Partea I FEM / Capitolul I.6 Concluzii

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Capitolul I.6

CONCLUZII

Tab.6.1.a Tensiunile maxime n cazul sagging, full load

Sagging/Full |sigx-max| Deck [N/mm2] |sigx-max| Bottom [N/mm2] |tauxz-max| N-N [N/mm2] hw [m] 1D-beam 3D-FEM 3D/1D 1D-beam 3D-FEM 3D/1D 1D-beam 3D-FEM 3D/1D0.000 30.30 48.15 1.59 24.60 39.92 1.62 24.22 43.75 1.81 1.000 39.50 48.88 1.24 32.07 40.43 1.26 26.44 48.47 1.83 2.000 49.09 60.61 1.23 39.86 43.72 1.10 28.77 53.22 1.85 3.000 59.04 72.67 1.23 47.93 47.15 0.98 31.18 57.97 1.86 4.000 69.27 85.08 1.23 56.24 53.58 0.95 33.67 62.76 1.86 5.000 79.77 97.73 1.23 64.77 62.44 0.96 36.26 67.56 1.86 6.000 90.54 110.63 1.22 73.50 71.51 0.97 38.94 72.44 1.86 7.000 101.53 123.84 1.22 82.43 80.73 0.98 41.71 77.37 1.85 8.000 112.72 137.35 1.22 91.52 90.12 0.98 45.03 82.39 1.83 9.000 124.17 151.06 1.22 100.81 99.69 0.99 49.44 87.39 1.77

10.000 135.80 164.86 1.21 110.25 109.30 0.99 53.92 92.48 1.72 10.715 144.24 174.82 1.21 117.10 116.30 0.99 57.12 96.20 1.68 11.000 147.64 178.86 1.21 119.86 119.10 0.99 58.41 97.69 1.67 12.000 159.67 193.16 1.21 129.63 128.90 0.99 63.03 103.00 1.63

adm 175 175 243 243 110 110 maxGL/adm 0.82 1.00 0.48 0.48 0.52 0.87

Sagging/Full |svon-max| Deck [N/mm2] |svon-max| Bottom [N/mm2] hw [m] 1D-beam 3D-FEM 3D/1D 1D-beam 3D-FEM %3D/1D 0.000 30.30 61.40 2.03 24.60 44.94 1.83 1.000 39.50 61.35 1.55 32.07 45.77 1.43 2.000 49.09 60.50 1.23 39.86 48.88 1.23 3.000 59.04 70.60 1.20 47.93 53.05 1.11 4.000 69.27 82.68 1.19 56.24 57.35 1.02 5.000 79.77 95.00 1.19 64.77 61.70 0.95 6.000 90.54 107.60 1.19 73.50 66.10 0.90 7.000 101.53 120.50 1.19 82.43 73.04 0.89 8.000 112.72 133.60 1.19 91.52 81.09 0.89 9.000 124.17 146.90 1.18 100.81 89.79 0.89 10.000 135.80 160.40 1.18 110.25 98.54 0.89 10.715 144.24 170.20 1.18 117.10 104.90 0.90 11.000 147.64 174.10 1.18 119.86 107.40 0.90 12.000 159.67 188.00 1.18 129.63 116.40 0.90

adm 175 175 243 243 maxGL/adm 0.82 0.97 0.48 0.43

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Tab.6.1.b Tensiunile maxime n cazul hogging, full load

Hogging/Full |sigx-max| Deck [N/mm2] |sigx-max| Bottom [N/mm2] |tauxz-max| N-N [N/mm2] hw [m] 1D-beam 3D-FEM 3D/1D 1D-beam 3D-FEM 3D/1D 1D-beam 3D-FEM 3D/1D0.000 30.30 48.15 1.59 24.60 39.92 1.62 24.22 43.75 1.81 1.000 22.05 47.11 2.14 17.90 39.96 2.23 22.07 39.20 1.78 2.000 16.06 45.81 2.85 13.04 39.72 3.05 20.68 34.80 1.68 3.000 11.75 44.30 3.77 9.95 39.38 3.96 20.93 30.64 1.46 4.000 14.73 42.28 2.87 11.96 38.93 3.26 21.12 26.98 1.28 5.000 21.98 45.80 2.08 17.84 38.39 2.15 21.27 23.53 1.11 6.000 29.49 49.34 1.67 23.94 38.43 1.61 21.40 22.21 1.04 7.000 37.08 52.70 1.42 30.10 38.41 1.28 21.50 22.44 1.04 8.000 44.67 55.85 1.25 36.27 39.31 1.08 21.78 22.65 1.04 9.000 52.19 58.90 1.13 42.37 44.98 1.06 25.01 22.90 0.92

