LIFETIME EVALUATION DEVICE, AND LIFETIME EVALUATION METHOD

摘要

To improve accuracy of an analytical lifetime evaluation.SOLUTION: A lifetime evaluation device 1 has: a first lifetime evaluation unit 32 that conducts a lifetime evaluation, using real machine inspection data on a plurality of evaluation portions of an object member, and obtains a first lifetime evaluation resu a second lifetime evaluation unit 33 that conducts an analytical lifetime evaluation of the plurality of evaluation portions, using standard material strength data on the object member, and obtains a second lifetime evaluation resu and an equivalent strength data preparation unit 34 that computes, as unique strength data, strength data enabling the second lifetime evaluation result to be obtained so that a differential between the first lifetime evaluation result and the second lifetime evaluation result falls within a prescribed allowance range for each portion, and prepares equivalent strength data on the object member, using the computed unique strength data on each evaluation portion. After the equivalent strength data is prepared by the equivalent strength data preparation unit 34, the second lifetime evaluation unit 33 is configured to conduct the analytical lifetime evaluation of a non-evaluation portion of the object member, using the equivalent strength data.SELECTED DRAWING: Figure 2