基于生死单元技术与参数化设计的移动质量作用下船体及浮桥的振动特性研究

Study on Vibration Characteristics of Ship and Floating Bridge under Moving Mass Based on Elements Kill and Alive Technology and Parametric Design

为研究快速移动质量作用下的浮桥或航母甲板的振动特性,基于生死单元技术及参数化设计方法,应用ANSYS Parameter Design Language(APDL)计算分析快速移动质量作用下单跨梁的动力响应,并基于计算结果对梁的动力响应及安全性进行分析和评估。结果表明,快速移动质量作用下的浮桥或甲板的动力响应与固定质量作用下的动力响应明显不同。

In order to study the vibration characteristics of floating bridge or aircraft carrier deck under fast moving mass,the structure was simplified as a single-span beam under fast moving mass.Based on the elements kill and alive technique and parametric design method,the dynamic response of single-span beam under fast moving mass was calculated and analyzed by ANSYS parameter design language(APDL)to evaluate its safety.The results showed that the dynamic response of floating bridge or deck under fast moving mass is obviously different from that under fixed mass.