工程电磁场数值分析试题
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4.5.A. D = W Q E磁场能量密度等于()C.D = aE6.A. E Z)B. B HC.电场能量密度等于()X. E D B. B H C.7.C.原电荷和感应电荷D.不确定A.正比B.反比10.矢量磁位的旋度是(A)A.磁感应强度B.电位移矢量11.静电场能量We等于()A. [ E DdVB.丄[E HdVJv 2」"12.恒定磁场能量Wm等于()C・平方正比D・平方反比c.磁场强度D.电场强度1 f rC. -\ D EdVD.[E HdV2 Ju JvC. -[ E DdV? Jv D.f E HdVJvAJv;(B)V Vw = 0;15.下列表达式成立的是()A、jv A dS; B> V Vw = 0;(C) V(Vx,4) =0;C、V (Vxw) =o;(D)Vx(Vw) = 0D、Vx(V w) = 0一、单项选择题1.静电场是()A.无散场B.有旋场C.无旋场D.既是有散场又是有旋场2.导体在静电平衡下,其内部电场强度()A.为零B.为常数C.不为零D.不确定3.磁感应强度与磁场强度之间的一般关系为()A.H = “BB. H =C. B = pH电位移矢量与电场强度之间的一般关系为()镜像法中的镜像电荷是()的等效电荷。
A.感应电荷B.原电荷8.在使用镜像法解静电边值问题时,镜像电荷必须位于()A.待求场域内B.待求场域外C.边界面上D.任意位置9.两个点电荷之间的作用力大小与两个点电荷之间距离成()关系。
13.关于在一定区域内的电磁场,下列说法中正确的是()(A)由其散度和旋度唯一地确定;(B)由其散度和边界条件唯一地确定;(C)由其旋度和边界条件唯一地确定;(D)由其散度、旋度和边界条件唯一地确定。
14.下列表达式不可能成立的是()(B )电介质中极化电荷v 运动 (A) 8Ax dAy dAz dx dy dz(B)匹廿竺—些& dx x dy y dz 2 5A dA dA ——e + ——e H -- e .(C )'y '20.导电媒质的复介电常数乞为()。
《电磁场数值分析》(期末作业)--- 2019学年 ---学院:学号:姓名:联系方式:任课教师:2019年5月作业1模拟真空中二维TM 电磁波的传播,边界设置为一阶Mur 吸收边界,观察电磁波的传播过程。
波源为正弦函数:sin()sin(2)25z t cE t n t ωπ==∆代码: clc clear close allxmesh =150; ymesh =150;mu0=4*pi*1.0E-7; eps0=8.85E-12;C= 3.0E8; dx=1.0; dt=0.7*dx/C; timestep=150; ez( 1:xmesh+1,1:ymesh+1 ) = 0.0; hx( 1:xmesh+1,1:ymesh ) = 0.0; hy( 1:xmesh,1:ymesh+1 ) = 0.0;coef1 = dt/( mu0 * dx ); coef2 =dt/( eps0 * dx );coef3=(C*dt-dx)/(C*dt+dx); ez1=ez;for now = 1 : timestephx = hx - coef1 * ( ez( :, 2 : ymesh+1 ) - ez( :, 1 : ymesh ) ); hy = hy + coef1 * ( ez(2 : xmesh+1, : ) - ez(1 : xmesh, : )); ez( 2 : xmesh , 2 : ymesh ) = ez( 2 : xmesh , 2 : ymesh ) - ... coef2 * ( hx( 2 : xmesh, 2 : ymesh ) - hx( 2 : xmesh , 1 :ymesh - 1) ) + ...coef2 * ( hy( 2 : xmesh ,2 : ymesh ) - hy( 1 : xmesh - 1,2 : ymesh) );ez(1,:)=ez1(2,:)+coef3*(ez(2,:)-ez1(1,:));ez(xmesh+1,:)=ez1(xmesh,:)+coef3*(ez(xmesh,:)-ez1(xmesh+1 ,:));ez(:,1)=ez1(:,2)+coef3*(ez(:,2)-ez1(:,1));ez(:,ymesh+1)=ez1(:,ymesh)+coef3*(ez(:,ymesh)-ez1(:,ymesh +1));ez( xmesh/2+1, ymesh/2+1) = sin( now * dt * 2 * pi * C / 25.0 ); mesh(ez);pause(0.05)ez1=ez;end结果与分析:第10时间步第100时间步第150时间步作业2基于Pocklington方程用MoM分析半波对称振子天线:观察天线线径和分段数目分别取不同值对天线阻抗和辐射特性的影响(半径分别取0.001λ,0.0001λ,0.00001λ,分段数取11,21,31,可列表说明)代码:clear all; close all; clc;% 初始化参数c=3e8; % 光速r=1 % 波长f=c/r; % 频率w=2*pi*f; % 角频率e0=8.85e-12; % 介电常数u0=4*pi*1e-7; % 磁导率a=0.00001*r; % 半径L=0.5*r; % 振子长度k=2*pi/r; % 波数N=11; % 分段数(奇数段)dl=L/(N+1); % 每段长度(分母中+1 为两头半段之和)l=L/2-dl/2; % 两头空出半段,满足电流为0的边界条件lz=-l:dl:l;lzs=lz(1:N); % 每一小段的起点坐标lzm=lz(1:N)+dl/2; % 每一小段的中点坐标lze=lz(2:N+1); % 每一小段的终点坐标%阻抗矩阵元素求解fi=log(dl/a)/(2*pi*dl)-k/(4*pi)*1i;fi_1=exp(-k*dl*1i)/(4*pi*dl);fi_2=exp(-k*2*dl*1i)/(8*pi*dl);z=ones(N,N);for m=1:Nfor n=1:Nif m==nfi1=fi;fi2=fi_1;fi3=fi_1;z(m,n)=((k^2*dl^2-2)*fi1+fi2+fi3);elseif abs(m-n)==1fi1=fi_1;fi2=fi;fi3=fi_2;z(m,n)=((k^2*dl^2-2)*fi1+fi2+fi3);elsefi1=exp(-k*abs(m-n)*dl*1i)/(4*pi*abs(m-n)*dl);fi2=exp(-k*abs(m+1-n)*dl*1i)/(4*pi*abs(m+1-n)*dl); fi3=exp(-k*abs(n+1-m)*dl*1i)/(4*pi*abs(n+1-m)*dl); z(m,n)=((k^2*dl^2-2)*fi1+fi2+fi3);endendend%电压矩阵求解V=zeros(N,1);V((N+1)/2)=-1*(1i*w*e0);% 计算电流系数矩阵I=z\V;% 计算输入阻抗Z_in=1/I((N+1)/2);disp(['输入阻抗 = ',num2str(Z_in)]);% 计算振子上归一化电流分布I_amp=abs(I); Max=max(I_amp);Iunit2=[0;I_amp/Max(1);0]; % 两端零电流figure(1);h=0:dl/r:L/r;Ithe=sin(pi*h*r/L); % 半波振子电流解析值plot(h,Iunit2,'b',h,Ithe,'r','linewidth',2);legend('pocklinton','解析值');grid on;xlabel('电长度L/\lambda');ylabel('归一化电流');% 画方向图theta=0:0.01:2*pi;abs_f=zeros(1,length(theta));for n=1:1:Nabs_f=abs_f+I(n)*exp(k*(n*dl-L/2)*cos(theta)*1i);endabs_f=abs(sin(theta)*dl.