我刚翻了下板壳理论
有这么句话:A thin plate is commonly defined as a plate with the ratio of the thickness to the smaller span length of less than 1/20.
而且我当时的笔记,教授说其实比例大于0.02,也就是1/50用薄板理论都不是很精确
1/20是工程上的应用
所以那 t/L = 1/5必须用厚板理论了
建议你看看Vibration of Mindlin Plates这本书,是用一阶剪切理论的厚板理论
再高级点的就得看Reddy的厚板理论了
原帖由 xuruikl 于 2009-10-15 21:08 发表
我刚翻了下板壳理论
有这么句话:A thin plate is commonly defined as a plate with the ratio of the thickness to the smaller span length of less than 1/20.
而且我当时的笔记,教授说其实比例大于0.02,也就 ...