[Base] Shell08 – Cantilever Plate Eigenvalue Problem

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Output Parameter	Model and Mesh	OpenBrIM	SAP2000	Independent	Percent Difference (SAP2000 vs Independent)	Percent Difference (OpenBrIM vs Independent)
Period Mode 1 (sec)	A 10 x 10	A1:	0.01743	0.01723	+1.2%	A1;
	B 20 x 20	B1:	0.01737		+0.8%	B1;
	C 40 x 40	C1:	0.01735		+0.7%	C1;
Period Mode 2 (sec)	A 10 x 10	A2:	0.00717	0.00704	+1.8%	A2;
	B 20 x 20	B2:	0.00710		+0.9%	B2;
	C 40 x 40	C2:	0.00708		+0.6%	C2;
Period Mode 3 (sec)	A 10 x 10	A3:	0.00288	0.00281	+2.5%	A3;
	B 20 x 20	B3:	0.00284		+1.1%	B3;
	C 40 x 40	C3:	0.00283		+0.7%	C3;
Period Mode 4 (sec)	A 10 x 10	A4:	0.00228	0.00219	+4.1%	A4;
	B 20 x 20	B4:	0.00223		+1.8%	B4;
	C 40 x 40	C4:	0.00222		+1.4%	C4;
Period Mode 5 (sec)	A 10 x 10	A5:	0.00200	0.00193	+3.6%	A5;
	B 20 x 20	B5:	0.00196		+1.6%	B5;
	C 40 x 40	C5:	0.00195		+1.0%	C5;

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