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请牛人指教一下,三维程序中均匀平面波入 ..
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请牛人指教一下,三维程序中均匀平面波入射时连接边界这样加入有问题吗?
离线
lizi
UID :14737
注册:
2008-07-04
登录:
2008-12-23
发帖:
46
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仿真一级
0楼
发表于: 2008-07-14 16:33:50
里面的计算过程根据葛老师编的书上公式!(前4个式子计算E0,后面两个坐标转换,不知道这样对不对)请教牛人指导,磁场也按同样方法加入!
DRm`y>.
ie为x方向格子数+1,je,ke分别为y、z方向
h.K"v5I*
left_x(i,1,k)存储左侧面ex值,其他的类似!
g "Du]_,
3r+c&^
for i=1:ie
dUa>XkPa\2
for k=1:ke
2g O@
temp1(1)=i*sin(theta)*cos(psi)+jets*cos(theta)*sin(psi)+k*cos(psi);
wb62($
temp1(2)=floor(temp1(1)); %左表面 电场
IoOOS5a
temp1(3)=temp1(1)-temp1(2);
h.R46 :
temp1(4)=temp1(2)+1;
)]q Qgc&
left_x(i,1,k)=(1-temp1(3))*ein(temp1(2))+temp1(3)*ein(temp1(4));
5!A:xV]6]
left_x(i,1,k)=left_x(i,1,k)*(-sin(psi)*sin(alpha)+cos(theta)*cos(psi)*cos(alpha));
]8%E'd
left_z(i,1,k)=-left_x(i,1,k)*sin(theta)*cos(alpha);
K@=u F1?
1_{ e*=/y
temp1(1)=i*sin(theta)*cos(psi)+jete*cos(theta)*sin(psi)+k*cos(psi);
}i^M<A O
temp1(2)=floor(temp1(1)); %右边面 电场
c!\T0XtT
temp1(3)=temp1(1)-temp1(2);
3?j:M]fR
temp1(4)=temp1(2)+1;
>/\TG8t,f
right_x(i,1,k)=(1-temp1(3))*ein(temp1(2))+temp1(3)*ein(temp1(4));
J#C4A]A
right_x(i,1,k)=right_x(i,1,k)*(-sin(psi)*sin(alpha)+cos(theta)*cos(psi)*cos(alpha));
% WDTnEm
right_z(i,1,k)=-right_x(i,1,k)*sin(theta)*cos(alpha);
X% 05[N
end
s~Ivq+ipr;
end
AsE77AUA
#EUT"^:d
for i=1:ie
(km $qX
for j=1:je
kHr-UJ!
temp1(1)=i*sin(theta)*cos(psi)+j*cos(theta)*sin(psi)+kets*cos(psi);
7HW:;2dL
temp1(2)=floor(temp1(1)); %下边面 电场
3A^AEO
temp1(3)=temp1(1)-temp1(2);
T&[6
temp1(4)=temp1(2)+1;
?<4pYEP
bottom_x(i,j,1)=(1-temp1(3))*ein(temp1(2))+temp1(3)*ein(temp1(4));
<VD7(j]'^
bottom_x(i,j,1)=bottom_x(i,j,1)*(-sin(psi)*sin(alpha)+cos(theta)*cos(psi)*cos(alpha));
y2+f)Xp_.C
bottom_y(i,j,1)=bottom_x(i,j,1)*(cos(psi)*sin(alpha)+cos(theta)*sin(psi)*cos(alpha));
;!f~
:2xGfy??
temp1(1)=i*sin(theta)*cos(psi)+j*cos(theta)*sin(psi)+kete*cos(psi);
4RDY_HgF6
temp1(2)=floor(temp1(1)); %上边面 电场
=b*GV6b
temp1(3)=temp1(1)-temp1(2);
S8AbLl9G@>
temp1(4)=temp1(2)+1;
&v0]{)PO
top_x(i,j,1)=(1-temp1(3))*ein(temp1(2))+temp1(3)*ein(temp1(4));
<k8WnA ~Fl
top_x(i,j,1)=top_x(i,j,1)*(-sin(psi)*sin(alpha)+cos(theta)*cos(psi)*cos(alpha));
"Q+wO+}6
top_y(i,j,1)=top_x(i,j,1)*(cos(psi)*sin(alpha)+cos(theta)*sin(psi)*cos(alpha));
F1BvDplQ>G
end
dCM&Yf}K
end
]*zG*.C
mRAt5a#is
for j=1:je
cr -5t4<jK
for k=1:ke
=XQGg`8<LB
temp1(1)=iets*sin(theta)*cos(psi)+j*cos(theta)*sin(psi)+k*cos(psi);
B ZU@W%E
temp1(2)=floor(temp1(1)); %后边面 电场
!x-__[#
temp1(3)=temp1(1)-temp1(2);
v`mB82s
temp1(4)=temp1(2)+1;
4~1b
back_y(1,j,k)=(1-temp1(3))*ein(temp1(2))+temp1(3)*ein(temp1(4));
#akJhy@m$
back_y(1,j,k)=back_y(1,j,k)*(cos(psi)*sin(alpha)+cos(theta)*sin(psi)*cos(alpha));
axmq/8X
back_z(1,j,k)=-back_y(1,j,k)*sin(theta)*cos(alpha);
.BJoY <P*
neu<zSS
temp1(1)=iete*sin(theta)*cos(psi)+j*cos(theta)*sin(psi)+k*cos(psi);
CRCy)AS,t
temp1(2)=floor(temp1(1)); ..
