This Tech Talk will demonstrate how the different dosimetry values are simulated by introducing the CST human model family and the whole CST BioExtension library and will conclude with bio-electromagnetic simulation examples from various industries.
Understanding the interactions between the human body and electromagnetic fields is of essential interest in many areas of research and engineering as those may be directly related to potential health risks and hazards. Checking safety is even a legal requirement for many applications. This is especially challenging as the inside of the human body is typically inaccessible to measurements which makes simulation the only reliable way to analyze these effects.
At different frequency ranges, different physical effects are dominating: field induction is used at lower frequencies, e.g. electric vehicles or high power machines; whereas, power deposition—measured by the specific absorption rate (SAR)—is used for microwave frequencies, e.g. mobile communication and also surface heading effects in the new mm waves used in the new 5G brands. All loss results can be converted directly into temperatures using the built-in BioHeat-solver.
To analyze the different interactions as precisely as possible, accurate and highly resolved human models and material properties are required as a pre-requisite. SIMULIA’s electromagnetic simulation solution, CST Studio Suite, comes with an extensive library of human models that are both voxel and CAD-based. This makes it possible to enable analyses of the EM dosimetry in all imaginable realistic situations!