*abs_f);Max_f=abs(sum(I)*dl);Far_patten2=abs_f/Max_f(1);theta_2=0:0.1:2*pi;Far_theory=abs((cos(k*(L/2)*cos(theta_2))-cos(k*L/2))./si n(theta_2));figure(2);polar(theta,Far_patten2,'-b');hold on;polar(theta_2,Far_theory,'or');hold off;legend('pocklinton','解析值');title('半波振子天线E面方向图');figure(3);polar(theta,ones(1,length(theta)),'-b');title('半波振子天线H面方向图');% 半波振子增益I_in=I((N+1)/2);A=(w*u0)^2/(4*pi*sqrt(u0/e0)*real(Z_in)*(abs(I_in))^2); G_theta=A*abs_f.^2;Max_gain=max(G_theta)Max_gain_dB=10*log10(Max_gain);disp(['半波振子增益 = ',sprintf('%.4fdBi', Max_gain_dB)]); 结果与分析:作业3基于电场积分方程用MoM分析对称振子天线:计算振子总长度分别为0.25λ ,0.5λ,λ,1.5λ时,振子的输入阻抗和E面方向图。
⼯程电磁场试卷⼩测验附答案⼀、填空题(30分,3分/空)1. XOY平⾯是两种电介质的分界⾯,分界⾯上⽅电位移⽮量为C/m2,相对介电常数为2,分界⾯下⽅相对介电常数为5,则分界⾯下⽅z⽅向电场强度为__________,分界⾯下⽅z⽅向的电位移⽮量为_______________。
2. 静电场中电场强度,则电位沿的⽅向导数为_________________,点A(1,2,3)和B(2,2,3)之间的电位差__________________。
3. 两个电容器和各充以电荷和,且两电容器电压不相等,移去电源后将两电容器并联,总的电容器储存能量为,并联前后能量是否变化。
4. ⼀⽆限长矩形接地导体槽,在导体槽中⼼位置有⼀电位为U的⽆限长圆柱导体,如图1所⽰。
由于对称性,矩形槽与圆柱导体所围区域内电场分布的计算可归结为图中边界、、、和所围区域内的电场计算。
则在边界_____________上满⾜第⼀类边界条件,在边界_____________上满⾜第⼆类边界条件。
图15. 导体球壳内半径为a,外半径为b,球壳外距球⼼d处有⼀点电荷q,若导体球壳接地,则球壳内表⾯的感应电荷总量为____________,球壳外表⾯的感应电荷总量为____________。
⼆、计算题1. 如图2所⽰,内、外两个半径分别为a、b的同⼼球⾯电极组成的电容器,极板间绝缘介质的介电常数为ε,内、外电极上的电荷分别为±Q,试求:(1)绝缘介质中的电场强度;(5分)(2)电容器储存的静电场能量;(5分)(3)内电极单位⾯积受到的膨胀⼒和外电极单位⾯积受到的收缩⼒。
(10分)2. 如图3所⽰,真空中⼀点电荷q置于⾦属球壳内,距球⼼距离为b,球壳半径为a,球壳电位为U0,写出球内任⼀点的电位表达式。
(10分)图2 图33. 如图4所⽰平板电容器,内含两层介质,介质的介电常数和电导率分别为、和、,极板⾯积为S,介质的厚度均为。
在电容器上施加电压,忽略极板的边缘效应。
工程电磁场工程电磁场试卷(练习题库)1、场2、力线3、通量4、环量5、旋度6、高斯散度定理7、斯托克斯定理8、亥姆霍兹定理9、电流元10、电偶极子11、电位移矢量12、电位函数13、电解质的极化14、极化强度15、静电力16、自感17、镜像法18、坡印廷矢量19、平面电磁波20、均匀平面电磁波21、相位常数22、偏振23、相速24、群速25、色散煤质26、关于有限区域内的矢量场的亥姆霍兹定理,下列说法中正确的是O27、两个载流线圈之间存在互感,对互感没有影响的是O28、以下关于时变电磁场的叙述中,正确的是O29、两个相互平行的导体平板构成一个电容器,与电容无关的是O30、用镜像法求解静电场边值问题时,判断镜像电荷设置是否正确的依据是O31、电磁波的右旋极化和左旋极化分别指电场强度矢量的旋转方向和波的传播方向间满足右手螺旋关系和左手螺旋关系32、一封闭曲面的电场强度通量为零,则在封闭面上的场强一定处处为零。
33、电磁波在界面处的反射系数指反射电磁波的电场强度振幅与入射区域内的总电场强度振幅之比。
34、电磁场矢量的本构关系反映了不同电磁特性的介质对电磁场有着不同的影响。
35、引入电磁场的复数表示,是为了在电磁场的分析过程中简化数学处理, 它并不反映任何实质性的物理考虑。
36、电荷在静电场中沿闭合路线移动一周时,电场力作功一定为零。
则电流元在磁场中沿闭合路线移动一周时,磁场力37、一小电流回路,不论是在产生磁场方面,还是在磁场中受力方面都等效于一个磁偶极子。
38、如果天线上的电流幅值一定,则天线的辐射电阻越大,它的辐射功率就越小。
39、某电磁场是感应电磁场还是辐射电磁场,判断的标准是看其平均能流密度是否为零。
40、静止电荷产生的电场,称之为O场。
它的特点是有散无旋场,不随时间变化。
41、高斯定律说明静电场是一个O场。
42、安培环路定律说明磁场是一个O场。
43、电流密度是一个矢量,它的方向与导体中某点的O的运动方向相同。
<<工程电磁场?课程测试试卷〔A卷〕注意:1 ,本试卷共2页2.测试时间:120分钟;3.姓名.学号,网选班级.网选序号必须写在指定的地方一.填空题〔每题3分,共30分〕1.在正方形的四个顶点上,各放一电量相等的同电性点电荷q,那么几何中央处的电场强度为〔〕o2不导电的自由空间电荷运动形成的电流为〔〕电流.3,磁化强度M的定义是单位体积内〔〕的矢量和.4,均匀平面电磁波在介电常数为£ ,磁导率为H的理想介质中传播, 其传播速度为〔〕o5.材料能够平安承受的最大电场强度称为〔〕.6,时变电磁场中的动态位既是空间的函数,也是〔〕的函数.7•静电场的能量体密度等于〔〕o8,多匝线圈交链磁通的总和,称为〔〕o二.简述题〔每题5分,共30分〕9.电磁感应定律的本质是变化的〔〕产生电场.10.平板电容器的板面积增大时,电容量〔〕.1.简述静电平衡状态下导体的性质〔从电荷,电位和电场强度三个方面说明〕.2.简述变压器电动势和发电机电动势的区别.3.写出麦克斯韦方程组得微分形式及其辅助方程.4.一块金属在均匀磁场中匀速平移,金属中是否会有涡流为什么?5•平行板电容器两板带有等量异号自由电荷,忽略边缘效应,当板间距离增大时,板间电场强度是否改变为什么6.对自由空间的平面电磁波,电场和磁场的能量密度相等吗为什么三.计算证实题〔每题8分,共40分〕1.有一个分区均匀电介质电场,区域1〔z<0 〕中的相对介电常数£ rl=2z区域2 〔z〕0〕中的相对介电常数£ r2=5. El=2ex+3ey+4ez,求DI, E2 和D2 .2设平板电容器极板间的距离是d,介质的介电常数为£ 0,极板间接交流电源,电压为u=Umsin3t,求极板间任一点的位移电流密度.3.设空间某处的磁场强度为H=0.1cos(2 ntX10A7-0.21x)ez A/m.求电磁波的传播方向,频率,相位常数,传播速度,波阻抗,并求电场强度的表达式.4.半径分别为Rl. R2的同心导体球面间充满介电常数为£的介质, 求此球形电容器的电容.5 •试证实真空中以速度运动的点电荷所产生的磁场强度和电位移矢量之间的关系为H=vXD。
电磁场试题(一)第一部分 选择题 (共30分)一、单项选择题(本大题共15小题,第1~3题每小题1分,第4~12题每小题2分,第13~15题每小题3分,共30分)在每小题列出的四个备选项中只有一个是符合题目要求的,请将其代码填写在题后的括号内。
错选、多选或未选均无分。
