교 금형설계공학과) ;
  • 조재웅 (공주대학교 기계자동차공학부)
  • Received : 2020.06.08
  • Accepted : 2020.09.20
  • Published : 2020.09.28
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Abstract

The structural analysis was performed at this study when the axle was loaded by using a total of three automotive support beam models, models A, B and C. Comparing with three models A, B, and C, the equivalent stress is considered to be good for its durability because model C is less than the yield stress of the material. The maximum equivalent stresses happening at models A and B are 1.8 times and 2.5 times higher than the yield stress, respectively, indicating that the material is fractured. So, it does not seem to be efficient as a support beam. Model C can be applied efficiently to the improvement design of axle support beams in terms of durability compared to models A and B. The strength of automotive support beam can be evaluated by applying this research result to the automotive part. And it is seen that this study is adequate at the efficient design and aesthetic convergence practically.

본 연구에서는 Model A와 Model B 그리고 Model C의 총 3가지의 차축 모델을 이용하여 차축에 하중이 가해졌을 때의 차량 서포트빔에 대한 구조해석을 하였다. 3가지의 Model A, B, C를 비교해 보았을 때 등가응력은 Model C가 재료의 항복 응력보다 작게 나와서 그 내구성면에서 좋다고 사료된다. Model A와 Model B에서 발생한 최대 등가응력들은 항복응력보다 각각 1.8배와 2.5배이상 발생되어 재료가 파단됨을 보여 주고 있어 서포트빔으로서는 효율적으로 보이지 않는다. Model C가 Model A와 Model B에 비하여 그 내구성면에 있어서 효율적으로 차축 서포트 빔의 설계 향상에 응용할 수 있다. 본 연구 결과를 자동차 부품에 적용함으로서 자동차 서포트빔의 강도를 평가할 수 있다. 그리고 본 연구가 실제적으로 효율적인 설계와 미적인 융합에 적합하다고 보인다.

Keywords

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