基于集中参数网络的基座阻抗等效方法研究

详细信息    查看官网全文

• 英文论文题名：The equivalent method of the foundation impedance based on the network of the concentrate parameters
• 论文作者：游彩霞 ; 何雪松 ; 邢军华 ; 王晴
• 英文论文作者：YOU Cai-xia ; HE Xue-song ; XING Jun-hua ; WANG Qing ; School of Automobile and Traffic Engineering ; Wuhan University of Science & Technology ; China Ship Development and Design Center ; National Key Laboratory on Ship Vibration & Noise
• 年：2016
• 作者机构：武汉科技大学;中国舰船研究设计中心船舶振动噪声重点实验室;
• 论文关键词：隔振系统 ; 基座 ; 集中参数网络 ; 有限元 ; 浮筏
• 英文论文关键词：isolation system ; machinery base ; network of concentrate parameters ; FEM ; floating raft
• 会议召开时间：2016-09-17
• 会议录名称：2016年度声学技术学术会议论文集
• 语种：中文
• 分类号：U674.703
• 学会代码：SXJS
• 会议名称：2016年度声学技术学术会议
• 会议地点：中国湖北武汉
• 主办单位：船舶振动噪声重点实验室、湖北省声学学会
• 学会名称：《声学技术》编辑部
• 页数：3
• 文件大小：457k
• 原文格式：D
• 会议级别：全国

摘要

浮筏隔振系统是舰船上最主要、最有效的减振降噪措施之一,高精度浮筏隔振系统建模分析方法是其设计的主要工具,其中,隔振系统基座建模是影响分析精度的关键一环。由于实际基座模型和边界条件比较复杂,其有限元模型通常难以精确建立。本文提出一种基座等效方法,基于基座安装点的原点及传递导纳矩阵测试结果,构造一个由弹簧和阻尼组成的集中参数网络矩阵,精确等效基座的动力学特性,消除浮筏隔振系统建模中由于基座模拟带来的误差。
The floating raft isolator system is the most effective measure of vibration damping in ship. High precision modeling method for the floating raft isolator system is the basic tool of the design of it, which is the key influence of the analyzing precision in the modeling of the basement. The FEM model of the basement cannot be precisely established because of the complex of the actual boundary conditions. Based on the test data of the impedance matrix of the basement mount point, the equivalent method of modeling the basement was proposed and established a network matrix of the concentrate parameters factors composed by spring and damping, which can precisely imitate the dynamic characteristics of the basement and eliminate the error produced by the imitating of the basement in the modeling of the floating raft isolator system.

引文

[1]吴祟健,杜堃,张京伟等.浮筏隔振系统的设计方法[J].舰船工程研究,1996,74(3),37-45.WU Chongjian,DU Kun,ZHANG Jingwei.The design method of the floating raft isolator system[J].Ship Engineering Research,1996,74(3),37-45.
    [2]徐志云,吴崇健,付爱华.浮筏隔振效果估算方法研究[J].舰船科学技术(增刊),2006,28(2):64-68.XU Zhiyun,WU Chongjian,FU Aihua.Estimates for the vibration isolation efficiency of the floating raft isolator system[J].Ship Science and Technology,2006,28(2):64-68.
    [3]李红钢,彭旭,余永丰.浮筏隔振效果理论计算与试验研究[J].舰船科学技术(增刊),2006,28(2):73-76.LI Honggang,PENG Xu,YU Yongfeng.Theoretical calculation and experimental research on the isolation level of floating raft[J],Ship Science and Technology.2006,28(2):73-76.
    [4]陈志刚,吴崇健,曾革委,等.有限元法机械阻抗分析筏架响应特性[J].舰船工程研究,2005,3(1):6-11.CHEN Zhigang,WU Chongjian,ZENG Gewei.Mechanical impedance analysis of floating raft response characteristics based on finite element method[J].Ship Engineering Research,2005,3(1):6-11.
    [5]张满满,徐志云,等.船用辅机浮筏动态特性有限元分析[J].噪声与振动控制,2002,(4):24-26ZHANG Manman,XU Zhiyun.Finite Element Analysis of Dynamic Characters of the Floating Raft for Auxiliary Engines on Ship[J].Noise and Vibration Control.2002,(4):24-26
    [6]何雪松.浮筏隔振系统动力学建模精度问题探讨[J].声学技术(增刊),2014,33(S1):48-50HE Xuesong.The Discussion on the precision of floating raft isolator system modeling[J].Technical Acoustics.2014,33(S1),48-50
    [7]彭伟才,刘彦,原春晖.浮筏隔振系统有限元模型中基座的等效方法[J].中国舰船研究,2012,7(3):89-92PENG Weicai,LIU Yan,YUAN Chunhui.Equivalent Machinery Base Method for Finite Element Analysis of Floating Raft Isolation System[J].Chinese Journal of Ship Research,2012,7(3):89-92