Question

3. The structural steel beam shown below has a length $l = 200\text{''}$ and is subjected to an axial force, F $= 20,000$ lbs, and a transverse line pressure load of $p = 2$ lb/in. The base of the beam is 1" and its height is 3". All units shown are in inches. Using beam elements, create a ½ symmetry FE model of the beam and answer the following: (60 points) 1. Write the boundary conditions at the symmetry end of your model. 2. Write the boundary conditions at the right end of your model. 3. What is the reaction force $F_x$, at the symmetry end of your model? 4. What is the maximum vertical deflection in the beam?

          3.
The structural steel beam shown below has a length $l = 200\text{''}$ and is subjected to an axial force, F
$= 20,000$ lbs, and a transverse line pressure load of $p = 2$ lb/in. The base of the beam is 1" and
its height is 3". All units shown are in inches. Using beam elements, create a ½ symmetry FE
model of the beam and answer the following: (60 points)

1. Write the boundary conditions at the symmetry end of your model.

2. Write the boundary conditions at the right end of your model.

3. What is the reaction force $F_x$, at the symmetry end of your model?

4. What is the maximum vertical deflection in the beam?

3.
The structural steel beam shown below has a length l = 200” and is subjected to an axial force, F
= 20,000 lbs, and a transverse line pressure load of p = 2 lb/in. The base of the beam is 1" and
its height is 3". All units shown are in inches. Using beam elements, create a ½ symmetry FE
model of the beam and answer the following: (60 points)

1. Write the boundary conditions at the symmetry end of your model.

2. Write the boundary conditions at the right end of your model.

3. What is the reaction force Fx, at the symmetry end of your model?

4. What is the maximum vertical deflection in the beam?

Added by Elena G.

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