NUMERICAL ANALYSIS OF THE EFFECT OF ADVANCED YIELD CRITERION ON PREDICTION OF STRAINS AND STRESSES IN ANISOTROPIC ALUMINUM SHEETS

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MIRFALAH NASIRI SEYEDEH MARYAM; BASTI ALI; HASHEMI RAMIN

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Journal: Modares Mechanical Engineering Year:2015 | Volume:15 | Issue:8 Page(s): 393-401

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Title

NUMERICAL ANALYSIS OF THE EFFECT OF ADVANCED YIELD CRITERION ON PREDICTION OF STRAINS AND STRESSES IN ANISOTROPIC ALUMINUM SHEETS

Author(s)

MIRFALAH NASIRI SEYEDEH MARYAM | BASTI ALI | HASHEMI RAMIN | Issue Writer Certificate

Keywords

ADVANCED YIELD CRITERIONQ2

CLASSIC YIELD CRITERIONQ2

FORMING LIMIT DIAGRAMQ1

ANISOTROPIC ALUMINUM SHEETQ2

Abstract

Nowadays the forming limit curves are very useful in formation of metal sheets and the effect of yield criteria is one of the most important parameters in prediction of the limit strain, especially in ANISOTROPIC ALUMINUM SHEETs. In this paper, first the effects of advanced BBC2008, Soare 2008, Plunkett 2008 and Yld2011 yield criteria on limit strain calculation and then on forming limit stress diagram will be investigated. Plastic instability model is studied based on Marciniak-Kuczynski model and the non-linear equations are solved by using Newton-Rophson method. These functions are used to evaluate the limit forming predictability of AA2090-T3 aluminum sheet based on the Swift hardening law and are compared with the forming limit curves predicted by Hill’s 1948 CLASSIC YIELD CRITERION. It was observed that the classic yield functions are not appropriate for ANISOTROPIC ALUMINUM SHEETs forming estimation. Numerical results obtained from the FORMING LIMIT DIAGRAM for AA5754 with Plunkett2008 yield function and Swift hardening law, although confirm the experimental results at close range to plane strain case, CPB06ex2 yield criterion predicts the behavior of ANISOTROPIC ALUMINUM SHEETs. The limit strain prediction for AA3104-H19 using Yld2011 yield criterion and Voce hardening law show better conformity with experimental results.

Cites

AN EXPERIMENTAL AND THEORETICAL INVESTIGATION FOR DETERMINATION OF ADVANCED YIELD CRITERIA PARAMETERS AND FORMING LIMIT DIAGRAM OF ALUMINUM ALLOY 2024

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APA: Copy

MIRFALAH NASIRI, SEYEDEH MARYAM, BASTI, ALI, & HASHEMI, RAMIN. (2015). NUMERICAL ANALYSIS OF THE EFFECT OF ADVANCED YIELD CRITERION ON PREDICTION OF STRAINS AND STRESSES IN ANISOTROPIC ALUMINUM SHEETS. MODARES MECHANICAL ENGINEERING, 15(8), 393-401. SID. https://sid.ir/paper/179083/en

Vancouver: Copy

MIRFALAH NASIRI SEYEDEH MARYAM, BASTI ALI, HASHEMI RAMIN. NUMERICAL ANALYSIS OF THE EFFECT OF ADVANCED YIELD CRITERION ON PREDICTION OF STRAINS AND STRESSES IN ANISOTROPIC ALUMINUM SHEETS. MODARES MECHANICAL ENGINEERING[Internet]. 2015;15(8):393-401. Available from: https://sid.ir/paper/179083/en

IEEE: Copy

SEYEDEH MARYAM MIRFALAH NASIRI, ALI BASTI, and RAMIN HASHEMI, “NUMERICAL ANALYSIS OF THE EFFECT OF ADVANCED YIELD CRITERION ON PREDICTION OF STRAINS AND STRESSES IN ANISOTROPIC ALUMINUM SHEETS,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 8, pp. 393–401, 2015, [Online]. Available: https://sid.ir/paper/179083/en

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