为了研究调谐质量阻尼器(tuned mass damper,TMD)在海洋平台冰激振动中的减振效果,提出一种基于半仿真实验系统的TMD等效阻尼力测量方法,利用该系统可以直接测试结构安装TMD装置时产生的作用力。介绍该实验系统的测试原理及等效阻尼力...为了研究调谐质量阻尼器(tuned mass damper,TMD)在海洋平台冰激振动中的减振效果,提出一种基于半仿真实验系统的TMD等效阻尼力测量方法,利用该系统可以直接测试结构安装TMD装置时产生的作用力。介绍该实验系统的测试原理及等效阻尼力的测量方法,并在正弦位移输入下,对TMD装置进行了测试,比较等效阻尼力的实测值与计算值,结果证明利用该系统可以测量得到TMD的等效阻尼力。展开更多
To improve the performance of traditional mechanical shock absorber, a new type of high molecular polymer is formulated and applied to overloaded vehicle shock absorber. According to the operating principle of high-pe...To improve the performance of traditional mechanical shock absorber, a new type of high molecular polymer is formulated and applied to overloaded vehicle shock absorber. According to the operating principle of high-performance viscoelastic material shock absorber, the geometrical structure of shock absorber is designed and machined. Then its theoretical model is derived by using analytical method, and the impact test is carried out on high-performance viscoelastic material shock absorber. The results show that experimental and theoretical damping force curves have good agreement, which validates the credibility of theoretical model. The investigation provides a potential way to enhance damping performance and increase vehicle load.展开更多
文摘为了研究调谐质量阻尼器(tuned mass damper,TMD)在海洋平台冰激振动中的减振效果,提出一种基于半仿真实验系统的TMD等效阻尼力测量方法,利用该系统可以直接测试结构安装TMD装置时产生的作用力。介绍该实验系统的测试原理及等效阻尼力的测量方法,并在正弦位移输入下,对TMD装置进行了测试,比较等效阻尼力的实测值与计算值,结果证明利用该系统可以测量得到TMD的等效阻尼力。
基金National Natural Science Foundation of China(No.51476150)Funds for International Joint Research Program of Shanxi Province(No.2014081028)Scientific and Technologial Innovation Programs of Higher Education Institutions of Shanxi Province
文摘To improve the performance of traditional mechanical shock absorber, a new type of high molecular polymer is formulated and applied to overloaded vehicle shock absorber. According to the operating principle of high-performance viscoelastic material shock absorber, the geometrical structure of shock absorber is designed and machined. Then its theoretical model is derived by using analytical method, and the impact test is carried out on high-performance viscoelastic material shock absorber. The results show that experimental and theoretical damping force curves have good agreement, which validates the credibility of theoretical model. The investigation provides a potential way to enhance damping performance and increase vehicle load.