Mesoscale computational modeling of concrete-like particle-reinforced composites with non-convex aggregates
Mesoscale computational modeling of concrete-like particle-reinforced composites with non-convex aggregates
复制标题
非凸骨料类混凝土颗粒增强复合材料的介观尺度计算模型
DOI:
10.1016/j.compstruc.2020.106349
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发表时间:
2020-11
影响因子:
4.7
通讯作者:
Yang Liu
中科院分区:
文献类型:
--
作者:
Qing-Xiang Meng;D;an Lv;Yang Liu
This paper presents a novel mesoscale finite element model for predicting the effective mechanical properties of concrete-like particle-reinforced composites with concave aggregates. In the mesoscale model, unit cells (UC) with randomly distributed non-convex particles and period boundaries are generated through computationally efficient algorithms to represent the periodic microstructures of concrete composites. Numerical homogenization is performed to calculate the effective mechanical parameters based on an unsorted node set technique. The results predicted by the proposed model show good agreement with the experimental measurements. The parametric study also indicates that UC models with periodic placement of particles at the boarders yield higher elastic modulus compared with those without periodic boundary particle placement, and the influence of boarder particles on homogenized material properties decreases as the UC size increases. Moreover, computational studies show that the elastic moduli of composites consisting of concavity particles are larger than those with the round and smooth particles given the same particle volume fraction. The proposed mesoscale modeling approach can serve as an easy and fast tool in assisting the design and optimization of strong, light-weight and reliable particle-reinforced composites.
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影响因子:
2.7
作者:
Andrzej Czuryszkiewicz
通讯作者:
Andrzej Czuryszkiewicz
影响因子:
5.2
作者:
Wenxiang Xu;Zhongmei Han;Liang Tai;Qihan Ding;Huaifa Ma
通讯作者:
Huaifa Ma
DOI:
10.1201/b16295
发表时间:
2013-12
期刊:
--
影响因子:
--
作者:
E. Barbero
通讯作者:
E. Barbero
影响因子:
7.4
作者:
G. Mazzucco;B. Pomaro;V. Salomoni;C. Majorana
通讯作者:
G. Mazzucco;B. Pomaro;V. Salomoni;C. Majorana
影响因子:
4.1
作者:
Duester, Alexander;Sehlhorst, Hans-Georg;Rank, Ernst
通讯作者:
Rank, Ernst