3.1 Example: Studying different design variants

COUPLE is a great ally when you want to examine different design variants. In fact, you can easily create the topology of your assembly, compute the results, modify the topology, compute the results again and compare them. For example, you can compare different e-motors by just replacing them in the design area or study different mounting conditions by adding and changing mounts.

To study different design variants, you have to complete the following steps:

  • Setting up the library.
  • Modeling the first variant.
  • Computing the coupling.
  • Modeling and computing the second variant.
  • Analyzing the results.

Setting up the library

The first step consists in setting up all the needed models in the library. This consists of:

  • Creating a library.
  • Adding models to the library and setting interfaces.

Creating a library

To create a new library from scratch, complete the next steps:

  1. Click .
  2. Browse the correct location.
  3. Type the desired library name.
  4. Click Save.

Adding models to the library and setting interfaces

To add a model to a library and set the interfaces, complete the next steps:

  1. Click on the Tools card, a new window will open.
  2. Browse the directory of the model.
  3. Drag and drop the model to the right side.
  4. Fill in the desired information.
  5. Select the library where you want to import the model (at the bottom of the window).
  6. Click Channels & Interfaces.
  7. Set up the interfaces correctly.
  8. Click Import.

Modeling the first variant

The next step consists of modeling the first variant. This includes:

  • Creating the topology.
  • Naming the design variant.

Creating the topology

To create the assembly topology, complete the next steps:

  1. Open the fly-in library.
  2. Drag and drop the components or loads to the design area.
  3. Click the link tool .
  4. Connect the corresponding interfaces.
  5. If desired, drag and drop a stiffness model to the link.

Naming the design variant

To name the design variant, complete the next steps:

  1. Type the assembly name in the design area.
  2. Press Enter.

Computing the coupling

To compute the coupling, complete the next steps:

  1. Click .

Modeling and computing the second variant

After computing the results of the first variant, you can edit the topology in the design area to recreate the second variant.

To replace models and compute the second variant, complete the next steps:

  1. Drag and drop the new model on the one to be replaced.
  2. Map the model interfaces to the topology interfaces.
  3. Edit the assembly name.
  4. Click .

You can repeat these steps multiple times to study multiple design variants.

Analyzing the results

To analyze the results, complete the next steps:

  1. Open the Analysis card.
  2. Activate the Graphs and Data Overview modules.
  3. Right-click on the dataset.
  4. Select the desired Plot.

You can also plot one or multiple datasets by dragging and dropping them in the Graphs area.

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