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Extended Seismic Source Characterisation using Linear Programming Inversion in ...
Caldeira, B.; Borges, J.F.; Bezzeghoud, M.; Bushenkov, V.; Smirnov, G.A linear programming (LP) inversion method in a dual formulation was applied to reconstruct the kinematics of finite seismic ruptures. In a general setting, this approach can yield results from several data sets: strong ground motion, teleseismic waveforms or/and geodesic data (static deformation). The dual formulation involves the transformation of a normal solution space into an equivalent but reduced space: ...
On the determination of the earthquake slip distribution via linear programming...
Bushenkov, V.; Caldeira, B.; Smirnov, G.The description that one can have of the seismic source is the mani- festation of an imagined model, obviously outlined from Physic Theories and supported by mathematical methods. In that context, the modelling of earthquake rupture consists in finding values of the parameters of the selected physics-mathematical model, through which it becomes possible to reproduce numerically the records of earthquake effects...
Resultados preliminares do projecto SISMOD
Caldeira, Bento; Borges, José Fernando; Bezzeghoud, Mourad; Bushenkov, Vladimir; Smirnov, G.Apresentação dos principais resultados do projecto que tinha como objectivo principal desenvolver um algoritmo para a caracterização espaço-temporal de deslizamentos para qualquer tipo de fonte sísmica. O método de inversão deveria ser desenvolvido por forma a permitir usar, em simultâneo dados sísmicos campo próximo; sísmicos a distâncias telesísmicas e; geodésicos. Nesta comunicação foi apresentado o método d...
Discrete and continuous dynamical systems: preface
Pinho, Maria do Rosário; Ferreira, M. Margarida Amorim Ferreira; Fontes, Fernando A. C. C.; Pereira, Fernando L.; Smirnov, G.; Torres, Delfim F. M.These preface words, quoted in Francis Clarke's 1983 book, stroke a sensitive chord and set the tone for a vision fueling the construction of an extremely rich body of intertwined developments in nonsmooth analysis, optimization and control by a carefully networked community. This special issue comprises post-conference articles from a selection of works presented at the Workshop on Control, Nonsmooth Analys...
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