When you first open any file in Design Simulation module, it will automatically pop up the New FEM and Simulation dialog to create a simulation.In the popup dialog, click OK to create a new simulation.Then in the next popup Solution window, you can select the Solver and the Analysis Type.The default Solver type is NX Nastran Design and Analysis type is Structural.➢ Choose OK to create a new Solution called Solution 1, which will be displayed in the Simulation Navigator. Here we keep the other items as default.Now the Simulation Navigator will look like the following figure