In this work we present the release of a novel easy-to-use software package called DGM or Directed-Graph-Mapping. DGM can automatically analyze any type of arrhythmia to find reentry or focal sources if the measurements are synchronized in time. Currently, DGM requires the local activation times (LAT) and the spatial coordinates of the measured electrodes. However, there is no requirement for any spatial organization of the electrodes, allowing to analyze clinical, experimental or computational data. DGM creates directed networks of the activation, which are analyzed with fast algorithms to search for reentry (cycles in the network) and focal sources (nodes with outgoing arrows). DGM has been mainly optimized to analyze atrial tachycardia, but we also discuss other applications of DGM demonstrating its wide applicability. The goal is to release a free software package which can allow researchers to save time in the analysis of cardiac data. An academic license is attached to the software, allowing only non-commercial use of the software. All updates of the software, user and installation guide will be published on a dedicated website www.dgmapping.com.
It is very advantageous to have a solid grasp of the thermo-elasticity property of the material while designing an automobile brake at an early design stage. To ensure mechanical brakes' longevity and compactness, which are both crucial in this application, it is recommended that the accurate prediction technique of maximum structural stress be employed throughout the design process for mechanical brakes. As a consequence of this research, a practical and dependable analytical approach for the design of mechanical brakes has been developed, which makes use of modelling and analysis methodologies to accomplish its objectives. In this research, the stress analysis of an automobile's brake was carried out, with the purpose of minimising the stress and pressure created in the brake as a result of the vehicle braking. The complete investigation of the brake, as well as the modelling of the brake, will be carried out using the ANSYS software. The CAD software called CATIA will be used to do the clutch analysis. It is envisaged that this effort will also contribute to the creation of the most efficient and dependable mechanical brake design in the future. In this study, we investigate the structural, thermal and wear behaviour aspects of brake shoe liners coated with nano composite coating materials such as ZrO2 to see how they perform.
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