// Gmsh project created on Wed Feb 12 14:51:23 2020
//+
cl1 = 100;
Point(1) = {0, -1000, 0, cl1};
Point(2) = {0, -1000, 1000, cl1};
Point(3) = {0, -500, 1000, cl1};
Point(4) = {0, 0, 1000, cl1};
//+
Line(1) = {1, 2};
Line(2) = {2, 3};
Line(3) = {3, 4};
//+
Symmetry {0, 1, 0, 0} {
  Duplicata { Curve{2}; Curve{3}; Curve{1}; }
}
//+
Physical Line("topbeam") = {2 , 3 , 5 , 4 } ;
Physical Line("mast") = {1 , 6 } ;
Physical Point("groundS") = { 1 } ;
Physical Point("groundN") = { 13 } ;
Physical Point("loadS") = { 3 } ;
Physical Point("massN") = { 6 } ;

