Abstract

n 2009, Air Force Research Lab (AFRL) Structural Sciences Center (SSC) initiated a multi-phase program to identify the knowledge gaps in the predictive capability for response and life prediction of hypersonic structures. This effort was released under the Air Vehicle Integration and Technology Research (AVIATR) contract Delivery Order program, in which Boeing Research & Technology (BR&T) was selected to participate in the study. The objective of this first phase is to identify gaps in structural analysis and life prediction methods applied to reusable, integrated structures for sustained operations in hypersonic environments. The approach is to document the knowledge gaps, analysis assumptions, and the work-around solutions on recent hypersonic designs. This paper summarizes the important finding of this Phase I effort. This includes the knowledge gaps, analysis assumptions, needed capabilities to address the gaps, and structural benefits if the capabilities are developed. The details of this study can be found in Reference [1].

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