Dynamic Field Analysis of Torsionless Gridsby Hota V. S. GangaRao, Asst. Prof. of Civ. Engrg.; West Virginia Univ., Morgantown, WV,
J. C. Smith, Asst. Prof. of Civ. Engrg.; North Carolina State Univ., Raleigh, NC,
Serial Information: Journal of the Engineering Mechanics Division, 1972, Vol. 98, Issue 3, Pg. 679-693
Document Type: Journal Paper
Mathematical models in the form of summation equations are developed by neglecting the damping effects and utilizing the flexibility macro approach for grid systems subjected to out-of-plane harmonic loads. Closed form solutions are obtained for forced and free vibration cases in terms of finite sine series. Uniform grids with simple-side-supports as well as bridge-type-boundaries are analyzed for the deflection and moments at every node point in the grid system. All results are numerically illustrated.
Subject Headings: Dynamic analysis | Grid systems | Torsion | Load factors | Closed form solutions | Mathematical models | Vibration | Bridge tests | Damping
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