Article(id=1309584791872304039, tenantId=1146029695717560320, journalId=1308397311409356903, issueId=1309584674813472796, articleNumber=null, orderNo=null, doi=10.6038/pg2026JJ0228, pmid=null, cstr=2085.14.pg2026JJ0228, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1750867200000, receivedDateStr=2025-06-26, revisedDate=1757433600000, revisedDateStr=2025-09-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1790158945290, onlineDateStr=2026-09-23, pubDate=1771516800000, pubDateStr=2026-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790158945290, onlineIssueDateStr=2026-09-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790158945290, creator=13701087609, updateTime=1790158945290, updator=13701087609, issue=Issue{id=1309584674813472796, tenantId=1146029695717560320, journalId=1308397311409356903, year='2026', volume='41', issue='1', pageStart='1', pageEnd='500', issueExtLink='null', onlineDate='null', pubDate='1771516800000', pubDateStr='2026-02-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1790158917382, creator='13701087609', updateTime=1790210867428, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1309802569166316485, tenantId=1146029695717560320, journalId=1308397311409356903, issueId=1309584674813472796, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1309802569166316486, tenantId=1146029695717560320, journalId=1308397311409356903, issueId=1309584674813472796, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=289, endPage=310, ext={EN=ArticleExt(id=1309584792115573672, articleId=1309584791872304039, tenantId=1146029695717560320, journalId=1308397311409356903, language=EN, title=Temporal high-order rotated-staggered-grid finite difference method of anisotropic media elastic wave equations, columnId=null, journalTitle=Progress in Geophysics, columnName=null, runingTitle=null, highlight=null, articleAbstract=
When numerically simulating the elastic wave field in anisotropic media using the rotated staggered grid finite difference method, numerical dispersion phenomena usually occur. To solve this problem, a time-domain high-order difference coefficient calculation model based on the coupling of Taylor expansion and sampling approximation method is proposed, and an improved space-time domain high-order rotating staggered grid scheme is constructed. To verify the performance of the modified algorithm, the improved algorithm is compared with the general staggered grid and other rotated staggered grids, and the dispersion degree and stability of each algorithm are analyzed. Through the results of numerical experiments, it is found that the algorithm improved by the optimization strategy of the difference operator coefficients based on the Taylor expansion and the sampling approximation method can significantly suppress the dispersion of the elastic wave field in isotropic media, VTI/TTI anisotropic media, and the modified BP model.
, authors=WanLai LI
1, QianJin ZHAO
1, *, Hui WEI
2, YiXuan WANG
1, authorsList=WanLai LI, QianJin ZHAO, Hui WEI, YiXuan WANG, authorCompany=null, correspAuthors=QianJin ZHAO, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2026 Progress in Geophysics. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1309584798004376521, articleId=1309584791872304039, tenantId=1146029695717560320, journalId=1308397311409356903, language=CN, title=基于泰勒展开和采样逼近法的各向异性介质弹性波模拟时空高阶旋转交错网格法, columnId=1309584711584932741, journalTitle=地球物理学进展, columnName=应用地球物理学(油气、金属矿、海洋、环境、工程、仪器等), runingTitle=null, highlight=null, articleAbstract=
旋转交错网格有限差分法对各向异性介质弹性波波场进行数值模拟时, 通常存在数值频散现象.为此, 给出了基于泰勒展开与采样逼近法耦合的时域高阶差分系数计算模型, 构建了改进的时空域高阶旋转交错网格格式.为了验证改进算法的性能, 将改进算法与一般交错网格以及其他旋转交错网格进行比较, 分析各算法的频散程度以及稳定性.通过数值实验结果发现, 基于泰勒展开与采样逼近法的差分算子系数优化策略改进的算法在各向同性介质、VTI/TTI各向异性介质及修正BP模型中均能显著抑制弹性波场的频散.
, authors=李皖来
1, 赵前进
1, *, 韦慧
2, 王弈轩
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2桂林电子科技大学数学与计算科学学院, 桂林 541004)])], figs=[ArticleFig(id=1309584802332898284, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.1, caption=
Dispersion curves of each algorithm with $k h$ under different spatial operator lengths, $r=0.4, \theta=\frac{{\rm{\mathsf{π}}}}{8}$, figureFileSmall=GvSNQFMZ2oL4UryBTnYoFA==, figureFileBig=3tQyNVhpGPZOa0vhMovyAg==, tableContent=null), ArticleFig(id=1309584802416784365, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图1, caption=
各算法在不同空间算子长度情形下随$k h$变化的频散曲线图,$r=0.4, \theta=\frac{{\rm{\mathsf{π}}}}{8}$(a) S-RSFD;(b) TE-Xie-RSFD;(c) TE+SA-RSFD.
