Linear Stability Analysis of Thermal Convection in an Infinitely Long Vertical Rectangular Enclosure in the Presence of a Uniform Horizontal Magnetic Field

Table 2

Variation of the neutral Grashof number for several cases of number of grids at Pr=0.025, 𝑘=0.83, and Ha=5.0.

Number of meshes	Gr
	2nd-order	4th-order
30 × 30	2280.63	2191.22
50 × 50	2177.64	2152.50
70 × 70	2153.61	2142.76