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Two Hybrid Approaches to Fatigue Modeling of Advanced-Sheet Molding Compounds (A-SMC) Composite

机译：疲劳疲劳建模的两种杂种方法（A-SMC）复合材料

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To reinforce the environmental standards, we need to strengthen the lightening of vehicles and to generalize new composite materials in order to reduce weight. To use these innovative composite materials in the mass production of automotive parts, it is essential to propose a predictive approach of the S-N curves, which must be established for each new composite formulation and for several types of microstructure within real components. Although these preliminary characterizations consume time and money, this paper proposes two hybrid methodologies to predict the fatigue life during the fatigue test. Both methodologies are based on micromechanical modeling which is developed under monotonous loading with fatigue effects under different amplitudes. The suggested methodology is based on an experimental analysis of monotonic behavior under fatigue loading and on multi-scale modeling of damage. In the results, the proposed model and the used approaches are in good agreement with the experimental results.
机译：为了加强环境标准，我们需要加强车辆的闪电，并概括新的复合材料以减轻重量。为了在汽车零部件的批量生产中使用这些创新的复合材料，必须提出S-N曲线的预测方法，必须为每个新的复合配方和真实部件内的几种微观结构建立。虽然这些初步特征消耗了时间和金钱，但本文提出了两种混合方法，以预测疲劳试验期间的疲劳寿命。两种方法都是基于微机械建模，其在单调载荷下开发，不同幅度下的疲劳效应。建议的方法是基于疲劳负荷下单调行为的实验分析以及对损伤的多尺度建模。在结果中，拟议的模型和使用的方法与实验结果吻合良好。

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