1.全电流定律的微分方程为( ) A .▽×H =J C B .▽×H =J C =(或J V )+tD∂∂ C .▽×H =t D ∂∂D .▽×H =02.所谓点电荷是指可以忽略掉电荷本身的( ) A .质量 B .重量 C .体积 D .面积 3.静电场中两点电荷之间的作用力与它们之间的距离( ) A .成正比B .平方成正比C .平方成反比D .成反比 4.真空中均匀平面波的波阻抗为( )A .237ΩB .277ΩC .337ΩD .377Ω 5.载流回路中的电流在建立过程中需要外源提供能量,故一部分能量将转化为( ) A .电场能量 B .线圈能量 C .磁场能量 D .电流能量 6.变压器电动势的产生条件是( )A .电场恒定B .磁场恒定C .电场变化D .磁场变化7.已知两点电荷在同一处产生的电场分别为E 1=-48.0e y +60.0e z v/m ,E 2=74.9e x -124.9e z v/m ,则该处的电场强度为( ) A .74.9e x -48.0e y v/mB .-74.9e x +48.0e y -184.9e z v/mC .74.9e x +48.0e y -184.9e z v/mD .74.9e x -48.0e y -64.9e z v/m8.0ε是真空中的介电常数,其值为( ) A .4π×10-7H/m B .4π×10-12F/m C .8.85×10-12F/mD .8.85×10-12F ·m9.已知平行板电容器中,电位函数2ax =ϕ,则电容器中的电场强度为( ) A .2ax e x B .2a εx e x C .2a εe x D .-2ax e x 10.在恒定电场中,导体内的电场强度为( )A .恒定B .为零C .不定D .为无穷大11.一个电量为1.6×10-19C的粒子,以83.5km/s的初速度进入B=5mT的磁场中,假设速度v和B是垂直的,则作用在此粒子上的力为()A.6.68×10-20N B.6.68×10-17NC.6.68×10-14D.0N12.电流密度的单位为()A.安/米3B.安/米2C.安/米D.安13.如向量磁位A=5(x2+y2+z2)-1e x Wb/m,则B为()A.10(x2+y2+z2)-2y e z-10(x2+y2+z2)-2z e y(T)B.5(x2+y2+z2)-1e z-5(x2+y2+z2)-1e y(T)C.10(x2+y2+z2)-1y e z-10(x2+y2+z2)-1z e y(T)D.5(x2+y2+z2)-2e z-5(x2+y2+z2)-2e y(T)14.在场源分布相同情况下,普通磁媒质中的磁感应强度是真空中磁感应强度的()A.μ倍B.rμ倍C.μ倍D.mχ倍15.在恒定磁场中,已知H=a(y e x-x e y),则电流密度J等于()A.-2a e z B.-2a e yC.2a e x D.2a e z第二部分非选择题(共70分)二、填空题(本大题共10小题,每小题1分,共10分)请在每小题的空格中填上正确答案。
《工程电磁场》习题题目练习《工程电磁场》复习题一.问答题1.什么是静电场?写出其基本方程并由此总结静电场的特点。
由静止电荷在其周围产生的电场。
1*q2/4*R*R*e0 静电场不随时间变化2. 什么是恒定电场?写出其基本方程并由此总结静电场的特点。
恒定电流产生的电场。
3. 什么是恒定磁场?写出其基本方程并由此总结静电场的特点。
磁场强度和方向保持不变的磁场。
4. 如果区域中某点的电场强度为零,能否说明该点的电位也为零?为什么?电场强度E是一个随空间点位置不同而变化的矢量函数,仅与该点的电场有关。
为两个电荷相等的正反电荷,在其中心点处电位为零,但场强不为零。
5. 如果区域中某点的电位为零,能否说明该点的电场强度也为零?举例说明?不能。
为两个相等正电荷,在其中心点处电场强度为零,但电位不为零。
6.静电场的电力线会闭合的吗?恒定电场的电力线会闭合的吗?为什么?静电场的电力线不会闭合,起于正电荷止于负电荷。
在变化的磁场产生的有旋电场中,电力线环形闭合,围绕着变化磁场。
7. 写出两种不同媒质分界面上恒定电场与恒定磁场的边界衔接条件。
恒定电场的边界衔接条件J*0 E*0恒定磁场的边界衔接条件B*0 H*8. 什么是矢量磁位A? 什么是磁感应强度B?0 *A(*A)=0, 矢量磁位A是一个辅助性矢量。
磁感应强度B是描述磁场强弱和方向的基本物理量9. 什么是磁导率? 什么是介电常数?表示磁介质磁性的物理量。
介质在外加电场时会产生感应电荷而削弱电场,原外加电场(真空中)与最终介质中电场比值即为介电常数。
10. 导电媒质中恒定电场与静电场之间具有什么相似关系?二.填空题1.静止电荷产生的电场,称之为_静电场场。
它的特点是有散无旋场,不随时间变化。
2.高斯定律说明静电场是一个有散场。
3.安培环路定律说明磁场是一个有旋场。
4.电流密度是一个矢量,它的方向与导体中某点的正电荷的运动方向相同。
5.在两种不同导电媒质的分界面上,磁感应强度的法向分量越过分界面时连续,电场强度的切向分量连续。
工程电磁场数值分析试题一、一同轴电缆,内导体(铜)外半径为0.01m,外导体(铜)内半径为0.03m,外导体厚度为0.003m,内外导体间有两层电介质,一层电介质为聚乙烯(13rε=),另外一层电介质为聚氯乙烯(26rε=),两层电介质厚度均为0.01m,内导体电位为5kV,外导体电位为0V。
(1)试用有限元法求内外导体间的电位和电场强度分布,(2)求此电缆中最大场强的位置和最大值,能否击穿电介质或发生局部击穿,(3)在不击穿的前提下,此电缆能承载的最大电压为多少?分析:参数设置:铜相对介电常数ε=1,电阻率ρ=1e-7Ω/m聚乙烯相对介电常数ε=3,电阻率ρ=1e+13Ω/m聚氯乙烯相对介电常数ε=6,电阻率ρ=1e+14Ω/m(1)其中电位分布及场强分布如下:通过定义路径(-0.033,0)到(0.033,0)分析其场强分布如下图:电压分布如下图:(2)从图中可以看出其场强最大值位于内导体外半径附近处取得距离内导体圆心0.0132m处取最大值422728V/m。
聚乙烯击穿场强为35-50MV/m,聚氯乙烯击穿场强为20-35MV/m,计算可知无法击穿电介质。
(3)聚乙烯击穿场强为35-50MV/m,聚氯乙烯击穿场强为20-35MV/m,按最小值计算理论上0.01m距离上其耐压分别为350kv和200kv,所以电介质不会被击穿。
如不击穿理论上应能够承压200kv。
二、一同轴电缆,内导体(铜)外半径为0.01m,外导体(铜)内半径为0.03m,外导体厚度为0.003m,内外导体间有一层电介质,电介质为聚氯乙烯(26ε=),电介质厚度均为0.02m,内导体电位为5kV,外导体电位为0V。
(1)试用有限元法求内外导体间的电位和电场强度分布,(2)求此电缆中最大场强的位置和最大值,能否击穿电介质或发生局部击穿,(3)在不击穿的前提下,此电缆能承载的最大电压为多少?(4)通过一题和二题的对比,说明同轴电缆的内外导体间用一层还是二层电介质比较好,为什么?分析:参数设置:铜相对介电常数ε=1,电阻率ρ=1e-7Ω/m聚氯乙烯相对介电常数ε=6,电阻率ρ=1e+14Ω/m (1)其中电位分布及场强分布如下:通过定义路径(-0.033,0)到(0.033,0)分析其场强分布如下图:电压分布如下图:(2)从图中可以看出其场强最大值位于内导体外半径附近处取得距离内导体圆心0.0132m处,最大值343991.6V/m。
聚氯乙烯击穿场强为20-35MV/m,计算可知无法击穿电介质。
(3)聚氯乙烯击穿场强为20-35MV/m,按最小值计算理论上0.01m距离上其耐压分别200kv,所以电介质被击穿。
即能够承压200kv。
(4)通过一、二两题的对比,可知同轴电缆的内外导体间用两层电介质比较好,使用一层电介质时场强的峰值要小于使用两层电介质,但使用两层电介质时场强下降更为迅速,到达外层时场强也相对更低,则发生击穿的可能性相对更低,所以使用两层电介质使同轴电缆工作性能更强。
三、一同轴电缆,内导体(铜)外半径为0.01m,外导体(铜)内半径为0.03m,外导体厚度为0.003m,内外导体间有两层电介质,一层电介质为聚乙烯(13ε=),另外一层电介质为聚氯乙烯(26ε=),两层电介质厚度均为0.01m,若内导体通电流密度J1=500A/m2,外导体通电流密度为J2=-500A/m2,求内外导体间的磁场分布,画出一路经找出最大磁场和最小磁场位置。
分析:参数设置:铜相对磁导率μ=1,电阻率ρ=1e-7Ω/m聚乙烯相对磁导率μ=1,电阻率ρ=1e+13Ω/m聚氯乙烯相对磁导率μ=1,电阻率ρ=1e+14Ω/m (1)其磁场分布如下图所示:(2)定义路径(-0.033,0)到(0.033,0)可得如下磁场分布图:由图可知,最大磁场位于距离坐标原点距离为0.0099m的圆上,最小位置在坐标原点上。
