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KEY TERMS:
NASGRO®
FLAGRO
life assessment
crack growth
fracture
mechanics
damage tolerance
structural integrity
analysis
materials
database
consortium
software
stress intensity
factor
boundary element
method
fracture control
critical crack size
NASA

Fracture Mechanics and Fatigue Crack Growth Analysis Software

NASGRO® is a suite of programs used to:

  • Analyze fatigue crack growth and fracture

  • Perform assessments of structural life

  • Process and store fatigue crack growth properties

  • Analyze fatigue crack formation (initiation)

 

In 2003, NASGRO® Version 4.0 received the NASA Software of the Year Award and an R&D 100 Award from R&D Magazine as one of the 100 most technologically significant new products of the year.

NASGRO Version 7.0 was released on November 28, 2012. Version 7.01 (a bug fix for v7.0) was released on January 6, 2014.

NASGRO is licensable for a fee. Over 490 single-seat licenses to NASGRO have been obtained by a wide range of users from different industries.

The materials database includes a large set of crack growth rate and fracture toughness data. The stress intensity factor library provides models for over 78 different crack geometries.

NASGRO was originally developed at the NASA Johnson Space Center to perform fracture control analysis on NASA space systems. A growing interest in NASGRO among a variety of industrial users motivated NASA to develop a new partnership with industry. NASA and Southwest Research Institute® (SwRI®) have signed a Space Act Agreement under which SwRI formed and manages a consortium to provide guidance and support for future NASGRO development and user services. The NASGRO Consortium is now in its fifth three-year cycle (2013-2016).


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Last Updated: 04/15/2014

Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 11 technical divisions.