node_to_node

ntn_test_ras.geo
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			// use multiples of 10
			Nb_elems = 200;

			// Mesh.Format = 2.2;

			x_size = 0.5;
			y_size = 0.1;

			h_def = x_size / Nb_elems;
			h_bot = h_def;

			Point(1) = {0, 0, 0, h_def};
			Point(2) = {x_size, 0, 0, h_def};
			Point(3) = {x_size, y_size, 0, h_def};
			Point(4) = {0, y_size, 0, h_def};

			Point(5) = {0, -y_size, 0, h_def};
			Point(6) = {x_size, -y_size, 0, h_def};
			Point(7) = {x_size, 0, 0, h_def};
			Point(8) = {0, 0, 0, h_def};

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

			Line(5) = {5, 6};
			Line(6) = {6, 7};
			Line(7) = {7, 8};
			Line(8) = {8, 5};

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

			Line Loop(2) = {5, 6, 7, 8};
			Plane Surface(2) = {2};

			Physical Point("base_bottom_left") = {5};
			Physical Point("base_bottom_right") = {6};

			Physical Line("slider_top") = {3};
			Physical Line("slider_bottom") = {1};
			Physical Line("slider_left") = {4};
			Physical Line("slider_right") = {2};

			Physical Line("base_bottom") = {5};
			Physical Line("base_top") = {7};
			Physical Line("base_left") = {8};
			Physical Line("base_right") = {6};

			Physical Surface("slider") = {1};
			Physical Surface("base") = {2};

			Transfinite Surface "*";
			Recombine Surface "*";

			Mesh.SecondOrderIncomplete = 1;