FE-Meshfree QUAD4 Element with Modified Radial Point Interpolation Function for Structural Dynamic Analysis

Table 9

Natural frequencies () of shear wall.

Model	FEM-QUAD4	FE-Meshfree (QS)	LRPIM (MQ) [13]	Brebbia (BEM) [64]	ANSYS [49]	ABAQUS	QUAD4-CNS [50]
1	2.074	2.085	2.086	2.079	2.057	2.073	2.094
2	7.114	7.117	7.152	7.181	7.067	7.096	7.124
3	7.627	7.632	7.647	7.644	7.620	7.625	7.590
4	11.978	12.063	12.019	11.833	11.840	11.938	12.192
5	15.444	15.410	15.628	15.947	15.313	15.341	15.451
6	18.429	18.351	18.548	18.644	18.342	18.345	18.330
7	19.991	19.882	20.085	20.268	19.887	19.876	19.858
8	22.348	22.258	22.564	22.765	22.236	22.210	22.225