Rotor Bearing System Simulator
Application ID: 45541
The Rotor Bearing System Simulator is an example of an app that can be used to design and analyze rotor systems consisting of a rotor and different disks and bearings. It is useful for the preliminary design stage of rotating systems to ensure that the system's critical speed is not in the region of its operating speed. An eigenfrequency analysis of the system is performed by the app at different angular speeds to find the critical speed of the rotor.
You can input the geometrical dimensions and stiffness of the rotor, position and inertial properties of the bearings and disks, and other material properties by choosing a predefined material from a drop-down menu. This can be done through manually specifying the data or uploading it from a file. The app automatically creates the geometry and sets up the physics based on the information provided in the inputs.
The application uses the Beam Rotor interface. After computing the results, you can visualize Whirl and Campbell plots and review a table of critical speeds that are dependent on the input parameters. A report can be generated that includes the app setup and results through the click of a button.
For more details about the app, see this blog post: "Analyzing Critical Speeds with the Rotor Bearing System Simulator"
This application example illustrates applications of this type that would nominally be built using the following products:
however, additional products may be required to completely define and model it. Furthermore, this example may also be defined and modeled using components from the following product combinations:
The combination of COMSOL® products required to model your application depends on several factors and may include boundary conditions, material properties, physics interfaces, and part libraries. Particular functionality may be common to several products. To determine the right combination of products for your modeling needs, review the Tabela de Especificações and make use of a free evaluation license. The COMSOL Sales and Support teams are available for answering any questions you may have regarding this.