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155<br />

Tabela E.22: Or<strong>de</strong>ns assintótica, efetiva e aparente do erro <strong>de</strong> discretização para a variável <strong>de</strong><br />

I com solução analítica e numérica<br />

∆ x<br />

interesse ( )<br />

DDS −2<br />

pL<br />

pE<br />

DDS−2<br />

DDS−2<br />

Fonte analítico<br />

pU<br />

DDS−2<br />

Fonte analítico<br />

pE<br />

DDS−2<br />

Sol anal nodal<br />

1,00000000000000 2,00000000000000<br />

0,333333333333333 2,00000000000000 2,06763286282652 1,38957012787846<br />

0,111111111111111 2,00000000000000 1,88632437736794 2,09100636495339 2,59790517806530<br />

0,0370370370370370 2,00000000000000 1,71652617954175 1,91361368868618 2,17823655653934<br />

0,0123456790123457 2,00000000000000 1,45955946199202 1,77123661711890 2,05723967487786<br />

0,00411522633744856 2,00000000000000 1,22413652425426 1,52987631872175 2,01884524364609<br />

0,00137174211248285 2,00000000000000 1,08881608380714 1,27706095917309 2,00625592924122<br />

4,57247370827618E-4 2,00000000000000 1,03162922752312 1,11476067248310 2,00208245432466<br />

1,52415790275873E-4 2,00000000000000 1,01079072380825 1,04169325154042 2,00069385167935<br />

5,08052634252909E-5 2,00000000000000 1,00362536745313 1,01433120768421 2,00023155574306<br />

1,69350878084303E-5 2,00000000000000 1,00121165430152 1,00482742789365 2,00008190166952<br />

5,64502926947676E-6 2,00000000000000 1,00040424151712 1,00161482370234 2,00003407400388<br />

1,88167642315892E-6 2,00000000000000 1,00013478686196 1,00053890902645 1,99986163422841<br />

6,27225474386307E-7 2,00000000000000 1,00004493336582 1,00017970695789 1,99915903907004<br />

2,09075158128769E-7 2,00000000000000 1,00001497827888 1,00005991016995 2,04528870236255<br />

6,96917193762563E-8 2,00000000000000 1,00000499281410 1,00001997092911 1,86460622842598<br />

2,32305731254188E-8 2,00000000000000 1,00000166427742 1,00000665707332 2,00000000000000

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