![]() In the fracture simulation, the influence of the size of a single edged crack as well as the rotational velocity on fracture parameters (stress intensity factors and J-Integral) are evaluated. Taking advantage of high performance computing resources, a high fidelity finite element model is considered in the parametric investigation. Once the crack front is perfectly defined and validated, a free vibration study is conducted by analyzing the natural frequencies and modeshapes for both a single blade and bladed disk system. The static fracture analysis is verified with a special purpose fracture code (FRANC3D). ![]() ![]() An open crack model is considered in the study and crack-tip driving parameters are estimated by using 3-D singular crack-tip elements in ANSYS \(\circledR \). This paper presents a methodology for conducting a 3-D static fracture analysis with applications to a gas turbine compressor blade.
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