Avaliação de métodos iterativos aplicados à equação de Richards com diferentes níveis de saturação

نویسندگان

چکیده

<pre><span>Os</span> <span>recursos</span> <span>hídricos</span> <span>desempenham</span> um <span>papel</span> de extrema <span>importância</span> <span>nas</span> <span>atividades</span> <span>industriais</span>, <span>agricultura</span> e <span>meio</span> <span>ambiente</span>. <span>Sistemas</span> <span>irrigação</span> <span>os</span> <span>processos</span> <span>infiltração</span> <span>determinam</span> a <span>quantidade</span> <span>água</span> <span>necessária</span> para o solo, <span>essencial</span> <span>crescimento</span> <span>plantas</span> <span>vegetais</span>. O <span>presente</span> <span>trabalho</span> <span>tem</span> <span>como</span> <span>objetivo</span> <span>fazer</span> <span>estudo</span> <span>paramétrico</span> <span>escoamento</span> em <span>poroso</span> <span>não</span>-<span>saturado</span>, <span>aplicando</span> <span>diferentes</span> <span>esquemas</span> <span>iterativos</span>, <span>considerando</span> <span>condições</span> <span>iniciais</span> <span>umidade</span>, <span>ou</span> <span>seja</span>, <span>níveis</span> <span>saturação</span>. <span>Foram</span> <span>empregados</span> <span>métodos</span> <span>Picard</span>, <span>Picard</span> <span>Modificado</span> Newton-<span>Raphson</span>. As <span>soluções</span> <span>obtidas</span> <span>pelo</span> <span>esquema</span> <span>iterativo</span> <span>possuem</span> <span>taxas</span> <span>convergência</span> <span>melhores</span> solos <span>mais</span> <span>secos</span>, as <span>método</span> Newton-<span>Raphson</span> <span>são</span> <span>precisas</span> <span>todos</span> <span>saturação</span> solo <span>trabalhados</span>.</pre>

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ژورنال

عنوان ژورنال: Pesquisa e Ensino em Ciências Exatas e da Natureza

سال: 2022

ISSN: ['2526-8236']

DOI: https://doi.org/10.29215/pecen.v6i1.1875