Perhitungan Matrix Untuk Soal Nomor 2
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Transcript of Perhitungan Matrix Untuk Soal Nomor 2
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8/18/2019 Perhitungan Matrix Untuk Soal Nomor 2
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Perhitungan Matrix untuk soal nomor 2.
U2 U3 V3 U4 V4
82417582418
1.6 -0.6 -0.05 -0.8 0.95 U2
-0.6 1.6 0.65 -0.2 -0.05 U3
-0.05 0.65 2.9 0.05 1.1 V3
-0.8 -0.2 0.05 1.6 -0.65 U4
0.95 -0.05 1.1 -0.65 2.9 V4
[K] [d] [F]
1.31868E+11
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49450549451 -4120879121
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65934065934 78296703297 d1-50
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49450549451 1.31868E+11 53571428571
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16483516484 -4120879121 d2-50
-4120879121 53571428571 2.39011E+11 4120879121 90659340659 d3 = 100
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65934065934
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16483516484 4120879121 1.31868E+11
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53571428571 d40
78296703297 -4120879121 90659340659
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53571428571 2.39011E+11 d5-100
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8/18/2019 Perhitungan Matrix Untuk Soal Nomor 2
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[K]-1 [F] [d]
1.58299E-11 6.79532E-12 -9.8159E-14 7.39704E-12 -3.37332E-12 -50 -8.0375E-10
6.79532E-12 1.18441E-11
-2.66625E-
12 5.00688E-12 1.11726E-13-50
-1.2098E-
09
-9.8159E-14
-2.66625E-
12 5.78101E-12
-1.60566E-
12 -2.5665E-12100
=
9.7297E-
10
7.39704E-12 5.00688E-12
-1.60566E-
12 1.23836E-11 1.04783E-120
-8.8554E-
10
-3.37332E-
12 1.11726E-13 -2.5665E-12 1.04783E-12 6.49924E-12-100
-7.4349E-
10
[B]
0.5
-1 0 -1 0 1 0 -1 0
0 -2 0 -2 0 2 0 2
-2 -1 -2 1 2 1 2 -1
[D]
329670329670
1 0.3 0
0.3 1 0
0 0 0.35
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[B]
-0.5 0 -0.5 0 0.5 0 -0.5 0
0 -1 0 -1 0 1 0 1
-1 -0.5 -1 0.5 1 0.5 1 -0.5
Stresses = [D] * [B] * [d]
[D] * [B]
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1.64835E+11
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98901098901
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1.64835E+11
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98901098901 1.6484E+11 9.8901E+10 -1.6484E+11 9.8901E+10
-49450549451 -3.2967E+11
-49450549451 -3.2967E+11 4.9451E+10 3.2967E+11 -4.9451E+10 3.2967E+11
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1.15385E+11
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57692307692
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1.15385E+11 57692307692 1.1538E+11 5.7692E+10 1.15385E+11
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5.7692E+10
[D] * [B] *[d]
101.737712
99.36430784
-50
[d]
0
0-8.03747E-10
0
-1.20977E-09
9.72971E-10
-8.85545E-10
-7.43495E-10
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Perhitungan Matrix untuk soal nomor 3.
[K] * [t] = [F]
[t] = [K]-1
* [F]
[k] [F] [t]
1 0 0 0 30 t1
0 11.098 -3.194 0 590.62 = t2
0 -3.194 11.098 -3.194 494.8 t3
0 0 -3.194 6.334 290.59 t4
[K]-1 [F] [t]
1 0 0 0 30 30
0 0.099773 0.033589 0.016938 590.62 = 80.47019
0 0.033589 0.116711 0.058853 494.8 94.68947
0 0.016938 0.058853 0.187556 290.59 93.62617