Double Box1
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ind the direct stress around the stringers for the double cell wing box under anti Mx and Clock My. Applied Mx 20000000 Nmm anti +ve A1 1200 mm^2 clo -ve Mx A2 300 mm^2 A3 600 mm^2 Node MxY/Ixx MyX/Iyy a 26.66667 -34.9727 -8.30601 My clock +ve b 26.66667 -13.1148 13.55191 My anti -ve c 26.66667 8.743169 35.40984 My 40000000 Nmm d 26.66667 30.60109 57.26776 e 26.66667 52.45902 79.12568 f -26.6667 -34.9727 -61.6393 g -26.6667 -13.1148 -39.7814 h -26.6667 8.743169 -17.9235 j -26.6667 30.60109 3.934426 k -26.6667 52.45902 25.79235 Node A X Y AX AY AY^2 AX^2 AXY dy dx Ady^2 a 1200 0 125 0 150000 18750000 0 0 125 -200 18750000 b 300 125 125 37500 37500 4687500 4687500 4687500 125 -75 4687500 c 600 250 125 150000 75000 9375000 37500000 18750000 125 50 9375000 d 300 375 125 112500 37500 4687500 42187500 14062500 125 175 4687500 e 600 500 125 300000 75000 9375000 150000000 37500000 125 300 9375000 f 1200 0 -125 0 -150000 18750000 0 0 -125 -200 18750000 g 300 125 -125 37500 -37500 4687500 4687500 -4687500 -125 -75 4687500 h 600 250 -125 150000 -75000 9375000 37500000 -1.9E+07 -125 50 9375000 j 300 375 -125 112500 -37500 4687500 42187500 -1.4E+07 -125 175 4687500 k 600 500 -125 300000 -75000 9375000 150000000 -3.8E+07 -125 300 9375000 SUM 6000 1200000 0 93750000 468750000 0 93750000 Xcg 200 mm Ycg 0 mm Ixx 93750000 mm^4 Iyy 228750000 mm^4 Ixy 0 mm^4 Total σ cg
description
aircraft structure double box example
Transcript of Double Box1
Sheet1Find the direct stress around the stringers for the double cell wing box under anti Mx and Clock My.Applied Mx20000000Nmmanti+veA11200mm^2clo-veMxA2300mm^2A3600mm^2NodeMxY/IxxMyX/IyyTotal a26.6666666667-34.9726775956-8.306010929Myclock+veb26.6666666667-13.114754098413.5519125683Myanti-vec26.66666666678.743169398935.4098360656My40000000Nmmd26.666666666730.601092896257.2677595628e26.666666666752.459016393479.1256830601f-26.6666666667-34.9726775956-61.6393442623g-26.6666666667-13.1147540984-39.781420765h-26.66666666678.7431693989-17.9234972678j-26.666666666730.60109289623.9344262295k-26.666666666752.459016393425.7923497268NodeAXYAXAYAY^2AX^2AXYdydxAdy^2Adx^2a1200012501500001875000000125-2001875000048000000b3001251253750037500468750046875004687500125-7546875001687500c60025012515000075000937500037500000187500001255093750001500000d300375125112500375004687500421875001406250012517546875009187500e60050012530000075000937500015000000037500000125300937500054000000f12000-1250-1500001875000000-125-2001875000048000000g300125-12537500-3750046875004687500-4687500-125-7546875001687500h600250-125150000-75000937500037500000-18750000-1255093750001500000j300375-125112500-37500468750042187500-14062500-12517546875009187500k600500-125300000-750009375000150000000-37500000-125300937500054000000SUM60001200000093750000468750000093750000228750000Xcg200mmYcg0mmIxx93750000mm^4Iyy228750000mm^4Ixy0mm^4
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