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首页> 外文期刊>Composite Structures >Development of a multiphysics model of synergistic effects between environmental exposure and damage in woven glass fiber reinforced polymeric composites
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Development of a multiphysics model of synergistic effects between environmental exposure and damage in woven glass fiber reinforced polymeric composites

机译：开发梭织玻璃纤维增​​强聚合物复合材料环境暴露与损伤的协同效应的多体效果模型

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摘要

Extending the application of fiber-reinforced polymer (FRP) composite materials into the automotive, aerospace and military manufacturing is a significant advance in recent years. However, few extending have been achieved in civil infrastructure and building construction industry. This gap is partly due to (i) the lack of multiphysics and multiscale models unifying degradation-deformation damage phenomena to assess the safety and durability of newly adopted or proposed material and structural systems, and (H) no available computational models that are succinctly fundamental and directly interactable with other digital files from architecture designer or manufacturer. To begin addressing this gap, this paper presents a structure level multiphysics model that uses the UV and moisture deterioration variables homogenized from a micromechanics model to integrate a nonlocal continuum damage model in a curvilinear coordinate system. This model links the application of analysis to the architecture or manufacturing digital model by enabling more accurate predictions of mechanical performance. An example of the model is presented for analysis of a group of glass fiber-reinforced polymer (GFRP) composite plates in SFMOMA Facade System, the first and largest architectural application of fiber reinforced polymer (FRP) in the United States.
机译：将纤维增强聚合物（FRP）复合材料延伸到汽车，航空航天和军事制造中的应用是近年来的重大进步。但是，在民事基础设施和建筑工业方面取得了很少的延伸。这种差距部分原因是（i）缺乏多体学和多尺度模型统一降解变形损伤现象，以评估新采用或提出的材料和结构系统的安全性和耐用性，以及（h）没有简洁的计算模型。并直接与建筑设计师或制造商的其他数字文件交互。为了开始解决这个差距，本文介绍了一种结构级多体模型，该模型使用从微机械模型均匀化的UV和湿度劣化变量，将非识别连续体损伤模型集成在曲线坐标系中。该模型通过实现更准确的机械性能预测，将分析应用于架构或制造数字模型的应用。提出了该模型的一个例子，用于分析SFMOMA门面系统中的一组玻璃纤维增​​强聚合物（GFRP）复合板，在美国纤维增强聚合物（FRP）的第一和最大建筑应用。

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