复杂索缆体系动力学分析及智慧监测-畅读网

　　　　

复杂索缆体系动力学分析及智慧监测

作者：淡丹辉作者)韩飞

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内容简介:

动力学分析是索缆结构设计、服役期性能监测与维护、振动控制的关键问题。随着现代工程结构跨度和高度的不断增长，复杂索缆体系成为一种必然选择。在此情况下，已有的针对简单、高效、高精度的解析方法来分析复杂索缆体系的动力问题，已成为一个迫切需要解决的难题。本书主要介绍了基于动刚度理论的复杂索缆系统的动力分析理论方法，以解决复杂索缆系统的动力特性分析、索力监测与识别、系统参数识别、振动控制、索缆疲劳状态智慧感知和疲劳寿命预测等问题。

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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 5 LIMIT 1 [ RunTime:0.007397s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 45 LIMIT 1 [ RunTime:0.010096s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.007197s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.007657s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1767289620 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:1.901978s ]

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