A new class of explicit preconditioning methods based on the concept of sparse approximate factorization procedures and inverse matrix techniques is introduced for solving biharmonic equations. Isomorphic methods in conunction with explicit preconditioned schemes based on approximate inverse matrix techniques are presented for the efficient solution of biharmonic equations. Application of the proposed method on linear systems is discussed and numerical results are given.
Gravvanis, G.A. (2000), "Explicit preconditioned conjugate gradient schemes for solving biharmonic equations", Engineering Computations, Vol. 17 No. 2, pp. 154-165. https://doi.org/10.1108/02644400010313101
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