四、设计一个煤气点火器。
分析:查阅资料得打火器利用尖端放电原理确定其参数放电间隙1mm,电压15000v建立相应模型。
仿真得其电场及电位分布图并通过定义路径(0,0.001)到(0,-0.001)得其路径上的场强分布如下:此尖端放电模型可用于打火装置的设计,通过改变模型参数分析可得尖端间隙和尖端间电压对放电过程有影响。
五、用Ansys分析220kV三相交流输电线路的电场分布和磁场分布,若为零序电流时再分析其电场和磁场分布。
(1)110kV三相交流输电线路的电场分布如下图所示:(2)110kV三相交流输电线路的磁场分布如下图所示:(3)零序电流时电场分布如下图所示:(4)零序电流时磁场分布如下图所示:六如图1所示一个螺旋管线圈,图中1-12个点的坐标分别为:1(-0.05,0.2),2(0.05,0.2),3(0.053,0.2),4(-0.053,0.2),5(-0.053,-0.2),6(0.053,-0.2),7(0.05,-0.2),8(-0.05,-0.2),9(0.058,-0.25),10(-0.058,-0.25),11(-0.058,0.25),12(0.058,0.25),螺线管中的电流密度为6210A /m J =-和6210A /m J =,(1)当螺旋管线圈中心为非铁磁性材料时,分析该螺线管线圈形成的磁场分布;(2)当螺旋管线圈中心为铁磁性材料且相对磁导率为3000时,分析该螺线管线圈形成的磁场分布;(3)比较(1)和(2)磁场的不同,说明原因。
分析:(1) 当螺旋管线圈中心为非铁磁性材料时,该螺线管线圈形成的磁场分布为:(2)当螺旋管线圈中心为铁磁性材料时,该螺线管线圈形成的磁场分布为:(3)通过对(1)、(2)的比较可知,当使用铁磁性材料时,磁力线紧密的沿着螺旋线圈中心传导,从而使得漏磁更少。
其原因是铁磁材料导磁能力更强,使得磁力线都更加紧密的沿着螺旋线圈指向。
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/EXIT,ALL第二题/BATCH/COM,ANSYS RELEASE 12.0.1 UP20090415 17:36:50 01/13/2017 /input,menust,tmp,'',,,,,,,,,,,,,,,,1/GRA,POWER/GST,ON/PLO,INFO,3/GRO,CURL,ON/CPLANE,1/REPLOT,RESIZEWPSTYLE,,,,,,,,0/FILNAME,Q2,0!*/NOPR/PMETH,OFF,1KEYW,PR_SET,1KEYW,PR_STRUC,0KEYW,PR_THERM,0KEYW,PR_FLUID,0KEYW,PR_ELMAG,1KEYW,MAGNOD,0KEYW,MAGEDG,0KEYW,MAGHFE,0KEYW,MAGELC,1KEYW,PR_MULTI,0KEYW,PR_CFD,0/GO!*/COM,/COM,Preferences for GUI filtering have been set to display:/COM, Electric!*/PREP7!*ET,1,PLANE121!*!*!*MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,PERX,1,,1MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,1,,1E-7MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,PERX,2,,6 MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,2,,1E+14CYL4,0,0,0.01CYL4,0,0,0.03CYL4,0,0,0.033FLST,2,3,5,ORDE,2FITEM,2,1FITEM,2,-3AOVLAP,P51XALLSEL,ALLFLST,5,2,5,ORDE,2FITEM,5,1FITEM,5,5CM,_Y,AREAASEL, , , ,P51XCM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 1, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*CM,_Y,AREAASEL, , , , 4CM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 2, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*SMRT,6SMRT,1MSHAPE,0,2DMSHKEY,0!*FLST,5,3,5,ORDE,3 FITEM,5,1 FITEM,5,4 FITEM,5,-5CM,_Y,AREA ASEL, , , ,P51X CM,_Y1,AREA CHKMSH,'AREA' CMSEL,S,_Y!*AMESH,_Y1!*CMDELE,_Y CMDELE,_Y1 CMDELE,_Y2!*ALLSEL,ALL FINISH/SOL!*ANTYPE,0 FLST,2,1,5,ORDE,1 FITEM,2,1/GOFLST,2,1,5,ORDE,1 FITEM,2,1/GO!*DA,P51X,VOLT,5000 FLST,2,1,5,ORDE,1 FITEM,2,5/GO!*DA,P51X,VOLT,0/STATUS,SOLU SOLVEFINISH/POST1 ALLSEL,ALL!*/EFACET,1 PLNSOL, VOLT,, 0!*/VSCALE,1,1,0!!*PLVECT,EF, , , ,VECT,ELEM,ON,0PATH,1,2,30,20,PPATH,1,0,-0.033,0,0,0,PPATH,2,0,0.033,0,0,0,/PBC,PATH,1/REPLOT/PBC,PATH,0!*!*PDEF,V,VOLT, ,AVG/PBC,PATH, ,0!*!*PDEF,E,EF,SUM,AVG/PBC,PATH, ,0!*PLPATH,VPLPATH,EFINISH! /EXIT,ALL/BATCH/COM,ANSYS RELEASE 12.0.1 UP20090415 17:39:40 01/13/2017 /input,menust,tmp,'',,,,,,,,,,,,,,,,1/GRA,POWER/GST,ON/PLO,INFO,3/GRO,CURL,ON/CPLANE,1/REPLOT,RESIZEWPSTYLE,,,,,,,,0/FILNAME,Q3,0!*/NOPR/PMETH,OFF,1KEYW,PR_SET,1KEYW,PR_STRUC,0KEYW,PR_THERM,0KEYW,PR_FLUID,0KEYW,PR_ELMAG,1KEYW,MAGNOD,1KEYW,MAGEDG,0KEYW,MAGHFE,0KEYW,MAGELC,0KEYW,PR_MULTI,0KEYW,PR_CFD,0/GO!*/COM,/COM,Preferences for GUI filtering have been set to display: /COM, Magnetic-Nodal!*/PREP7!*ET,1,PLANE13!*!*MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,MURX,1,,1MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,1,,1E-7MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,MURX,2,,1MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,2,,1E+13MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,MURX,3,,1MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,3,,1E+14CYL4,0,0,0.01CYL4,0,0,0.03CYL4,0,0,0.033CYL4,0,0,0.02CYL4,0,0,0.01FLST,2,5,5,ORDE,2FITEM,2,1FITEM,2,-5AOVLAP,P51XFLST,5,2,5,ORDE,2FITEM,5,1FITEM,5,7ASEL, , , ,P51XCM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 1, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*CM,_Y,AREAASEL, , , , 6CM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 2, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*CM,_Y,AREAASEL, , , , 8CM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 3, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*SMRT,6SMRT,1MSHAPE,0,2DMSHKEY,0!*FLST,5,4,5,ORDE,3FITEM,5,1FITEM,5,6FITEM,5,-8CM,_Y,AREAASEL, , , ,P51XCHKMSH,'AREA'CMSEL,S,_Y!*AMESH,_Y1!*CMDELE,_YCMDELE,_Y1CMDELE,_Y2!*ALLSEL,ALLFINISH/SOL!*ANTYPE,0FLST,2,1,5,ORDE,1FITEM,2,1!*BFA,P51X,JS, , ,500,0 FLST,2,1,5,ORDE,1FITEM,2,7!*BFA,P51X,JS, , ,-500,0 FLST,2,4,4,ORDE,2FITEM,2,9FITEM,2,-12DL,P51X, ,ASYM MAGSOLV,0,3,0.001, ,25, FINISH/POST1!*/VSCALE,1,1,0!!*PLVECT,B, , , ,VECT,ELEM,ON,0 !*/VSCALE,1,1,0!!*PLVECT,EF, , , ,VECT,ELEM,ON,0 !*/VSCALE,1,1,0!!*PLVECT,H, , , ,VECT,ELEM,ON,0!*/VSCALE,1,1,0!!*PLVECT,A, , , ,VECT,ELEM,ON,0!*/EFACET,1PLNSOL, A,Z, 0PATH,1,2,30,20,PPATH,1,0,-0.033,0,0,0,PPATH,2,0,0.033,0,0,0,/PBC,PATH,1/REPLOT/PBC,PATH,0!*!*PDEF,B,B,X,AVG/PBC,PATH, ,0!*!*PDEF,H,B,X,AVG/PBC,PATH, ,0!*PLPATH,BPLPATH,B,H!*PDEF,B,B,SUM,AVG/PBC,PATH, ,0!*!*PDEF,H,H,SUM,AVG/PBC,PATH, ,0!*PLPATH,BPLPATH,HFINISH! /EXIT,ALL第四题/BATCH/COM,ANSYS RELEASE 12.0.1 UP20090415 17:43:51 01/13/2017 /input,menust,tmp,'',,,,,,,,,,,,,,,,1/GRA,POWER/GST,ON/PLO,INFO,3/GRO,CURL,ON/CPLANE,1/REPLOT,RESIZEWPSTYLE,,,,,,,,0/REPLOT,RESIZE/FILNAME,Q4,0!*/NOPR/PMETH,OFF,1KEYW,PR_SET,1KEYW,PR_STRUC,0KEYW,PR_THERM,0KEYW,PR_FLUID,0KEYW,PR_ELMAG,1KEYW,MAGNOD,0KEYW,MAGEDG,0KEYW,MAGHFE,0KEYW,MAGELC,1KEYW,PR_MULTI,0KEYW,PR_CFD,0/GO!*/COM,/COM,Preferences for GUI filtering have been set to display: /COM, Electric!*/PREP7!*ET,1,PLANE121!*!*!*MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,PERX,1,,5MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,1,,1e+10K,1,0,0.001,0,K,2,-0.001,0.002,0,K,3,-0.001,0.004,0,K,4,-0.004,0.004,0,K,5,-0.004,-0.004,0,K,6,-0.001,-0.004,0,K,7,-0.001,-0.002,0,K,8,0,-0.001,0,K,9,0.001,-0.002,0,K,10,0.001,-0.004,0,K,11,0.004,-0.004,0,K,12,0.004,0.004,0,K,13,0.001,0.004,0,K,14,0.001,0.002,0, LSTR, 1, 2 LSTR, 2, 3 LSTR, 3, 4 LSTR, 4, 5 LSTR, 5, 6 LSTR, 6, 7 LSTR, 7, 8 LSTR, 8, 9 LSTR, 9, 10 LSTR, 10, 11 LSTR, 11, 12 LSTR, 12, 13 LSTR, 13, 14 LSTR, 14, 1 FLST,2,14,3FITEM,2,1FITEM,2,2FITEM,2,3FITEM,2,4FITEM,2,5FITEM,2,6FITEM,2,7FITEM,2,8FITEM,2,9FITEM,2,10FITEM,2,11FITEM,2,12FITEM,2,13FITEM,2,14A,P51XCM,_Y,AREAASEL, , , , 1 CM,_Y1,AREA CMSEL,S,_Y!*CMSEL,S,_Y1AATT, 1, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*SMRT,6SMRT,1MSHAPE,0,2DMSHKEY,0!*CM,_Y,AREAASEL, , , , 1CM,_Y1,AREACHKMSH,'AREA'CMSEL,S,_Y!*AMESH,_Y1!*CMDELE,_YCMDELE,_Y1CMDELE,_Y2!*ALLSEL,ALLFINISH/SOL!*ANTYPE,0FLST,2,6,4,ORDE,4FITEM,2,1FITEM,2,-3FITEM,2,12FITEM,2,-14/GO!*DL,P51X, ,VOLT,15000FLST,2,6,4,ORDE,2FITEM,2,5FITEM,2,-10/GO!*DL,P51X, ,VOLT,0/STATUS,SOLUSOLVEFINISH/POST1!*/EFACET,1PLNSOL, VOLT,, 0!*/VSCALE,1,1,0!!*PLVECT,EF, , , ,VECT,ELEM,ON,0PATH,1,2,30,20,PPATH,1,0,0,0.001,0,0,PPATH,2,0,0,-0.001,0,0,/PBC,PATH,1/REPLOT/PBC,PATH,0!*!*PDEF,V,VOLT, ,AVG/PBC,PATH, ,0!*!*PDEF,E,EF,SUM,AVG/PBC,PATH, ,0!*PLPATH,VPLPATH,VPLPATH,EFINISH! /EXIT,ALL第五题/BATCH/COM,ANSYS RELEASE 12.0.1 UP20090415 17:51:43 01/13/2017 /input,menust,tmp,'',,,,,,,,,,,,,,,,1/GRA,POWER/GST,ON/PLO,INFO,3/GRO,CURL,ON/CPLANE,1/REPLOT,RESIZEWPSTYLE,,,,,,,,0/FILNAME,Q5,0!