*** ACCELERATION SPECTRA FOR MODAL ANALYSIS *** ======================================= MATRIX : "spectra" row/col 1 2 units sec m/sec^2 1 0.00000e+00 1.47150e+00 2 1.00000e-01 1.76580e+00 3 2.00000e-01 2.45250e+00 4 3.00000e-01 3.72780e+00 5 4.00000e-01 4.90500e+00 6 5.00000e-01 4.90500e+00 7 6.00000e-01 3.92400e+00 8 8.00000e-01 3.13920e+00 9 1.00000e+00 2.45250e+00 10 1.20000e+00 1.86390e+00 11 1.40000e+00 1.37340e+00 12 1.60000e+00 9.81000e-01 13 1.80000e+00 6.86700e-01 14 2.00000e+00 4.90500e-01 15 2.40000e+00 3.92400e-01 16 2.80000e+00 2.94300e-01 17 3.20000e+00 1.96200e-01 18 3.40000e+00 1.96200e-01 MATRIX : "mass" row/col 1 2 3 4 units kg kg kg kg 1 1.50000e+03 0.00000e+00 0.00000e+00 0.00000e+00 2 0.00000e+00 3.00000e+03 0.00000e+00 0.00000e+00 3 0.00000e+00 0.00000e+00 3.00000e+03 0.00000e+00 4 0.00000e+00 0.00000e+00 0.00000e+00 4.50000e+03 MATRIX : "stiff" row/col 1 2 3 4 units N/m N/m N/m N/m 1 8.00000e+05 -8.00000e+05 0.00000e+00 0.00000e+00 2 -8.00000e+05 2.40000e+06 -1.60000e+06 0.00000e+00 3 0.00000e+00 -1.60000e+06 4.00000e+06 -2.40000e+06 4 0.00000e+00 0.00000e+00 -2.40000e+06 5.60000e+06 *** SUBSPACE ITERATION CONVERGED IN 10 ITERATIONS Mode 1 : w^2 = 117.8 1/sec^2 T = 0.5789 sec Mode 2 : w^2 = 586.5 1/sec^2 T = 0.2595 sec Mode 3 : w^2 = 1125 1/sec^2 T = 0.1873 sec MATRIX : "period" row/col 1 units 1 sec 5.78876e-01 2 sec 2.59453e-01 3 sec 1.87330e-01 MATRIX : "eigenvector" row/col 1 2 3 units 1 1.00000e+00 1.00000e+00 -9.00864e-01 2 7.79103e-01 -9.96239e-02 1.00000e+00 3 4.96553e-01 -5.39890e-01 -1.60784e-01 4 2.35062e-01 -4.37612e-01 -7.05724e-01 MATRIX : "SpectralAccn" row/col 1 units 1 m/sec^2 4.13122e+00 2 m/sec^2 3.21070e+00 3 m/sec^2 2.36550e+00 MATRIX : "gmass" row/col 1 2 3 units kg kg kg 1 4.30934e+03 2.84217e-13 -1.13687e-13 2 1.13687e-13 3.26599e+03 -4.54747e-13 3 -2.27374e-13 -2.27374e-13 6.53610e+03 MATRIX : "gstiff" row/col 1 2 3 units N/m N/m N/m 1 5.07691e+05 -2.18279e-11 1.16415e-10 2 -1.16415e-10 1.91539e+06 -1.16415e-10 3 2.32831e-10 -2.32831e-10 7.35295e+06 MATRIX : "gload" row/col 1 units 1 kg 6.38475e+03 2 kg -2.38779e+03 3 kg -2.00941e+03 MATRIX : "Y" row/col 1 2 3 units m m m 1 5.19545e-02 0.00000e+00 0.00000e+00 2 0.00000e+00 -4.00257e-03 0.00000e+00 3 0.00000e+00 0.00000e+00 -6.46441e-04 MATRIX : "modaldispl" row/col 1 2 3 units cm cm cm 1 5.19545e+00 -4.00257e-01 5.82355e-02 2 4.04779e+00 3.98752e-02 -6.46441e-02 3 2.57982e+00 2.16095e-01 1.03938e-02 4 1.22125e+00 1.75157e-01 4.56209e-02 Maximum Likely Floor Displacements (using SRSS) =============================================== Floor Mode Modes Modes No 1 1 & 2 1, 2 and 3 4 5.195 cm 5.211 cm 5.211 cm 3 4.048 cm 4.048 cm 4.049 cm 2 2.58 cm 2.589 cm 2.589 cm 1 1.221 cm 1.234 cm 1.235 cm Maximum Possible Floor Displacements (absolute values) ====================================================== Floor Mode Modes Modes No 1 1 & 2 1, 2 and 3 4 5.195 cm 5.596 cm 5.654 cm 3 4.048 cm 4.088 cm 4.152 cm 2 2.58 cm 2.796 cm 2.806 cm 1 1.221 cm 1.396 cm 1.442 cm Maximum Likely Story Drifts (using SRSS) ======================================== Story Mode Modes Modes No 1 1 & 2 1, 2 and 3 4 1.148 cm 1.229 cm 1.235 cm 3 1.468 cm 1.479 cm 1.48 cm 2 1.359 cm 1.359 cm 1.36 cm 1 1.221 cm 1.234 cm 1.235 cm Maximum Possible Story Drifts (absolute values) =============================================== Story Mode Modes Modes No 1 1 & 2 1, 2 and 3 4 1.148 cm 1.588 cm 1.711 cm 3 1.468 cm 1.644 cm 1.719 cm 2 1.359 cm 1.4 cm 1.435 cm 1 1.221 cm 1.396 cm 1.442 cm Inertia Forces for each mode ============================ MATRIX : "inertia_forces" row/col 1 2 3 units N N N 1 9.18127e+03 -3.52106e+03 9.83037e+02 2 1.43063e+04 7.01546e+02 -2.18364e+03 3 9.11798e+03 3.80201e+03 3.55155e+02 4 6.47450e+03 4.62254e+03 2.30532e+03 Shear Forces (at base of the structure) ======================================= MATRIX : "base_shear_forces" row/col 1 2 3 units N N N 1 3.90800e+04 5.60504e+03 1.45987e+03 Base Shear Force : Maximum Likely = 3.951e+04 N : Maximum Possible = 4.614e+04 N Overturning Moments (at base of the structure) ============================================== MATRIX : "base_overturning_moments" row/col 1 2 3 units N.m N.m N.m 1 3.13063e+05 7.40882e+02 1.19055e+03 Overturning Moments : Maximum Likely = 3.131e+05 N.m : Maximum Possible = 3.15e+05 N.m