ansys presentation 2
TRANSCRIPT
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Presentation
Datas for I-80 :a=1000 mmAllowable Stress: = 180 Mpa
Youngs Modulus: E = 2.105 Mpa
Poissons Ratio: = 0,3
Uniformly distributed load : q=30 kN/m
50 mm < Ls < 950 mm
h
t
g
s
h = 80 mm
s = 42 mmt = 5,9 mm
g = 3,9 mm
ts0 = 6 mm
ts0
Ls
a q
Beam 189 element
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Maximum bending stress for Ls0 = 950 and q = 30 kN/m
Applied pressure:q = 30 kN/M and s = 42 mm
P = q/s = 0,714 MPa
Max bending Stress = 13,456 Mpa
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Bending moment diagram for Ls0 = 950 and q = 30 kN/m
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Maximum value of UDL in order to have max
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Parametric method : optimum length of the strip
02
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6
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1820
0 200 400 600 800 1000
max bending stress for q = 30 kN/m
150
170
190
210
230
250
270
50 150 250 350 450 550 650 750 850 950
max bending stress for q = 399 kN/m
optimum length of the strip : 440 mm
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Qmax for Ls optimized = 440 mm
y = 0,4145x + 0,0011
160
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170
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180
185
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390 400 410 420 430 440 450 460 470
For Ls0 = 440 mm, max bending stress
Maximum bending stress for q = 434 kN/m