The macro of mode-I edge crack under uniform tension loading for Circular zone model

# The macro of mode-I edge crack under uniform tension loading for Circular zone model

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The macro of mode-I edge crack under uniform tension loading for Circular zone model Author: İ. Y. Sülü , A. O. Ayhan !!! This macro is used to solve mode-I edge crack problems in a !!! semi-infinite strip under uniform tension loadings. !!! The parameters/variables taken by the macro are: !!! P : Uniform tension loading !!! CR_L : Crack length !!! WW : Plate width !!! HH: 1/2 height of plate !!! NEL_THET : Elements numbers at angle direction !!! NEL_R : Elements numbers at radial direction !‼ CONSTANT : Crack length to plate width ratio !!! CRFACE_LESIZE : Elements distribution ratio in the crack surface !!! R_SIZE_RATIO : Distance ratio between elements at radial direction of crack zone !!! R_F : Size of first circular element in the crack zone !!! R_F1 : Size of three circular elements in the crack zone

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!!! R_C : Size of crack zone at radial direction P=1 CR_L=1 CONSTANT=0.7 WW= CR_L /CONSTANT HH=40 NEL_THET=9 NEL_R=8 CRFACE_LESIZE=0.2 R_SIZE_RATIO=2 R_F=0.03 R_F1=R_F*3 R_C=R_F1+(NEL_R-3)*R_F* R_SIZE_RATIO TO_1= CR_L/10E6 TO=CR_L- TO_1 /PREP7 ET,1,PLANE82 MP,EX,1,30E4 MP,NUXY,1,0.3 K,1, K,2,,HH K,3,WW,HH K,4,WW CYL4,CR_L,,,,R_F1,180 CYL4,CR_L,, R_F1,,R_C,180 NUMMRG,KP L,9,1
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