沥青混凝土疲劳损伤自愈合行为研究进展(4)——沥青自愈合分子动力学模拟

Review on Self-healing Behavior of Asphalt Concrete(4)——Molecular Dynamics Simulation of Self-healing in Asphalt

分子动力学模拟为研究沥青自愈合机理和微观进程、分析自愈合影响因素和预测自愈合能力等提供了有力的技术手段。简要介绍了分子动力模拟的基本原理与算法,总结了面向沥青自愈合分子动力学模拟的沥青分子模型及裂缝模型的构建方法,探讨了沥青自愈合分子动力学模拟研究的进一步发展方向。

Molecular dynamics simulation provides a powerful technical tool for the study of the mechanism,micro process,influence factors and the ability of the self-healing in asphalt The basic principle and algorithm of molecular dynamics simulation are briefly introduced in this paper.The asphalt model in the molecular dynamics simulation of asphalt self-healing and the construction method of crack model are summarized.The further development of molecular dynamics simulation of asphalt self-healing is discussed.