Conforming Finite Element Approximations for a Fourth-Order Steklov Eigenvalue Problem

Table 2

Numerical eigenvalues on the square domain Ω=(0,𝜋/2)×(0,𝜋/2) using Morley element.

ℎ	𝜆1,ℎ	𝜆2,ℎ	𝜆3,ℎ	𝜆4,ℎ
√2𝜋16	2.1526851	3.9593995	4.1045601	5.1088362
√2𝜋32	2.1961067	4.2871754	4.3250009	5.7806630
√2𝜋64	2.2083493	4.3822829	4.3917069	5.9986854
√2𝜋128	2.2115857	4.4075238	4.4098509	6.0600499
√2𝜋256	2.2124164	4.4139906	4.4145665	6.0761982
√2𝜋512	2.2126268	4.4156245	4.4157676	6.0803290