天气预报 > 其他 > 长细比越大越稳定吗
长细比越大越稳定吗
更新时间: 2020-10-30 00:00:00  

长细比越大越不稳定。长细比公式:λ=μl/i,i为回转半径长细比。长细比即构件计算长度与其相应回转半径的比值。从这个公式中可以看出长细比越大的构件越容易失稳。

长细比不可单纯的理解为构件长度与细度(或厚度)之比,这是误区。在材料力学当中,长细比的另一个名字是柔度。

关键词: 稳定

长细比越大越稳定吗相关经验

天气预报

最新推荐

页面:/news/view-1662907/ | 耗时:0.3714 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1662907 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1662907 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1662907 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1104811,1109324,1081087,1107487,1102590,1065377,1105637,1066442,1098107,1102644,1061320,1071507,1074875,1062915,1108437,1068744,1063159,1094339,1071245,1109565,1060341,1065391,1063855,1055920,1083215,1066828,1083121,1104571,1074748,1114136) ORDER BY field (ArticleID,1104811,1109324,1081087,1107487,1102590,1065377,1105637,1066442,1098107,1102644,1061320,1071507,1074875,1062915,1108437,1068744,1063159,1094339,1071245,1109565,1060341,1065391,1063855,1055920,1083215,1066828,1083121,1104571,1074748,1114136)