j)8$hK/e0.
j.6!T'$|
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离线
lizi
UID :14737
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1楼
发表于: 2008-07-14 16:35:58
从运行结果来看,不正确,不知道是不是这一步有问题?做过这样程序的一定指教一下小弟!
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离线
lizi
UID :14737
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2楼
发表于: 2008-07-15 13:16:09
自己顶一下!
c*axw%Us
书中的计算r'的公式是不是错了?其中中间的一项中cos(theta)是不是要改为sin(theta)?又知道的嘛?自己推算的时候感觉书上的错了,有不敢冒昧!望牛人指点!
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langren2007
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3楼
发表于: 2008-07-15 17:27:04
中间一项本来就是sin(theta)
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langren2007
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4楼
发表于: 2008-07-15 17:39:25
left_x(i,1,k)=(1-temp1(3))*ein(temp1(2))+temp1(3)*ein(temp1(4));
Kn?h
left_x(i,1,k)=left_x(i,1,k)*(-sin(psi)*sin(alpha)+cos(theta)*cos(psi)*cos(alpha));
|_s,]:
left_z(i,1,k)=-left_x(i,1,k)*sin(theta)*cos(alpha);
8{icY|:MTN
BlT)hG(M>
貌似这里也不对,left_x(i,1,k)好像在第二步的时候值已经改变了。不应该用这个迭代吧!
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wudawolf
rf币
+5
您的回复起提示作用+3~5
2008-07-15
离线
lizi
UID :14737
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5楼
发表于: 2008-07-15 22:09:02
谢了,今天一天确实找了很多毛病,不过你提的这个错误,还没发现呢!茅塞顿开了!不知该说啥了,谢谢您了!o(∩_∩)o...明天再调调试试!
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离线
lizi
UID :14737
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6楼
发表于: 2008-07-21 10:39:44
明天就回家了,再来顶顶!
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cem-uestc
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7楼
发表于: 2008-07-21 22:00:28
有空看看。
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欢迎光临
http://www.mwtee.com/home.php?mod=space&uid=13535
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sannxi
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8楼
发表于: 2008-08-06 01:05:36
我曾经推导过,我想看看你的程序吧
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lizi
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9楼
发表于: 2008-08-21 11:35:22
clear
JH*fxG
clc
BDLJDyf B
%***************************************
w!-MMT4y
%基本参数
uw(Ml=
%****************************************
QwL*A `@
cz=2.99792456e8;
-B #K}xL|x
murz=4.0*pi*1.0e-7;
Nw1Bn~yx<R
epsz=1.0/(cz*cz*murz);
yw{r:fy
freq0=1.15*1.0e10; %激发源的频率
>X*Y jv:r
omega0=2*pi*freq0; %入射波的角速度
TSVlZy~Xo
lambda=cz/freq0; %激发源中心波长
2Sk"S/4}Z
psi=45*pi/180; %入射波方向在xoy平面内与x轴的夹角
k]~$AaNq
theta=45*pi/180; %入射波方向与z轴夹角
5F#FC89Kk
alpha=45*pi/180; %入射波为线性极化,alpha为极化角
pl/ek0QX
incidentstart=1; %入射波开始位置
Z/d {v:)
incidentend=1000;
@mb' !r
source=20;
z<gII~%
t=2*pi/omega0; %入射波周期
stiYC#b I:
z=(murz/epsz)^0.5; %特征阻抗
wj5,_d)
%***********************************************
1fC)&4W
%格子参数
T8d=@8g,%
%***********************************************
/T+%q#4
ie=100;
`26.+>Z7
je=100;
JL>DRIR%NV
ke=100;
[I/ZzDMX
ib=ie-1; %x方向格子大小
x=kJlGT
jb=je-1; %y方向格子大小
`U&'71B^
kb=ke-1; %z方向格子大小
@!^Y_q
,aIkiT
iet=80; %x方向总场大小
Uyxn+j5
jet=80; %y方向总场大小
*X^C+F
ket=80; %z方向总场大小
_&S;*?K.
