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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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横向各向同性介质优化差分系数法地震波场数值模拟
Keywords: 波场模拟,优化差分系数,有限差分,数值频散,强约束条件,弱约束条件,横向各向同性介质
Abstract:
？在应用有限差分法地震波场数值模拟过程中,数值频散是关键问题之—。为压制地震波场模拟中的数值频散,针对1阶速度—应力方程的交错网格空间离散差分算子,本文分别引入强约束条件和弱约束条件,构造了不同的lagrange函数;然后通过求取条件极值得到优化差分算子。将其应用于横向各向同性(vti)介质波场数值模拟,结果表明采用优化空间差分算子能有效压制数值频散,并可提高差分近似导数的精度。
| [1] | virieuxj.p-svwavepropagationinheterogeneousmedia:velocity-stressfinitedifferencemethod.geophysics.1986[2]alfordrm,keilykr,boredm.accuracyoffinitedifferencemodelingoftheacousticwaveequa-tion.geophyiscs.1974[3]virieuxj.sh-wavepropagationinheterogeneousmedia:velocity-stressfinitedifferencemethod.geophysics.1984[4]dablainma.theapplicationofhigh-orderdifferencingtothescalarwaveequation.geophysics.1986[5]madariagar.dynamicsofanexpandingcircularfault.bulletinoftheseismologicalsocietyofamerica.1976[6]wangyuan,andwurongsheng.anoptimalspatialfinite-differenceoperatorwhichreducedtruncationerrortoaminimum.advancesinatmosphericsciences.2002[7]crasee.high-order(spaceandtime)finite-differencemodelingofelasticwaveequation.expandedabstractsof60thannualinternationalsegmeeting.1990[8]杜启振,李宾.组合吸收边界条件下vti介质地震波场模拟[j].石油地球物理勘探.2009(02)[9]杜启振,李宾,侯波.横向各向同性介质紧致交错网格有限差分波场模拟(英文)[j].appliedgeophysics.2009(01)[10]吴国忱,梁锴.vti介质频率-空间域准p波正演模拟[j].石油地球物理勘探.2005(05)[11]董良国,李培明.地震波传播数值模拟中的频散问题[j].天然气工业.2004(06)[12]蔡其新,何佩军,秦广胜,秦亚玲,计平,孟凡冰,王锡文.有限差分数值模拟的最小频散算法及其应用[j].石油地球物理勘探.2003(03)[13]董良国,马在田,曹景忠,王华忠,耿建华,雷兵,许世勇.—阶弹性波方程交错网格高阶差分解法[j].地球物理学报.2000(03)[14]周家纪,王铎.用最佳差分方法计算p—sv波[j].哈尔滨工业大学学报.1994(01)
|
| [2] | virieuxj.p-svwavepropagationinheterogeneousmedia:velocity-stressfinitedifferencemethod.geophysics.1986
|
| [3] | alfordrm,keilykr,boredm.accuracyoffinitedifferencemodelingoftheacousticwaveequa-tion.geophyiscs.1974
|
| [4] | virieuxj.sh-wavepropagationinheterogeneousmedia:velocity-stressfinitedifferencemethod.geophysics.1984
|
| [5] | dablainma.theapplicationofhigh-orderdifferencingtothescalarwaveequation.geophysics.1986
|
| [6] | madariagar.dynamicsofanexpandingcircularfault.bulletinoftheseismologicalsocietyofamerica.1976
|
| [7] | wangyuan,andwurongsheng.anoptimalspatialfinite-differenceoperatorwhichreducedtruncationerrortoaminimum.advancesinatmosphericsciences.2002
|
| [8] | crasee.high-order(spaceandtime)finite-differencemodelingofelasticwaveequation.expandedabstractsof60thannualinternationalsegmeeting.1990
|
| [9] | 杜启振,李宾.组合吸收边界条件下vti介质地震波场模拟[j].石油地球物理勘探.2009(02)
|
| [10] | 杜启振,李宾,侯波.横向各向同性介质紧致交错网格有限差分波场模拟(英文)[j].appliedgeophysics.2009(01)
|
| [11] | 吴国忱,梁锴.vti介质频率-空间域准p波正演模拟[j].石油地球物理勘探.2005(05)
|
| [12] | 董良国,李培明.地震波传播数值模拟中的频散问题[j].天然气工业.2004(06)
|
| [13] | 蔡其新,何佩军,秦广胜,秦亚玲,计平,孟凡冰,王锡文.有限差分数值模拟的最小频散算法及其应用[j].石油地球物理勘探.2003(03)
|
| [14] | 董良国,马在田,曹景忠,王华忠,耿建华,雷兵,许世勇.—阶弹性波方程交错网格高阶差分解法[j].地球物理学报.2000(03)
|
| [15] | 周家纪,王铎.用最佳差分方法计算p—sv波[j].哈尔滨工业大学学报.1994(01)
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