Atle Gjelsvik
Atle Gjelsvik ’60 ScM, ’62 PhD, of North Kingstown, R.I.; Mar. 13. He was professor emeritus of civil engineering at Columbia, recipient of three Excellent Teacher Awards, and author of scientific journal articles and The Theory of Thin-walled Bars. He worked in ship building and the design of offshore structures, including semi-submersible oil drilling rigs, developing solutions to various problems associated with oil drilling. His research interests included buckling of arches, stability of elasto-plastic columns, design of light gauge beams, minimum-weight design on continuous beams, bone remodeling, plastic design, and suspension bridge cables. His collaborations with the College of Physicians and Surgeons at the Columbia-Presbyterian Medical Center led to advances in the field of orthopedics and joint replacement. He is survived by his wife, Carol Canner Gjelsvik ’59; daughter Annie Gjelsvik ’91, ’03 PhD; a son; and niece Elizabeth Canner ’91.