.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JSplitPane splitPane = new JSplitPane();
frmTsiolkovskyEquationSolver.getContentPane().add(splitPane);
deltavPanel = new DeltavPanel();
deltavPanel.addSolutionListener(this);
fuelPanel = new FuelPanel();
fuelPanel.addSolutionListener(this);
JTabbedPane tabbedPane = new JTabbedPane(JTabbedPane.TOP);