1-3 Piezocomposite Unit Cell

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This is a modelling guide to help you get started simulating composite materials in OnScale. In this initial example you will be shown how to get the impedance of a basic 1-3 Piezocomposite Unit Cell model created using the symbol language.

What is symbol?: Check out these articles to get more familiar with OnScale's scripting language symbol.

Model Description

This 1-3 Piezocomposite Unit Cell model can be used evaluate the fundamental microstructure of a 1-3 composite design. Simple models like this are often used to yield metrics such as electrical impedance, thickness modes and inter-pillar resonances very quickly allowing full exploration of a design.

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Download and Open the Model

Download: 1-3_Unit_Cell Model

OnScale Input Files have the file extension *.flxinp. To open the downloaded file:

  1. Open OnScale 
  2. Select Analyst Mode
  3. Select the Menu button in the top left of the application
  4. Select Open
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Preview Model

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Preview model is used to view the geometry dimensions and material assignment of a model to ensure the script is correct. To preview a model, select the Preview Model icon in the Home tab of the application ribbon.

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Note: Preview model will display data from any grph commands that come before the prcs command. If you have more than one grph command, you can cycle through the graphics by continuously selecting Preview Model. To close the preview, select Stop Preview.

Run Model on Cloud 

To run the model on the cloud, select the Run on Cloud button in the Home tab of the application and follow these steps:

  1. Click Select and open the file you wish to run (1-3_Unit_Cell.flxinp)
  2. Select Estimate
  3. Select Run

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Download Results

  1. From the Home tab, select the Storage icon
  2. Select the Refresh icon to refresh storage
  3. Select the Job Name from the dropdown menu
  4. Select the Download button
  5. Select Download All

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Choose a directory to download the results to. These results will be stored in the folder: 1-3_Unit_Cell-YYYYMMDD-HHMMSS\1 where YYYYMMDD-HHMMSS is the current date and time.

Switch to Post Processor

Post Processor is a suite of tools used to visualise and analyse output data generated from OnScale simulations. Switch to Post Post Processor.

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What kind of analysis can I do in Post Processor? Find out here.

Analyse Results

To plot the impedance of the composite, follow these steps:

    1. In File Explorer, navigate to the download directory and double click the file '1-3_Unit_Cell.flxhst' to open it
    2. In Results Manager, select the voltage time history 'pize top:Voltage' by left clicking it
    3. From the Home tab of the ribbon, select the Impedance icon to calculate impedance
    4. In the Frequency History section of the Results Manager, double click 'Impd:top.amp' to plot impedance amplitude
    5. In Plot Controls, set xAxis Minimum to 2e5
    6. In Plot Controls, set xAxis Maximum to 2e6
    7. In Plot Controls, tick Log yAxis
    8. In Plot Controls, set yAxis Minimum to 0.2
    9. In Plot Controls, set yAxis Mimumum to 600

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What's Next?

Simulate a full 3D 1-3 Piezocomposite Array

Get more familiar with OnScale's 3 Modes and their capabilities

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