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GPU parallel three-dimensional seismic wave field generating method and system

A seismic wave field and seismic wave technology, applied in the field of numerical simulation and high-performance computing, can solve problems such as time-consuming, difficult to meet high-precision computing requirements, and low computing efficiency, and achieve the effects of good stability, improved efficiency, and improved computing efficiency.

Active Publication Date: 2017-06-13
PEKING UNIV
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Problems solved by technology

However, due to the huge amount of calculations brought by the calculation of 3D data, the calculation efficiency of the existing technology is low, it takes a long time, and it is difficult to meet the high-precision calculation requirements

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  • GPU parallel three-dimensional seismic wave field generating method and system
  • GPU parallel three-dimensional seismic wave field generating method and system
  • GPU parallel three-dimensional seismic wave field generating method and system

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Embodiment Construction

[0060] Below in conjunction with accompanying drawing, further describe the present invention through embodiment, but do not limit the scope of the present invention in any way.

[0061] The present invention provides a GPU-based parallel three-dimensional seismic wave field generation method and system. Based on high-order finite difference and GPU parallel acceleration, high-order finite difference is performed on the seismic wave propagation equation, and numerical simulation is processed through GPU parallel acceleration to obtain high-precision exploration seismic waves. Propagate data to generate surface seismic record data and wave field slice results with high precision and high efficiency, thereby realizing high precision and high efficiency to solve the 3D seismic wave equation, greatly improving calculation efficiency and ensuring the most effective accuracy requirements Purpose.

[0062] In the present invention, the high-order finite difference method has higher p...

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Abstract

The invention discloses a forward simulation method and system of a three-dimensional seismic wave field based on GPU parallel acceleration and belongs to the technical field of numerical simulation and high-performance computing. According to the method, high-order finite difference is conducted on a seismic wave propagation equation, high-precision explored seismic wave propagation data is obtained through numerical simulation calculation, acceleration processing is conducted on a GPU, and ground seismic recorded data and wave field section results are efficiently generated in a high-precision mode. By adopting the forward simulation method and system, the three-dimensional seismic wave equation can be calculated in a high-precision and high-efficiency mode, the computational efficiency is greatly improved, and the computational accuracy is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of numerical simulation and high-performance computing, and relates to a seismic wave field forward modeling method, in particular to a GPU-based parallel accelerated three-dimensional seismic wave field forward modeling method and a system thereof. Background technique [0002] Seismic wavefield forward modeling is a numerical simulation method that can effectively reflect the structural changes of underground media. With the development of oil and gas exploration and development technology and the improvement of computer computing power, the method of seismic wave field forward modeling has been widely used. [0003] Seismic wave field numerical forward modeling is a technology that uses theoretical calculation methods to study the propagation law of seismic waves in the underground medium and obtain artificially synthesized seismic records when the structure and parameters of the underground medium are kn...

Claims

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Application Information

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IPC IPC(8): G01V1/30
CPCG01V1/30G01V2210/66
Inventor 胡天跃王为中安圣培
Owner PEKING UNIV
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