*/NOPR/PMETH,OFF,1KEYW,PR_SET,1KEYW,PR_STRUC,0KEYW,PR_THERM,0KEYW,PR_FLUID,0KEYW,PR_ELMAG,1KEYW,MAGNOD,0KEYW,MAGEDG,0KEYW,MAGHFE,0KEYW,MAGELC,1KEYW,PR_MULTI,0KEYW,PR_CFD,0/GO!*/COM,/COM,Preferences for GUI filtering have been set to display: /COM, Electric!*/PREP7!*ET,1,PLANE121!*!*MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,PERX,2,,1MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,2,,1e-7MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,PERX,1,,1MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,1,,1e-7MPTEMP,,,,,,,,MPTEMP,1,0MPDE,RSVX,2MPDATA,RSVX,2,,1e+10CYL4,0,0,0.1CYL4,4,0,0.1CYL4,-4,0,0.1CYL4,0,0,4.5FLST,2,4,5,ORDE,2FITEM,2,1FITEM,2,-4AOVLAP,P51XFLST,5,3,5,ORDE,2FITEM,5,1FITEM,5,-3CM,_Y,AREAASEL, , , ,P51XCM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 1, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*CM,_Y,AREAASEL, , , , 5CM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 2, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*SMRT,6SMRT,5SMRT,4SMRT,3SMRT,2SMRT,1SMRT,1MSHAPE,0,2DMSHKEY,0!*FLST,5,4,5,ORDE,3FITEM,5,1FITEM,5,-3FITEM,5,5CM,_Y,AREAASEL, , , ,P51XCM,_Y1,AREACHKMSH,'AREA'CMSEL,S,_Y!*AMESH,_Y1!*CMDELE,_YCMDELE,_Y1CMDELE,_Y2!*FINISH/SOL!*ANTYPE,0FLST,2,4,4,ORDE,2FITEM,2,9FITEM,2,-12/GO!*DL,P51X, ,VOLT,220000 FLST,2,4,4,ORDE,2FITEM,2,1FITEM,2,-4/GO!*DL,P51X, ,VOLT,-110000 FLST,2,4,4,ORDE,2FITEM,2,5FITEM,2,-8/GO!*DL,P51X, ,VOLT,-110000/STATUS,SOLUSOLVEFINISH/POST1!*/EFACET,1PLNSOL, VOLT,, 0!*/VSCALE,1,1,0!!*PLVECT,EF, , , ,VECT,ELEM,ON,0FINISH! /EXIT,ALL第五题2/BATCH/COM,ANSYS RELEASE 12.0.1 UP20090415 17:56:01 01/13/2017 /input,menust,tmp,'',,,,,,,,,,,,,,,,1/GRA,POWER/GST,ON/PLO,INFO,3/GRO,CURL,ON/CPLANE,1/REPLOT,RESIZEWPSTYLE,,,,,,,,0/FILNAME,Q5,0!*/NOPR/PMETH,OFF,1KEYW,PR_SET,1KEYW,PR_STRUC,0KEYW,PR_THERM,0KEYW,PR_FLUID,0KEYW,PR_ELMAG,1KEYW,MAGNOD,1KEYW,MAGEDG,0KEYW,MAGHFE,0KEYW,MAGELC,0KEYW,PR_MULTI,0KEYW,PR_CFD,0/GO!*/COM,/COM,Preferences for GUI filtering have been set to display:/COM, Magnetic-Nodal!*/PREP7!*ET,1,PLANE13!*KEYOPT,1,1,0KEYOPT,1,2,0KEYOPT,1,3,0KEYOPT,1,4,0KEYOPT,1,5,0!*!* MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,MURX,1,,1 MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,1,,1e-7 MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,MURX,2,,1 MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,2,,1e+10CYL4,0,0,0.1CYL4,4,0,0.1CYL4,-4,0,0.1CYL4,0,0,5FLST,2,4,5,ORDE,2FITEM,2,1FITEM,2,-4AOVLAP,P51XFLST,5,3,5,ORDE,2FITEM,5,1FITEM,5,-3CM,_Y,AREAASEL, , , ,P51XCM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 1, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*CM,_Y,AREAASEL, , , , 5CM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 2, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*SMRT,6SMRT,5SMRT,4SMRT,3SMRT,2SMRT,1SMRT,1MSHAPE,0,2D MSHKEY,0!*FLST,5,4,5,ORDE,3 FITEM,5,1FITEM,5,-3FITEM,5,5CM,_Y,AREAASEL, , , ,P51XCM,_Y1,AREA CHKMSH,'AREA' CMSEL,S,_Y!*AMESH,_Y1!*CMDELE,_Y CMDELE,_Y1 CMDELE,_Y2!*FINISH/SOL!*ANTYPE,0FLST,2,1,5,ORDE,1 FITEM,2,3!*BFA,P51X,JS, , ,50956,0 FLST,2,1,5,ORDE,1 FITEM,2,1!*BFA,P51X,JS, , ,-25478,0 FLST,2,1,5,ORDE,1 FITEM,2,2!*BFA,P51X,JS, , ,-25478,0FLST,2,4,4,ORDE,2FITEM,2,13FITEM,2,-16DL,P51X, ,ASYMMAGSOLV,0,3,0.001, ,25,FINISH/POST1!*/VSCALE,1,1,0!!*PLVECT,B, , , ,VECT,ELEM,ON,0FINISH! /EXIT,ALL第五题3/BATCH/COM,ANSYS RELEASE 12.0.1 UP20090415 17:56:43 01/13/2017 /input,menust,tmp,'',,,,,,,,,,,,,,,,1/GRA,POWER/GST,ON/PLO,INFO,3/GRO,CURL,ON/CPLANE,1/REPLOT,RESIZEWPSTYLE,,,,,,,,0/FILNAME,Q5,0!