Mecanica

MECANICA DE MATERIALES
ANDRES CRUZ GUTIERREZ
EJERCICIO 3.5
MPA (c) | DE (d) |
90,24 | 3,5 |
259,32 | 1,2 |
307,31 | 2,04 |
332,52 | 3,3 |
354,47 | 4,98 |
434,14 | 20,32 |
508,13 |60,96 |
524,39 | 127 |
506,5 | 177,8 |
478,04 | 238,76 |
c =
Columns 1 through 7
90.2400 259.3400 307.3100 332.5200 354.4700 434.1400 508.1300
Columns 8 through 10
524.3900506.5000 478.0400

d =
Columns 1 through 7
0.0004 0.0001 0.0002 0.0003 0.0005 0.0020 0.0061
Columns 8 through 10
0.0127 0.0178 0.0239

Ur= ½*506,5*177,8Ur= 45.027

f(x) = p1*x^5 + p2*x^4 + p3*x^3 + p4*x^2 + p5*x + p6
Coefficients (with 95% confidence bounds):
p1 = 1.836e+012 (-1.358e+013, 1.726e+013)
p2 = -1.172e+011(-1.004e+012, 7.694e+011)
p3 = 2.754e+009 (-1.501e+010, 2.052e+010)
p4 = -2.975e+007 (-1.755e+008, 1.16e+008)
p5 = 1.493e+005 (-2.738e+005, 5.723e+005)
p6 = 227.7(31.36, 424.1)
Ut= 3536 MPA

MPA (c) | DE (d) |
90,24 | 350 |
259,32 | 120 |
307,31 | 204 |
332,52 | 330 |
354,47 | 498 |
434,14 | 203 |
508,13 | 609 |
524,39 | 127 |
506,5 | 177 |478,04 | 238 |
c =
Columns 1 through 7
90.2400 259.3400 307.3100 332.5200 354.4700 434.1400 508.1300
Columns 8 through 10
524.3900 506.5000 478.0400
d =

Columns 1through 9
0.0350 0.0120 0.0204 0.0330 0.0498 0.2032 0.6096 0.1270 0.1778
Column 10
0.0239

f(x) = p1*x^6 + p2*x^5 + p3*x^4 + p4*x^3 + p5*x^2 +p6*x + p7
Coefficients (with 95% confidence bounds):
p1 = -1.137e+008 (-1.261e+009, 1.033e+009)
p2 = 1.309e+008 (-1.194e+009, 1.455e+009)
p3 = -4.895e+007 (-5.532e+008,4.553e+008)
p4 = 7.758e+006 (-7.725e+007, 9.276e+007)
p5 = -5.215e+005 (-7.08e+006, 6.037e+006)
p6 = 1.371e+004 (-1.91e+005, 2.184e+005)
p7 = 195.6 (-1839,...