Scaled boundary finite-element shakedown approach for the safety assessment of cracked elastoplastic structures under cyclic loading

用于循环荷载下裂纹弹塑性结构安全评估的按比例边界有限元安定方法

• 批准号: DP0986534
• 负责人: Prof Chongmin Song
• 金额: $ 20.8万
• 依托单位: The University of New South Wales
• 依托单位国家: 澳大利亚
• 项目类别: Discovery Projects
• 财政年份: 2009
• 资助国家: 澳大利亚
• 起止时间: 2009-01-01 至 2012-05-30
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/DP0986534
• 关键词: Scaled; boundary; finite; element; shakedown

Many structures in Australia have passed or are approaching their design life. One of the most common happening in an ageing structure is the appearance of cracks. The safety of a cracked structure is a major concern to general public and government authority if no reliable safety evaluation can be performed. In this research project, an advanced numerical tool will be developed to predict the stability of cracks and thus the safety of a cracked structure. Such a tool, which does not yet exist, will help engineers and government authorities in deciding on the necessity and type of rehabilitation, retirement or replacement of a cracked structure.

澳大利亚的许多建筑已经过了设计年限，或即将进入设计寿命。老化结构中最常见的现象之一是出现裂缝。如果不能进行可靠的安全评估，开裂结构的安全性是公众和政府当局主要关注的问题。在这个研究项目中，将开发一种先进的数值工具来预测裂纹的稳定性，从而预测裂纹结构的安全性。这样一个尚不存在的工具，将帮助工程师和政府当局决定修复、退役或更换破裂结构的必要性和类型。