Design and analysis of anti-roll bar using computer aided engineering tools

Zakaria, Ira Umira (2018) Design and analysis of anti-roll bar using computer aided engineering tools. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Anti-roll bar is a suspension element used at the front, rear, or at both ends of a car. It will reduce body roll by resisting any unequal vertical motion between the pair of wheels to which it is connected. The function is to keep tires in contact with the surface of the road, support the weight of a vehicle and absorb the forces generated by the movement and motion of the vehicle. From the previous study, most of the design are locate at the bushing near the bend location that it cause the stress of anti-roll bar higher and fracture will occur. Types of the cross section is also the cause to the problem. By using hollow bar, it will reduce the weight of the anti-roll bar compared to solid bar, but hollow bar will produce higher stress than solid bar. Some of the bars have a simpler shape depending on the car and some have irregular shape and some have weight issue. This project entitled Design and Analysis of Anti-roll bar using Computer-aided Engineering tools is focusing to analyse the anti-roll bar design by using computer-aided engineering tool and to improve the design regarding the analysis of computer-aided engineering tools. A stress analysis was carried out by using the finite element technique for the determination of highly stressed areas on the bar. Design consideration of the car anti-roll bar is studied from past researchers with the summarized of current invention of car anti-roll bar. In development of the car anti-roll bar, interplay among design elements such as material, function analysis, failure analysis and product design specifications are needed to be taken into consideration in development of it without affecting its conventional function and achieve the performance goal. The ability of the composite material is possible to be the next future generation of automotive anti-roll bar. Regarding to the analysis, it shows that the improvement design of the anti-roll bar have higher roll stiffness compare to previous design. It also have lower weight because of using hollow anti-roll bar and changing the material of the anti-roll bar, but in term of stress, it have higher stress compare to previous design. This is because of type of material, type of cross-section, location of bushing and parameter of the improvement in the improvement design was change compare to previous design.

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