Multi-Body Approach to the Dynamic Analysis of Space Structures with Actuated Components
Abstract
High-fidelity, finite-element-based dimensionally reduced models have been constructed for composite plates and shells, including hydrothermal and piezoelectric effects, under the sponsorship of AFOSR. In these models, the smallness of the thickness has been used to advantage to rigorously reduce the original three-dimensional geometrically nonlinear elasticity theory to two-dimensional Reissner-Mindlin type theory for plates and shells. The resulting theory can achieve an accuracy comparable to higher-order layerwise theories at the cost of only a first-order shear deformation theory. The dimensional reduction process and the recovery relations for the original three-dimensional displacements/strains/stresses are implemented in a finite-element code, Variational Asymptotic Plate and Shell Analysis (VAPAS). This program is connected with DYMORE, a nonlinear finite-element based multi-body dynamic code to provide an efficient and accurate simulation capability for space systems involving composite and inflatable components with actuated elements which are required for current and future Air Force missions.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 2001
- Accession Number
- ADA420094
Entities
People
- Oliver A. Bauchau
Organizations
- Georgia Tech Research Corporation