A comparison between numerical and approximate methods for rapid calculation of NSIFs
To more rapidly predicting the integrity of components weakened by sharp notches, notch
stress intensity factors (NSIFs) are usually evaluated. Many methods have been proposed
evaluating NSIFs, ranging from the stress gradient based formulation to methods evaluating
strain energy density averaged over a control region. Here, we compare different numerical
and approximate methods applied to a square plate with a 45° tilted crack, positioned at the
center of the plate. Hence, approximate methods need to FE solutions, obtained from …
stress intensity factors (NSIFs) are usually evaluated. Many methods have been proposed
evaluating NSIFs, ranging from the stress gradient based formulation to methods evaluating
strain energy density averaged over a control region. Here, we compare different numerical
and approximate methods applied to a square plate with a 45° tilted crack, positioned at the
center of the plate. Hence, approximate methods need to FE solutions, obtained from …
A comparison between numerical and approximate methods for rapid calculation of NSIFs
K Solberg, M Lepore, F Berto - 2019 - ntnuopen.ntnu.no
To more rapidly predicting the integrity of components weakened by sharp notches, notch
stress intensity factors (NSIFs) are usually evaluated. Many methods have been proposed
evaluating NSIFs, ranging from the stress gradient based formulation to methods evaluating
strain energy density averaged over a control region. Here, we compare different numerical
and approximate methods applied to a square plate with a 45° tilted crack, positioned at the
center of the plate. Hence, approximate methods need to FE solutions, obtained from …
stress intensity factors (NSIFs) are usually evaluated. Many methods have been proposed
evaluating NSIFs, ranging from the stress gradient based formulation to methods evaluating
strain energy density averaged over a control region. Here, we compare different numerical
and approximate methods applied to a square plate with a 45° tilted crack, positioned at the
center of the plate. Hence, approximate methods need to FE solutions, obtained from …
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