10 فروردین 1403
پرويز ملك زاده

پرویز ملک زاده

مرتبه علمی: استاد
نشانی: دانشکده مهندسی - گروه مهندسی مکانیک
تحصیلات: دکترای تخصصی / مهندسی مکانیک
تلفن: 077-31222166
دانشکده: دانشکده مهندسی

مشخصات پژوهش

عنوان Effects of cutout and thermal environment on vibration of FG cylindrical micropanels based on the three-dimensional MCST
نوع پژوهش مقالات در نشریات
کلیدواژه‌ها
Three-dimensional elasticity theory; Cylindrical micropanel; Cutout; MCST; Chebyshev-Ritz method
مجله Journal of the Brazilian Society of Mechanical Sciences and Engineering
شناسه DOI https://doi.org/10.1007/s40430-021-02935-4
پژوهشگران محمدباقر حسینی (نفر اول) ، پرویز ملک زاده (نفر دوم)

چکیده

The effects of a cutout and thermal environment on the three-dimensional vibration characteristics of functionally graded cylindrical micropanels with different boundary conditions are investigated. The micropanel material properties are assumed temperature dependent and graded in the thickness direction. The motion equations are based on the modified couple stress theory in combination with the three-dimensional elasticity theory. The frequency equations are derived using the Chebyshev–Ritz method. The multiple boundary conditions are implemented by suitably choosing the Ritz basis functions. The reliability and accuracy of the results are confirmed by comparing them with available solutions in the open literature. Finally, the effects of material length scale parameter, material gradient index, thickness-to-mean radius ratio, cutout length to micropanel length ratio, temperature rise and boundary conditions on the natural frequencies of the micropanels are carried out and discussed.