Título: | APPLICATION OF STRUCTURAL OPTIMIZATION TECHNIQUES FOR WEIGHT REDUCTION OF A HOSPITAL BED USING THE FINITE ELEMENT METHOD. | ||||||||||||
Autor(es): |
HENRIQUE DORNELLAS STAIB |
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Colaborador(es): |
IVAN FABIO MOTA DE MENEZES - Orientador ANDRE DE PAULA CAVALCANTE - Coorientador |
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Catalogação: | 21/DEZ/2023 | Língua(s): | PORTUGUESE - BRAZIL |
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Tipo: | TEXT | Subtipo: | SENIOR PROJECT | ||||||||||
Notas: |
[pt] Todos os dados constantes dos documentos são de inteira responsabilidade de seus autores. Os dados utilizados nas descrições dos documentos estão em conformidade com os sistemas da administração da PUC-Rio. [en] All data contained in the documents are the sole responsibility of the authors. The data used in the descriptions of the documents are in conformity with the systems of the administration of PUC-Rio. |
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Referência(s): |
[pt] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/TFCs/consultas/conteudo.php?strSecao=resultado&nrSeq=65663@1 [en] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/TFCs/consultas/conteudo.php?strSecao=resultado&nrSeq=65663@2 |
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DOI: | https://doi.org/10.17771/PUCRio.acad.65663 | ||||||||||||
Resumo: | |||||||||||||
The pursuit of lighter structures has been increasingly common in various industries.
In this context, the present work aims to promote a structural optimization of a hospital
bed frame by reducing its dimensions, thus decreasing its overall weight.
The methodology involves analyzing the structure of the bed frame, determining its
support points, types of supports used, and the distribution of loads to assess the
potential for weight reduction while maintaining stress levels within acceptable limits
f or the materials used.
The computational programs employed for modeling and numerical simulations
were SOLIDWORKS and MATLAB, respectively. The geometric modeling of the
substructures comprising the bed frame was indispensable for determining the
numerical models under scrutiny. These numerical analyses were conducted using a
MATLAB finite element code developed within this study. The primary objective of this
code was to perform static analyses of the structure, considering minor d isplacements
and linear elastic behavior of the materials. A MATLAB code was devised for the
structural optimization phase, leveraging its internal " fmincon " function. The aim was to
reduce the structure s weight by reducing the dimensions of its component s (i.e.,
diameters of tubular cross sections) while adhering to the allowable stresses of the
materials. The obtained results showcase a significant reduction in the structure s weight
from the initially prevalent commercial dimensions, thereby affirming t he efficiency of
the codes developed in this study.
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