THEORY OF THE ACCUMULATION OF FATIGUE DAMAGE DURING AN ASYMMETRICAL CYCLE OF RANDOM STRESSES,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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This work considers the problem of determining structure durability during asymmetric cycle of simple and complex forms of continuous, and also discrete, random stresses. The general formulas of durability are obtained on the basis of linear and nonlinear theories of accumulation of fatigue damage. The extremeness of the linear law of fatique damage accumulation is established. The upper and lower limits of the durability ratio, calculated by nonlinear and linear theories of fatigue accumulation are found for the general case of load.