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houyongping04

Òø³æ (³õÈëÎÄ̳)

[ÇóÖú] ¸ßÊÖ°ïæд¸ö¼òµ¥³ÌÐò ÒÑÓÐ2È˲ÎÓë

±äÁ¿F£¬×Ô±äÁ¿ R£¬¦È
¹ØÏµF=R¦Ã[3.14Rksin¦È+2cos¦È-2]

k= 3 ¶È/ºÁÃ×
¦Ã= 0.0728  N/m
R=2~8  ºÁÃ×
¦È= 35~75¶È
Èýάͼ£¬¶àл

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clear
[R,theta]=meshgrid(linspace(2,8,100),linspace(35,75,100));
k=3;
gamma=0.0728;
F=0.001*R*gamma*(3.14*R*k*sin(theta/180*pi)+2*cos(theta/180*pi)-2);
mesh(R,theta,F); colorbar
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feign_te

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÍÛ Á¬Ìâ¶¼Ò»Ñù   R,thetaÊǾØÕó ¶ÔӦλÖÃÏà³ËÓÃ.*
http://muchong.com/bbs/viewthread.php?tid=6757177&fpage=1
2Â¥2014-02-12 18:08:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wil_lian

Òø³æ (³õÈëÎÄ̳)

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¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
×î½ü¸Õѧmatlab,Ò²²»Ì«»á£¬ÊÔ×ÅдÁËÒ»¸ö£¬¸ßÊÖÇëÎðЦ
Ô´´úÂ룺
clear;
clc;
close all;
R=2:8;
theta=(35:75)*pi/180;
[X,Y]=meshgrid(R,theta);
Z=0.001*X.*0.0728.*(3.14.*X.*sin(Y)+2.*cos(Y)-2);
surf(X,Y,Z),colorbar
¸ßÊÖ°ïæд¸ö¼òµ¥³ÌÐò
QQ½ØÍ¼20140212225544.jpg

3Â¥2014-02-12 22:56:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

houyongping04

Òø³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by feign_te at 2014-02-12 18:08:30
ÍÛ Á¬Ìâ¶¼Ò»Ñù   R,thetaÊǾØÕó ¶ÔӦλÖÃÏà³ËÓÃ.*
http://muchong.com/bbs/viewthread.php?tid=6757177&fpage=1

clear
[R,theta]=meshgrid(linspace(1.5,5,100),linspace(35,75,100));
k =3;
gamma=0.0728;
F=0.001*R.*gamma.*(3.14.*R.*k*sin(theta/180*pi)+2*cos(theta/180*pi)-2);
mesh(R,theta,F);

ÏÖÔÚÕâ¸ö¶ÔÂð£¿ÉÏ´ÎÄǸöÒ²ÊÇÎÒÌáÎʵģ¬ÎÒ°ÑÄú¸øÎҵĸÄÁËһϣ¬ÔõôÀÏÊǸоõ²»¶Ô£¬Äú¿´ÏÖÔÚ¶Ô²»£¿£¬¶àл
4Â¥2014-02-13 08:40:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

houyongping04

Òø³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by feign_te at 2014-02-12 18:08:30
ÍÛ Á¬Ìâ¶¼Ò»Ñù   R,thetaÊǾØÕó ¶ÔӦλÖÃÏà³ËÓÃ.*
http://muchong.com/bbs/viewthread.php?tid=6757177&fpage=1

¸ßÊÖÄܰïæ¸Ä¸ÄÒ»¸ö³ÌÐòÂð£¿ÎÒ»ù±¾²»¶®£¬¶àл¡£
5Â¥2014-02-13 08:54:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

houyongping04

Òø³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by feign_te at 2014-02-12 18:08:30
ÍÛ Á¬Ìâ¶¼Ò»Ñù   R,thetaÊǾØÕó ¶ÔӦλÖÃÏà³ËÓÃ.*
http://muchong.com/bbs/viewthread.php?tid=6757177&fpage=1

¸ßÊÖ£¬Äܸø¸öÁªÏµ·½Ê½Âð£¿ÎÒQQ63544170£¬Íò·Ö¸Ðл¡£
6Â¥2014-02-13 08:58:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feign_te

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by houyongping04 at 2014-02-13 08:40:26
clear
=meshgrid(linspace(1.5,5,100),linspace(35,75,100));
k =3;
gamma=0.0728;
F=0.001*R.*gamma.*(3.14.*R.*k*sin(theta/180*pi)+2*cos(theta/180*pi)-2);
mesh(R,theta,F);

ÏÖÔÚÕâ¸ö¶ÔÂð£¿ÉÏ´ÎÄǸöÒ² ...

sin(theta/180*pi)ǰÓõã³Ë£¬Í¼ÏñÕûÌåºÍÈýÂ¥Ò»Ñù¡£ÎÒÊdzõѧ£¬²»ÊǸßÊÖ¡£ÄãÒª¸ÄµÄ´úÂë²»ÖªµÀÓж೤£¬¶ÌµÄ»°¿ÉÒÔÌù³öÀ´¡£
7Â¥2014-02-13 18:26:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ houyongping04 µÄÖ÷Ìâ¸üÐÂ
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