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Nasogastric tube (NGT) placement is an essential clinical skill. The training is conventionally performed on rubber mannequins albeit practical limitations. Computer simulation with haptic feedback can potentially offer a more realistic and accessible training method. However, the complex interactions between the tube and the nasogastric passage make it difficult to model the haptic feedback during...
A nonlinear physical simulation is presented involving the soft body deformation and interaction contacts. We demonstrate the finite element method relying on Lagrangian discretization to simulate the deformation of the soft body with hyperelastic material properties. To perform a stable simulation, we use the constrained Delaunay Tetrahedralization to resampling and remeshing the object. A new contact...
Threshold and lifetime of high power laser array are sensitively related to the temperature rise. The two structures of heat sink are studied and the distributions of temperature in the heat sinks are given with the same the power density. The first one is a rectangle heat sink in the cross section. It is found that the temperature increases with the thickness of heat sink. Another one is a concave...
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