欢迎登录材料期刊网

材料期刊网

高级检索

讨论了电流变夹层梁在考虑电流变材料层横向可压缩时的动力学特性.在建模过程中将电流变材料视为可压缩的粘弹性材料,假设电流变材料层的横向位移随厚度变化.基于一阶剪切变形理论和能量方法建立了电流变夹层梁的挤压-剪切动力学模型,并采用有限元方法进行了离散求解.通过对悬臂梁的仿真和实验分析得出:在电流变夹层梁的振动过程中,上、下约束层的横向位移并不完全相等,在低频阶段相差不大,但在高频阶段较为明显;加大外加电场的强度,可以减小横向位移的差值;而电流变层厚度的增加,将使横向位移的差值加大.

参考文献

[1] Berg C D,Evans L F,Kermode P R.Composite structure analysis of a hollow cantilever beam filled with electro-rheological fluid [ J].Journal of Intelligent Material Systems and Structures,1996,7(5):494-502.
[2] Yalcintas M,Coulter J P.Analytical modeling of electrorheological material based adaptive beams [J].Journal of Intelligent Material Systems and Structures,1995,6(4):488-497.
[3] Yalcintas M,Coulter J P.Electrorheological material based adaptive beams subjected to various boundary conditions [J].Journal of Intelligent Material Systems and Structures,1995,6(5):700-717.
[4] Don D L,Coulter J P.Analytical and experimental investigation of electrorheological material based adaptive beam structures[J].Journal of Intelligent Material Systems and Structures,1995,6(6):846-853.
[5] Leng J S,Asundi A.Active vibration control system of smart structures based on FOS and ER actuator [J].Smart Materials and Structures,1999,8(2):252-256.
[6] 任建亭,闫云聚,姜节胜.电流变夹层梁的动力学分析[J].复合材料学报,2002,19(3):114-119.Ren J T,Yan Y J,Jiang J S.Analytic modeling of an electrorheological sandwich beam [J].Acta Materiae Compositae Sinica,2002,19(3):114-119.
[7] 鲁宏权,孟光.电流变夹层板结构的动态特性分析[J].西北工业大学学报,2002,18(3):452-456.Lu H Q,Meng G.Study on the dynamic properties of a sandwich plate with electro-rheological fluid [J].Journal of Northwestern Polytechnical University,2000,18(3):452-456.
[8] Yeh J Y,Chen L W,Wang C C.Dynamic stability of a sandwich beam with a constrained layer and electrorheological fluid core [J].Composite Structures,2004,64(1):47-54.
[9] Plagianakos T S,Saravanos D A.High-order layerwise mechanics and finite element for the damped dynamic characteristics of sandwich composite beams [J].International Journal of Solids and Structures,2004,41(24-25):6853-6871.
[10] Sun D,Tong L.A compressional-shear model for vibration control of beams with active constrained layer damping [J].International Journal of Mechanical Sciences,2004,46 (9):1307-1325.
[11] Frostig Y,Thomsen O T.High-order free vibration of sandwich panels with a flexible core [J].International Journal of Solids and Structures,2004,41 (5-6):1697-1724.
[12] Demiray S,Becker W,Hohe J.A triangular v.Kármán type finite element for sandwich plates with transversely compressible core [J].Computer Methods in Applied Mechanics and Engineering,2004,193(23-26):2239-2260.
[13] Kamath G M,Wereley N M.Nonlinear viscoelastic-plastic model for electrorheological fluids [J].Smart Materials and Structures,1997,6(3):351-359.
[14] Baber T T,Maddox R A,Orozco C E.Finite element model for harmonically excited viscoelastic sandwich beams [J].Computers and Structures,1998,66(1):105-113.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%