NONLINEAR TRANSIENT RESPONSE OF A PERFORATED FGM PLATE UNDER THERMO-MECHANICAL CONDITIONS

被引:0
|
作者
Kumar, Dinesh [1 ]
Sharma, Kanishk [2 ]
Prajapat, Gourav [3 ]
机构
[1] Malaviya Natl Inst Technol, Mech Engn Dept, Jaipur 302017, India
[2] JECRC Univ, Mech Engn Dept, Jaipur 303905, India
[3] RTU, Univ Coll Engn, Mech Engn Dept, Kota 324006, India
来源
关键词
functionally graded material; nonlinear transient response; dynamic response; thermo-mechanical analysis of FGM; finite element analysis; FGM plate with hole; FUNCTIONALLY GRADED PLATES; FINITE-ELEMENT FORMULATION; LAMINATED COMPOSITE PLATES; HIGHER-ORDER SHEAR; DYNAMIC-RESPONSE; THERMAL-STRESSES; 3-DIMENSIONAL SOLUTION; RECTANGULAR-PLATE; THERMOELASTIC ANALYSIS; CYLINDRICAL-SHELLS;
D O I
10.1615/CompMechComputApplIntJ.2023047401
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
The present study is aimed to investigate the nonlinear transient response of an aluminum-zirconia functionally graded material (FGM) plate with a central circular hole under thermo-mechanical loadings. The nonlinear formulation is based on the first-order shear deformation plate theory along with geometric nonlinearity incorporated in the von Karman sense. The finite element numerical technique is employed to solve approximately the governing equations of motion derived through Hamilton's principle. A MATLAB program, developed to carry out the investigation, is verified for accuracy by comparing the results with those reported in the literature-under mechanical and thermo-mechanical loadings. Numerical results are presented to show the effect of various parameters, viz. material gradation exponent, geometric variables, hole size, and boundary conditions, on the nonlinear transient response of the FGM plate. It is found that the material gradation exponent has a noticeable effect on the transverse deflection of vibration of the FGM plate with a hole, but the frequency of vibration is not affected much. Further, with the increase in the size of hole in the FGM plate, the amplitude of its vibration decreases while the frequency of vibration increases.
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页码:1 / 29
页数:29
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