STRESS-STRAIN FIELD NEAR CRACK TIP AND CALCULATION OF CRITICAL STRESS OF CRACK PROPAGATION IN A PURE BENDING BEAM OF RECTANGULAR SECTION WITH ONE-SIDED MODE I CRACK

Applied Mathematics and Mechanics (English Edition) ›› 1995, Vol. 16 ›› Issue (8): 779-789.

STRESS-STRAIN FIELD NEAR CRACK TIP AND CALCULATION OF CRITICAL STRESS OF CRACK PROPAGATION IN A PURE BENDING BEAM OF RECTANGULAR SECTION WITH ONE-SIDED MODE I CRACK

刘汉池

Liaoyuan Aviation Machine Building Company, Shanvi, 723313, P. R. China

收稿日期:1994-12-22 出版日期:1995-08-18 发布日期:1995-08-18

STRESS-STRAIN FIELD NEAR CRACK TIP AND CALCULATION OF CRITICAL STRESS OF CRACK PROPAGATION IN A PURE BENDING BEAM OF RECTANGULAR SECTION WITH ONE-SIDED MODE I CRACK

Liu Hanchi

Liaoyuan Aviation Machine Building Company, Shanvi, 723313, P. R. China

Received:1994-12-22 Online:1995-08-18 Published:1995-08-18

摘要/Abstract

摘要： This paper studies the stress-sirain field near crack tip in a pure bending beam ofrectangular section with one-sided mode I crack by the analytic method of Rej [1],then it gives the stress and strain components at the crack tip when the crackpropagates and further it obtains the formulas of calculating the elastic deformed areawidth, the deformed intensity, area width and the equation groups of calculating thecritical stress of crack propagation, last the equation group of calculating criticalstress of crack propagation is verified by calculating instance. The maximum error is 0.18%.

Abstract: This paper studies the stress-sirain field near crack tip in a pure bending beam ofrectangular section with one-sided mode I crack by the analytic method of Rej [1],then it gives the stress and strain components at the crack tip when the crackpropagates and further it obtains the formulas of calculating the elastic deformed areawidth, the deformed intensity, area width and the equation groups of calculating thecritical stress of crack propagation, last the equation group of calculating criticalstress of crack propagation is verified by calculating instance. The maximum error is 0.18%.

刘汉池. STRESS-STRAIN FIELD NEAR CRACK TIP AND CALCULATION OF CRITICAL STRESS OF CRACK PROPAGATION IN A PURE BENDING BEAM OF RECTANGULAR SECTION WITH ONE-SIDED MODE I CRACK[J]. Applied Mathematics and Mechanics (English Edition), 1995, 16(8): 779-789.

Liu Hanchi. STRESS-STRAIN FIELD NEAR CRACK TIP AND CALCULATION OF CRITICAL STRESS OF CRACK PROPAGATION IN A PURE BENDING BEAM OF RECTANGULAR SECTION WITH ONE-SIDED MODE I CRACK[J]. Applied Mathematics and Mechanics (English Edition), 1995, 16(8): 779-789.

STRESS-STRAIN FIELD NEAR CRACK TIP AND CALCULATION OF CRITICAL STRESS OF CRACK PROPAGATION IN A PURE BENDING BEAM OF RECTANGULAR SECTION WITH ONE-SIDED MODE I CRACK

STRESS-STRAIN FIELD NEAR CRACK TIP AND CALCULATION OF CRITICAL STRESS OF CRACK PROPAGATION IN A PURE BENDING BEAM OF RECTANGULAR SECTION WITH ONE-SIDED MODE I CRACK

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