A Contact Nonlinear Thermo-Structure Fully-Coupled Simulation for Nozzle Based on One-Time Adhesive Failure
Applied Mechanics and Materials(2015)
Abstract
To simulate a fully-coupled thermo-structure of a nozzle with adhesive failure, a flow field result is obtained based on a grid-independent check. The heat transfer coefficient along the nozzle is gained by Bartz formulation as an initial condition for thermo-structure simulation. A check for interface failure based on the adhesive, GD414, property is done to investigate the failure behavior, also to gain a simplified interface treatment. The gaps are chosen by experience. Then the simulation is carried out. The results show that gaps can release the stress of the interfaces while it can’t affect the whole stress distribution too much. The method is suggested to be used in the future and a more reasonable method is suggested.
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Key words
nozzle,thermo-structure,fully-coupled,one-time
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