Computational FEM Model, Phantom and Ex Vivo Swine Breast Validation of an Optimized Double-Slot Microcoaxial Antenna Designed for Minimally Invasive Breast Tumor Ablation: Theoretical and Experimental Comparison of Temperature, Size of Lesion, and SWR, Preliminary Data

Table 2

Conditions used for simulation of MTA treatment on breast and tumor phantom.

Parameter	Value
Space dimension	Axial symmetry 2D
Heat-transfer module	Time-dependent analysis
RF module	Frequency domain analysis
Boundary RF module	Setting
axis	Axial symmetry
Port mode	Coaxial
All others	Impedance (Air)
Boundary heat-transfer module	Setting
All exterior	Constant temperature (25°C)
Mesh	Value
Number of vertex elements	27
Number of boundary elements	2412
Number of elements	12135
Breast thermal conductivity	0.42 W/m °K [22]
Breast cancer thermal conductivity	0.50 W/m °K [22]
Blood density	920 Kg/m^3 [22]
Blood heat capacity	3639 J/Kg/°K [23]
Blood perfusion rate	0.0036 s^−1 [23]