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

Table 2

X29 aircraft. Comparison of 𝑃_𝑆 and 𝑃_𝐶,hybrid using different number of processors for the non-adapted grid, is made up of 136767 nodes and 726713 elements. Both CPU-time and iterations refer to the first 14 time iterations of the backward Euler method. For the coarse correction 𝑛₀/𝑀=4.

	𝑀=8	𝑀=16	𝑀=32	𝑀=64
iters
𝑃𝑆	270	310	369	347
𝑃𝐶,hybrid	—	199	210	171
(𝑃𝑆−𝑃𝐶,hybrid)/𝑃𝐶,hybrid∗100	—	55.7	75.1	102.9
CPU-time
𝑃𝑆	4995.1	1461.2	451.6	202.9
𝑃𝐶,hybrid	—	1253.3	434.3	189.1
(𝑃𝑆−𝑃𝐶,hybrid)/𝑃𝐶,hybrid∗100	—	16.58	3.98	7.29