FRACTURE MECHANICS BASED METHOD FOR COMPOSITE DAMAGE TOLERANCE CRITERIA

A system and method to substantiate safe-life criteria of a structure with an anomaly includes a flaw in a critical loaded region of a test structure; a processor; and memory having instructions stored thereon that, when executed by the processor, cause the system to receive first signals indicative...

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Hauptverfasser:	Byrnes Fran, Meyer Leon M, Chen Yih-Farn
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING MEASURING PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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creator	Byrnes Fran Meyer Leon M Chen Yih-Farn
description	A system and method to substantiate safe-life criteria of a structure with an anomaly includes a flaw in a critical loaded region of a test structure; a processor; and memory having instructions stored thereon that, when executed by the processor, cause the system to receive first signals indicative of strain energy release rates (SERR) for the flaw at the critical loaded region of a test structure; fit the first signals for the flaw SERR to a Benzeggah-Kenane (B-K) mixed mode curve shape; determine values indicative of B-K criteria of the test structure in response to the fitting of the first signals; receive second signals indicative of SERR for the production structure; and compare the second signals with the B-K criteria of the test structure to substantiate the safe-life criteria.
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subjects	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING MEASURING PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
title	FRACTURE MECHANICS BASED METHOD FOR COMPOSITE DAMAGE TOLERANCE CRITERIA
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