Search results for "Analisi numerica"
showing 10 items of 111 documents
Un solutore meshfree per EEG e MEG
2014
Non-invasive imaging of biological microstructures by VHF waves
2014
Un metodo meshfree implicito nel dominio del tempo per l'analisi elettromagnetica in transitorio
2010
Bio-electromagnetic Numerical Modeling for Health Diagnostics
CARATTERIZZAZIONE ELETTROMAGNETICA DEL COMPORTAMENTO DINAMICO DI ELETTRODI INTERRATI IN PRESENZA DI IONIZZAZIONE DEL TERRENO
2009
IMAGING DI CANALI SOTTILI PER APPLICAZIONI BIO-MEDICALI
2013
Beyond the BEM Solution of the M/EEG Forward Problem: a Meshfree Approach
2014
Un metodo numerico meshfree particellare nel dominio del tempo per l’analisi elettromagnetica: sviluppo di applicazioni 3D
2009
An efficient method to reconstruct invariant manifolds of saddle points
2017
In vector field analysis, saddle points have two different types of invariant manifolds, namely stable ones and unstable ones. The invariant manifolds represent separatrices that partition the domain of trajectories into invariant regions of different dynamics. In this work, we analyze the basins of attraction of two different stable nodes by reconstructing the separatrices of a saddle point. To this purpose we present a computational algorithm that detects the points lying on the manifold, considering the plane generated by the two stable eigenvectors of the saddle point. Finally we reconstruct the surface by using the moving least-squares approximant method.
On invariant manifolds of saddle points for 3D multistable models
2017
In dynamical systems a particular solution is completely determined by the parameters considered and the initial conditions. Indeed, when the model shows a multistability, starting from different initial state, the trajectories can evolve towards different attractors. The invariant manifolds of the saddle points separate the vector field into the basins of attraction of different stable equilibria. The aim of this work is the reconstruction of these separation surfaces in order to know in advance the geometry of the basins. In this paper three-dimensional models with three or more stable fixed points is investigated. To this purpose a procedure for the detection of the scattered data lying …