Vibration-Damping Structural Member
Abstract
A structural element or member is disclosed that resists or damps vibration from loads applied along a given axis without significantly sacrificing stiffness, through the use of stress coupling within an anisotropic material. Essentially, the structural member comprises alternating layers or laminates of stiff and viscoelastic or damping material bonded together to form a laminated structure. The laminated structural member is oriented to receive the applied load in a direction that is parallel to the laminates. At least one of the stiff laminates shows anisotropic behavior when acted upon by the axial load, causing shear strain and concomitant transverse displacement therewithin, thereby loading the viscoelastic laminate in shear.
Document Details
- Document Type
- Technical Report
- Publication Date
- Feb 11, 1992
- Accession Number
- ADD019878
Entities
People
- David J. Barrett
Organizations
- Naval Air Warfare Center