META MODELOS PARA QUANTIFICAÇÃO DA INCERTEZA DA PREDIÇÃO DE FADIGA DE BAIXO CICLO EM MEMBROS ESTRUTURAIS
DOI:
https://doi.org/10.26512/ripe.v2i16.21628Keywords:
Meta modelo. Regressão Polinomial. Fadiga de baixo ciclo. Quantificação da Incerteza.Abstract
Este artigo tem como objetivo implementar M ), onde a partir de variáveis de entrada a resposta estrutural do sistema é determinada a partir de uma superfície de resposta ajustada por meio dos parâmetros do Meta modelo. A resposta do sistema estrutural é construída por uma superfície de resposta que modela a vida de fadiga de membros estruturais submetidos a carregamentos aleatórios com amplitude variável. É demostrada para análise de diferentes técnicas de amostragem, tais como hipercubo latino, sequência de sobol e experimento fatorial para a construção do meta modelo eficiente na predição da incerteza da vida de fadiga pelo modelo implementado.
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