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Ejemplo Armadura Simple 1 - Metodo Rigideces (1)
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EJEMPLO
2 P
45
MATRIZ DE FUERZAS F MATRIZ DE DESPLAZAMIENTOS
F X1 ? X1 -
F Y1 ? Y1 -
F X2 10.00 X2 ?
F Y2 - Y2 ?
F X3 ? X3 -
F Y3 ? Y3 -
45 135
1 3
4.80 m
BARRA 1-2 BARRA 2-3
45 -45
A 0.0005 m A 0.0005 m
E 2.00E+08 kg/m2 E 2.00E+08 kg/m2
L 3.39 m L 3.39 m
BARRA 1-2 BARRA 2-3
sen 0.71 sen -0.71
cos 0.71 cos 0.71
AE/L 29499 AE/L 29499
MATRIZ DE RIGIDEZ K - PARCIAL MATRIZ DE RIGIDEZ K - PARCIAL
1.47E+04 1.47E+04 -1.47E+04 -1.47E+04
1.47E+04 1.47E+04 -1.47E+04 -1.47E+04
-1.47E+04 -1.47E+04 1.47E+04 1.47E+04 1.47E+04 -1.47E+04 -1.47E+04 1.47E+04
-1.47E+04 -1.47E+04 1.47E+04 1.47E+04 -1.47E+04 1.47E+04 1.47E+04 -1.47E+04
-1.47E+04 1.47E+04 1.47E+04 -1.47E+04
1.47E+04 -1.47E+04 -1.47E+04 1.47E+04
MATRIZ DE RIGIDEZ K - GLOBAL K
1.47E+04 1.47E+04 -1.47E+04 -1.47E+04 0.00E+00 0.00E+00 2.95E+04 0.00E+00
1.47E+04 1.47E+04 -1.47E+04 -1.47E+04 0.00E+00 0.00E+00 0.00E+00 2.95E+04
-1.47E+04 -1.47E+04 2.95E+04 0.00E+00 -1.47E+04 1.47E+04
-1.47E+04 -1.47E+04 0.00E+00 2.95E+04 1.47E+04 -1.47E+04
0.00E+00 0.00E+00 -1.47E+04 1.47E+04 1.47E+04 -1.47E+04
0.00E+00 0.00E+00 1.47E+04 -1.47E+04 -1.47E+04 1.47E+04
K -1 K
3.39E-05 0.00E+00
0.00E+00 3.39E-05
3.39E-05 0.00E+00
0.00E+00 3.39E-05
F
0.00E+00 F X1
0.00E+00 F Y1
1.00E+01 F X2
0.00E+00 F Y2
0.00E+00 F X3
0.00E+00 F Y3
= K -1 F
0.00E+00 u1
0.00E+00 v1
3.39E-04 u2
0.00E+00 v2
0.00E+00 u3
0.00E+00 v3
X = K
-5.00 X1
-5.00 Y1
10.00 X2
- Y2
-5.00 X3
5.00 Y3
SOLUCION
DATOS