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rAKA/examples/boundary_conditions/square.geo
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square.geo
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			// Mesh size
			h = 0.005;

			// Dimensions of the square
			Lx = 0.01;
			Ly = 0.01;

			// ------------------------------------------
			// Geometry
			// ------------------------------------------
			Point(1) = { 0.0, 0.0, 0.0, h};
			Point(2) = { Lx, 0.0, 0.0, h};
			Point(3) = { Lx, Ly, 0.0, h};
			Point(4) = { 0.0, Ly, 0.0, h};

			Line(1) = {1, 2};
			Line(2) = {2, 3};
			Line(3) = {3, 4};
			Line(4) = {4, 1};

			Line Loop(1) = {1:4};

			Plane Surface(1) = {1};

			Physical Surface(1) = {1};
			Physical Line("Fixed_y") = {1};
			Physical Line("Fixed_x") = {4};
			Physical Line("Traction") = {2};
			Physical Line("Free") = {3};