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Title: Application of parallel processing to probabilistic fracture mechanics analysis of gas turbine disks
Authors: Constantinides, Georgios 
Millwater, Harry R. 
Shook, Brian D. 
Keywords: Gas-turbine disks;Random variables;Finite element method;Gas-turbines;Machine design;Fracture mechanics
Field: Engineering and Technology
Issue Date: 2004
Publisher: American Institute of Aeronautics and Astronautics, Inc.
Source: Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, 2004, vol. 4, pp. 2543-2552
Journal: Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference 
Abstract: A parallel processing methodology is developed and applied to improve the efficiency of probabilistic fracture mechanics analyses of gas turbine disks subject to metallurgical defects. A parallel processing spatial decomposition approach using a network of workstations and personal computers is described whereby each computer analyzes a region of the disk. The individual analyses are then combined to obtain the probability of fracture of the total disk. Practical implementation issues of job scheduling and optimum file size are addressed. Numerical applications are presented that demonstrate the methodology. This capability can significantly facilitate efficient evaluations of gas turbine rotor designs.
ISSN: 0273-4508
DOI: 10.2514/6.2004-1745
Collaboration : University of Texas at San Antonio
Rights: © American Institute of Aeronautics and Astronautics
Attribution-NonCommercial-NoDerivs 3.0 United States
Type: Article
Appears in Collections:Άρθρα/Articles

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