A Parallel Adaptive Newton-Krylov-Schwarz Method for 3D Compressible Inviscid Flow Simulations

Table 3

X29 aircraft. Comparison among different preconditioners for different values of the CFL number. 16, 32 and 64 processors have been used in the computations.

Time Level	CFL	𝑀	Prec	iters	CPU-time
10	102.4	32	𝑃𝑆	29	33.26
14	1000.0	32	𝑃𝑆	84	54.79
10	102.4	64	𝑃𝑆	33	15.57
14	1000.0	64	𝑃𝑆	90	25.28
10	102.4	16	𝑃𝐶,hybrid, 𝑛0/𝑀=4	16	96.69
14	1000.0	16	𝑃𝐶,hybrid, 𝑛0/𝑀=4	51	117.64
10	102.4	32	𝑃𝐶,hybrid, 𝑛0/𝑀=4	16	31.38
14	1000.0	32	𝑃𝐶,hybrid, 𝑛0/𝑀=4	39	37.93
10	102.4	64	𝑃𝐶,hybrid, 𝑛0/𝑀=1	20	13.53
14	1000.0	64	𝑃𝐶,hybrid, 𝑛0/𝑀=1	79	23.46
10	102.4	64	𝑃𝐶,hybrid, 𝑛0/𝑀=4	15	14.77
14	1000.0	64	𝑃𝐶,hybrid, 𝑛0/𝑀=4	35	19.45
10	102.4	64	𝑃𝐶,hybrid, 𝑛0/𝑀=8	15	12.93
14	1000.0	64	𝑃𝐶,hybrid, 𝑛0/𝑀=8	35	16.86
10	102.4	64	𝑃𝐶,hybrid, 𝑛0/𝑀=16	15	14.05
14	1000.0	64	𝑃𝐶,hybrid, 𝑛0/𝑀=16	35	18.82