*/NOPR/PMETH,OFF,1KEYW,PR_SET,1KEYW,PR_STRUC,0KEYW,PR_THERM,0KEYW,PR_FLUID,0KEYW,PR_ELMAG,1KEYW,MAGNOD,0KEYW,MAGEDG,0KEYW,MAGHFE,0KEYW,MAGELC,1KEYW,PR_MULTI,0KEYW,PR_CFD,0/GO!*/COM,/COM,Preferences for GUI filtering have been set to display:/COM, Electric!*/PREP7!*ET,1,PLANE121!*!* MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,PERX,2,,1 MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,2,,1e-7 MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,PERX,1,,1 MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,1,,1e-7 MPTEMP,,,,,,,,MPTEMP,1,0MPDE,RSVX,2MPDATA,RSVX,2,,1e+10CYL4,0,0,0.1CYL4,4,0,0.1CYL4,-4,0,0.1CYL4,0,0,4.5FLST,2,4,5,ORDE,2FITEM,2,1FITEM,2,-4AOVLAP,P51XFLST,5,3,5,ORDE,2FITEM,5,1FITEM,5,-3CM,_Y,AREAASEL, , , ,P51XCM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 1, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*CM,_Y,AREAASEL, , , , 5CM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 2, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*SMRT,6SMRT,5SMRT,4SMRT,3SMRT,2SMRT,1SMRT,1MSHAPE,0,2DMSHKEY,0!*FLST,5,4,5,ORDE,3FITEM,5,1FITEM,5,-3FITEM,5,5CM,_Y,AREAASEL, , , ,P51XCM,_Y1,AREACHKMSH,'AREA'CMSEL,S,_Y!*AMESH,_Y1!*CMDELE,_YCMDELE,_Y1CMDELE,_Y2!*FINISH/SOL!*ANTYPE,0FLST,2,4,4,ORDE,2FITEM,2,9/GO!*DL,P51X, ,VOLT,220000FLST,2,4,4,ORDE,2FITEM,2,1FITEM,2,-4/GO!*DL,P51X, ,VOLT,220000FLST,2,4,4,ORDE,2FITEM,2,5FITEM,2,-8/GO!*DL,P51X, ,VOLT,220000/STATUS,SOLUSOLVEFINISH/POST1!*/EFACET,1PLNSOL, VOLT,, 0!*/VSCALE,1,1,0!!*PLVECT,EF, , , ,VECT,ELEM,ON,0FINISH! /EXIT,ALL第五题4/BATCH/COM,ANSYS RELEASE 12.0.1 UP20090415 18:05:34 01/13/2017 /input,menust,tmp,'',,,,,,,,,,,,,,,,1/GRA,POWER/GST,ON/PLO,INFO,3/GRO,CURL,ON/CPLANE,1/REPLOT,RESIZEWPSTYLE,,,,,,,,0/FILNAME,Q5,0!*/NOPRKEYW,PR_SET,1KEYW,PR_STRUC,0KEYW,PR_THERM,0KEYW,PR_FLUID,0KEYW,PR_ELMAG,1KEYW,MAGNOD,1KEYW,MAGEDG,0KEYW,MAGHFE,0KEYW,MAGELC,0KEYW,PR_MULTI,0KEYW,PR_CFD,0/GO!*/COM,/COM,Preferences for GUI filtering have been set to display: /COM, Magnetic-Nodal!*/PREP7!*ET,1,PLANE13!*KEYOPT,1,1,0KEYOPT,1,2,0KEYOPT,1,3,0KEYOPT,1,4,0KEYOPT,1,5,0!*!*MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,MURX,1,,1MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,1,,1e-7MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,MURX,2,,1MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,2,,1e+10CYL4,0,0,0.1CYL4,4,0,0.1CYL4,-4,0,0.1FLST,2,4,5,ORDE,2FITEM,2,1FITEM,2,-4AOVLAP,P51XFLST,5,3,5,ORDE,2FITEM,5,1FITEM,5,-3CM,_Y,AREAASEL, , , ,P51XCM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 1, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*CM,_Y,AREAASEL, , , , 5CM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 2, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*SMRT,6SMRT,5SMRT,4SMRT,3SMRT,2SMRT,1SMRT,1MSHAPE,0,2DMSHKEY,0!*FLST,5,4,5,ORDE,3FITEM,5,1FITEM,5,-3FITEM,5,5ASEL, , , ,P51XCM,_Y1,AREA CHKMSH,'AREA'CMSEL,S,_Y!*AMESH,_Y1!*CMDELE,_YCMDELE,_Y1CMDELE,_Y2!*FINISH/SOL!*ANTYPE,0FLST,2,1,5,ORDE,1 FITEM,2,3!*BFA,P51X,JS, , ,50956,0 FLST,2,1,5,ORDE,1 FITEM,2,1!*BFA,P51X,JS, , ,50956,0 FLST,2,1,5,ORDE,1 FITEM,2,2!*BFA,P51X,JS, , ,50956,0 FLST,2,4,4,ORDE,2 FITEM,2,13FITEM,2,-16DL,P51X, ,ASYM MAGSOLV,0,3,0.001, ,25, FINISH/POST1!*/VSCALE,1,1,0!!*PLVECT,B, , , ,VECT,ELEM,ON,0 FINISH! /EXIT,ALL第六题/BATCH/COM,ANSYS RELEASE 12.0.1 UP20090415 18:07:20 01/13/2017 /input,menust,tmp,'',,,,,,,,,,,,,,,,1/GRA,POWER/GST,ON/PLO,INFO,3/GRO,CURL,ON/CPLANE,1/REPLOT,RESIZEWPSTYLE,,,,,,,,0/FILNAME,Q6,0!