# Ansys HFSS Antenna Arrays  and Periodic Structures

## Course Overview

The Ansys HFSS Antenna Arrays and Periodic Structures course explores topics such as Infinite Array (Unit Cell analysis), Finite Array with both periodic and semi-periodic (non-identical) unit cell structures, scanning the beams using Finite Array Beam Angel Calculator Toolkit, and Frequency Selective Surfaces (FSS). This course is designed for intermediate-advanced users and includes four modules with workshops that demonstrate the workflows from start to finish.

## Prerequisites

• Prior knowledge of Ansys HFSS Getting Started Course and Ansys HFSS 3D Components, Boundary Conditions, Ports and Mesh Course are required.
• Knowledge of antenna design and relevant parameters including S-parameters, Directivity, Gain, Realized Gain, Axial Ratio, Linear and Circular Polarization are highly recommended.
• Knowledge of antenna impedance matching, infinite array and finite array principles are also important as workshops utilize these engineering principles.

## Target Audience

Antenna Design Engineers.

## Teaching Method

Lectures and hands-on simulation workshops to develop familiarity and productive skill in analyzing antenna arrays and periodic structures using HFSS. Although the course listing is instructor led, the simulation workshops are self-explanatory and easy to follow for independent learners.  A training certificate is issued on completion of the course.

### Learning Outcome

Following completion of this course, you will be able to:

• Make a unit cell and set up periodic boundary conditions and excitations for infinite array simulation.
• Define circular polarization for a unit cell.
• Scan the beam and check both far-field patterns and embedded element patterns.
• Transform the unit cell setup into finite array configuration and apply Finite Array Domain Decomposition Method (FADDM) in HFSS.
• Create finite array model (active, passive, padding elements) and set the excitations of the elements.
• Steer the beam using the finite array beam angle calculator toolkit.
• Use and arrange non-identical 3D component unit cells in a finite array and apply Component Array Domain Decomposition Method (CADDM) in HFSS.
• Mesh CADDM in a way that reduces the memory footprint and improves the simulation performance.
• Define Source Groups and apply them for Far-Field patterns
• Define Frequency Selective Surface (FSS) unit cell and set up periodic boundary conditions, Floquet ports, and analysis setup.
• Evaluate the FSS results such as transmission and reflection plots, phase transmission and port fields for different modes.
• Extract FSS unit cell’s transmission/reflection coefficients and apply it for a Radome design.

### Available Dates

Date / TimeDurationEvent TypeLocationLanguageCourse CostRegistration
14-Jun-22
15:00-17:00
Europe/Berlin
2 Sessions
14-Jun-22 to 15-Jun-22
VirtualVIRTUAL EUEnglishSubscription Only

### Learning Options

Training materials for this course are available with a Ansys Learning Hub Subscription. If there is no active public schedule available, private training can be arranged. Please contact us.

### Agenda

This is a 1-day classroom course covering both tutorials and workshops. For virtual training, this course is covered over 4 x 2 hour sessions. Module 1 Introductory workshops provide antenna-related HFSS familiarity; they should be completed independently prior to the start of class.

Virtual Classroom Session 1

• Module 1 / Lecture 1: Unit Cell/Infinite Array Analysis
• Workshops 1.1: Unit Cell Waveguide
• Workshop 1.2:  Unit Cell Patch Antenna

Virtual Classroom Session 2

• Module 2 / Lecture 2: Finite Array Domain Decomposition Method (FADDM)

Virtual Classroom Session 3

• Module 3:  Workshop3.1 Component Array Domain Decomposition Method (CADDM)

Virtual Classroom Session 4

• Module 4 / Lecture 4: Frequency Selective Surfaces (FSS)
• Workshops 4.1: FSS Unit Cell Analysis