ibt=iet-1;
{ SDnVV
jbt=iet-1;
./^8L(
kbt=ket-1;
BqUwvB4
uh% J
iets=(ie-iet)/2+1; %x轴方向,总场的开始位置
>pe!T aBN
iete=ie-(ie-iet)/2; %x轴方向,总场的结束位置
0.2stBw
jets=(je-jet)/2+1; %y轴方向,总场的开始位置
AGKT* l.-
jete=je-(je-jet)/2; %y轴方向,总场的结束位置
.`(YCn?\
kets=(ke-ket)/2+1; %z轴方向,总场的开始位置
;aD?BD__Z
kete=ke-(ke-ket)/2; %z轴方向,总场的结束位置
\S&OAe/b
Zr =B8wuT
dx=lambda/100;
gtT&97tT<
dt=0.95*dx/(cz*2^0.5);
<{@ D^L6h
ca=1;
1(RRjT9
cb=dt/epsz;
_>;{+XRX[
cp=1;
/1$u|Gs *
cq=dt/murz;
i0*Cs#(=h
tmax=1000;
h<8c{RuoZC
%*******************************************
C](djkA$
%场的初始场强
;mC|>wSZ
%*******************************************
y]+[o1]-c
ex=zeros(ib,je,ke); %ex场
Mpco8b-b
ey=zeros(ie,jb,ke);
s_^N=3Si
ez=zeros(ie,je,kb);
{Ppb ;
hx=zeros(ie,jb,kb);
>[:qJ|i%
hy=zeros(ib,je,kb);
ei"c|/pO
hz=zeros(ib,jb,ke);
Q)lD2
ein=zeros((incidentend-incidentstart+1),1);
53d`+an2
hin=zeros((incidentend-incidentstart),1);
IiJ$Ng
temp=zeros(2,1); %处理一维的入射波
)>"pm{g2
temp1=zeros(4,1); %处理连接边界投影
'=xO?2U-Z
back_y=zeros(3,je,ke); %处理后表面的连接边界,其中1为电场2为磁场3临时时储存r’以下同
,X;$-.
back_z=zeros(2,je,ke);
_18Z]XtX
front_y=zeros(3,je,ke);
g"kET]KP"
front_z=zeros(2,je,ke);
|o*qZ}6
left_z=zeros(ie,2,ke);
lY2~{Y|4s
left_x=zeros(ie,3,ke);
2##mVEo.(
right_z=zeros(ie,2,ke);
_+H $Pa}?
right_x=zeros(ie,3,ke);
h7@%}<%
top_y=zeros(ie,je,2);
;C=V- r
top_x=zeros(ie,je,3);
m)?0;9bt
bottom_y=zeros(ie,je,2);
\(;u[
bottom_x=zeros(ie,je,3);
` N R,8F
:$gs7<z{rm
ynZEJKo
S)W?W}*R\
%***********************************************
_8-T?j**
% Movie initialization
ma!C:C9#J
%***********************************************
=sefT@<
tview(:,:)=ez(:,:,ke/2);
W]_a_5
sview(:,:)=ez(:,je/2,:);
_wX(OB
~)[pL(4
subplot(2,1,1),pcolor(tview');
.o,-a >jL
shading flat;
dLeos9M:
caxis([-1.0 1.0]);
m,J IId%O
colorbar;
R0F [
axis image;
Sw$/Z)1K&
title(['Ez(i,j,k=50),timestep=0']);
UEt78eN
xlabel('i coordinate');
D>o u,
ylabel('j coordinate');
;uv$>Fauk
AK%&Kq&PaY
subplot(2,1,2),pcolor(sview');
z`I%3U5(
shading flat;
g0 ;;+z
caxis([-1.0 1.0]);
5|>ms)[RQ
colorbar;
7/_|/4&
axis image;
QMmZvz\^
title(['Ez(i,j=50,k),timestep=0']);
uFhPNR2l
xlabel('i coordinate');
L/,gD.h^
ylabel('k coordinate');
#W l^!)#j?
E:+r.r"Y
rect=get(gcf,'Position');
9ZR"Lo>3e+
rect(1:2)=[0 0];
Qh6vH9(D
M=moviein(tmax/1,gcf,rect);
x]?V*Jz
%**********************************************
-3wid1SOm
% 开始时间的
qs= i+
%**********************************************
tFX<"cAvK
for n=1:tmax
"u&7Y:)^wr
%**********************************
x\yr~$}(J
% 产生入射波
<P&X0S`O
%**********************************
iTs"RW
hin(incidentstart:incidentend-1)=hin(incidentstart:incidentend-1)-...
w5rtYTI
(ein(incidentstart+1:incidentend)-ein(incidentstart:incidentend-1))*dt/murz/dx;
^,?>6O
ein(incidentstart+1:incidentend-1)=ein(incidentstart+1:incidentend-1)-...