10.000 59.66 61.85 1.04 48.44 50.57 1.04 28.24 23.14 0.82 10.715 64.95 65.81 1.01 52.73 54.55 1.03 30.54 23.30 0.76 11.000 67.03 68.31 1.02 54.42 56.12 1.03 31.44 23.37 0.74 12.000 74.29 76.98 1.04 60.32 61.60 1.02 34.61 25.68 0.74

adm 175 175 243 243 110 110 maxGL/adm 0.37 0.38 0.22 0.22 0.28 0.21

Hogging/Full |svon-max| Deck [N/mm2] |svon-max| Bottom [N/mm2] hw [m] 1D-beam 3D-FEM 3D/1D 1D-beam 3D-FEM %3D/1D 0.000 30.30 61.40 2.03 24.60 44.94 1.83 1.000 22.05 60.90 2.76 17.90 48.97 2.74 2.000 16.06 60.20 3.75 13.04 47.91 3.67 3.000 11.75 59.45 5.06 9.95 46.83 4.71 4.000 14.73 58.45 3.97 11.96 45.73 3.83 5.000 21.98 57.50 2.62 17.84 44.61 2.50 6.000 29.49 56.70 1.92 23.94 43.49 1.82 7.000 37.08 56.05 1.51 30.10 42.39 1.41 8.000 44.67 55.45 1.24 36.27 41.28 1.14 9.000 52.19 57.25 1.10 42.37 40.51 0.96 10.000 59.66 60.20 1.01 48.44 46.17 0.95 10.715 64.95 63.55 0.98 52.73 50.18 0.95 11.000 67.03 65.95 0.98 54.42 51.77 0.95 12.000 74.29 74.26 1.00 60.32 57.32 0.95

adm 175 175 243 243 maxGL/adm 0.37 0.36 0.22 0.21

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Tab.6.2.a Tensiunile maxime n cazul sagging, ballast

Sagging/Ball |sigx-max| Deck [N/mm2] |sigx-max| Bottom [N/mm2] |tauxz-max| N-N [N/mm2] hw [m] 1D-beam 3D-FEM 3D/1D 1D-beam 3D-FEM 3D/1D 1D-beam 3D-FEM 3D/1D0.000 12.05 33.93 2.82 10.36 39.78 3.84 21.03 28.48 1.35 1.000 11.35 32.04 2.82 9.89 39.53 4.00 20.81 30.02 1.44 2.000 13.83 30.87 2.23 11.23 40.36 3.59 20.52 32.50 1.58 3.000 22.57 31.20 1.38 18.32 41.20 2.25 20.03 34.69 1.73 4.000 31.74 33.40 1.05 25.77 44.47 1.73 19.16 36.51 1.91 5.000 41.24 44.14 1.07 33.48 47.87 1.43 20.46 38.00 1.86 6.000 50.96 55.45 1.09 41.38 49.71 1.20 24.04 38.32 1.59 7.000 60.90 67.31 1.11 49.44 50.35 1.02 27.66 37.74 1.36 8.000 71.04 79.67 1.12 57.67 55.09 0.96 31.40 40.99 1.31 9.000 81.40 92.54 1.14 66.09 64.25 0.97 35.18 46.21 1.31

10.000 91.96 105.70 1.15 74.66 73.61 0.99 39.07 51.53 1.32 10.715 99.60 115.40 1.16 80.87 80.46 0.99 41.88 55.36 1.32 11.000 102.71 119.30 1.16 83.38 83.21 1.00 43.02 56.87 1.32 12.000 113.66 133.10 1.17 92.28 92.97 1.01 47.02 62.06 1.32

adm 175 175 243 243 110 110 maxGL/adm 0.57 0.66 0.33 0.33 0.38 0.50

Sagging/Ball |svon-max| Deck [N/mm2] |svon-max| Bottom [N/mm2] hw [m] 1D-beam 3D-FEM 3D/1D 1D-beam 3D-FEM %3D/1D 0.000 12.05 54.55 4.53 10.36 34.68 3.35 1.000 11.35 51.85 4.57 9.89 35.58 3.60 2.000 13.83 51.65 3.74 11.23 38.29 3.41 3.000 22.57 52.75 2.34 18.32 40.72 2.22 4.000 31.74 53.70 1.69 25.77 42.60 1.65 5.000 41.24 54.05 1.31 33.48 44.08 1.32 6.000 50.96 53.10 1.04 41.38 45.12 1.09 7.000 60.90 64.46 1.06 49.44 45.92 0.93 8.000 71.04 76.34 1.07 57.67 50.07 0.87 9.000 81.40 88.71 1.09 66.09 58.29 0.88 10.000 91.96 101.40 1.10 74.66 66.71 0.89 10.715 99.60 110.70 1.11 80.87 72.87 0.90 11.000 102.71 114.40 1.11 83.38 75.34 0.90 12.000 113.66 127.70 1.12 92.28 84.13 0.91

