Example #1
0
        static void ExportAntenna_InvertedF()
        {
            double thickness       = 0.01;
            double airBox          = 5.0;
            double innerResolution = 0.5;
            double outerResolution = 5.0;

            var antenna = new CSXCAD.Antenna.InvertedF_2400MHz(thickness);

            const double pcbThickness = 1.5;
            var          lumpedPort   = new LumpedPort(90, 1, 50, new Vector3D(0.0, 0.0, -pcbThickness), new Vector3D(0.0, 0.0, 0), ENormDir.Z, true);

            antenna.Add(lumpedPort);

            double margin      = 2.0;
            double groundWidth = 5.0;
            var    p1          = new Vector3D(antenna.BoundingBox.P1.x - margin, -groundWidth - margin, -pcbThickness);
            var    p2          = new Vector3D(antenna.BoundingBox.P2.x + margin, antenna.BoundingBox.P2.y + margin, 0);

            var substrate = new Dielectric("pcb", 3.38, 1e-3 * 2 * Math.PI * 2.45e9 * 3.38 * Material.Eps0);

            substrate.EdgeColor = new Material.Color(10, 255, 10, 128);
            substrate.FillColor = new Material.Color(10, 255, 10, 128);
            var pcb = new CSXCAD.Box(null, substrate, 60, p1, p2);
            //antenna.Add(pcb);

            var topGround = new Metal("bottom-ground");

            topGround.EdgeColor = new Material.Color(235, 148, 7, 255);
            topGround.FillColor = topGround.EdgeColor;
            var topGroundPlane = new CSXCAD.Box(null, topGround, 100,
                                                new Vector3D(antenna.BoundingBox.P1.x, 0, -pcbThickness),
                                                new Vector3D(antenna.BoundingBox.P2.x, -groundWidth, -pcbThickness));

            antenna.Add(topGroundPlane);

            var bottomGround = new Metal("top-ground");

            bottomGround.EdgeColor = new Material.Color(235, 148, 7, 255);
            bottomGround.FillColor = bottomGround.EdgeColor;
            var topGroundPlaneLeft = new CSXCAD.Box(null, bottomGround, 100,
                                                    new Vector3D(antenna.BoundingBox.P1.x, 0, 0),
                                                    new Vector3D(-0.46 / 2 - 0.45, -groundWidth, 0));
            var topGroundPlaneRight = new CSXCAD.Box(null, bottomGround, 100,
                                                     new Vector3D(0.46 / 2 + 0.45, 0, 0),
                                                     new Vector3D(antenna.BoundingBox.P2.x, -groundWidth, 0));

            antenna.Add(topGroundPlaneLeft);
            antenna.Add(topGroundPlaneRight);

            Simulation fdtd = new Simulation();

            fdtd.Excitation = new GaussExcitation(2450e6, 500e6);

            RectilinearGrid grid = new RectilinearGrid();;

            grid.Add(new Vector3D(0, 0, 0));

            grid.SmoothMesh(innerResolution);
            grid.AddAirbox(airBox);
            grid.SmoothMesh(outerResolution);
            var nf2ff = new NF2FFBox("nf2ff",
                                     new Vector3D(grid.XLines.First(), grid.YLines.First(), grid.ZLines.First()),
                                     new Vector3D(grid.XLines.Last(), grid.YLines.Last(), grid.ZLines.Last()));

            antenna.Add(nf2ff);
            grid.AddPML(8);

            XDocument doc = new XDocument(
                new XDeclaration("1.0", "utf-8", "yes"),
                new XComment("Test XML file for CyPhy generated openEMS simulations"),
                new XElement("openEMS",
                             fdtd.ToXElement(),
                             new XElement("ContinuousStructure",
                                          new XAttribute("CoordSystem", 0),
                                          antenna.ToXElement(),
                                          grid.ToXElement()
                                          )
                             )
                );

            doc.Save("InvertedF.xml");
        }
        static void ExportAntenna_InvertedF()
        {
            double thickness = 0.01;
            double airBox = 5.0;
            double innerResolution = 0.5;
            double outerResolution = 5.0;

            var antenna = new CSXCAD.Antenna.InvertedF_2400MHz(thickness);

            const double pcbThickness = 1.5;
            var lumpedPort = new LumpedPort(90, 1, 50, new Vector3D(0.0, 0.0, -pcbThickness), new Vector3D(0.0, 0.0, 0), ENormDir.Z, true);
            antenna.Add(lumpedPort);

            double margin = 2.0;
            double groundWidth = 5.0;
            var p1 = new Vector3D(antenna.BoundingBox.P1.x-margin, -groundWidth-margin, -pcbThickness);
            var p2 = new Vector3D(antenna.BoundingBox.P2.x+margin, antenna.BoundingBox.P2.y+margin, 0);

            var substrate = new Dielectric("pcb", 3.38, 1e-3 * 2 * Math.PI * 2.45e9 * 3.38 * Material.Eps0);
            substrate.EdgeColor = new Material.Color(10, 255, 10, 128);
            substrate.FillColor = new Material.Color(10, 255, 10, 128);
            var pcb = new CSXCAD.Box(null, substrate, 60, p1, p2);
            //antenna.Add(pcb);

            var topGround = new Metal("bottom-ground");
            topGround.EdgeColor = new Material.Color(235, 148, 7, 255);
            topGround.FillColor = topGround.EdgeColor;
            var topGroundPlane = new CSXCAD.Box(null, topGround, 100,
                new Vector3D(antenna.BoundingBox.P1.x, 0, -pcbThickness),
                new Vector3D(antenna.BoundingBox.P2.x, -groundWidth, -pcbThickness));
            antenna.Add(topGroundPlane);

            var bottomGround = new Metal("top-ground");
            bottomGround.EdgeColor = new Material.Color(235, 148, 7, 255);
            bottomGround.FillColor = bottomGround.EdgeColor;
            var topGroundPlaneLeft = new CSXCAD.Box(null, bottomGround, 100,
                new Vector3D(antenna.BoundingBox.P1.x, 0, 0),
                new Vector3D(-0.46/2-0.45, -groundWidth, 0));
            var topGroundPlaneRight = new CSXCAD.Box(null, bottomGround, 100,
                new Vector3D(0.46/2+0.45, 0, 0),
                new Vector3D(antenna.BoundingBox.P2.x, -groundWidth, 0));
            antenna.Add(topGroundPlaneLeft);
            antenna.Add(topGroundPlaneRight);

            Simulation fdtd = new Simulation();
            fdtd.Excitation = new GaussExcitation(2450e6, 500e6);

            RectilinearGrid grid = new RectilinearGrid(); ;
            grid.Add(new Vector3D(0,0,0));

            grid.SmoothMesh(innerResolution);
            grid.AddAirbox(airBox);
            grid.SmoothMesh(outerResolution);
            var nf2ff = new NF2FFBox("nf2ff",
                new Vector3D(grid.XLines.First(), grid.YLines.First(), grid.ZLines.First()),
                new Vector3D(grid.XLines.Last(), grid.YLines.Last(), grid.ZLines.Last()));
            antenna.Add(nf2ff);
            grid.AddPML(8);

            XDocument doc = new XDocument(
                new XDeclaration("1.0", "utf-8", "yes"),
                new XComment("Test XML file for CyPhy generated openEMS simulations"),
                new XElement("openEMS",
                    fdtd.ToXElement(),
                    new XElement("ContinuousStructure",
                        new XAttribute("CoordSystem", 0),
                        antenna.ToXElement(),
                        grid.ToXElement()
                    )
                )
            );

            doc.Save("InvertedF.xml");
        }