Solution of the free vibration equation of a multi span bridge deck by local estimation method

• Published in: Engineering structures Vol. 48; pp. 695 - 703
• Main Authors: Guebailia, M., Ouelaa, N., Guyader, J.L.
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 01.03.2013; Elsevier
• Subjects: Applied sciences; Beams (structural); Boundary conditions; Bridge; Bridge elements; Bridges; Bridges (structures); Buildings. Public works; Equations of motion; Estimate local method; Exact sciences and technology; Free vibration; Mathematical analysis; Mathematical models; Mode shape; Natrual frequency; Roadways; Stresses. Safety; Structural analysis. Stresses; Mode shape; Natrual frequency; Bridge; Estimate local method; Validation; Dynamic characteristic; Bridge span; Free vibration; Modeling; Natural frequency; Vibration effect; Example; Bridge deck; Road bridge

► Solve the motion equation only once using a simple criterion for the optimal position. ► The optimal position coincides with the mode shape maximum amplitude of the beam. ► This approach minimizes drastically the computing time, produces satisfactory results. ► Good concordance results comparable...