FREE VIBRATION ANALYSIS OF THE FUNCTIONALLY GRADED STEPPED CYLINDRICAL SHELLS USING THE CONTINUOUS ELEMENT METHOD=FREE VIBRATION ANALYSIS OF THE FUNCTIONALLY GRADED STEPPED CYLINDRICAL SHELLS USING THE CONTINUOUS ELEMENT METHOD

• Tác giả: Quang Vinh Le, Manh Cuong Nguyen, Thi Thu Huong Truong
• Ngôn ngữ: eng
• Thông tin xuất bản: Tạp chí Khoa học & Công nghệ - Trường Đại học Công nghiệp Hà Nội, 2024
• Mô tả vật lý: tr.226
• Bộ sưu tập: Metadata
• ID: 479049

Tóm tắt

This research presents a continuous element model for solving vibration problems of functional graded (FG) stepped cylindrical shells (SCS). Based on the First Order Shear Deformation Theory (FSDT) and the equations of the FG cylindrical shells, the dynamic stiffness matrix is obtained for each segment of the shell having constant thickness. The interesting assembly procedure of continuous element method (CEM) is employed for joining those segments in order to analyze the dynamic behavior of the FG cylindrical. Free vibrations of different configurations of FG stepped cylindrical shells are examined. Effects of the power-law exponent p, FG materials properties on the free vibration of FG stepped cylindrical shells are also presented. The advantages of Continuous Element model are confirmed in terms of precision as well as its performance when dealing with complex FG structures.