Posted by kadasht on July 11, 2023

How to Download ANSYS RMxprt for Free and Boost Your Motor Design Skills

If you are a student or an engineer who wants to learn how to design and simulate high-performance motors, you might be interested in ANSYS RMxprt. ANSYS RMxprt is a software tool that allows you to quickly and easily create motor models and calculate their performance characteristics. You can also export your motor geometry and parameters to ANSYS Maxwell, a powerful finite element analysis software for electromechanical devices.

But how can you get access to ANSYS RMxprt without spending a fortune? The good news is that ANSYS offers free student versions of its software products, including ANSYS RMxprt. In this article, we will show you how to download and install ANSYS RMxprt for free, and how to use it to design your own motor.

What is ANSYS RMxprt?

ANSYS RMxprt is a template-based electrical machine design tool that provides fast, analytical calculations of machine performance and 2-D and 3-D geometry creation for detailed finite element calculations in ANSYS Maxwell . Using RMxprt, you can simulate and analyze the following types of machines:

Brushless DC (BLDC) motors
Permanent magnet synchronous motors (PMSM)
Induction motors
Switched reluctance motors (SRM)
Synchronous reluctance motors (SynRM)
Universal motors
Wound field synchronous motors (WFSM)
Brush DC motors
Linear induction motors (LIM)
Linear synchronous motors (LSM)

RMxprt offers a machine-specific, template-based interface that allows users to easily enter design parameters and calculate critical performance data, such as torque versus speed, power loss, flux in the air gap, and efficiency as well as determine lamination and winding schemes. You can also perform parametric studies, optimization, and sensitivity analysis using RMxprt.

One of the main advantages of RMxprt is that it can export the motor model to ANSYS Maxwell, where you can perform more detailed and accurate simulations using the finite element method. Maxwell can also perform multiphysics analysis, such as coupling the electromagnetic fields with thermal or mechanical effects. This way, you can validate your motor design and optimize it for performance, reliability, and cost.

How to Download ANSYS RMxprt for Free?

To download ANSYS RMxprt for free, you need to register as a student on the ANSYS website. Here are the steps you need to follow:

Go to https://www.ansys.com/en-in/academic/students and click on “Free Student Software Downloads”.
Select “Ansys Electronics Desktop Student” from the list of available products. This product includes ANSYS RMxprt as well as other tools for electronics simulation.
Fill out the form with your personal and academic information. You will need a valid email address from your educational institution.
Check your email for a confirmation link and click on it to activate your account.
Login to the ANSYS Customer Portal with your email and password.
Go to “Downloads” and select “Ansys Electronics Desktop Student”.
Select the version that matches your operating system (Windows 64-bit) and click on “Download”.
Save the file on your computer and run it to start the installation process.
Follow the instructions on the screen to complete the installation. You will need to accept the license agreement and enter a license key that will be emailed to you.
Launch ANSYS Electronics Desktop from your desktop or start menu.

Congratulations! You have successfully downloaded and installed ANSYS RMxprt for free. Now you are ready to use it for your motor design projects.

How to Use ANSYS RMxprt?

Now that you have installed ANSYS RMxprt, you might be wondering how to use it for your motor design projects. In this section, we will give you a brief overview of the main steps and features of ANSYS RMxprt. For more detailed instructions and tutorials, you can refer to the ANSYS documentation and online resources .

The basic workflow of ANSYS RMxprt consists of the following steps:

Select the type of machine you want to design from the available templates.
Enter the design specifications and parameters of your machine, such as power, speed, voltage, current, dimensions, materials, etc.
Run the analysis and view the results, such as torque-speed curve, efficiency map, losses breakdown, flux density distribution, etc.
Optimize your design by changing some parameters and comparing different scenarios.
Export your machine model to ANSYS Maxwell for further analysis and validation.

Let’s see an example of how to use ANSYS RMxprt to design a three-phase induction motor.

Example: Designing a Three-Phase Induction Motor

A three-phase induction motor is one of the most common types of electric motors used in various applications. It consists of a stator with three-phase windings and a rotor with either a squirrel-cage or a wound configuration. The stator windings create a rotating magnetic field that induces currents in the rotor bars and generates torque.

To design a three-phase induction motor using ANSYS RMxprt, follow these steps:

Launch ANSYS Electronics Desktop and select “RMxprt” from the “Tools” menu.
In the “New Project” dialog box, select “Induction Machine” from the “Machine Type” list and click “OK”.
In the “Design Specifications” tab, enter the desired values for the power, speed, frequency, voltage, current, number of poles, and efficiency of your motor. You can also specify other parameters such as power factor, slip, torque ripple, etc.
In the “Geometry” tab, enter the dimensions of your stator and rotor, such as outer diameter, inner diameter, core length, air gap length, etc. You can also choose the type of rotor (squirrel-cage or wound) and the number and shape of rotor bars.
In the “Materials” tab, select the materials for your stator core, rotor core, stator winding, rotor winding (if wound), and rotor bars (if squirrel-cage). You can choose from the predefined materials or define your own custom materials.
In the “Winding” tab, specify the winding configuration for your stator and rotor (if wound). You can choose from different types of winding layouts (single layer or double layer) and connection schemes (star or delta).
Click on the “Solve” button to run the analysis and view the results. You can see various graphs and tables that show the performance characteristics of your motor, such as torque-speed curve, efficiency map, losses breakdown, power factor curve, etc. You can also see the flux density distribution in different cross-sections of your motor.
If you want to optimize your design or compare different scenarios, you can go back to any tab and change some parameters. You can also use the “Parametric Analysis” feature to vary multiple parameters at once and see their effects on the results.
If you want to export your machine model to ANSYS Maxwell for further analysis and validation, you can click on the “Export Model” button and select “Maxwell 2D” or “Maxwell 3D”. This will create a Maxwell project with your machine geometry and parameters ready for simulation.

