A POSTERIORI ERROR ESTIMATES 3 ESPACIOS DE JACOBI-SOBOLEV CON PESOS 3 ESTIMACIONES DE ERROR A POSTERIORI 3 JACOBI-WEIGHTED SOBOLEV SPACES 3 METODOS P Y HP DE ELEMENTOS FINITOS 3 P AND HP FINITE ELEMENT METHODS 3 Adaptive algorithms 2 Adaptive methods 2 Adaptive strategy 2 Algebra 2 Algebraic system 2 Algebraic techniques 2 Discretization process 2 Eigenvalues and eigenfunctions 2 Finite element method 2 Fluid structure interaction 2 Fluid-solid coupled 2 Fluid-structures 2 Generalized eigenvalue problems 2 Hp finite element adaptive method 2 Hp-finite element methods 2 Incompressible fluid 2 Numerical tests 2 Parallel tubes 2 Posteriori error indicator 2 Spectral problem 2 Tubes (components) 2 Vibrating conveyors 2 Vibration analysis 2 Vibration modes 2