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What is Missing Mass in Dynamic Analysis about?

This document discusses the concept of "missing mass" in dynamic analysis of structures. It explains that truncating modes introduces errors, and the missing mass method assesses the response of truncated modes. It provides details on calculating the contribution of rigid and flexible modes, and how major structural analysis software like STAAD implements missing mass corrections in response spectrum analysis and time history analysis.

Author

Khanthavel B K

Language

EN