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Ansys software with crack11/30/2022 I have constrained the bottom surface of the test piece and applied a vertical force of 1.5E5N. Each of these probes will produce an XY plot. I have also included a crack extension probe to monitor the crack growth. These values are secondary for this configuration but may become important for a crack that changes direction significantly with a resulting shear stress environment. I have also included a probe for the in-plane shearing Mode 2, which calculates K II as SIFS (K2). The probe SIFS (K1) reports these values. The main fracture mechanism in this model is the crack tensile opening Mode 1, which calculates K I. 4 shows output requests and includes general stress and displacement contours as well as fatigue-specific probes. The Failure Criteria can also be set to the J-Integral method.įig. This calculation is done along the distributed crack front, and the distribution of Stress Intensity Factor will control the adapting crack front shape. The crack will propagate when the calculated Stress Intensity Factor, K exceeds the Fracture Toughness K c. The Stress Intensity Factor method is selected in this case. The Pre-Meshed crack object is selected, the option to carry out a Static Fatigue analysis is chosen and the Critical Fracture Toughness is defined. SMART Crack Growth is selected, and the menu is shown in Fig.
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