CAE Modeling Static and Fatigue Performance of Short Glass Fiber Reinforced Polypropylene Coupons and Components

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CAE Modeling Static and Fatigue Performance of Short Glass Fiber Reinforced Polypropylene Coupons and Components

Wang, Congyue / Guo, Mingchao / Shanmugam, Mohan / Bhandarkar, Ramchandra

One approach of reducing weight of vehicles is using composite materials, and short glass fiber reinforced polypropylene is one of most popular composite materials. To more accurately predict durability performance of structures made of this kind of composite material, static and fatigue performance of coupons and components made of a short glass fiber reinforced polypropylene has been physically studied. CAE simulations have been conducted accordingly. This paper described details of CAE model setup, procedures, analysis results and correlations to test results for static, fiber orientation flow and fatigue of coupons and a battery tray component. The material configurations include fiber orientations (0, 20 and 90 degrees), and mean stress effect (R = -1.0, -0.5, -0.2, 0.1 and 0.4). The battery tray component samples experience block cycle loading with loading ratio of R = -0.3 and 0.3. The CAE predictions have reasonable correlations to the test results.