Download pdf - Ejemplo Armadura Simple 1 - Metodo Rigideces (1)

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