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Reduction in Space for Dynamic Finite Element Analysis of Assemblies of Beam-columns when the Mass is Available in Digitized Format | ||
Journal of Applied and Computational Mechanics | ||
مقاله 7، دوره 8، شماره 1، فروردین 2022، صفحه 71-83 اصل مقاله (896.49 K) | ||
نوع مقاله: Research Paper | ||
شناسه دیجیتال (DOI): 10.22055/jacm.2019.31603.1898 | ||
نویسندگان | ||
Aram Soroushian* ؛ Saeed Amiri | ||
Structural Engineering Research Centre, International Institute of Earthquake Engineering and Seismology, No. 21, West Arghavan, North Dibajee, Farmanieh, Tehran 19537, Iran | ||
چکیده | ||
In 2008, a technique was proposed to reduce run-times in analysis of semi-discretized equation of motion against dynamic excitations available in digitized format. Later, the technique was successfully adapted to reduce numbers of degrees of freedom in finite element analysis of assemblies of beam-columns subjected to static digitized loads. In this paper, attention is paid to dynamic finite element analysis of assemblies of beam-columns. It is shown that, when the mass is available in digitized format, after small modifications in the original technique, the adaptation can simplify the analysis, regardless of the models' sizes, their linearity or non-linearity, and whether the damping is classical or non-classical. The reductions in run-time and in-core memory are considerable, while the changes in accuracy can be negligible. | ||
کلیدواژهها | ||
Reduction in space؛ Dynamic finite element analysis؛ Beam-columns؛ Accuracy؛ Computational effort | ||
مراجع | ||
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