Thus, the core challenge reduces to estimating ( E[S^k] ) (the expected value of stress range raised to the ( k )-th power) from the PSD.
Thus, the core challenge reduces to estimating ( E[S^k] ) (the expected value of stress range raised to the ( k )-th power) from the PSD.
Thus, the core challenge reduces to estimating ( E[S^k] ) (the expected value of stress range raised to the ( k )-th power) from the PSD.