Elastic Response of a Cylinder Containing Longitudinal Stiffeners
Abstract
This report develops a three-dimensional analytical model of a cylinder that contains a longitudinal stiffener The model begins with the equations of motion for a fully-elastic solid that produces displacement fields with unknown wave propagation coefficients. These are inserted into stress and displacement equations at the cylinder boundaries and at the location of the stiffener. Orthogonalization of these equations produces an infinite number of indexed algebraic equations that can be truncated and incorporated into a global matrix equation. Solving this equation yields the solution to the wave propagation coefficients and allows the systems' displacements and stresses to be calculated. The model is verified by comparison of the results of a plane strain analysis example to a solution generated using finite element theory. An example problem is formulated and the displacement results are illustrated. The inclusion of multiple stiffeners is discussed.
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 11, 2011
- Accession Number
- ADA542314
Entities
People
- Andrew John Hull
Organizations
- Naval Undersea Warfare Center