EU – estimativa do erro de truncatura floor – parâmetro de limite mínimo n – nível de refinamento
Nmax – nível de refinamento máximo
NP – número de nodos da malha base
NPDE – número de equações diferenciais parciais do modelo t – variável temporal
Tcpu – tempo de computação TOL – tolerância do método
tol INT – tolerância referente ao integrador u – variáveis dependentes
uz – primeira derivada espacial das variáveis dependentes
uzz – segunda derivada espacial das variáveis dependentes
ut – primeira derivada temporal das variáveis dependentes
w – parâmetro de peso
Wh – aproximação da solução na malha fina W2h – aproximação da solução na malha larga z – variável espacial
zL – posição da fronteira esquerda zR – posição da fronteira direita
Letras do Alfabeto Grego
α – factor de mobilidade nodal
∆t – passo temporal
∆z – espaçamento internodal
∆zMIN – espaçamento internodal mínimo
∆zMAX – espaçamento internodal máximo
λ – coeficiente de viscosidade nodal
Convenções Gerais
yɺ – derivada temporal de y y – vector y
A – matriz A
• – produto interno entre dois vectores
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