deflecion barra
Post on 15-Jan-2016
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DESCRIPTION
defleccion en barra mathcad
TRANSCRIPT
Deflection in a Beam
b 10 cm
d 15 cm
I =―112
b d3 ⎛⎝2.813 10 5⎞⎠ m4
E 200 GPa
W 100 NL 15 m
a 11 m
Force
RA =――――W ((L a))
L26.667 N RB =――
W aL
73.333 N
Shear
V ((x)) RA (( >x a)) W
Moment
M ((x)) +RA x (( >x a)) W ((a x))
Deflection
y ((x)) ――――W ((L a)) x
6 E I L⎛⎝L2 ((L a))
2x2 ⎞⎠ (( >x a)) ⎛
⎜⎝―――
W6 E I
((x a))3 ⎞
⎟⎠
x , ‥0 m .1 m L
-60-50-40-30-20-10
01020
-80-70
30
3 4.5 6 7.5 9 10.5 12 13.50 1.5 15
V ((x)) ((N))
x ((m))
60
90
120
150
180
210
240
270
0
30
300
3 4.5 6 7.5 9 10.5 12 13.50 1.5 15
x ((m))
M ((x)) ((J))
-7.4 10⁻⁴
-6.5 10⁻⁴
-5.6 10⁻⁴
-4.7 10⁻⁴
-3.8 10⁻⁴
-2.9 10⁻⁴
-2 10⁻⁴
-1.1 10⁻⁴
-2 10⁻⁵
-9.2 10⁻⁴
-8.3 10⁻⁴
7 10⁻⁵
3 4.5 6 7.5 9 10.5 12 13.50 1.5 15
8.446
x ((m))
y ((x)) ((m))
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