HFSS15: Assigning Incident Waves

HFSS allows you to assign seven different types of incident wave sources.

1. Click HFSS>Excitations>Assign>Incident Wave.

The HFSS cascade menu allows you to select one of the following types of incident waves:

Plane Wave

Hertzian-Dipole Wave

Cylindrical Wave

Gaussian Beam

Linear Antenna Wave

Far Field Wave

Near Field Wave

HFSS-IE allows you assign three types of incident wave sources.

1. Click HFSS-IE>Excitations>Assign>Incident Wave.

The HFSS cascade menu allows you to select one of the following types of incident waves:

Plane Wave

Far Field Wave

Near Field Wave

HFSS Transient allows you to assign incident Plane Wave.

Using Field Solutions from Other Simulations

HFSS and HFSS-IE can use field solutions from other simulations as sources for new simulations. The other simulations can be done in HFSS, in SIwave or in Maxwell3D. Some examples are (1) a detailed and optimized design of a cell phone radiating in a larger environment (HFSS-HFSS), (2) a complicated printed circuit board causing EMC/EMI problems in and around its housing (SIwave - HFSS) or (3) an electromechanical component causing EMC/EMI problems in a vehicle (Maxwell3D - HFSS). In all cases, radiated fields from the "source" project are imposed as an incident wave in the "target" project.

These radiated fields can both be far fields and near fields, depending on your judgment of what fits a particular situation. In the "target" project, they are defined through Incident Wave / Far Field Wave and Incident Wave / Near-Field Wave. There, the link to the "source" project can be established.

Also, in the "target" project, radiation boundaries with Advanced Options must be defined in order to specify where the fields from the "source" project enter the "target" project.