Opal: An open source ray-tracing propagation simulator for electromagnetic characterization

Area of Science:

• Computational electromagnetics
• Wave propagation modeling

Background:

• Ray-tracing methods offer accurate electromagnetic propagation simulation based on high-frequency Maxwell equations.
• High computational cost has limited ray-tracing's application in large, dynamic scenarios.
• Advancements in GPU computing are making ray-tracing more feasible for complex simulations.

Purpose of the Study:

• Introduce Opal, a novel electromagnetic propagation simulation tool.
• Highlight Opal's capabilities, implementation details, and integration with game engines.
• Validate Opal's performance in demanding scenarios like tunnels.

Main Methods:

• Implementation of ray-tracing on graphical processing units (GPUs).
• Integration of the simulator within the Veneris framework and game engines.
• Validation against theoretical solutions in complex environments.

Main Results:

• Opal provides accurate electromagnetic propagation simulation.
• Integration with game engines allows for quick and intuitive 3D environment generation.
• Performance in demanding scenarios like tunnels was validated.

Conclusions:

• Opal offers an efficient and accurate solution for electromagnetic propagation simulation.
• The tool's integration capabilities enhance usability and application scope.
• Opal demonstrates a viable approach for complex, large-scale electromagnetic simulations.