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Using Field Solutions from Other Simulations

HFSS and HFSS-IE can use field solutions from other simulations as source designs. The source designs can be done in HFSS, SIwave or Maxwell3D. Some examples are as follows

• A detailed and optimized design of a cell phone radiating in a larger environment (HFSS to HFSS).

• A complicated printed circuit board causing EMC/EMI problems in and around its housing (SIwave to HFSS).

• An electromechanical component causing EMC/EMI problems in a vehicle (Maxwell3D to 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.

Note: The environment variable SIWAVE_INSTALL_DIR should be set before executing the parent application like HFSS/Designer because SIwave is launched from HFSS/Designer and not separately.

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.

HFSS-IE Link

You can link HFSS and HFSS-IE projects. The link is controlled with a "Near Field" or "Far-Field" Incident Wave source that is grouped with the Excitations.

• Far Field Wave

• Near Field Wave

Related Topics

HFSS-IE Feature