* Finite Different Time Domain (FDTD) method
* Shoot-and-Bounce-Rays (SBR) method
* Physical Optics Finite Difference (PO) method: Geometrical Optics - Physical Optics (GO-POFD) method solution of electrostatic and Iterative Physical Optics (IPO) method magnetostatic Laplace/Poisson equations
* Mixed Potential Integral Equation (MPIE) method for multilayer planar structures also known as [[Planar Method of Moments|Planar method of Moments]] (PMOM)
* Wire Method of Moments (WMOM) based on Pocklington integral equation
* Surface Method of Moments (SMOM) with Adaptive Integration Equation (AIM) accelerator
* Finite Difference Physical Optics (FDPO) method: Geometrical Optics - Physical Optics (GO-PO) method solution of electrostatic and magnetostatic Laplace/Poisson equationsIterative Physical Optics (IPO) method
Of [[EM.Cube]]'s computational modules, [[EM.Tempo]] serves as a general-purpose electromagnetic simulator that can handle most types of modeling problems involving arbitrary geometries and complex material variations in both time and frequency domains. The table below compares [[EM.Cube]]'s computational modules and its simulation engines with regards to modeling accuracy, frequency limitations and the type of numerical solution they offer:
{| class="wikitable"
| style="width:200px;" | Scattering from very large surface structures & antenna-platform combinations
|}
{{Note|Among [[EM.Cube]]'s computational modules, [[EM.Tempo]] serves as a general-purpose electromagnetic simulator than can handle most types of modeling problems involving arbitrary geometries and complex material variations in both time and frequency domains.}}
== Geometrical Construction of the Physical Structure ==