Research Article
Element-Free Galerkin Method Based on Block-Pulse Wavelets Integration for Solving Fourth-Order Obstacle Problem
Table 2
Observed maximum errors for Problem
2, using BPF (
25).
| Type of basis | Number of nodes | Max. absolute error | Our method using BPF 100 sets of block pulse functions | Central difference method [1] | Quartic spline method [2] | Cubic-spline method [4] | Using quadrature rule with 100 Gauss points |
| Constant | 12 | | | | | | Constant | 24 | | | | | |
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