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General

General frequently asked questions are listed as follows:

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Why does deformed configuration from moving-load analysis not look correct?

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Answer: Influence lines will appear piecewise linear when discretization is more coarse. A similar effect occurs when output-station spacing is fairly large for moment-diagram plots. The effect of refining lane discretization (Figure 1) is apparent in the influence lines which follow (Figure 2): 

Figure 1 - Lane data

Figure 2 - Influence line