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Elements: An Engineering Simulation Blog

Serving the engineering simulation community and ANSYS and Rocky DEM users by sharing news, workshops, seminars, training, webinars, tips & tricks, and more.
Oct
08

How to Extract Moments of Inertia for Point Masses … and Simplify Your Model

One question often facing engineers performing any type of simulation analysis is, “How can I simplify my model and still get accurate results?”

A case in point for FEA analyses: When engineers have a large assembly with multiple parts but are interested in the simulation results of only one of the parts, only the part of interest needs to be fully modeled and meshed. The remaining parts can be reduced to a point mass where their effects are accounted for, but they are not fully meshed. As a result, this approach significantly reduces the size of the overall model as well as the solution time. In other words, it is a much smaller model to solve.

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Aug
14

Electric Machine Design in ANSYS

As electric machines become smaller and faster, designers face the growing challenge of delivering machines that meet all the electrical, mechanical, and thermal design goals in a very limited timeframe.

Electric machine design in ANSYSElectric Machine AnalysesFor example, in the automotive industry, electrical machines commonly need to be:

  • Compact, given the limited space available
  • Lightweight and Efficient, with increased driving range and extended battery life
  • Quiet, for maximum passenger comfort

With multiple types of analyses required, designers need to seamlessly move from one analysis to another efficiently. And a problem that presents itself downstream may require that upstream analyses be revisited. For instance, if the thermal analysis reveals an overheating issue, then perhaps the upstream electrical analyses needs to be adjusted and the process started again. Furthermore, once an acceptable design is completed, the design may not yet be optimal. It just means that the design is in the ballpark.

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Mar
22

Add Granta MI to your toolbox for instant materials information

Granta MIFor the first time, engineers can gain instant, accurate access to the Granta materials database within ANSYS Workbench™, speeding up their materials selection and improving their workflows.

In late 2018, ANSYS, Inc. acquired Granta Design, the premier provider of materials information technology. Through the MI:Materials Gateway window within ANSYS Workbench, you can access validated materials information in several categories, including steel, plastics, and aerospace.

If you know which material you’re looking for, you can select it directly. Or you can search with keywords like “aluminum 6061,” and the material’s property datasheets will be shown to you. You can also ask Granta to show you materials with defined specs, like yield strength above or below a certain value. You can then compare and contrast different materials.

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