The Study on Multiple Load Conditions Analysis for a Conventional Bicycle vs. a Variable-Chain Stay-Length (VCL) Bicycle De1

Authors

  • Meor Rashydan Abdullah Faculty of Faculty of Business, Communication and Law, INTI International University, Persiaran Perdana BBN, Putra Nilai, 71800 Nilai, Negeri Sembilan, Malaysia
  • Muhammad Izzat Nor Ma’arof Faculty of Engineering and Quantity Surveying (FEQS), INTI International University, Persiaran Perdana BBN, Putra Nilai, 71800 Nilai, Negeri Sembilan, Malaysia
  • Winson Wong Zu Xian Faculty of Engineering and Quantity Surveying (FEQS), INTI International University, Persiaran Perdana BBN, Putra Nilai, 71800 Nilai, Negeri Sembilan, Malaysia
  • Suresh Akshith 2Faculty of Engineering and Quantity Surveying (FEQS), INTI International University, Persiaran Perdana BBN, Putra Nilai, 71800 Nilai, Negeri Sembilan, Malaysia
  • Girma Tadesse Chala International College of Engineering and Management, P.O. Box 2511, C.P.O Seeb 111, Muscat, Oman

Keywords:

Bicycle, Chassis, Finite Element Analysis, Loading Conditions

Abstract

The aim of this study was to study on the multiple loading conditions on a varied bicycle’s chain stay designs. The benchmark for this study was a conventional bicycle chassis design which is available in the market. The specification details of this chassis were obtained from the manufacturer’s website. The new design was a Variable-Chain Stay-Length (VCL) configuration. The purpose for the VCL is to allow room for the cyclist to attach to have an extra space for placing the cargo. The VCL is rated as VCL De1 and was developed in reference to the aforementioned benchmark chassis. Both chassis were developed via the use of Computer Aided Design (CAD). The chassis were then analyzed via Finite Element Analysis (FEA) software for the following loading conditions: (i) Static start-up (ii) Steady pedaling (iii) Vertical loading (iv) Rear wheel braking. The Maximum Equivalent (von Mises) Stress (MPa) recorded for the loading conditions were as follow: (i) Benchmark Chassis: (Condition 1) 117.58MPa, (Condition 2) 120.51MPa, (Condition 3) 235.15MPa, (Condition 4) 99.40MPa, whilst, for the (ii) VCL De1: (Condition 1) 123.43MPa, (Condition 2) 126.24MPa, (Condition 3) 246.85MPa, (Condition 4) 189.13MPa respectively. Adding to this, the safety factor for the aforementioned conditions were also obtained as follow: (i) Benchmark Chassis: (Condition 1) 2.38, (Condition 2) 2.32, (Condition 3) 1.19, (Condition 4) 2.82, whilst, (ii) VCL De1: (Condition 1) 2.03, (Condition 2) 1.98, (Condition 3) 1.01, (Condition 4) 0.13. In short, the assessments were a success. It could be noted that the safety factors for the VCL De1 is above 1.0 for Condition 1 to 3, yet, at condition 4 is rated at 87% below the Safety Factor. Hence, this result is indeed undesirable. Thus, the VCL De1 is not suitable for usage due to the high possibility of structural failure. Further improvement on design iteration is warranted for the VCL chassis

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Published

2023-01-16

Issue

Vol. 2023: Journal of Innovation and Technology

Section

Articles