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Sim4Life V9.2 was released on December 9, featuring new capabilities, numerous bug fixes, and platform-wide enhancements for even better performance and usability. Key highlights of the new release include: Advanced third-generation anatomical modeling with AI-powered tools that generate solver-ready models directly from MRI/CT scans. New Broadband Skin Model enabling absorbed power density (APD) evaluation for regulatory compliance and device safety assessments across the 10-110 GHz frequency range. New Deep Brain Stimulation (DBS) / Stereoelectroencephalography (sEEG) electrode generator, supporting streamlined model creation for neurostimulation applications. Upgraded ViP models (Duke, Ella, Fats, Billie, Thelonious, and Yoon-sun), now featuring more realistic articulation geometries, including extreme postures. A detailed list of all changes can be found in the Release Notes . Download Sim4Life V9.2 is available for download via item 4. Sim4Life Installer, or directly through the Automatic Software Update window in the Sim4Life GUI. License Your current license file provided by ZMT remains valid for this version. We thank you for your valuable feedback and hope this release further enhances your productivity and workflows. For additional feedback or suggestions, please feel free to contact us at s4l-sales@zmt.swiss. The Sim4Life Team

When the stop button is pushed in the task manager, while a simulation is running, it will generate an event that is equivalent to "enforcing" a "convergence reached" state from the solver perspective. That's why the following log will appear inside the Solver-Log tab WARNING: [...] Simulation end request received. The solvers starts to consider this. Steady state detected at iteration x, remaining time steps are y. Simulation performed z iterations. Elapsed time for 'Time Update' was xx:xx:xx wall clock time.

When you provide multiple EM-LF simulations as sources to the Neuron solver, the neuron effectively receives the sum of the extracellular fields/potentials generated by the individual simulations (assuming the same modulation pulse is used). This is expected behavior because EM-LF simulations are linear, and therefore their solutions can be superimposed. To verify this behavior, you can use the Field Combiner tool in Sim4Life: First, combine the EM-LF results using the Field Combiner, which applies linear superposition of the fields. Then, use the combined field as a single source for the Neuron simulation. If you compare this setup to a Neuron simulation where the individual EM-LF results are used as separate sources (with the same modulation pulse), the neuron response will be identical. This confirms that, internally, the Neuron solver is operating on the sum of the fields from the different EM-LF simulations. If additional verification is desired, the EM-LF fields can also be interpolated along the neuron spline (for each simulation individually and for the Field Combiner result) to explicitly confirm that the combined field corresponds to the pointwise sum of the individual fields. Note: the field combiner expects the fields to be at the same frequency. If you would like more information about a specific application, or if you would like to share your project with us to receive more targeted feedback, please do not hesitate to contact us at s4l-support@zmt.swiss.