Reduction of computational cost in fluid-structure interaction modelling using piston theory
Abstract eng: A brief overview of the role of piston theory in modelling fluid-structure interaction for supersonic flows is given. A general formulation of piston theory for planar flows is introduced, from which the commonality and differences between classical and local piston theory are highlighted. The application of Local Piston Theory (LPT) to the flutter prediction of a cantilevered plate is illustrated, with the accuracy of prediction assessed relative to both experiment and to computational fluid dynamics. The flutter dynamic pressure is predicted by shock-expansion LPT to within 10% of the experimental value for 140 times lower computational cost compared to the unsteady Euler solution, which is accurate to within 5% of experiment.
Publisher:
Taylor and Francis Group, London, UK
Conference Title:
Conference Title:
Sixth International Conference on Structural Engineering, Mechanics and Computation
Conference Venue:
Cape Town, South Africa
Conference Dates:
2016-09-05 / 2016-09-07
Rights:
Text je chráněný podle autorského zákona č. 121/2000 Sb.
Record appears in:
Record created 2016-09-20, last modified 2016-09-20
guest ::
