采用数值建模对开裂剪切板进行屈曲分析

在民用、海洋和空间结构工程中采用剪切板是一种常见的做法，目前正在对带薄钢板剪力墙的剪切板的应用进行相关研究。一般剪切板的性能和设计程序大部分由其产生预屈服屈曲的情况而决定。然而，由于腐蚀、疲劳、焊接或操作不当而导致的裂纹缺陷，可能会使得剪切板产生承载力退化的情况，从而增加其分析的复杂性。基于有限元方法，对包含中央或边缘裂缝的剪切板提出建模和分析的方法，结果可达到分析裂纹尖端和边缘周围所必需的网格精度。此外，还分析了相对裂纹长度对屈曲承载能力的影响。

Numerical Modelling for Buckling Analysis of Cracked Shear Panels

Utilizing shear panels is a common practice in civil, naval and aerospace engineering structures and the performance of the one with thin steel plate shear walls is an interesting issue of ongoing related researches. It is a well-recognized phenomenon that the behaviour, and consequently the design procedure, of shear panels are mostly dominated by pre-yield buckling occurrence. However the existence of crack defects due to corrosion, fatigue, welding or mishandling may shed more complexities to such panels...