adm 175 175 243 243 maxGL/adm 0.57 0.63 0.33 0.30

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Tab.6.2.b Tensiunile maxime n cazul hogging, ballast

Hogging/Ball |sigx-max| Deck [N/mm2] |sigx-max| Bottom [N/mm2] |tauxz-max| N-N [N/mm2] hw [m] 1D-beam 3D-FEM 3D/1D 1D-beam 3D-FEM 3D/1D 1D-beam 3D-FEM 3D/1D0.000 12.05 33.93 2.82 10.36 39.78 3.84 21.03 28.48 1.35 1.000 16.25 32.12 1.98 13.20 39.17 2.97 21.21 27.51 1.30 2.000 22.83 31.59 1.38 18.53 38.69 2.09 21.34 26.46 1.24 3.000 29.94 34.39 1.15 24.30 38.33 1.58 21.45 25.07 1.17 4.000 37.15 43.40 1.17 30.16 38.12 1.26 21.54 24.28 1.13 5.000 44.31 52.34 1.18 35.97 38.24 1.06 21.61 24.28 1.12 6.000 51.36 61.14 1.19 41.70 43.76 1.05 23.87 25.62 1.07 7.000 58.28 69.74 1.20 47.31 49.24 1.04 26.93 27.99 1.04 8.000 65.02 78.13 1.20 52.79 54.88 1.04 29.94 30.36 1.01 9.000 71.59 86.38 1.21 58.12 60.79 1.05 32.90 32.87 1.00

10.000 77.97 94.41 1.21 63.30 66.61 1.05 35.79 35.38 0.99 10.715 82.37 100.00 1.21 66.88 70.70 1.06 37.81 37.20 0.98 11.000 84.09 102.20 1.22 68.27 72.32 1.06 38.61 37.94 0.98 12.000 89.96 109.70 1.22 73.04 77.87 1.07 41.35 40.42 0.98

adm 175 175 243 243 110 110 maxGL/adm 0.47 0.57 0.28 0.29 0.34 0.34

Hogging/Ball |svon-max| Deck [N/mm2] |svon-max| Bottom [N/mm2] hw [m] 1D-beam 3D-FEM 3D/1D 1D-beam 3D-FEM %3D/1D 0.000 12.05 54.55 4.53 10.36 34.68 3.35 1.000 16.25 51.99 3.20 13.20 33.81 2.56 2.000 22.83 49.39 2.16 18.53 32.89 1.77 3.000 29.94 46.62 1.56 24.30 31.93 1.31 4.000 37.15 44.48 1.20 30.16 31.05 1.03 5.000 44.31 50.55 1.14 35.97 34.54 0.96 6.000 51.36 58.99 1.15 41.70 40.04 0.96 7.000 58.28 67.25 1.15 47.31 45.51 0.96 8.000 65.02 75.32 1.16 52.79 50.92 0.96 9.000 71.59 83.25 1.16 58.12 56.31 0.97 10.000 77.97 90.96 1.17 63.30 61.62 0.97 10.715 82.37 96.34 1.17 66.88 65.35 0.98 11.000 84.09 98.43 1.17 68.27 66.82 0.98 12.000 89.96 105.60 1.17 73.04 71.89 0.98

adm 175 175 243 243 maxGL/adm 0.47 0.55 0.28 0.27

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Din analiza datelor numerice din capitolele 4 & 5 i tabelele 6.1 & 6.2 rezult urmtoarele concluzii: 1) Diferenele ntre modelele 3D-FEM i 1D-beam privind parametrii de echilibrare n plan

vertical a corpului navei n ap calm i val echivalent cvasi-static sunt sub 0.5%. n consecin sunt ndeplinite condiiile de compatibilitate a formei carenei navei i distribuia pe lungimea navei a masei corpului navei.

2) Sgeata maxim a grinzii nav n plan vertical este mai mic dect limita admisibil (|wz| 1, full load, sagging).