Bridge Aeroelasticity: Sensitivity Analysis and Optimum by J. A. Jurado, S. Hernández, A. Mosquera, Félix Nieto

By J. A. Jurado, S. Hernández, A. Mosquera, Félix Nieto

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By J. A. Jurado, S. Hernández, A. Mosquera, Félix Nieto

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The more cautious approach led to an absence of innovation and there was a reliance on tried and tested designs. Span lengths were chosen because they presented little risk and had already been put into practice. In general, loads were increased excessively due to the new uncertainty about the wind’s impact, a factor that still bewildered engineers in the early days after the event. Previous designs breathtaking in their audacity include the bridges raised in San Francisco, such as the Bay and Golden Gate bridges.

The more cautious approach led to an absence of innovation and there was a reliance on tried and tested designs. Span lengths were chosen because they presented little risk and had already been put into practice. In general, loads were increased excessively due to the new uncertainty about the wind’s impact, a factor that still bewildered engineers in the early days after the event. Previous designs breathtaking in their audacity include the bridges raised in San Francisco, such as the Bay and Golden Gate bridges.

Another is the quantitative value of the derivative, which gives an idea of how much changes one can get from modifying the variable. If the absolute value of the derivative is large, one can get significant changes by modifying that variable, while the modification causes only minor changes if the derivative is small. [7] Each sensitivity analysis requires differentiation of the sate equation as in the case of the static equilibrium equation described here. In this way, different types of structural problems were studied, among which frequencies and natural vibration mode problems are found.

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