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DYNA
versión impresa ISSN 0012-7353versión On-line ISSN 2346-2183
Resumen
SANCHEZ-GUERRERO, Johnny Homero; LAGOS-ZAMORA, Christian David; PENA-JORDAN, Francisco Agustín y ARROBA-ARROBA, Cesar Hernán. Metamodel simulation for designing monopole telecommunication antenna support structures. Dyna rev.fac.nac.minas [online]. 2023, vol.90, n.225, pp.140-146. Epub 15-Feb-2024. ISSN 0012-7353. https://doi.org/10.15446/dyna.v90n225.103922.
Finite element analysis is used to estimate the displacements and forces present in each element of a structure. This type of analysis is time consuming in pre-processing, processing, and post-processing. It also incurs considerable computational costs. A simplified methodology is therefore required to reduce design time considerably. The research involved the development and application of an experimental methodology and a simulation, using Ansys Research software’s LS-DYNA module, in which loads are applied in accordance with the ANSI/TIA 222-G standard used in the telecommunications industry. The matrix method was applied, obtaining results for nodal displacement that were compared with the results of physical tests and a metamodel, showing a variation range of 8.44%. In addition, it was shown that a metamodel can be used during the pre-design stage, significantly reducing the time required for analysis.
Palabras clave : monopole structure; metamodel; flange connection; section inertia; direct matrix.