Exact(8)
First, it can be clearly seen that the computational run for the SLLM takes far less computer time than both the SRM and the b v p 4 c of the three methods, the b v p 4 c is the slowest.
In order to avoid long computational run times, physically pertinent trial functions are utilized.
Finally, we report computational run times on a CPU and a GPU, and give two numerical examples to illustrate the method.
Such scaling reduces the computational run time in direct proportion to the number of GPUs used — a major requirement for efficient parallel processing.
In the case of the flashing liquid and two-phase pipelines, a significant reduction in the computational run time for the Phu and Psu based simulations as compared to the conventional Pρu formulation is observed.
Application simulations and an airfoil trailing edge noise experiment show that DAMAS-CG2 not only reduces significantly the computational run time but also retains the spatial resolution of DAMAS on original grid.
The simulated outflow data for varying discretisation time and distance elements, expressed in terms of a Courant, Friedrichs and Lewy (CFL) factor indicate that in the case of permanent fluids and two-phase mixtures, a hyperbolic increase in the computational run time with decreasing CFL factor is obtained.
Without optimizing DAMAS algorithm, recently DAMAS with wavelet compression computational grid (denoted by DAMAS-CG1) has reduced significantly computational run time of DAMAS in applications (Ma & Liu, J. Sound Vib., 395, 2017), however DAMAS-CG1 has an inevitable deficiency that the occurrence probability of aliasing increases slightly for complicated sound source.
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