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DESARROLLO DE HERRAMIENTAS - FI-UAEMex

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ANÁLISIS MATRICIAL <strong>DE</strong> ESTRUCTURAS RETICULARES 33<br />

⎡ 0.5 0.5 0 0 ⎤ ⎧−1.059⎫<br />

⎧ 12.117⎫<br />

⎢<br />

⎥<br />

{F5} = 3 ⎢<br />

0.5 0.5 0 0 ⎪ 9.137⎪<br />

⎪<br />

⎥<br />

12.117⎪<br />

⎨ ⎬ = ton<br />

⎢-0.5<br />

- 0.5 0 0 ⎥ ⎪<br />

0.0 ⎨ ⎬<br />

⎪ ⎪<br />

− 12.117<br />

⎪<br />

⎢<br />

⎥<br />

⎣-0.5<br />

- 0.5 0 0 ⎪ ⎪<br />

⎦ ⎩ 0.0 ⎭ ⎪⎩<br />

− 12.117⎪⎭<br />

Cálculo de fuerzas en sistema local.<br />

Para todas las barras:<br />

por lo tanto:<br />

Es decir:<br />

Barra 1: θ = 0 º<br />

{Fi}G = [T] {Fi}L<br />

{Fi}L = [T] -1 {Fi}G<br />

{Fi}L = [T] T {Fi}G<br />

⎧− 2.118⎫<br />

⎡1<br />

{F1}L = ⎢<br />

⎣0<br />

0<br />

0<br />

0<br />

1<br />

0⎤<br />

⎪<br />

0<br />

⎥ ⎨<br />

⎦ ⎪<br />

⎩<br />

0 ⎪ ⎧− 2.118⎫<br />

⎬ = ⎨ ⎬ ton<br />

2.118<br />

⎪ ⎩ 2.118⎭<br />

0 ⎪⎭<br />

Barra 2: θ = 90 º<br />

⎧ 0 ⎫<br />

⎡0<br />

1 0 0⎤<br />

⎪<br />

{F2}L = − 4.119⎪<br />

⎧− 4.119⎫<br />

⎢ ⎥ = ton<br />

⎣0<br />

0 0 1<br />

⎨ ⎬ ⎨ ⎬<br />

⎦ ⎪<br />

0<br />

⎪ ⎩ 4.119⎭<br />

⎪⎩<br />

4.119⎪⎭<br />

Barra 3: θ = 0 º<br />

⎧ 7.881⎫<br />

⎡1<br />

{F3}L = ⎢<br />

⎣0<br />

0<br />

0<br />

0<br />

1<br />

0⎤<br />

⎪ 0 ⎪ ⎧ 7.881⎫<br />

⎥ ⎨ ⎬ = ⎨ ⎬ ton<br />

0⎦<br />

⎪<br />

−7.881<br />

⎪ ⎩−7.881⎭<br />

⎪⎩<br />

0 ⎪⎭<br />

Barra 4: θ = 315 º<br />

<strong><strong>DE</strong>SARROLLO</strong> <strong>DE</strong> <strong>HERRAMIENTAS</strong> <strong>DE</strong> ANÁLISIS ESTRUCTURAL<br />

PARA SU USO <strong>DE</strong>S<strong>DE</strong> LA INTERNET

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