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168<br />

Tabela G.10: Or<strong>de</strong>ns assintótica, efetiva e aparente do erro <strong>de</strong> discretização para a variável <strong>de</strong><br />

E com a forma com meio-volume<br />

∆ x<br />

interesse ( )<br />

m<br />

pE<br />

pL Em<br />

Em<br />

pU<br />

Em<br />

Fonte numérico<br />

Fonte numérico<br />

0,500000000000000 2,00000000000000<br />

0,250000000000000 2,00000000000000 0,282992314709520<br />

0,125000000000000 2,00000000000000 1,50117698675882 1,57736967837234<br />

0,0625000000000000 2,00000000000000 1,84428907951637 1,34333733473482<br />

0,0312500000000000 2,00000000000000 1,93958242587139 1,80912751150433<br />

0,0156250000000000 2,00000000000000 1,97369052479491 1,92774511715884<br />

0,00781250000000000 2,00000000000000 1,98779188000726 1,96890542743003<br />

0,00390625000000000 2,00000000000000 1,99413060255630 1,98566122572761<br />

0,00195312500000000 2,00000000000000 1,99712380603164 1,99312882529125<br />

9,765625E-4 2,00000000000000 1,99857651446613 1,99663860652902<br />

4,8828125E-4 2,00000000000000 1,99929190858701 1,99833781472186<br />

2,44140625E-4 2,00000000000000 1,99964686696423 1,99917353108682<br />

1,220703125E-4 2,00000000000000 1,99982366163012 1,99958792098799<br />

6,103515625E-5 2,00000000000000 1,99991188784969 1,99979424929618<br />

3,0517578125E-5 2,00000000000000 1,99995595818321 1,99989719684138<br />

1,52587890625E-5 2,00000000000000 1,99997798265616 1,99994861646811<br />

7,62939453125E-6 2,00000000000000 1,99998899221921 1,99997431274580<br />

3,814697265625E-6 2,00000000000000 1,99999449633239 1,99998715750082<br />

1,9073486328125E-6 2,00000000000000 1,99999724822189 1,99999357903239<br />

9,5367431640625E-7 2,00000000000000 1,99999862412487 1,99999678958669<br />

4,76837158203125E-7 2,00000000000000 1,99999931206592 1,99999839481097<br />

2,38418579101563E-7 2,00000000000000 1,99999965603330 1,99999919741007<br />

1,19209289550781E-7 2,00000000000000 1,99999982801809 1,99999959870503<br />

5,96046447753906E-8 2,00000000000000 1,99999991406260 1,99999979933658<br />

2,98023223876953E-8 2,00000000000000 1,99999995705581 1,99999989973153<br />

1,49011611938477E-8 2,00000000000000 1,99999996572548 1,99999995416591<br />

A Tab. G.11 mostra as or<strong>de</strong>ns obtidas com a forma <strong>de</strong> aplicar as condições <strong>de</strong><br />

contorno com volume fictício, mas o mesmo resultado é verificado com as formas sem<br />

volume fictício e com volume <strong>de</strong> espessura zero e a Tab. G.12 mostra os resultados das<br />

or<strong>de</strong>ns obtidas com a forma <strong>de</strong> aplicar as condições <strong>de</strong> contorno com meio-volume.<br />

Tabela G.11: Or<strong>de</strong>ns assintótica, efetiva e aparente do erro <strong>de</strong> discretização para a variável <strong>de</strong><br />

I com a forma com volume fictício<br />

∆ x<br />

interesse ( )<br />

DDS−2<br />

pL<br />

pE<br />

DDS−2<br />

DDS −2<br />

Fonte numérico<br />

pU<br />

DDS−2<br />

Fonte numérico<br />

0,333333333333333 2,00000000000000<br />

0,111111111111111 2,00000000000000 2,44840022712738<br />

0,0370370370370370 2,00000000000000 1,70226055723142 2,53674190558460<br />

0,0123456790123457 2,00000000000000 1,39230208889254 1,77214947845251<br />

0,00411522633744856 2,00000000000000 1,17750767066383 1,46188415441619<br />

0,00137174211248285 2,00000000000000 1,06763412395319 1,22274845904637<br />

4,57247370827618E-4 2,00000000000000 1,02369705525417 1,08803433960126<br />

1,52415790275873E-4 2,00000000000000 1,00803694682163 1,03132616196228<br />

5,08052634252909E-5 2,00000000000000 1,00269470634768 1,01068459762887<br />

1,69350878084303E-5 2,00000000000000 1,00089999777333 1,00358940844295<br />

5,64502926947676E-6 2,00000000000000 1,00030019564029 1,00119960247621<br />

1,88167642315892E-6 2,00000000000000 1,00010008705484 1,00040021694130<br />

6,27225474386307E-7 2,00000000000000 1,00003336477922 1,00013344452459<br />

2,09075158128769E-7 2,00000000000000 1,00001112186284 1,00004448582977<br />

6,96917193762563E-8 2,00000000000000 1,00000370731759 1,00001482909016<br />

2,32305731254188E-8 2,00000000000000 1,00000123577586 1,00000494308342

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