, figureFileSmall=GvSNQFMZ2oL4UryBTnYoFA==, figureFileBig=3tQyNVhpGPZOa0vhMovyAg==, tableContent=null), ArticleFig(id=1309584804199363566, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.2, caption=
Dispersion curves of each algorithm with propagation angle θ under different spatial operator lengths, r=0.4, kh=2.2, figureFileSmall=4K8iWtMd6h/cYJAX67algA==, figureFileBig=XNBOmg/39vY94yY+Uw4onA==, tableContent=null), ArticleFig(id=1309584804287443951, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图2, caption=
各算法在不同空间算子长度情形下随传播角θ变化的频散曲线图,r=0.4,kh=2.2(a) S-RSFD;(b) TE-Xie-RSFD;(c) TE+SA-RSFD.
, figureFileSmall=4K8iWtMd6h/cYJAX67algA==, figureFileBig=XNBOmg/39vY94yY+Uw4onA==, tableContent=null), ArticleFig(id=1309584804379718640, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.3, caption=
Dispersion curves of each algorithm with kh and propagation angle θ, r=5.33, P=5, figureFileSmall=LnltG/4lBLOwKI76/P31Ig==, figureFileBig=qGr4lGtf8vIdqGyJUhadPg==, tableContent=null), ArticleFig(id=1309584804476187633, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图3, caption=
各算法随kh和传播角θ变化的频散曲线图,r=5.33,P=5(a) θ= π 3;(b) kh=2.2.
, figureFileSmall=LnltG/4lBLOwKI76/P31Ig==, figureFileBig=qGr4lGtf8vIdqGyJUhadPg==, tableContent=null), ArticleFig(id=1309584804614599666, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.4, caption=
Contour distribution heat map of the normalized phase velocity error of each algorithm as a function of kh and propagation angle θ, figureFileSmall=wt0S8yFwX3gr/AJLzou9Hg==, figureFileBig=inlk4LIXHW4Zl26mizkK+w==, tableContent=null), ArticleFig(id=1309584804727845875, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图4, caption=
各算法归一化相速度误差随kh与传播角θ变化的等高线分布热图(a)TE-Xie-RSFD;(b) TE+LS-Xie-RSFD;(c)TE+SA-RSFD.
, figureFileSmall=wt0S8yFwX3gr/AJLzou9Hg==, figureFileBig=inlk4LIXHW4Zl26mizkK+w==, tableContent=null), ArticleFig(id=1309584804824314868, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.5, caption=
Stability curves of each algorithm with different spatial operator lengths, h=15 m, figureFileSmall=iZv4ZqFJ2HuRlsbpZwoGlg==, figureFileBig=RjH87H9DUMotvfw79ziGVQ==, tableContent=null), ArticleFig(id=1309584804912395253, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图5, caption=
各算法在不同空间算子长度情形下随时间间隔变化的稳定曲线图,h=15 m(a) M-SFD;(b) S-RSFD;(c) TE+SA-RSFD.
, figureFileSmall=iZv4ZqFJ2HuRlsbpZwoGlg==, figureFileBig=RjH87H9DUMotvfw79ziGVQ==, tableContent=null), ArticleFig(id=1309584804996281334, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.6, caption=
Stability curves of each algorithm with spatial interval under different spatial operator lengths, Δt=0.1 ms, figureFileSmall=rFh+DBGr8nm8XZsZNn6QDQ==, figureFileBig=q4pnY75cYBnLGGCZ2Ynp1g==, tableContent=null), ArticleFig(id=1309584805096944631, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图6, caption=
各算法在不同空间算子长度情形下随空间间隔变化的稳定曲线图,Δt=0.1 ms(a) M-SFD;(b) S-RSFD;(c) TE+SA-RSFD.
, figureFileSmall=rFh+DBGr8nm8XZsZNn6QDQ==, figureFileBig=q4pnY75cYBnLGGCZ2Ynp1g==, tableContent=null), ArticleFig(id=1309584805176636408, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.7, caption=
Stability curves of each algorithm with time and space interval, P=5, figureFileSmall=u8t4pkV7gVMn8B/C4ExRWQ==, figureFileBig=kVS7bEB7tu2XRacoHVgPCg==, tableContent=null), ArticleFig(id=1309584805247939577, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图7, caption=
各算法随时间、空间间隔变化的稳定曲线图,P=5(a) h=15 m;(b) Δt=0.1 ms.