.sOZ "=tW
(hin(incidentstart+1:incidentend-1)-hin(incidentstart:incidentend-2))*dt/epsz/dx;
&5sPw^{,H
ein(source,1)=1*sin(omega0*n*dt);
SG&H^V8
ein(incidentstart)=temp(1)+(ein(incidentstart+1)-ein(incidentstart))*(cz*dt-dx)/(cz*dt+dx);
G`&P|xYg
temp(1)=ein(incidentstart+1);
p_e x
ein(incidentend)=temp(2)+(ein(incidentend-1)-ein(incidentend))*(cz*dt-dx)/(cz*dt+dx);
VS>hi~j
temp(2)=ein(incidentend-1);
{f*{dSm9b
%**********************************
HZS.%+2
% 将连接边界投影到一维的入射波上
qu]a+cYY
%**********************************
U3v~R4
for i=1:ie
&B=z*m
for k=1:ke
CdcBE.%<
temp1(1)=i*sin(theta)*cos(psi)+jets*sin(theta)*sin(psi)+k*cos(theta);
nD)SR
temp1(2)=floor(temp1(1)); %左表面入射 电场
Zy{hYHQ
temp1(3)=temp1(1)-temp1(2);
rg#/kd<?[V
temp1(4)=temp1(2)+1;
yd'cLZd<}
left_x(i,3,k)=(1-temp1(3))*ein(temp1(2))+temp1(3)*ein(temp1(4));
5p:2gsk
left_x(i,1,k)=left_x(i,3,k)*(-sin(psi)*sin(alpha)+cos(theta)*cos(psi)*cos(alpha));
B<h4ZK%
left_z(i,1,k)=-left_x(i,3,k)*sin(theta)*cos(alpha);
rM6S%rS
{{[@ X
temp1(1)=i*sin(theta)*cos(psi)+jete*sin(theta)*sin(psi)+k*cos(theta);
45iO2W uur
temp1(2)=floor(temp1(1)); %右边面入射 电场
,I+O;B:0
temp1(3)=temp1(1)-temp1(2);
aHI~@
temp1(4)=temp1(2)+1;
3,{;wJ Z
right_x(i,3,k)=(1-temp1(3))*ein(temp1(2))+temp1(3)*ein(temp1(4));
30(e6T;
right_x(i,1,k)=right_x(i,3,k)*(-sin(psi)*sin(alpha)+cos(theta)*cos(psi)*cos(alpha));
!U(KQ:j
right_z(i,1,k)=-right_x(i,3,k)*sin(theta)*cos(alpha);
7lJ8<EP9 u
end
D+oV( Pw,
end
b j<T`M!
-;RAW1]}Y$
for i=1:ie
S$R=!3* "V
for j=1:je
PJe\PGh
temp1(1)=i*sin(theta)*cos(psi)+j*sin(theta)*sin(psi)+kets*cos(theta);
fIatp
temp1(2)=floor(temp1(1)); %下边面入射 电场
1DL+=-
temp1(3)=temp1(1)-temp1(2);
hp}rCy|01
temp1(4)=temp1(2)+1;
K;s`
bottom_x(i,j,3)=(1-temp1(3))*ein(temp1(2))+temp1(3)*ein(temp1(4));
'd;aAG
bottom_x(i,j,1)=bottom_x(i,j,3)*(-sin(psi)*sin(alpha)+cos(theta)*cos(psi)*cos(alpha));
z&um9rXR
bottom_y(i,j,1)=bottom_x(i,j,3)*(cos(psi)*sin(alpha)+cos(theta)*sin(psi)*cos(alpha));
a8%T*mk(
6& hiW]Adm
temp1(1)=i*sin(theta)*cos(psi)+j*sin(theta)*sin(psi)+kete*cos(theta);
&9.3-E47*
temp1(2)=floor(temp1(1)); %上边面入射 电场
E5c)\ D
temp1(3)=temp1(1)-temp1(2);
5H 1x-b
temp1(4)=temp1(2)+1;
@T.F/Pjhc
top_x(i,j,3)=(1-temp1(3))*ein(temp1(2))+temp1(3)*ein(temp1(4));
h"}F3E
top_x(i,j,1)=top_x(i,j,3)*(-sin(psi)*sin(alpha)+cos(theta)*cos(psi)*cos(alpha));
~)X;z"y%b
top_y(i,j,1)=top_x(i,j,3)*(cos(psi)*sin(alpha)+cos(theta)*sin(psi)*cos(alpha));
#^ .G^d(=
end
`ZP[-: `
end
]^{5`
#.Ly
for j=1:je
VeQ [A?pER
for k=1:ke
a{%EHL,F
temp1(1)=iets*sin(theta)*cos(psi)+j*sin(theta)*sin(psi)+k*cos(theta);
(5[#?_~
temp1(2)=floor(temp1(1)); %后边面入射 电场
qEdY]t
temp1(3)=temp1(1)-temp1(2);
YY'[PXP$Y
temp1(4)=temp1(2)+1;
>SYOtzg%
back_y(3,j,k)=(1-temp1(3))*ein(temp1(2))+temp1(3)*ein(temp1(4));
YhAO
back_y(1,j,k)=back_y(3,j,k)*(cos(psi)*sin(alpha)+cos(theta)*sin(psi)*cos(alpha));
5"q{b1
back_z(1,j,k)=-back_y(3,j,k)*sin(theta)*cos(alpha);
^r]-v++
6Q+VW_~
temp1(1)=iete*sin(theta)*cos(psi)+j*sin(theta)*sin(psi)+k*cos(theta);
Qt^6w}&
temp1(2)=floor(temp1(1)); %前边面入射 电场
P/]8+_K
temp1(3)=temp1(1)-temp1(2);
]#q$i[Y
temp1(4)=temp1(2)+1;
T:CWxusL
front_y(3,j,k)=(1-temp1(3))*ein(temp1(2))+temp1(3)*ein(temp1(4));
gB,Q4acjj
front_y(1,j,k)=front_y(3,j,k)*(cos(psi)*sin(alpha)+cos(theta)*sin(psi)*cos(alpha));
!4t%\N6Ib
front_z(1,j,k)=-front_y(3,j,k)*sin(theta)*cos(alpha);
r.:f.AY{
end
,p\*cHB9
end
0&r}'f?
