Dynamic Buckling of Shallow Archesby David L.C. Lo, Engr.; Fast Breeder Reactor Dept., General Electric Co., Sunnyvale, Calif.; formerly, Grad. Student, Dept. of Materials Engrg., Univ. of Illinois at Chicago Circle, Chicago, Ill.,
Ernest F. Masur, (F.ASCE), Head; Dept. of Materials Engrg., Univ. of Illinois at Chicago Circle, Chicago, Ill.,
Serial Information: Journal of the Engineering Mechanics Division, 1976, Vol. 102, Issue 5, Pg. 901-917
Document Type: Journal Paper
When a shallow arch is subjected to a symmetric dynamic load, this load becomes critical if a slight increase in the load magnitude leads to a sudden snap-through. Another form of instability occurs when a slight antisymmetric component in the load produces a sharply increasing antisymmetric response. Both forms of instability are investigated by means of a numerical procedure which introduces a finite element technique into an integro-differential equation formulation. Where applicable the results generally confirm previous results obtained elsewhere, but cover a broader range of problems and are believed to be more accurate.
Subject Headings: Dynamic loads | Arches | Buckling | Symmetry | Critical loads | Finite element method
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