torsional strength in welds

2
t, mm 2.84776 b1, mm 120 h1, mm 2.84776 b2, mm 2.84776 h2, mm 150 A1, mm^2 341.7312 A2, mm^2 427.164 centroid each member x1, mm 60 y1, mm 1.42388 x2, mm -1.42388 y2, mm -75 At, mm 768.8953 system centroid x, mm 25.87562 y, mm -41.0338 ICX1, mm^4 230.9459 ICY1, mm^4 410077.5 ICX2, mm^4 800932.6 ICY2, mm^4 288.6824 d1x, mm 34.12438 d1y, mm 42.45771 d2x, mm 27.2995 d2y, mm 33.96617 J, mm^4 4953046 F, N 10000 arm, mm 250 M, N-mm 2500000 c, mm 108.9662 τ=M*c/J, N/mm^2 54.99957 Pw, n/mm^2 220 N 4 Sd, N/mm^2 55 τ r /p w = 5

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Calculation of the weld throat in torsion

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Sheet1t, mm2.8477602536b1, mm120h1, mm2.8477602536b2, mm2.8477602536h2, mm150A1, mm^2341.7312304351A2, mm^2427.1640380439centroid each memberx1, mm60y1, mm1.4238801268x2, mm-1.4238801268y2, mm-75At, mm768.8952684791system centroid x, mm25.8756221518y, mm-41.0338310547ICX1, mm^4230.9459085976ICY1, mm^4410077.476522163ICX2, mm^4800932.57133235ICY2, mm^4288.6823857471d1x, mm34.1243778482d1y, mm42.4577111816d2x, mm27.2995022786d2y, mm33.9661689453J, mm^44953046.22090977F, N10000arm, mm250 r /p w = 5M, N-mm2500000c, mm108.9661689452=M*c/J, N/mm^2
UNM: UNM:using goal seek= Sd [N/mm^2]varying t [mm]54.9995720236Pw, n/mm^2220N4Sd, N/mm^255