See previous project for information on accessing and using HFSS software.

Overview

NOTE: Use the Project Report Template

IN NO CASE may code or files be exchanged between students, and each student must answer the questions themselves and do their own plots, NO COPYING of any sort! Nevertheless, students are encouraged to collaborate in the lab session.

Part 1: 3D simulation of a plane wave

• Load and run the project as follows:
• a  If this is the first time you run the software, make a note of the location of the default directory that will be created for your projects
• Store all projects in this directory
• Download the following project file (you may need to hold down the shift key while you click on the link):
• file:  PlaneWave.aedt
  
• Move the file into the HFSS directory
• Load the project from within HFSS using MenuBar::File::Open
  

• Double-click the "PlaneWave1" design, and expand the dropdown menu under PlaneWave1
•  Expand the “Excitations” list menu option from the project manager (red box in Fig. 1), click on “IncPWave1”, and notice the input wave assignment. 
  

Fig. 1

• Expand “Model” (purple box in Fig. 1), then expand “Sheets”, then expand “Non-Model”
  
• Right-click “Rectangle2” (also in purple box in Fig. 1), and click “View” then “Hide In All Views”.
• Expand the “Analysis” list menu option from the project manager (orange box in Fig. 1)
• Right-click on “Setup1”, and select “Analyze”
• Wait for the simulation to conclude.
• You should see the following results:
• Note:  If the field plots do not automatically populate when the simulation is complete, you will need to complete the following steps:
  
• In the project tree, expand "Field Overlays"   
  
• Expand "E Field" and click on "Vector_E1".  The electric field should appear.  Right-click on "Vector_E1" and toggle "Plot Visibility" so that it stays on.   
  
• Expand "H Field" and click on "Vector_H1".  The magnetic field should appear.  Right-click on "Vector_H1" and toggle "Plot Visibility" so that it stays on.
  

Fig. 2

• Looking at Fig. 1 and Fig. 2:
  
• The electric field is plotted in red in Fig. 2 – along which axis is it pointing? 
  
• The magnetic field is plotted in blue in Fig. 2 – along which axis is it pointing? 
  
• How many wavelengths long is the box of Fig. 2? (give your best estimate to the nearest tenth of a wavelength)?
  
• Note: To answer this question accurately, you will want to view the model from the +y axis.  The easiest way to achieve this view is to click “Rotate” from Fig. 4 below (red box), then double-click on the right-hand side of the model viewing window (the location of the red star in Fig. 2).
• If the x-dimension of the box is 200mm, what is the observed wavelength of the wave in millimeters?
• If this wave is propagating in free space, what is the frequency of the wave in GHz?
• At this point, you should have a plot that looks something like Fig. 2 above. Save a screenshot of  this plot (Fig. 2) for your report.

• If the fields of Fig. 2 do not automatically appear after simulation, you may need to do the following to make them visible:
  
• first, expand “Field Overlays” in the project manager (red box in Fig. 3), 

Fig. 3

• then expand the “E Field” and “H Field” options.
  
• Right-click on “Vector_E1” and click “Plot Visibility.” 
  
• Then right-click on “Vector_H1” and click “Plot Visibility”.

• Note: If you wish, you can use the “Pan”, “Zoom”, “Rotate”, and “Fit All” features to reorient the model to facilitate viewing. (red box in Fig. 4)

Fig. 4

• At this point, you should have a plot that looks something like Fig. 2 above. Save a screenshot of  this plot (Fig. 2) for your report.

• Right-click on “Field Overlays” (red box in Fig. 3) and click “Animate” (Fig. 5)

Fig. 5

• Click “OK” on the popup window (Fig. 6).

Fig. 6

• Wait for the animation frames to populate, and observe the resulting animation
• In which direction is the wave propagating?
  
• Does this match your prediction from the poynting vector above?
• Close the animation popup window.
•  Under the “Analysis” list menu option in the project manager, click “Setup1” (orange box in Fig. 7)

Fig. 7

•  In the Properties box, change the “Solution Freq” (green box above) to 7.0 GHz.
• If the frequency of the wave in free space is 7.0 GHz, what should the wavelength be?
• Right-click on “Setup1” (orange box above), and select “Analyze”
• Wait for the simulation to conclude.
• For this new solution frequency, how many wavelengths long is the x-dimension of the box?
• What is the new wavelength of the plane wave?
• Take a screenshot of the new field plot for your report.
  
  

Save your work before exiting







Report Data


• ============================    WARNING !!    ====================================
  
• **** WARNING **** YOU MUST USE THE PROJECT REPORT TEMPLATE Below:
• See the Project Report Template at bottom of this page
  
• A well-written report/paper is EXPECTED
  
• STRONGLY RECOMMEND that you read IEEE authorship series: How to Write for Technical Periodicals & Conferences
• Clearly describe everything, including:
• variables in block diagrams
• variables in formulas
• units of variables kHz, pF, nH, m, s,
  
• all traces on plots
• all curves on plots
• all results in any tables
  
• Minimum required data content for your report and demos
• Required theory/formulas numbered as below:
• Write the vector equation for a 1 V/m peak E-field of the plane wave for your plot similar to Fig. 2 above, at the 7.0 GHz frequency
• Write the vector equation for the corresponding H-field, assuming in vacuum
  
• Required figures:
• Any illegible plots receive zero credit (must be able to read all numbers, axes, labels, curves, grids, titles, legends)
• All plots must of professional quality as in IEEE papers
  
1. LEGIBLE HFSS 3D plot of plane wave similar to Fig. 2 above, using the default initial plane-wave frequency
   
2.  LEGIBLE HFSS 3D plot of plane wave similar to Fig. 2 above, using the 7.0 GHz plane-wave frequency
• Required tabular data content:
1. Table 1:   3 columns,: parameter, value, units
   
• Row 1: The (unit-magnitude) direction vector of propagation of the wave for your plot similar to Fig. 2 above, i.e., [0 -1 0]
• Row 2: the time-averaged real power (0.5 Re {ExH*} ) Poynting vector assuming |Epeak|=1 V/m for your plot similar to Fig. 2 above
  
• Row 3: length of the rectangular box of your plot similar to Fig. 2 above in wavelengths at the default initial plane-wave frequency
• Row 4: observed simulation wavelength of the plane wave (in millimeters), at the default initial plane-wave frequency
• Row 5: the default initial plane-wave frequency (in GHz)
• Row 6: length of the box of your plot similar to Fig. 2 above in wavelengths at the 7.0 GHz plane-wave frequency
• Row 7: observed simulation wavelength of the wave  (in millimeters), at the 7.0 GHz plane-wave frequency

• See report template below




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NOTE ReportTemplate: Use the Project Report Template 

  YOU MUST ADD CAPTIONS AND FIGURE NUMBERS TO ALL FIGURES!! 

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Copyright © 2010-2019 T. Weldon


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