2010Antenna-Lab3

8/3/2019 2010Antenna-Lab3

http://slidepdf.com/reader/full/2010antenna-lab3 1/12

LAB # 3

Wave Port Excitation

Radiation Setup & Analysis

Supervised by

Engr. Mian Shahzad Iqbal

Telecommunication Engineering DepartmentUniversity of Engineering & Technology, Taxila



1

WAVE PORT

1. New ProjectOpen a new HFSS project.In an Ansoft HFSS window, select the menu item File > New . Set

Solution Type

Select the menu item HFSS > Solution Type . In the Solution TypeWindow:

o Choose Driven Terminal .

o Click the OK button.

Set MaterialSelect the material as Copper .

2. Create the Wave porta) To create a circle that represents the port:

Select the menu item Draw > Circle .

Using the coordinate entry fields, enter the center position.X: 0.0 mm,

Y: 0.0 mm,

Z: 0.0 mm,

Press the Enter key to accept this point.Using the coordinate entry fields, enter the radius of the circle:

dX: 0.31 mm,

dY: 0.0 mm,

dZ: 0.0 mm,

Press the Enter key to accept this point.Note: The values are by default in mm.

b) To set the name:Select the Attribute tab from the Properties window. Forthe Value of Name type: p1

Click the OK button.c) To select the object p1:

Select the menu item Edit > Select > By Name.

Select Object Dialogo Select the objects named: p1 o

Click the OK button.

Lab - 3 Antenna and Wave Propagation Spring 2010





3

Task - 1:Create a Rectangular Wave Port with Base at Z=5 and Area = 144 Sq inches.

Instructor’s Verification:

4. Set Default MaterialTo set the default material:

o Using the 3D Modeler Materials toolbar, choose vacuum.

5. Create Aira) To create Air.

Select the menu item Draw > Box.Using the coordinate entry fields, enter the box position.

X: - 5.0,Y: - 10.0,Z: 0.0,

Press the Enter key to accept this point.

Using the coordinate entry fields, enter the opposite corner of thebase rectangle:

dX: 10.0,dY: 20.0,dZ: 12.0,

Press the Enter key to accept this point.b) To set the name:

Select the Attribute tab from the Properties window. Forthe Value of Name type: Air

Click the OK button.c) To fit the view:

Select the menu item View > Fit All > Active View.




4

6. Create Radiation Boundarya) To create a face list.

Select the menu item Edit > Select > By Name.

Select Object Dialog,o Select the objects named: Air o

Click the OK button.Select the menu item HFSS > Bounda ries > Assign > Radiation.

Radiation Boundary windowo Name: Rad1o Click the OK button

7. Create Infinite Ground Planea) To create a face list

Select the menu item Edit > Select > Faces.

Graphically select the face of the Air object at Z=0.

Select the menu item HFSS > Boundaries > Assign > FiniteConductivity.

Finite Conductivity Boundary window.o Name: gnd_plane.

o Use Material: Checked. oClick the vacuum button. o

Select Definition Window:Type copper in the Search by Name field.


Infinite Ground Plane: Checked.







6

ANALYSIS

A) Analysis Setup

1. Creating an Analysis Setupa) To create an analysis setup:

Select the menu item HFSS > Analysis Setup > Add Solution Setup.

Solution Setup Window:

o Click the General tab:Solution Frequency: 0.55 GHz.Maximum Number of Passes: 20

Maximum Delta S per Pass: 0.002 o


2. Adding a Frequency Sweep

a) To add a frequency sweep:Select the menu item HFSS > Analysis Setup > Add Sweep.

o Select Solution Setup: Setup1o Click the OK button.

Edit Sweep Window:o Sweep Type: Fast .

o Frequency Setup Type: Linear Count.Start: 0.35GHzStop: 0.75GHzCount: 401

Save Fields: Checked. o


3. Save Projecta) To save the project:

In an Ansoft HFSS window, select the menu item File > Save As.

From the Save As window, type the Filename: rect_wave_port .

Click the Save button.

B) Analyze

1. Model Validationa) To validate the model:

Select the menu item HFSS > Validation Ch eck .

Click the Close button.

Note: To view any errors or warning messages, use the Message Manager.




7

2. Analyzea) To start the solution process:

Select the menu item HFSS > Analyze .

3. Solution Dataa) To view the Solution Data:

Select the menu item HFSS > Results > Solution Datao To view the Profile:

Click the Profile Tab.o To view the Convergence:

Click the Convergence Tab.

Note: The default view is for convergence is Table. Select the Plot radiobutton to view a graphical representations of the convergence data.

o To view the Matrix Data:Click the Matrix Data Tab

Note: To view a real-time update of the Matrix Data, set the Simulation toSetup1, Last Adaptive .

Click the Close button.




8

Task - 3:Analyze the model you have created in Task - 1 and Task - 2.


PLOT:




9

REPORTS

A) Create Reports

1. Create Modal S-Parameter Plot - Magnitudea) To create a report:

Select the menu item HFSS > Results > Create Report

Create Report Window:o Report Type: Terminal S Parameters . o

Display Type: Rectangular Plot .

o Click the OK button.

Traces Window:o Solution: Setup1: Sweep1 . o

Domain: Sweep .

o Click the Y tab.

Category: Terminal S Parameter .Quantity: St(p1,p1),

Function: dBClick the Add Trace button. o

Click the Done button.






11

Task - 5:Create report of the model you have analyzed in Task - 3.


PLOT:


Documents

2010Antenna-Lab3