Tetrahedral Modeling Method for Inductance Extraction of Complex 3-D Superconducting Structures

We have developed a new 3-D numerical engine that we call TetraHenry and that uses tetrahedral volume elements to discretize complex geometries. Volume loop basis functions are used to discretize the volume integral equation to obtain the method-of-moments matrix equation. The fast multipole method used in FastHenry has been modified to support the conventional Schaubert-Wilton-Glisson basis functions. We demonstrate the validity and capabilities of this method by extracting the inductance from several superconducting structures and comparing the results to those obtained with FastHenry.