For fixed crack geometry, combined tension–bending–bearing load is identifiable from the SIF profile iff the three elementary load profiles are affinely independent; recovery error is controlled by the minimum singular value of the profile matrix, not the condition number.
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When is the combined load identifiable from a stress-intensity profile? A coupled forward-inverse study on SIFBench finite-element data
For fixed crack geometry, combined tension–bending–bearing load is identifiable from the SIF profile iff the three elementary load profiles are affinely independent; recovery error is controlled by the minimum singular value of the profile matrix, not the condition number.