Tesis de Maestria Jackeline Rodríguez T..pdf - Saber UCV ...
Tesis de Maestria Jackeline Rodríguez T..pdf - Saber UCV ...
Tesis de Maestria Jackeline Rodríguez T..pdf - Saber UCV ...
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Sustituyendo<br />
∑ F =<br />
h<br />
∑ F =<br />
v<br />
∑ M =<br />
o<br />
0<br />
F<br />
Cos =<br />
F<br />
vB ( α )<br />
( )<br />
B<br />
F<br />
Sen =<br />
F<br />
hB α (Ec. 5.19)<br />
( α ) + F Cos(<br />
α ) + F Sen(<br />
α ) − F Sen(<br />
α ) = 0<br />
F fA Cos<br />
fB<br />
A<br />
B<br />
(Ec. 5.20)<br />
0<br />
( α ) + F Sen(<br />
α ) + F Cos(<br />
α ) + F Cos(<br />
) = 0<br />
− vC α (Ec. 5.21)<br />
F ' − F fASen<br />
fB<br />
A<br />
B<br />
0<br />
− FvC * X + F fA * r + F fB * r = 0 (Ec. 5.22)<br />
'<br />
Sustituyendo F fA = µ FA<br />
y F fB = µ FB<br />
∑ F =<br />
h<br />
∑ F =<br />
v<br />
∑ M =<br />
o<br />
0<br />
( α ) + µ * F Cos(<br />
α ) + F Sen(<br />
α ) − F ( α ) 0<br />
µ * FA Cos<br />
B<br />
A<br />
BSen<br />
= (Ec. 5.23)<br />
0<br />
( α ) + µ * F Sen(<br />
α ) + F Cos(<br />
α ) + F ( ) = 0<br />
− FvC − µ * FASen<br />
B<br />
A<br />
BCos<br />
α (Ec. 5.17)<br />
0<br />
'<br />
− * X + µ * F * r + µ * F * r = 0 (Ec. 5.25)<br />
FvC '<br />
A<br />
B<br />
Despejando FA, FB y X tenemos:<br />
∑ F =<br />
h<br />
∑ F =<br />
v<br />
0<br />
0<br />
B(<br />
Sen(<br />
α ) − µ ∗Cos(<br />
α ) )<br />
( µ ∗Cos(<br />
α ) + Sen(<br />
α )<br />
B<br />
F<br />
F = (Ec. 5.26)<br />
A<br />
( µ * Cos(<br />
α ) + Sen(<br />
α )<br />
FvC'<br />
FB<br />
=<br />
(Ec. 5.27)<br />
2 * Sen<br />
2<br />
( α ) ∗ Cos(<br />
α ) * ( 1+<br />
µ )<br />
49