| 1 |
francois |
941 |
Solution exercice 1 du chapitre contraintes
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| 2 |
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a) Contraintes dues a la pression interne
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| 3 |
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| 4 |
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sigmatetaa =
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| 5 |
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| 6 |
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24000000
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| 7 |
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| 8 |
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| 9 |
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sigmaxa =
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| 10 |
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| 11 |
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12000000
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| 12 |
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| 13 |
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b) Contraintes dues a la force axiale
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| 14 |
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| 15 |
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sigmaxb =
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| 16 |
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| 17 |
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3.1234e+006
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| 18 |
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| 19 |
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| 20 |
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ans =
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| 21 |
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| 22 |
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9.9410e+006
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| 23 |
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| 24 |
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tenseur des contraintes en Pa
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| 25 |
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| 26 |
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ans =
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| 27 |
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| 28 |
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1.0e+007 *
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| 29 |
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| 30 |
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2.4000 0.9941 0
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| 31 |
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0.9941 1.5123 0
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| 32 |
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0 0 0
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| 33 |
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| 34 |
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Vecteurs et valeurs propores
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| 35 |
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| 36 |
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ans =
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| 37 |
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| 38 |
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0 -0.6487 1.5416
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| 39 |
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0 1.0000 1.0000
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| 40 |
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1.0000 0 0
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| 41 |
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| 42 |
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| 43 |
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ans =
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| 44 |
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| 45 |
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1.0e+007 *
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| 46 |
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| 47 |
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0 0 0
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| 48 |
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0 0.8675 0
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| 49 |
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0 0 3.0448
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| 50 |
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| 51 |
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Angle de la direction 1 en degre
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| 52 |
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| 53 |
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ans =
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| 54 |
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| 55 |
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32.9705
|
| 56 |
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| 57 |
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Angle de la direction 2 en degre
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| 58 |
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| 59 |
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ans =
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| 60 |
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| 61 |
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122.9705
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| 62 |
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| 63 |
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Cisaillement maximal en Pa
|
| 64 |
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| 65 |
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ans =
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| 66 |
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| 67 |
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1.0887e+007
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| 68 |
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| 69 |
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Direction du cisaillement maximal en degre
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| 70 |
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| 71 |
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ans =
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| 72 |
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| 73 |
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77.9705 |
