Structural Intensity Characterization of Composite Laminates Subjected to Impact Load

• Published in: Shanghai jiao tong da xue xue bao Vol. 13; no. 3; pp. 375 - 380
• Main Author: 王东方 贺鹏飞 刘子顺
• Format: Journal Article
• Language: English
• Published: Heidelberg Shanghai Jiaotong University Press 01.06.2008; School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai 200092, China%Institute of High Performance Computing, Singapore
• Subjects: Architecture; Computer Science; Electrical Engineering; Engineering; Life Sciences; Materials Science; 功率通量; 振动控制; 结构噪声; 结构强度; structural intensity; structural noise; power flow; vibration control; TB 53
• ISSN: 1007-1172; 1995-8188
• DOI: 10.1007/s12204-008-0375-2

Structural intensity （SI） characterization of composite laminates subjected to impact load was discussed. The SI pattern of the laminates which have different fiber orientations and boundary conditions was analyzed. The resultant forces and velocities of the laminates were calculated, and the structural intensity was evaluated. The SI streamlines of carbon fiber reinforced epoxy composite laminates and the steel plates were discussed. The results show that the SI streamlines of the graphite/epoxy laminates are different from that of the steel plates, and the SI streamlines are influenced by the boundaries, the stacking sequence of the composite laminates. The change of the historical central displacement of the graphite/epoxy laminates is fasten than that of the steel plates.