function?[zrdr]?=?disp_stress（freqvrthkdnscvscvpFz）

%?This?function?calulates?the?displacement-stress?vectors?（i.e.?the?eigenfunctions）
%?corresponding?to?the?phase?velocities?（i.e.?wavenumbers）?contained?in?the?vr
%?matrix

%?Copyright?1999?by?Glenn?J.?Rix?and?Carlo?G.?Lai

%?This?program?is?free?software;?you?can?redistribute?it?and/or
%?modify?it?under?the?terms?of?the?GNU?General?Public?License
%?as?published?by?the?Free?Software?Foundation;?either?version?2
%?of?the?License?or?（at?your?option）?any?later?version.
%
%?This?program?is?distributed?in?the?hope?that?it?will?be?useful
%?but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
%?MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the
%?GNU?General?Public?License?for?more?details.
%
%?You?should?have?received?a?copy?of?the?GNU?General?Public?License
%?along?with?this?program;?if?not?write?to?the?Free?Software
%?Foundation?Inc.?59?Temple?Place?-?Suite?330?Boston?MA??02111-1307?USA.

%?Establish?global?parameters
global?NUMPOINTS?LAMBDA?MAXROOT

%?Calculate?the?vector?of?circular?frequencies
om?=?2*pi*freq;

%?Determine?the?number?of?layers?not?including?the?half?space
N?=?length（thk）;

%?Calulate?the?maximum?depth?for?determining?the?displacement-stress?vectors
lambda_max?=?LAMBDA*（real（vr（:1））.^2?+?imag（vr（:1））.^2）./real（vr（:1））./freq;

%?Initiate?the?depth?and?displacement-stress?vectors?and?their?numerical?derivatives
z?=?zeros（NUMPOINTSlength（freq））;
r?=?zeros（length（freq）MAXROOTNUMPOINTS4）;
dr?=?zeros（length（freq）MAXROOTNUMPOINTS2）;

%?Loop?through?the?frequencies
for?j?=?1:length（freq）
???
???%?Create?a?vector?of?depths
???z（:j）?=?linspace（0lambda_max（j）NUMPOINTS）‘;
???
???%?Loop?through?the?modes?at?each?frequency
???index1?=?find（vr（j:））;
???for?m?=?1:length（index1）
??????
??????%?Calculate?the?wavenumber?and?load?vector
??????k?=?om（j）/vr（jindex1（m））;
??????delqz?=?[0?;?k*Fz/（2*pi）];
??????
??????%?Check?to?see?if?the?phase?velocity?is?equal?to?the?shear?wave?velocity
		%?or?compression?wave?velocity?of?one?of?the?layers
??????epsilon?=?0.0001;
??????while?any（abs（om（j）/k-cvs）???		k?=?k?*?（1+epsilon）;
		end???
??????
??????%?Calculate?the?PSV?element?matrices?for?each?layer?and?generalized?R/T?matrices
		[e11e12e21e22dumunusnup]?=?psv（thkdnscvpcvsom（j）k）;
		[tdturdru]?=?modrt（e11e12e21e22du）;
		[TdRd]?=?genrt（tdturdru）;
??????
??????%?Initialize?the?Cd?and?Cu?matrices
??????cd?=?zeros（21N+1）;
??????cu?=?zeros（21N+1）;
??????
??????%?Calculate?Cd?for?the?first?layer
??????[lamdlamu]?=?updown（thkcvpcvsom（j）k01）;
??????cd（::1）?=?（e21（::1）?+?e22（::1）*lamu*Rd（::1））\delqz;
??????
??????%?Calculate?Cd?and?Cu?for?the?remaining?layers
??????for?n?=?1:N
?????????cu（::n）?=?Rd（::n）*cd（::n）;
?????????cd（::n+1）?=?Td（::n）*cd（::n）;
??????end
??????
??????%?Loop?through?the?ve

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????3217??2005-08-11?16:26??GA-based_Inversion_Example1-1\BS2RV.M

?????文件???????1835??2005-08-11?16:26??GA-based_Inversion_Example1-1\CONTENTS.M

?????文件???????1168??2005-08-11?16:26??GA-based_Inversion_Example1-1\CRTbase.M

?????文件???????2273??2006-12-25?13:54??GA-based_Inversion_Example1-1\CRTBP.M

?????文件???????2091??2005-08-11?16:26??GA-based_Inversion_Example1-1\CRTRP.M

?????文件???????3884??1999-12-23?16:20??GA-based_Inversion_Example1-1\disp_stress.m

?????文件???????4193??2000-01-03?08:56??GA-based_Inversion_Example1-1\effective.m

?????文件???????9684??2008-07-10?12:40??GA-based_Inversion_Example1-1\Example_1.asv

?????文件???????9684??2008-07-03?15:56??GA-based_Inversion_Example1-1\Example_1.m

?????文件???????7448??2008-06-22?19:44??GA-based_Inversion_Example1-1\Figure?No.1.fig

?????文件??????21992??2008-06-22?19:44??GA-based_Inversion_Example1-1\Figure?No.2.fig

?????文件??????20976??2008-06-22?19:44??GA-based_Inversion_Example1-1\Figure?No.3.fig

?????文件???????1270??1999-11-11?08:16??GA-based_Inversion_Example1-1\genrt.m

?????文件???????2429??1999-12-23?13:40??GA-based_Inversion_Example1-1\green.m

?????文件???????1475??1999-11-11?08:17??GA-based_Inversion_Example1-1\homogeneous.m

?????文件???????7205??2005-08-11?16:26??GA-based_Inversion_Example1-1\MIGRATE.M

?????文件???????1622??2006-12-28?13:26??GA-based_Inversion_Example1-1\Mlayer_NumEx1.m

?????文件???????2698??1999-11-11?08:17??GA-based_Inversion_Example1-1\modal.m

?????文件???????1548??1999-11-11?08:17??GA-based_Inversion_Example1-1\modrt.m

?????文件???????4019??2005-08-11?16:26??GA-based_Inversion_Example1-1\MPGA.M

?????文件???????1609??2005-08-11?16:26??GA-based_Inversion_Example1-1\MUT.M

?????文件???????3437??2005-08-11?16:26??GA-based_Inversion_Example1-1\MUTATE.M

?????文件???????4943??2005-08-11?16:26??GA-based_Inversion_Example1-1\MUTBGA.M

?????文件????????393??2005-10-07?13:16??GA-based_Inversion_Example1-1\NumExample1.txt

?????文件???????2629??2005-08-11?16:26??GA-based_Inversion_Example1-1\OBJFUN1.M

?????文件???????2559??2005-08-11?16:26??GA-based_Inversion_Example1-1\OBJHARV.M

?????文件???????4187??1999-12-24?16:35??GA-based_Inversion_Example1-1\partial.m

?????文件???????2896??1999-11-11?08:18??GA-based_Inversion_Example1-1\psv.m

?????文件???????4709??2005-08-11?16:26??GA-based_Inversion_Example1-1\RANKING.M

?????文件???????7593??2006-12-25?13:50??GA-based_Inversion_Example1-1\rayleigh.m

............此處省略26個文件信息