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Trajectories of a DAE near a pseudo-equilibrium

2003
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Nonlinearity
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We consider a class of differential-algebraic equations (DAEs) defined by analytic nonlinearities and study its singular solutions. The main assumption used is that the linearization of the DAE represents a Kronecker index-2 matrix pencil and that the constraint manifold has a quadratic fold along its singularity. From these assumptions we obtain a normal form for the DAE where the presence of the singularity and its effects on the dynamics of the problem are made explicit in the form of a

doi:10.1088/0951-7715/17/1/015
fatcat:ezqcx6paijfnpf4fb3d26nzary