Simulation of First Mode Crack Propagation in a Viscoelastic Solid System Fuel Structure Using Crack Length-Temperature Superimposition

Muhammad Omair; Khalid Parvez; Muhammad Azam

doi:10.4028/www.scientific.net/AMR.476-478.2561

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 476-478Simulation of First Mode Crack Propagation in a...

Simulation of First Mode Crack Propagation in a Viscoelastic Solid System Fuel Structure Using Crack Length-Temperature Superimposition

Abstract:

Fractures in Solid system fuel structure pose a huge risk to structural integrity of the system. Ansys APDL scripting language has been used to analyze fractures with different geometry, material and loading. Parameterization of simulations resulted in developing a tool for solid fuel system designers to perform a quick fracture analysis during their design iterations. Numerical simulation results have been compared with the experimental data and a good agreement between the two has been found, ascertaining our numerical approach for the assessment of the problem. Crack length-Temperature superimposition has been performed to obtain master curves for the data, which can be used to predict stress intensity factor at different crack lengths.

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Periodical:

Advanced Materials Research (Volumes 476-478)

Pages:

2561-2566

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.476-478.2561

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Online since:

February 2012

Authors:

Muhammad Omair, Khalid Parvez, Muhammad Azam

Keywords:

Ansys APDL, First Mode Stress Intensity Factor, Parametric Modeling, Viscoelasticity, Williams-Landel-Ferry Model

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