According to structural feature of typical geologic models in Shengli oilfield, the paper presented staggering mesh high-order difference forward simulation of density-variated acoustic equation.
根据胜利油田典型地质模型的构造特点，本文提出了变密度声波方程交错网格高阶差分正演方法。
The high-order difference method of wave equation has the advantages of high accuracy and small numerical dispersion.
波动方程高阶差分法具有精度高、数值频散小的优点。
Highly precise solutions both in time and in space can be reached by solving wave equation with high order finite difference scheme of staggered grid under the condition of stability.
用交错网格的高阶有限差分方法解波动方程，在满足稳定性要求时，可获得时间和空间都是高阶精度的结果。
A high order accuracy compact difference method is presented for soling unsteady convection equation with source term.
提出了求解含源汇项非定常对流扩散方程的一类高精度格式。
A family of high accurate and three layer difference schemes containing parameters are constructed for solving four order parabolic equation.
对四阶抛物型方程构造一族含参数高精度三层差分格式。
A family of high accurate and three layer difference schemes containing parameters are constructed for solving four order parabolic equation.
对四阶抛物型方程构造一族含参数高精度三层差分格式。
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