,c;#~y
for i=1:ie
@e7_&EGR?
for k=1:ke
F%{z EANm
temp1(1)=i*sin(theta)*cos(psi)+(jets-1)*sin(theta)*sin(psi)+k*cos(theta);
AO5a
temp1(2)=floor(temp1(1)); %左表面入射 磁场
&;GoCU Le
temp1(3)=temp1(1)-temp1(2);
WFS6N.Ap
temp1(4)=temp1(2)+1;
_nw\ac#*
left_x(i,3,k)=(1-temp1(3))*hin(temp1(2))+temp1(3)*hin(temp1(4));
B8upv~U6
left_x(i,2,k)=left_x(i,3,k)*(-sin(psi)*cos(alpha)-cos(theta)*cos(psi)*sin(alpha)); %hx j0-1
$Df1t
left_z(i,2,k)=left_x(i,3,k)*sin(theta)*sin(alpha); %hz j0-1
2Y=Q%
#}Ays#wA>?
temp1(1)=i*sin(theta)*cos(psi)+(jete+1)*sin(theta)*sin(psi)+k*cos(theta);
=umF C[.W
temp1(2)=floor(temp1(1)); %右边面入射 磁场
mcQ\"9 ;pY
temp1(3)=temp1(1)-temp1(2);
o+R(ux"
temp1(4)=temp1(2)+1;
A?)(^
right_x(i,3,k)=(1-temp1(3))*hin(temp1(2))+temp1(3)*hin(temp1(4));
Q-U,1b
right_x(i,2,k)=right_x(i,3,k)*(-sin(psi)*cos(alpha)-cos(theta)*cos(psi)*sin(alpha)); %hx jb+1
}2Im?Q
right_z(i,2,k)=right_x(i,3,k)*sin(theta)*sin(alpha); %hz jb+1
pBQ[lPCY/
end
G~Y#l@8M+
end
+,D82V7S
=aehhs>
for i=1:ie
Ag1nxV1M$
for j=1:je
$.B}zY{
temp1(1)=i*sin(theta)*cos(psi)+j*sin(theta)*sin(psi)+(kets-1)*cos(theta);
kll,^A
temp1(2)=floor(temp1(1)); %下边面入射 磁场
: R8+jO
temp1(3)=temp1(1)-temp1(2);
6skd>v UU
temp1(4)=temp1(2)+1;
bs?4|#[K
bottom_x(i,j,3)=(1-temp1(3))*hin(temp1(2))+temp1(3)*hin(temp1(4));
7FP"]\x
bottom_x(i,j,2)=bottom_x(i,j,3)*(-sin(psi)*cos(alpha)-cos(theta)*cos(psi)*sin(alpha)); %hx k0-1
otP2qAI
bottom_y(i,j,2)=bottom_x(i,j,3)*(cos(psi)*cos(alpha)-cos(theta)*sin(psi)*sin(alpha)); %hy k0-1
)*o) iN 7l
_tO2PIL@Z
temp1(1)=i*sin(theta)*cos(psi)+j*sin(theta)*sin(psi)+(kete+1)*cos(theta);
x}reeqn
temp1(2)=floor(temp1(1)); %上边面入射 磁场
[FWB
temp1(3)=temp1(1)-temp1(2);
sn@)L ~$V
temp1(4)=temp1(2)+1;
=)]RD%Oq
top_x(i,j,3)=(1-temp1(3))*hin(temp1(2))+temp1(3)*hin(temp1(4));
xrJ0
top_x(i,j,2)=top_x(i,j,3)*(-sin(psi)*cos(alpha)-cos(theta)*cos(psi)*sin(alpha)); %hx kc+1
Z@Qf0 c
top_y(i,j,2)=top_x(i,j,3)*(cos(psi)*cos(alpha)-cos(theta)*sin(psi)*sin(alpha)); %hy kc+1
rj5)b:c}
end
#KtV 4)(
end
PKs$Q=Ol<|
dsbz\w3:
for j=1:je
0upZ4eN
for k=1:ke
;:Kc{B.s
temp1(1)=(iets-1)*sin(theta)*cos(psi)+j*sin(theta)*sin(psi)+k*cos(theta);
>v%UV:7ap
temp1(2)=floor(temp1(1)); %后边面入射 磁场
uuCVI2|
temp1(3)=temp1(1)-temp1(2);
)9!ZkZbv_m
temp1(4)=temp1(2)+1;
v\kd78,
back_y(3,j,k)=(1-temp1(3))*hin(temp1(2))+temp1(3)*hin(temp1(4));
z_z'3d.r7
back_y(2,j,k)=back_y(3,j,k)*(cos(psi)*cos(alpha)-cos(theta)*sin(psi)*sin(alpha)); %hy i0-1
i\MW'b
back_z(2,j,k)=back_y(3,j,k)*sin(theta)*sin(alpha); %hz i0-1
b1ZHfe:
2Ju,P_<dt
