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DOI	10.1007/s10596-019-9820-6
	A parallelization of the wavenumber integration acoustic modelling package OASES
	Hope, Gaute 1; Schmidt, Henrik 2
通讯作者	Hope, Gaute
来源期刊	COMPUTATIONAL GEOSCIENCES
ISSN	1420-0597
EISSN	1573-1499
出版年	2019
卷号	23 期号:4 页码:777-792
英文摘要	The wavenumber integration seismo-elastic model OASES can simulate the wave propagation in layered media, consisting of rough interfaces and elastic and porous layers. Range dependence is achieved by coupling vertical sections of layers, or cuts, together using the spectral super-element method. Only the specific frequencies, receiver depths, and offsets of interest need to be calculated when using the wavenumber integration technique. However, as pulse propagation at higher frequencies is simulated, denser sampling of frequencies must be used. For complex media with many layers, and many vertical sections, the computation time quickly escalates. By exploiting that each frequency response can be calculated independently, a parallelization of the OASES package has been implemented and is presented here. This makes otherwise computationally unfeasible or unpractical simulations feasible. In this work, the parallel OASES package is applied to, and benchmarked on, several acoustic and seismic problems. The increased computation capacity is used to simulate and image the full wave field of several cases, reducing the computation time in one of the cases from 1.5 years to 5 h.
英文关键词	Underwater sound propagation Parallel computing Wavenumber integration
类型	Article
语种	英语
国家	Norway ; USA
开放获取类型	Green Published
收录类别	SCI-E
WOS记录号	WOS:000477066900009
WOS关键词	SEA-ICE ; PROPAGATION ; SPEED
WOS类目	Computer Science, Interdisciplinary Applications ; Geosciences, Multidisciplinary
WOS研究方向	Computer Science ; Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/214961
作者单位	1.Nansen Environm & Remote Sensing Ctr, Bergen, Norway; 2.MIT, 77 Massachusetts Ave, Cambridge, MA 02139 USA
推荐引用方式 GB/T 7714	Hope, Gaute,Schmidt, Henrik. A parallelization of the wavenumber integration acoustic modelling package OASES[J],2019,23(4):777-792.
APA	Hope, Gaute,&Schmidt, Henrik.(2019).A parallelization of the wavenumber integration acoustic modelling package OASES.COMPUTATIONAL GEOSCIENCES,23(4),777-792.
MLA	Hope, Gaute,et al."A parallelization of the wavenumber integration acoustic modelling package OASES".COMPUTATIONAL GEOSCIENCES 23.4(2019):777-792.