: Correlating 3D Solvers: A Step-by-Step Guide for Comparing EM Simulation Tools

When comparing Electromagnetic (EM) simulation tools, it's essential to ensure that the results are reliable and comparable. To achieve this, we need to follow a structured approach that minimizes variability in the simulation setup. In this guide, we outline the steps to correlate 3D solvers and provide guidelines for comparing results between EM simulation tools.

 Step 1: Model Preparation

 Geometry: Ensure that the geometry is identical between simulations, including airbox size. Export the model from other tools in .stp or .sat format.

 Port Locations: Include port shapes in the exported model file to guide port placement in Clarity.

Step 2: Materials and Stackup

 Material Assignment: Provide an image or material spreadsheet describing the material assignment.

 Material Properties: Include dielectric properties and frequency-dependent models (e.g., Debye model, D-Sarker model).

 Conductor Information: Specify conductor types (non-copper) and properties (e.g., surface roughness, etch-dependent modifications).

Step 3: Solution Setup and Results

  Solution/Meshing Frequency: Provide the solution/meshing frequency used in the simulation.

  Convergent Criteria: Specify the convergent criteria used to ensure accuracy.

  Frequency Sweep: Provide the frequency sweep start and stop values.

  Special Metal Modeling: Mention if any special metal modeling techniques were employed (e.g., solved inside the metal or skin depth).

  Runtime and Hardware: Report runtime and computer hardware information (number of cores, RAM, etc.).

  Simulation Profile: Provide a simulation profile from other tools to facilitate comparison.

Step 4: Result Comparison

S-Parameter Results:  Obtain s-parameter results from other tools for comparison.

Best Practices:

* Keep the simulation setup as similar as possible between tools.

* Document all simulation settings and parameters.

* Verify that the simulation results are reliable and accurate.

By following these steps and guidelines, you'll be able to ensure a fair and accurate comparison of EM simulation tools, allowing you to make informed decisions and optimize your design.

You can also refer to the link here for more interesting information

Cheers,

Shiva Prasad Jilla