temp1(1)=(iete+1)*sin(theta)*cos(psi)+j*sin(theta)*sin(psi)+k*cos(theta);
D[Ld=e8t
temp1(2)=floor(temp1(1)); %前边面入射 磁场
_&xkj8O
temp1(3)=temp1(1)-temp1(2);
fK=vLcH
temp1(4)=temp1(2)+1;
{Z[kvXf"mZ
front_y(3,j,k)=(1-temp1(3))*hin(temp1(2))+temp1(3)*hin(temp1(4));
8}^ym^H|j
front_y(2,j,k)=front_y(3,j,k)*(cos(psi)*cos(alpha)-cos(theta)*sin(psi)*sin(alpha)); %hy ia+1
$ g#d1u0q
front_z(2,j,k)=front_y(3,j,k)*sin(theta)*sin(alpha); %hz ia+1
&0-Pl.M
end
rO1.8KKJ
end
ayA_[{j%X
%***************************************************
r1$x}I#Zv
% 更新电场 (个别地方吸收边界无需特殊考虑,所以在设置吸收边界时,循环范围还需调整)
:/NP8$~@j
%***************************************************
#-d-zV*
ex(1:ib,2:je-1,2:ke-1)=ca*ex(1:ib,2:je-1,2:ke-1)+cb*(hz(1:ib,2:je-1,2:ke-1)-hz(1:ib,1:je-2,2:ke-1)-...
vF@.BM>
hy(1:ib,2:je-1,2:ke-1)+hy(1:ib,2:je-1,1:ke-2))/dx;
a6op
ey(2:ie-1,1:jb,2:ke-1)=ca*ey(2:ie-1,1:jb,2:ke-1)+cb*(hx(2:ie-1,1:jb,2:ke-1)-hx(2:ie-1,1:jb,1:ke-2)-...
r8L'C
hz(2:ie-1,1:jb,2:ke-1)+hz(1:ie-2,1:jb,2:ke-1))/dx;
ZJ_P=
ez(2:ie-1,2:je-1,1:kb)=ca*ez(2:ie-1,2:je-1,1:kb)+cb*(hy(2:ie-1,2:je-1,1:kb)-hx(1:ie-2,2:je-1,1:kb)-...
`"bp-/
hx(2:ie-1,2:je-1,1:kb)+hx(2:ie-1,1:je-2,1:kb))/dx;
a+\s 0Qo<
%***************************************************
a\I`:RO=<Z
% 电场连接边界条件 边界面
R"PO@v
%***************************************************
@jD19=
for j=jets-1:jete-1
;Y(~'KF
for k=kets-1:kete-1
lx~mn~;x
ey(iets,j,k)=ey(iets,j,k)+back_z(2,j,k)*dt/epsz/dx;
+T7FG_
ez(iets,j,k)=ez(iets,j,k)-back_y(2,j,k)*dt/epsz/dx;
6r,zOs-I]
ey(iete,j,k)=ey(iete,j,k)-front_z(2,j,k)*dt/epsz/dx;
,k/<Nv;
ez(iete,j,k)=ez(iete,j,k)+front_y(2,j,k)*dt/epsz/dx;
6K9-n}z
end
@;d7#!:cE
end
.MRLAG
for i=iets-1:iete-1
@{8805Dp
for k=kets-1:kete-1
h3A|nd>\
ez(i,jets,k)=ez(i,jets,k)+left_x(i,2,k)*dt/epsz/dx;
}HZ'i;~r|9
ex(i,jets,k)=ex(i,jets,k)-left_z(i,2,k)*dt/epsz/dx;
;nf}O87~
ez(i,jete,k)=ez(i,jete,k)-right_x(i,2,k)*dt/epsz/dx;
[dXRord
ex(i,jete,k)=ex(i,jete,k)+right_z(i,2,k)*dt/epsz/dx;
u\UI6/
end
' }NH$ KA
end
6IM:Xj
for j=jets-1:jete-1
WJ]g7!Ks
for k=kets-1:kete-1
9, 792b
ex(i,j,kets)=ex(i,j,kets)+bottom_y(i,j,2)*dt/epsz/dx;
(8j@+J
ey(i,j,kets)=ey(i,j,kets)-bottom_x(i,j,2)*dt/epsz/dx;
Wy$Q!R=i
ex(i,j,kete)=ex(i,j,kete)-top_y(i,j,2)*dt/epsz/dx;
niM(0p
ey(i,j,kete)=ey(i,j,kete)+top_x(i,j,2)*dt/epsz/dx;
R~BW=Dz,e
end
<NM Os"NB
end
hzX&BI
%***************************************************
nL!nzA
% 电场连接边界条件 棱边
Xc]Q_70O
%***************************************************
`3F/7$q_
ex(iets:iete,jets,kets)=ex(iets:iete,jets,kets)-left_z(iets:iete,2,kets)*dt/epsz/dx+...
