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航空学报  2013 

FGM板三维层合模型及热-噪声载荷下的动态响应研究

DOI: 10.7527/S1000-6893.2013.0232, PP. 1293-1300

Keywords: 功能梯度材料板,层合有限元模型,热-噪声载荷,动态响应分析,非线性跳变,仿真

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Abstract:

为了有效地分析热-噪声联合载荷作用下的飞行器功能梯度壁板结构的非线性动态响应,提出了运用复合材料多层壳单元建立功能梯度材料(FGM)板的层合有限元建模新方法,研究了FGM板在热曲屈前、后状态下复杂的非线性时域动态响应特性,并探讨了梯度指数、热曲屈系数及声压级(SPL)等参数对FGM板非线性动态跳变响应的影响规律。FGM板三维层合建模新方法避免了采用常规有限元法(FEM)建模时需要在厚度方向划分大量单元的缺点;求解FGM板非线性动态响应时采用的隐式积分方案避免了模态叠加法对参与模态选择的经验性要求及模态截断造成的信息丢失等缺陷。仿真结果表明FGM板层合有限元建模新方法合理可行、过程简便、计算精度高;研究发现陶瓷-金属FGM板在热屈曲后的抗声振性能并不像热屈曲前那样介于金属板和陶瓷板之间,而是表现最差;热屈曲系数及声压级的组合形式是导致FGM板发生非线性跳变响应的主要影响因素。

References

[1]  Hao Y X, Chen L H, Zhang W. Nonlinear oscillations, bifurcations and chaos of functionally graded materials plate[J]. Journal of Sound and Vibration,2008,312(4/5): 862-892.
[2]  Zhang W, Hao Y X, Guo Xingying, et al. Complicated nonlinear responses of a simply supported FGM rectangular plate under combined parametric and external excitations[J]. Meccanica,2012,47(4):985-1014.
[3]  Ibrahim H H, Yoo H H, Tawfik M, et al. Thermo-acoustic random response of temperature-dependent functionally graded material panels[J]. Comput Mech, 2010,46(3):377-386.
[4]  胡亚琪,贺尔铭,张钊.限带高斯白噪声声压时程模拟的修正三角级数法[J].航空计算技术,2012,42(1):35-38.
[5]  Kashtalyan M, Menshykova M. Three-dimensional elasticity solution for sandwich panels with a functionally graded core[J]. Compos Struct,2009,87(1):36-43.
[6]  Prekop A, Rizzi S A, Sweitzer K A. An investigation of high-cycle fatigue models for metallic structures exhibiting snap-through response[R]. AIAA-2007-2204.
[7]  Jacobson M J, Maurer O F. Oil canning of metallic panels in thermal-acoustic environments[R]. AIAA-74-982.
[8]  Sankar B V, Tzeng J T. Thermal stresses in functionally graded beams[J]. AIAA Journal,2002,40(6):1228-1232.
[9]  曹志远. 不同边界条件功能梯度矩形板固有频率解的一般表达式[J].复合材料学报,2005,22(5):172-177.
[10]  Wang H M, Ding H J. Transient responses of a magneto-electro-elastic hollow sphere for fully coupled spherically symmetric problem[J]. European Journal of Mechanics-A/Solids,2006,25(6):965-980.
[11]  Gao L M, Wang J, Zhong Z, et al. An analysis of surface acoustic wave propagation in functionally graded plates with homotopy analysis method. Acta Mechanica, 2009, 208(3-4):249-258.
[12]  朱昊文, 李饶臣, 杨昌锦. 功能梯度压电材料板的有限元解[J].力学季刊,2005,26(4):567-571.
[13]  仲政, 吴林志, 陈伟球. 功能梯度材料与结构的若干力学问题研究进展[J].力学进展,2010,40(5):528-541.
[14]  Ferreira A J M, Batra R C, Roque C M C, et al. Static analysis of functionally graded plates using third-order shear deformation theory and a meshless method[J]. Compos Struct,2005,69(4):449-457.
[15]  Qian L F, Batra R C, Chen L M. Static and dynamic deformations of thick functionally graded elastic plate by using higher-order shear and normal deformable plate theory and meshless local Petrov-Galerkin method[J]. Composites Part B Engineering,2004,35(6-8):685-697.
[16]  顾元通, 丁桦. 无网格法极其最新进展[J].力学进展,2005,35(3):323-337.
[17]  Ng C F, Clevenson S A. High-intensity acoustic tests of a thermally stressed plate[J]. Journal of Aircraft,1991,28 (4):275-281.
[18]  Murphy K D, Virgin L N, Rizzi S A. Experimental snap-through boundaries for acoustically excited, thermally buckled plates[J]. Experimental Mechanics,1996,34 (4):312-317.
[19]  Murphy K D, Virgin L N, Rizzi S A. Charactering the dynamic response of a thermally loaded, acoustically excited plate[J]. Journal of Sound and Vibration,1996, 196(5):635-658.
[20]  Istenes R R, Rizzi S A, Wolfe H F. Experimental nonlinear random vibration results of thermally buckled composite panels[C]. 36th AIAA/ASME/ASCE/AHS Structures, Structural Dynamics and Materials Conference. New Orleans, Louisiana,10-13 April 1995.
[21]  Woo J, Meguid S A, Ong L S. Nonlinear free vibration behavior of functionally graded plates[J]. Journal of Sound and Vibration,2006,289(3):595-611.
[22]  Parveen G N, Reddy J N. Nonlinear transient thermoelastic analysis of functionally graded ceramic-metal plates[J]. International Journal of Solids Structures, 1998,35(33):4457-4476.

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