By following these steps, you can design and analyze a three-phase induction motor using ANSYS RMxprt. You can also apply the same workflow to other types of machines available in RMxprt.

What are the Benefits of ANSYS RMxprt?

ANSYS RMxprt is a powerful and versatile tool for electrical machine design and analysis. It offers several benefits for students, engineers, and researchers who want to create and optimize their own motor models. Some of the main benefits of ANSYS RMxprt are:

It saves time and cost by providing fast and accurate analytical calculations of machine performance without the need for physical prototyping and testing.
It supports a wide range of machine types and configurations, allowing users to explore different design options and trade-offs.
It integrates seamlessly with ANSYS Maxwell, enabling users to perform detailed and realistic finite element simulations of their machine models and validate their design assumptions.
It generates high-fidelity system models that can be used in ANSYS Twin Builder for system-level analysis and digital twin creation.
It can be customized and automated using scripting languages, enabling users to incorporate their own design rules and workflows.

By using ANSYS RMxprt, you can design and analyze electrical machines with confidence and efficiency. You can also leverage the full potential of ANSYS software suite for electromechanical simulation and optimization.

How ANSYS RMxprt Helps Real-World Applications?

ANSYS RMxprt is not only a useful tool for learning and teaching electrical machine design, but also a powerful solution for real-world applications and challenges. Many companies and organizations use ANSYS RMxprt to design and optimize their electrical machines for various domains and industries. Here are some examples of how ANSYS RMxprt helps real-world applications:

DuXion Simulates the Future of Electric Aircraft Propulsion with Ansys Tools

DuXion is a Canadian startup that develops innovative electric propulsion units for aerospace applications, such as passenger aircraft, drones, and air taxis. DuXion’s goal is to create a cleaner, cheaper, and more reliable alternative to conventional jet engines and propellers. To achieve this, DuXion uses ANSYS tools to design and simulate its electric propulsion units, which consist of an electric motor, a power converter, and a fan blade.

DuXion uses ANSYS RMxprt to quickly design and optimize preliminary electric motor models, such as brushless DC motors and permanent magnet synchronous motors. DuXion then uses ANSYS Maxwell and ANSYS Simplorer to perform electromagnetic performance analysis of the design models, such as torque, efficiency, losses, and harmonics. DuXion also uses ANSYS Vista TF and BladeModeler to generate preliminary 3D blade models for the fan blade. Finally, DuXion uses ANSYS CFX and Fluent to simulate the fluid flow through the fan blade and determine the maximum achievable thrust.

By using ANSYS tools, DuXion was able to iterate more quickly and get solutions that would have taken much longer otherwise. DuXion also reduced the cost and risk of physical prototyping and testing by validating its design using accurate and realistic simulations. DuXion is now ready to bring its electric propulsion units to the market and revolutionize the future of electric flight.

ANSYS Maxwell Design Motor | PMSM Project RMxprt & 2D

Toan RE is a railway engineer who creates educational videos on YouTube about electric motor design using ANSYS software. In one of his videos, he demonstrates how to design a permanent magnet synchronous motor (PMSM) using ANSYS RMxprt and Maxwell 2D.

Toan RE starts by selecting the PMSM template in RMxprt and entering the design specifications and parameters of his motor, such as power, speed, voltage, current, number of poles, etc. He then runs the analysis and views the results, such as torque-speed curve, efficiency map, losses breakdown, etc. He also optimizes his design by changing some parameters and comparing different scenarios.

Next, Toan RE exports his machine model to Maxwell 2D for further analysis and validation. He sets up the simulation settings and boundary conditions in Maxwell 2D and runs the transient solver. He then views the results, such as flux density distribution, back EMF waveform, cogging torque waveform, etc. He also performs a parametric analysis by varying the number of poles and slots of his motor.

By using ANSYS RMxprt and Maxwell 2D, Toan RE was able to design and analyze a PMSM with confidence and efficiency. He also shared his knowledge and experience with his YouTube audience and inspired them to learn more about electric motor design using ANSYS software.

Conclusion

ANSYS RMxprt is a powerful and versatile tool for electrical machine design and analysis. It allows users to quickly and easily create and optimize their own motor models and calculate their performance characteristics. It also integrates seamlessly with other ANSYS tools, such as Maxwell, Twin Builder, CFX, and Fluent, for detailed and realistic simulations of electromechanical systems.

ANSYS RMxprt is not only a useful tool for learning and teaching electrical machine design, but also a powerful solution for real-world applications and challenges. Many companies and organizations use ANSYS RMxprt to design and optimize their electrical machines for various domains and industries, such as aerospace, automotive, renewable energy, industrial automation, etc.

If you want to learn more about ANSYS RMxprt and how it can help you with your electrical machine design projects, you can download it for free as a student or request a free trial as a professional. You can also visit the ANSYS website for more information and resources.

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