Zeland Software’s IE3D is a full-wave electromagnetic (EM) simulator widely used for planar and 3D high-frequency structures. Version 15.127 (a late sub-release of v15) introduces notable refinements in meshing, solver convergence, and material modeling. This paper reviews the key new functionalities, benchmark performance improvements, and practical implications for RF/microwave engineers designing antennas, filters, and high-speed interconnects.
For new users: IE3D v15.127 offers the best balance of planar efficiency and 3D accuracy. It is not as general-purpose as HFSS or CST, but for 80% of RF/microwave engineering tasks (antennas, filters, PCBs, packages), it is faster and more memory-efficient.
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