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首页> 外文期刊>Journal of Engineering Mechanics >Evaluation of two homogenization techniques for modeling the elastic behavior of granular materials
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Evaluation of two homogenization techniques for modeling the elastic behavior of granular materials

机译：两种均质化技术的建模颗粒材料弹性行为的评估

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This paper discusses the capabilities of two homogenization techniques to accurately represent the elastic behavior of granular materials considered as assemblies of randomly distributed particles. The stress-strain relationship for the assembly is determined by integrating the behavior of the interparticle contacts in all orientations, using two different homogenization methods, namely the kinematic method and the static method. The numerical predictions obtained by these two homogenization techniques are compared to results obtained during experimental studies on different granular materials. Relations between elastic constants of the assembly, interparticle properties, and fabric parameters are discussed, as well as the capabilities of the models to take into account inherent and stress-induced anisotropy for different stress conditions.
机译：本文讨论了两种均质化技术的功能，它们可以准确表示被视为随机分布的粒子集合的粒状材料的弹性行为。通过使用两种不同的均化方法，即运动学方法和静态方法，通过在所有方向上集成粒子间接触的行为来确定组件的应力-应变关系。通过这两种均化技术获得的数值预测结果与在不同颗粒材料上进行实验研究时获得的结果进行了比较。讨论了组件的弹性常数，粒子间属性和织物参数之间的关系，以及模型在考虑不同应力条件下固有的和应力引起的各向异性的能力。

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