, figureFileSmall=u8t4pkV7gVMn8B/C4ExRWQ==, figureFileBig=kVS7bEB7tu2XRacoHVgPCg==, tableContent=null), ArticleFig(id=1309584805336019962, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.8, caption=
Uniform isotropic media model, wave field snapshot at t=0.13 s, P=2, figureFileSmall=1SlnJRawzw6X9MEYjun3Yg==, figureFileBig=4tiVrbKAkEkPsEpBcXlXMA==, tableContent=null), ArticleFig(id=1309584805436683259, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图8, caption=
均匀各向同性介质模型,t=0.13 s时刻的波场快照,P=2, figureFileSmall=1SlnJRawzw6X9MEYjun3Yg==, figureFileBig=4tiVrbKAkEkPsEpBcXlXMA==, tableContent=null), ArticleFig(id=1309584805503792124, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.9, caption=
Uniform isotropic media model, wave field snapshot at t=0.13 s, P=9, figureFileSmall=EzzqZCWPvOx13n4XQAb/OA==, figureFileBig=avbnPhkQ6s75v5Rjww6Dyg==, tableContent=null), ArticleFig(id=1309584805579289597, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图9, caption=
均匀各向同性介质模型,t=0.13 s时刻的波场快照,P=9, figureFileSmall=EzzqZCWPvOx13n4XQAb/OA==, figureFileBig=avbnPhkQ6s75v5Rjww6Dyg==, tableContent=null), ArticleFig(id=1309584805658981374, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.10, caption=
Snapshot of the VTI medium model at t=0.13 s, figureFileSmall=rJlAsvL+UIB+TxyH+d29Ug==, figureFileBig=alMYeUqyGUy5eHKoqbfomw==, tableContent=null), ArticleFig(id=1309584805742867455, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图10, caption=
VTI介质模型t=0.13 s时刻波场快照, figureFileSmall=rJlAsvL+UIB+TxyH+d29Ug==, figureFileBig=alMYeUqyGUy5eHKoqbfomw==, tableContent=null), ArticleFig(id=1309584805809976320, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.11, caption=
Snapshot of the VTI medium model at t=0.13 s, figureFileSmall=tcrtafc0qcwkk3i4SPUSvQ==, figureFileBig=E630LrFqUcvFrdl3y1tOiQ==, tableContent=null), ArticleFig(id=1309584805881278464, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图11, caption=
TTI介质模型t=0.13 s时刻波场快照, figureFileSmall=tcrtafc0qcwkk3i4SPUSvQ==, figureFileBig=E630LrFqUcvFrdl3y1tOiQ==, tableContent=null), ArticleFig(id=1309584805960970241, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.12, caption=
The anisotropic medium model waveform recording, P=9, figureFileSmall=D8a8V6RtymC+OdRDInDbZA==, figureFileBig=sHAeO7xLhjWrQV+UrfVcOw==, tableContent=null), ArticleFig(id=1309584806074216450, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图12, caption=
各向异性介质模型波形记录,P=9(a) VTI介质模型;(b) TTI介质模型.
, figureFileSmall=D8a8V6RtymC+OdRDInDbZA==, figureFileBig=sHAeO7xLhjWrQV+UrfVcOw==, tableContent=null), ArticleFig(id=1309584806158102531, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.13, caption=
Schematic diagram of the numerical distribution of elastic parameters of the modified BP model, figureFileSmall=Daycn4HRtSHCED1hGm2+0g==, figureFileBig=MRUj2m7W16r443k1k1DADQ==, tableContent=null), ArticleFig(id=1309584806241988612, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图13, caption=
修正BP模型的弹性参数数值分布示意图, figureFileSmall=Daycn4HRtSHCED1hGm2+0g==, figureFileBig=MRUj2m7W16r443k1k1DADQ==, tableContent=null), ArticleFig(id=1309584806313291781, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.14, caption=
Snapshot of the modified BP model, figureFileSmall=0/r+PoNNOgSA74UKgWpX7A==, figureFileBig=1n2aqKe5JyH7yuM5hv28Bw==, tableContent=null), ArticleFig(id=1309584806405566470, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图14, caption=
修正BP模型波场快照(a) M-SFD t=0.25 s、t=0.55 s;(b) S-RSFD t=0.25 s、t=0.55 s;(c) TE-Xie-RSFD t=0.25 s、t=0.55 s;(d) TE+LS-Xie-RSFD t=0.25 s、t=0.55 s;(e) TE+SA-RSFD t=0.25 s、t=0.55 s.
, figureFileSmall=0/r+PoNNOgSA74UKgWpX7A==, figureFileBig=1n2aqKe5JyH7yuM5hv28Bw==, tableContent=null), ArticleFig(id=1309584806485258247, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.15, caption=
Enlarged view of the snapshot of the modified BP model at t=0.55 s, figureFileSmall=IJdHeucceL2UjK4h3V4ZiA==, figureFileBig=FxEmYtBLum1Mzoqgj1ekCg==, tableContent=null), ArticleFig(id=1309584806569144328, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图15, caption=
修正BP模型t=0.55 s时刻波场快照放大图, figureFileSmall=IJdHeucceL2UjK4h3V4ZiA==, figureFileBig=FxEmYtBLum1Mzoqgj1ekCg==, tableContent=null), ArticleFig(id=1309584806665613321, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=EN, label=Fig.16, caption=
The waveform record of the modified BP model, P=9, figureFileSmall=BvCno2Cg0M16zDqvRoGSSw==, figureFileBig=7DWWMmcSJhRBr5Uc6UCxYQ==, tableContent=null), ArticleFig(id=1309584806745305098, tenantId=1146029695717560320, journalId=1308397311409356903, articleId=1309584791872304039, language=CN, label=图16, caption=
修正BP模型波形记录,P=9(a) t=0.25 s;(b) t=0.55 s.
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