www.pudn.com > 87361026FEA.rar > notch.geo, change:2006-02-28,size:1058b


// geo file for a notched plate

w = 1;    	// notch width
l = 10; 	// notch length
L = 10;		// plate length factor
H = 100;	// plate height factor
a = 4;		// notch y position factor
r1 = 3;  	// number of element along crack tip
r2 = r1/2;  	// number of elements along crack opening
R = 20;		// number of elements along plate edge

Ht = w*H;
Wd = l*L;
yBot = -Ht*(1-1/a);
yTop = Ht/a;
xRight = Wd-l;

h1 = w/r1;
h2 = w/r2;
h3 = Ht/R;

Point(1) = {0,w/2,0,h1};
Point(2) = {0,-w/2,0,h1};
Point(3) = {-l,-w/2,0,h2};
Point(4) = {-l,yBot,0,h3};
Point(5) = {xRight,yBot,0,h3};
Point(6) = {xRight,yTop,0,h3};
Point(7) = {-l,yTop,0,h3};
Point(8) = {-l,w/2,0,h2};

Line(1) = {4,5};
Line(2) = {5,6};
Line(3) = {6,7};
Line(4) = {7,8};
Line(5) = {8,1};
Line(6) = {1,2};
Line(7) = {2,3};
Line(8) = {3,4};

Line Loop(9) = {2,3,4,5,6,7,8,1};
Plane Surface(10) = {9};

Physical Surface(11) = {10};	// interior

Physical Line(12) = {8};	// impact edge
Physical Line(13) = {3};	// top edge
Physical Line(14) = {1};	// bottom edge
Physical Line(15) = {2};	// right hand edge