gr$H?|n l
bottom_y(iets:iete,jets,2)*dt/epsz/dx;
1) G6
ex(iets:iete,jete,kets)=ex(iets:iete,jete,kets)+right_z(iets:iete,2,kets)*dt/epsz/dx+...
_]=, U.a=/
bottom_y(iets:iete,jete,2)*dt/epsz/dx;
=TXc- J
ex(iets:iete,jete,kete)=ex(iets:iete,jete,kete)+right_z(iets:iete,2,kete)*dt/epsz/dx-...
lnnt b3q
top_y(iets:iete,jete,2)*dt/epsz/dx;
gH/k}M7tA#
ex(iets:iete,jets,kete)=ex(iets:iete,jets,kete)-left_z(iets:iete,2,kete)*dt/epsz/dx-...
DzCb'#
top_y(iets:iete,jets,2)*dt/epsz/dx;
Ga^k1TQq
eYRm:KC
ey(iets,jets:jete,kets)=ey(iets,jets:jete,kets)-bottom_x(iets,jets:jete,2)*dt/epsz/dx+...
7kidPAhY
back_z(2,jets:jete,kets)*dt/epsz/dx;
R )e^H
ey(iets,jets:jete,kete)=ey(iets,jets:jete,kete)+top_x(iets,jets:jete,2)*dt/epsz/dx+...
i{ /nHrN
back_z(2,jets:jete,kete)*dt/epsz/dx;
H\e<fi%Q
ey(iete,jets:jete,kete)=ey(iete,jets:jete,kete)+top_x(iete,jets:jete,2)*dt/epsz/dx-...
/ec~^S8X
front_z(2,jets:jete,kete)*dt/epsz/dx;
ia/_61%
ey(iete,jets:jete,kets)=ey(iete,jets:jete,kets)-bottom_x(iete,jets:jete,2)*dt/epsz/dx-...
Q|cA8Fn
front_z(2,jets:jete,kets)*dt/epsz/dx;
p&;,$KDA
BRMR> ~k(
ez(iets,jets,kets:kete)=ez(iets,jets,kets:kete)-back_y(2,jets,kets:kete)*dt/epsz/dx+...
*r]#jY4qx
left_x(iets,2,kets:kete)*dt/epsz/dx;
u\G\KASUK%
ez(iete,jets,kets:kete)=ez(iete,jets,kets:kete)+front_y(2,jets,kets:kete)*dt/epsz/dx+...
-3:x(^|:K
left_x(iete,2,kets:kete)*dt/epsz/dx;
%AuS8'Uf
ez(iete,jete,kets:kete)=ez(iete,jete,kets:kete)+front_y(2,jete,kets:kete)*dt/epsz/dx-...
93#wU})
right_x(iete,2,kets:kete)*dt/epsz/dx;
OKzk\F6
ez(iets,jete,kets:kete)=ez(iets,jete,kets:kete)-back_y(2,jete,kets:kete)*dt/epsz/dx-...
+UP?M4g
right_x(iets,2,kets:kete)*dt/epsz/dx;
GEi^3UD
%****************************************************
x68s$H
% 电场吸收边界 边界面
V?cUQghHg
%****************************************************
}L*cP;m#
6@ )bZ|
Cqk6I gw
\(ZOt.3!J
%****************************************************
SYTzJK@vZJ
% 电场吸收边界 棱边
DnPV Tp(>
%****************************************************
.](s\6'
P(Hh%9'(
K?+Rq
@;z}Hk0A
%***************************************************
h9J
% 更新磁场 (个别地方吸收边界无需特殊考虑,所以在设置吸收边界时,循环范围还需调整)
1YMu\(
%***************************************************
\Tj(]
hx(2:ie-1,1:jb,1:kb)=cp*hx(2:ie-1,1:jb,1:kb)-cq*(ez(2:ie-1,2:jb+1,1:kb)-ez(2:ie-1,1:jb,1:kb)-...
