The interface is an important component and a weak link of composite materials/structures,and its mechanical properties have an important influence on the overall mechanical behaviors and functions of compo-sites.Phenomenological interfacial constitutive laws have played an important role in solving various problems of materials and structures with interfaces,but they neglect the complex damage and failure processes at the meso-scopic scale.With the development and application of multiphase binders,important progress has been made in the field of multi-scale modeling and analysis of the interface.Firstly,interfaces are classified based on their geo-metrical configurations.Then,the fundamental problems of interface multiscale modeling are clarified,and model-ing methods and key issues in interface multiscale modeling are summarized.Research progresses in both one-way and two-way multiscale modeling of the interface are reviewed.Finally,the problems that need to be further studied in interface multiscale modeling are prospected.
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