Browsing by Author "Cunniff, Patrick Francis"
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- Free vibrations of a vierendeel girderCunniff, Patrick Francis (Virginia Tech, 1956-06-15)As a suggestion for further work in deriving the equations by the Principle of Virtual Displacements, it might be advisable to write the equations based on the vertical displacements of the points of inflection of each column. The concentrated mass of each panel would be located at the center of the respective columns. This appears to be a better approximation than concentrating each mass at the lower joint.