Implicit-Explicit Runge-Kutta schemes for hyperbolic systems ... - utenti
Implicit-Explicit Runge-Kutta schemes for hyperbolic systems ... - utenti
Implicit-Explicit Runge-Kutta schemes for hyperbolic systems ... - utenti
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CJR(3,2,2)<br />
β =<br />
LRR(3,2,2)<br />
ARS(2,2,2)<br />
0 0 0 0 0<br />
˜α ˜α 0 0 0<br />
˜α ˜α 0 0 0<br />
1 η˜α η ˜β 0 0<br />
1 η˜α η ˜β 0 0<br />
2µ − 1<br />
2(µ − 1) , γ = −2µ2 − 2µ + 1 1<br />
, ˜α =<br />
2µ(µ − 1) 2µ ,<br />
0 0 0 0 0<br />
1/2 1/2 0 0 0<br />
1/3 1/3 0 0 0<br />
1 0 1 0 0<br />
0 1 0 0<br />
0 0 0 0<br />
γ γ 0 0<br />
1 δ 1 − δ 0<br />
δ 1 − δ 0<br />
,<br />
,<br />
0 0 0 0<br />
γ 0 γ 0<br />
1 0 1 − γ γ<br />
0 1 − γ γ<br />
0 0 0 0 0<br />
0 0 0 0 0<br />
γ γ 0 β 0<br />
1 γη 0 βη µ<br />
1 γη 0 βη µ<br />
1<br />
˜β = − , η = −2µ(µ − 1)<br />
2(µ − 1)<br />
0 0 0 0 0<br />
1/2 0 1/2 0 0<br />
1/3 0 0 1/3 0<br />
1 0 0 3/4 1/4<br />
1 0 0 3/4 1/4<br />
, γ = 1 −<br />
√ 2<br />
2<br />
, δ = 1 − 1<br />
2γ<br />
11