Dynamic Stability Matrix for Planar Beamsby James W. Gorzynski, (A.M.ASCE), Grad. Res. Asst.; Clarkson Coll. of Tech., Potsdam, NY,
William A. Thornton, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Clarkson Coll. of Tech., Potsdam, NY,
Serial Information: Journal of the Engineering Mechanics Division, 1974, Vol. 100, Issue 4, Pg. 823-828
Document Type: Journal Paper
Abstract: A stiffness matrix including both inertial and static axial force (prestress) effects is presented. The results of using this matrix to compute the natural frequencies of planar frames in the presence of prestress are presented. This matrix, when used in conjunction with a recently developed method for extracting eigenvalues of nonlinear eigenvalue problems, has proven to be very effective for computing natural frequencies and buckling loads of frames. It also allows the effect of prestress (static axial force) on natural frequencies to be determined.
Subject Headings: Matrix (mathematics) | Prestressing | Natural frequency | Statics (mechanics) | Axial forces | Frames | Eigenvalues | Stiffening |
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