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Based on **Figure 1**, we get:

where:

In matrix form, the above can be re-written as:

Calculate * k_{1}*,

Based on **Figure 2**, we have:

and

The system stiffness matrix is:

Therefore, the problem becomes:

Which in turn results in the 3×3 system of equations:

Finally, we get:

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A simply supported beam (Figure) with a span...

For the simply supported beam of Figure 1, deter...

Calculate the vertical deflection of the beam (m...

Truss and cable elements are defined by their ab...

The rod of the picture is loaded with the force 2...

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