07-39

Convergence analysis of sectional methods for solving breakage population balance equations-I. The fixed pivot technique.

by Kumar, J.; Warnecke, G.

 

Preprint series: 07-39, Preprints

MSC:
65R20 Integral equations
65M99 None of the above but in this section

 

Abstract: In this work we study the convergence of the fixed pivot techniques (Kumar and Ramkrishna, 1996, Chem. Eng. Sci., 51, 1311-1332) for breakage problems. In particular, the convergence is investigated on four different types of uniform and non-uniform meshes. It is shown that the fixed pivot techniqe is second order convergent on a uniform and non-uniform smooth meshes. Furthermore, it gives first order convergence on a locally uniform mesh. Finally the analysis shows that the method does not converge on a non-uniform random mesh. The mathematical results of convergence analysis are also validated numerically.

Keywords: Population Balance, Convergence, Fixed Pivot, Breakage, Particles


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