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Development of an integrated BEM approach for hot fluid structure interaction

Author
Dunn, Michael G.
Published
Jan 13, 1988.
Physical Description
1 electronic document
Additional Creators
Dargush, Gary F. and Banerjee, Prasanta K.
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
Significant progress was made toward the goal of developing a general purpose boundary element method for hot fluid-structure interaction. For the solid phase, a boundary-only formulation was developed and implemented for uncoupled transient thermoelasticity in two dimensions. The elimination of volume discretization not only drastically reduces required modeling effort, but also permits unconstrained variation of the through-the-thickness temperature distribution. Meanwhile, for the fluids, fundamental solutions were derived for transient incompressible and compressible flow in the absence of the convective terms. Boundary element formulations were developed and described. For the incompressible case, the necessary kernal functions, under transient and steady-state conditions, were derived and fully implemented into a general purpose, multi-region boundary element code. Several examples were examined to study the suitability and convergence characteristics of the various algorithms.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19880004002.
Accession ID: 88N13384.
NAS 1.26:181577.
NASA-CR-181577.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15696556