*/NOPR/PMETH,OFF,1KEYW,PR_SET,1KEYW,PR_STRUC,0KEYW,PR_THERM,0KEYW,PR_FLUID,0KEYW,PR_ELMAG,1KEYW,MAGNOD,1KEYW,MAGEDG,0KEYW,MAGHFE,0KEYW,MAGELC,0KEYW,PR_MULTI,0KEYW,PR_CFD,0/GO!*/COM,/COM,Preferences for GUI filtering have been set to display:/COM, Magnetic-Nodal!*/PREP7!*ET,1,PLANE13!*!*MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,MURX,1,,1MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,1,,1e-7MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,MURX,2,,1MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,2,,1e-7 MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,MURX,3,,1 MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,RSVX,3,,1E+10 RECTNG,-0.053,-0.05,-0.2,0.2, RECTNG,0.053,0.05,-0.2,0.2, RECTNG,-0.058,0.058,-0.25,0.25, RECTNG,0.05,0.0515,-0.18,0.18, RECTNG,-0.05,-0.0515,-0.18,0.18, /DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,1.37174211248,1/REP,FAST/DIST,1,1.37174211248,1/REP,FAST/DIST,1,1.37174211248,1/REP,FAST/DIST,1,1.37174211248,1/REP,FAST/DIST,1,1.37174211248,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,1.37174211248,1/REP,FASTFLST,2,5,5,ORDE,2FITEM,2,1FITEM,2,-5AOVLAP,P51XALLSEL,ALL/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FASTCM,_Y,AREAASEL, , , , 8CM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 1, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*FLST,5,2,5,ORDE,2FITEM,5,4FITEM,5,-5CM,_Y,AREAASEL, , , ,P51XCM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 2, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*FLST,5,2,5,ORDE,2FITEM,5,6FITEM,5,-7CM,_Y,AREAASEL, , , ,P51XCM,_Y1,AREACMSEL,S,_Y!*FLST,5,2,5,ORDE,2FITEM,5,6FITEM,5,-7CM,_Y,AREAASEL, , , ,P51XCM,_Y1,AREACMSEL,S,_Y!*CMSEL,S,_Y1AATT, 3, , 1, 0, CMSEL,S,_YCMDELE,_YCMDELE,_Y1!*/DIST,1,1.37174211248,1/REP,FAST/DIST,1,1.37174211248,1/REP,FAST/DIST,1,1.37174211248,1/REP,FAST/DIST,1,1.37174211248,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.924021086472,1/REP,FAST/DIST,1,0.924021086472,1/REP,FAST/DIST,1,0.924021086472,1/REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,-0.3,,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,1.37174211248,1/REP,FAST/DIST,1,1.37174211248,1 /REP,FAST/DIST,1,1.37174211248,1 /REP,FAST/DIST,1,1.37174211248,1 /REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,0.3,,1/REP,FAST/FOC,1,,0.3,,1/REP,FAST/FOC,1,,0.3,,1/REP,FAST/FOC,1,,0.3,,1/REP,FAST/FOC,1,,0.3,,1/REP,FAST/DIST,1,1.37174211248,1 /REP,FAST/DIST,1,1.37174211248,1 /REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,1.37174211248,1 /REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,0.3,,1/REP,FASTSMRT,6SMRT,1MSHAPE,0,2D MSHKEY,0!*FLST,5,5,5,ORDE,2 FITEM,5,4FITEM,5,-8CM,_Y,AREAASEL, , , ,P51XCM,_Y1,AREA CHKMSH,'AREA'CMSEL,S,_Y!*AMESH,_Y1!*CMDELE,_Y CMDELE,_Y1 CMDELE,_Y2!*ALLSEL,ALLFINISH/SOL!*ANTYPE,0/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FASTFLST,2,1,5,ORDE,1 FITEM,2,5!*BFA,P51X,JS, , ,-500,0 FLST,2,1,5,ORDE,1 FITEM,2,4!*BFA,P51X,JS, , ,500,0/DIST,1,1.37174211248,1 /REP,FAST/DIST,1,1.37174211248,1 /REP,FAST/DIST,1,1.37174211248,1 /REP,FAST/DIST,1,1.37174211248,1 /REP,FAST/DIST,1,1.37174211248,1 /REP,FASTFLST,2,4,4,ORDE,2 FITEM,2,9FITEM,2,-12DL,P51X, ,ASYM MAGSOLV,0,3,0.001, ,25, FINISH/POST1!*/VSCALE,1,1,0!!*PLVECT,EF, , , ,VECT,ELEM,ON,0 !*/VSCALE,1,1,0!!*PLVECT,B, , , ,VECT,ELEM,ON,0 /DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/DIST,1,0.729,1/REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,-0.3,,1/REP,FAST/FOC,1,,-0.3,,1 /REP,FAST/FOC,1,,-0.3,,1 /REP,FAST/FOC,1,,-0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST/FOC,1,,0.3,,1 /REP,FAST。