376
吉林大学学报(地球科学版)
[4]Aki
K,RiehardsP
2003妊
精确内插公式,并将其与显式有限元的内节点波动计算公式相结合,发展了计算水平成层介质自由场波动的时域数值模拟方法。该方法不仅具有与散射场的数值模拟相匹配、计算量与介质分层情况无关、占用计算机存储空间小的优点,而且为近场波动数值模拟中自由场与散射场的同步计算提供了可能。
本文是在中国地震局工程力学研究所廖振鹏院士的指导下完成的,在此深表感谢。
参考文献:
[1]廖振鹏.近场波动的有限元模拟[J].地震工程与工程
振动.1984,4(2):l—14.
Liaowave
G.定量地震学.第1卷[M].李钦
祖,邹其嘉,等译.北京:地震出版社.1987.135—168
AkiK,RichardsP
G.QuantitativcSeismology.Vol
1
[M]Bering:ChinaSeismological
168.
Press,1987.135一
[5]ChenHouqun,Du
Xiuli.H0uShunzai
to
Application
of
transmittingboundaries
of
an
nonlineardynamicanalysis
arch
dam-foundation-reservoirsystem[A].In:
soil-structurein
ZhangC
H,WolfJP,eds.Dynamic
teracrion(currentresearchinChinaandSwitzerland)
[C].Beijing:International
1997.115—124.
AcademicPublishers,
[6]李山有,廖振鹏.地震体波斜入射情形下台阶地形引起
的波型转换[J].地震工程与工程振动,2002,22(4):9—
15.Li
Shanyou,Liao
a
Zhenpeng.Finiteelcmentsimulationofnear—field
motion[J].EarthquakeEngineering
Vibration,1984,4(2):1—14.
and
Engi—
neering
Zhenpeng.Wave-type
to
conversion
[23廖振鹏,黄孔亮,杨柏坡,等.暂态波分析的透射边界条
件口].中国科学(A辑)。1984,27:l
LiaoZhenpeng,Huang
063一1
076.
causedby
step
topographysubjected
inclinedseis—
micbodywave[J].EarthquakeEngineeringandEngi—
neering
Kongliang,YangBaipo.eta1.
Vibration.2002,22(4):9—15.
Atransmittingboundaryfortransient%vaveanalyses
[7]李山有.重大工程结构的设计地震输人[D].哈尔滨:
中国地震局工程力学研究所,2000.57~74.
LiShanyou.Designearthquakeinputforimportant
gineeringing
en—
[J].Science
1076.
inChina(SeriesA),1984,27:1083—
[33廖振鹏.工程波动理论导论第二版[M].北京:科学出
版社,2002.136—285.
Liaoin
wave
structure[D].Harbin:Institute
ofEngineer—
57
Mechanics ChinaSeismologicalBureau,2000
Zhenpeng.Introduction
to
motiontheories
Press,
—74
engineering[M],Bering;ChinaAcademic
2002.136—285.
THE
TIME—STEPNUMERICALSIMULATl0N
oFFREEFIELD
MoTIoN
oF
LAYEREDHALF二SPACEFORINCLINED
LI
(1
InstituteoJEngineeHng
SEIsMICWAVES
Shan—you‘,WANG
Xuelian92,ZHOUZheng—hua‘
150080,China;2
Chuxiong
Mechanics,ChinaSeismologicalBureau,Harbin
NormalCollegeoJYunnan
Province.Chuxiong
675000,China)
Abstract:The
inner-transmitting
wavemotion,ie.,thefree-field
lZlOIionin
a
layered
halfspace
background
faUSt
bedeterminedinordertocalculatethemotionofboundarynodesandinputwavemo—
scatteringproblem.A
tionenergy,whenapplyingfiniteelementinthesimulationofthewavemotion
timedomainequation
set
ispresentedforcalculatingfree—fieldmotionoflayeredhalf-space,takingside
boundarynodesfortheexample.Theequationsettakestheconsiderationofdecouplingmotionequation
offiniteelenlentandtherelationslformulaebetweenneighboringnodesbased
tingcharacteristicsof
sense
a
on
thehorizontalpropaga—
exact
free—fieldmotionsystem.Themethodgives
can
a
numericalsolutioninthe
offiniteelement,which
beapplied
to
synchronizedsimulationoftheinner—transmittingand
scatteringwave-motionfieldintime—domain.
Keywords:layeredhalfspace;inclinedseismicwave;free—fieldmotion;time—domainalgorithm
百度搜索“77cn”或“免费范文网”即可找到本站免费阅读全部范文。收藏本站方便下次阅读,免费范文网,提供经典小说教育文库地震波斜入射情形下水平成层半空间自由场的时域计算(5)在线全文阅读。
相关推荐: