Mode-superposition methods in dynamic analysis of classically and non-classically damped linear systems

✍ Scribed by G. Borino; G. Muscolino

• Publisher: John Wiley and Sons
• Year: 1986
• Tongue: English
• Weight: 668 KB
• Volume: 14
• Category: Article
• ISSN: 0098-8847
• DOI: 10.1002/eqe.4290140503

✦ Synopsis

Mode-superposition analysis is an efficient tool for the evaluation of the response of linear systems subjected to dynamic agencies. Two well-known mode-superposition methods are available in the literature, the mode-displacement method and the mode-acceleration method. Within this frame a method is proposed called a dynamic correction method which evaluates the structural response as the sum of a pseudostatic response, which is the particular solution of the differential equations, and a dynamic correction evaluated using a reduced number of natural modes.

The greater accuracy of the proposed method with respect to the other methods is evidenced through extensive numerical tests, for classically and non-classically damped systems. ~ Consultant Engineer. Researcher.