Influence of the Notch Length on the Optimal Radial Location of Strain Gage in a Single Edged Notched Plate

摘要

For estimation of accurate mode I stress intensity factor in a single edged notched plate, it is important to place the strain gage within a maximum permissible radial distance r_(max). In the present paper, it is aimed to study how the notch length affects this parameter r_(max). A finite element based procedure is developed based on theoretical formulation analogous to Dally and Sanford technique for cracks. Results show that both notch length and the net ligament length have significant influence on r_(max) and some interesting observations have been reported.