scholarly journals Finite element simulation of creep crack growth using combined plastic-creep damage model

2016 ◽  
Vol 2 ◽  
pp. 825-831 ◽  
Author(s):  
Dong-Jun Kim ◽  
Kyung-Dong Bae ◽  
Han-Sang Lee ◽  
Yun-Jae Kim ◽  
Goon-Cherl Park
Keyword(s):  
Finite Element ◽  
Finite Element Simulation ◽  
Crack Growth ◽  
Damage Model ◽  
Creep Crack Growth ◽  
Creep Damage ◽  
Creep Crack ◽  
Element Simulation ◽  
Creep Damage Model ◽  
Plastic Creep

Creep crack growth behavior analysis of the 9Cr-1Mo steel by a modified creep-damage model

2017 ◽  
Vol 708 ◽  
pp. 68-76 ◽  
Author(s):  
Yu-Cai Zhang ◽  
Wenchun Jiang ◽  
Shan-Tung Tu ◽  
Xian-Cheng Zhang ◽  
You-Jun Ye
Keyword(s):  
Behavior Analysis ◽  
Crack Growth ◽  
Damage Model ◽  
Creep Crack Growth ◽  
Creep Damage ◽  
Growth Behavior ◽  
Crack Growth Behavior ◽  
Creep Crack ◽  
Creep Damage Model

scholarly journals Finite Element Simulation for Creep Crack Growth.

1992 ◽  
Vol 41 (464) ◽  
pp. 643-647 ◽  
Author(s):  
Noriyuki MIYAZAKI ◽  
Toru SASAKI ◽  
Michihiko NAKAGAKI ◽  
F.W. BRUST
Keyword(s):  
Finite Element ◽  
Finite Element Simulation ◽  
Crack Growth ◽  
Creep Crack Growth ◽  
Creep Crack ◽  
Element Simulation

Finite Element Damage Analyses for Predictions of Creep Crack Growth

2010 ◽  
Author(s):  
Chang-Sik Oh ◽  
Nak-Hyun Kim ◽  
Sung-Hwan Min ◽  
Yun-Jae Kim
Keyword(s):  
Experimental Data ◽  
Finite Element ◽  
Crack Growth ◽  
Damage Mechanics ◽  
Creep Crack Growth ◽  
Creep Damage ◽  
Simulation Method ◽  
Creep Tests ◽  
Creep Ductility ◽  
Creep Crack

This paper provides the virtual simulation method for creep crack growth test, based on finite element (FE) analyses with damage mechanics. Creep tests of smooth bars are used to quantify the constants of creep constitutive equation. The reduction of area resulting from creep tests of smooth and notched bar is adopted as a measure of creep ductility under multiaxial stress conditions. The creep ductility exhaustion concept is adopted for calculating creep damage, which is defined as the ratio of creep strain to the multiaxial creep ductility. To simulate crack propagation, fully damaged elements are forced to have nearly zero stresses using user-defined subroutine UHARD in the general-purpose FE code, ABAQUS. The results from 2D or 3D FE analyses are compared with experimental data of creep crack growth. It is shown that the predictions obtained from this new method are in good agreement with experimental data.

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