Z@`HFZJ
ey(2:ie-1,1:jb,2:kb+1)+ey(2:ie-1,1:jb,1:kb))/dx;
Yt;.Z$i ,
hy(1:jb,2:je-1,1:kb)=cp*hy(1:jb,2:je-1,1:kb)-cq*(ex(1:jb,2:je-1,2:kb+1)-ex(1:jb,2:je-1,1:kb)-...
Ok~\
ez(2:jb+1,2:je-1,1:kb)+ez(1:jb,2:je-1,1:kb))/dx;
J&6]3x
hz(1:ib,1:jb,2:ke-1)=cp*hz(1:ib,1:jb,2:ke-1)-cq*(ey(2:ib+1,1:jb,2:ke-1)-ey(1:ib,1:jb,2:ke-1)-...
Z?-l-sK
ex(1:ib,2:jb+1,2:ke-1)+ex(1:ib,1:jb,2:ke-1))/dx;
V]9?9-r
%***************************************************
}' t*BaU
% 磁场连接边界条件 边界面
Bhrp"l +|
%***************************************************
?2b9N ~
for j=jets:jete
[HENk34
for k=kets:kete
I*K~GXWs#
hy(iets,j,k)=hy(iets,j,k)-back_z(1,j,k)*dt/murz/dx;
ffYiu4$m
hz(iets,j,k)=hz(iets,j,k)+back_y(1,j,k)*dt/murz/dx;
u5FlT3hY.
hy(iete,j,k)=hy(iete,j,k)+front_z(1,j,k)*dt/murz/dx;
e: :H1V
hz(iete,j,k)=hz(iete,j,k)-front_y(1,j,k)*dt/murz/dx;
)Hy|K1
end
VN8ao0^d;d
end
=>6'{32W_
for i=iets:iete
RA+k/2]y!
for k=kets:kete
"2bCq]I0
hz(i,jets,k)=hz(i,jets,k)-left_x(i,1,k)*dt/murz/dx;
C zvi':
hx(i,jets,k)=hx(i,jets,k)+left_z(i,1,k)*dt/murz/dx;
1cdM^k
hz(i,jete,k)=hz(i,jete,k)+right_x(i,1,k)*dt/murz/dx;
_sCpyu
hx(i,jete,k)=hx(i,jete,k)-right_z(i,1,k)*dt/murz/dx;
Wc$1Re{z
end
W;C41>^?/
end
r yO\$m
for i=iets:iete
Oj0/[(D-
for j=jets:jete
R#Bdfmldq
hx(i,j,kets)=hx(i,j,kets)-bottom_y(i,j,1)*dt/murz/dx;
W7"ks(
hy(i,j,kets)=hy(i,j,kets)+bottom_x(i,j,1)*dt/murz/dx;
[e'Ts#($A
hx(i,j,kete)=hx(i,j,kete)+top_y(i,j,1)*dt/murz/dx;
Io&F0~Z;;(
hy(i,j,kete)=hy(i,j,kete)-top_x(i,j,1)*dt/murz/dx;
u|D_"q~+6
end
jM3{A;U2
end
~(`iR xK
%****************************************************
fhmqO0
% 磁场吸收边界 边界面
/P0%4aWu=
%****************************************************
DP9hvu/85
Tce2]"^;
OsR4oT
y(8AxsROp
SpY%2Y.Dy
Pw'3ya8
%****************************************************
O(PG"c
% Visualize fields
o3l_&?^
%****************************************************
y85/qg)H^
if mod(n,10)==0;
PGHl:4`Es!
timestep=int2str(n);
7=8e|$K_
tview(:,:)=ez(:,:,ke/2);
&a p{|>3
sview(:,:)=ez(:,je/2,:);
$9\!CPZ2
x*[\$E`v
subplot(2,1,1),pcolor(tview');
puz~Rfn#*
shading flat;
~$i36"
caxis([-1.0 1.0]);
70:a2m
colorbar;
BUcze\+
axis image;
FXOA1VEg
title(['Ez(i,j,k=50),timestep=',timestep]);
sD*8:Hl
xlabel('i coordinate');
amIG9:-1'
ylabel('j coordinate');
eVDI7W:(Sn
@DrMaTr
subplot(2,1,2),pcolor(sview');
Khxl'qj
shading flat;
Hay`lA2@
caxis([-1.0 1.0]);
T?c:z?j_9
colorbar;
yA!#>u%g
axis image;
Pz1pEyuL
title(['Ez(i,j=50,k),timestep=',timestep]);
DEL#MD!
xlabel('i coordinate');
Uok?FEN
ylabel('k coordinate');
>T4.mB7+>
^60BQ{ne
nn=n/10;
u%S&EuX
M(:,nn)=getframe(gcf,rect);
n||/3-HDj
end
M: qeqn+
end
8hi|F\$_h
movie(gcf,M,0,10,rect);
共
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