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The macro of mode-I central crack for Circular Zone model

The macro of mode-I central crack for Circular Zone model -...

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The macro of mode-I central crack for Circular Zone model Author: İ.Y. Sülü , A. O. Ayhan !!! This macro is used to solve mode-I central 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 !!! 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 !!! R_C : Size of crack zone at radial direction P=1 CR_L=1 WW=40 HH=40

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NEL_THET=3 NEL_R=6 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 L,1,2 L,2,3 L,3,4 L,4,8 AL,4,6,8,9,10,11
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