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A New Method to Achieve Equivalent Plastic Strain Explicit Form of J2 Plastic Isotropic Kinematic Hardening Model and Numerical Verification

Peng Cao1, Decheng Feng2, Changjun Zhou3

1 School of Science and Engineering on Transport, Harbin Institute of Technology, Harbin, China. Email: caopeng518888@126.com
2 School of Science and Engineering on Transport, Harbin Institute of Technology, Harbin, China. Email: fdcgxy@vip.sina.com
3 Ph.D. Student, School of Civil Engineering, University of Birmingham, UK, B15 2TT. Email: wenxinzuo@hotmail.com

Structural Longevity 2012, 8(3), 193-206. https://doi.org/10.3970/sl.2012.008.193

Abstract

Based on the classic J2 Plastic Flow Theory, the explicit equation of the equivalent plastic strain was derived elaborately utilizing the tensor analysis method. And a modified method commenced with the plastic flow rule was employed to obtain the same explicit equation. Finally, a subroutine written with FORTRAN was imported into the ABAQUS-version6.11 to validate the robustness of the numerical integrated scheme above The derivation procedure for the explicit equation of the equivalent plastic strain based on J2 Plastic Flow Theory can be utilized as an alternate method to solve complicated constitute integrated problems. And the developed algorithm can save as much as 20% time on the same calculation scale, compared to the traditional iterative method.

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APA Style
Cao, P., Feng, D., Zhou, C. (2012). A new method to achieve equivalent plastic strain explicit form of J2 plastic isotropic kinematic hardening model and numerical verification. Structural Longevity, 8(3), 193-206. https://doi.org/10.3970/sl.2012.008.193
Vancouver Style
Cao P, Feng D, Zhou C. A new method to achieve equivalent plastic strain explicit form of J2 plastic isotropic kinematic hardening model and numerical verification. Structural Longevity . 2012;8(3):193-206 https://doi.org/10.3970/sl.2012.008.193
IEEE Style
P. Cao, D. Feng, and C. Zhou "A New Method to Achieve Equivalent Plastic Strain Explicit Form of J2 Plastic Isotropic Kinematic Hardening Model and Numerical Verification," Structural Longevity , vol. 8, no. 3, pp. 193-206. 2012. https://doi.org/10.3970/sl.2012.008.193



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