²é¿´: 10621  |  »Ø¸´: 258
¡¾½±Àø¡¿ ±¾Ìû±»ÆÀ¼Û228´Î£¬×÷ÕßcaemechanicsÔö¼Ó½ð±Ò 179.2 ¸ö
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

[×ÊÔ´] ½á¹¹Æ£ÀÍÊÙÃü·ÖÎö(Ò¦ÎÀÐÇ)

½á¹¹Æ£ÀÍÊÙÃü·ÖÎö(Ò¦ÎÀÐÇ)
»Ø¸´´ËÂ¥

» ±¾Ìû¸½¼þ×ÊÔ´Áбí

  • »¶Ó­¼à¶½ºÍ·´À¡£ºÐ¡Ä¾³æ½öÌṩ½»Á÷ƽ̨£¬²»¶Ô¸ÃÄÚÈݸºÔð¡£
    ±¾ÄÚÈÝÓÉÓû§×ÔÖ÷·¢²¼£¬Èç¹ûÆäÄÚÈÝÉæ¼°µ½ÖªÊ¶²úȨÎÊÌ⣬ÆäÔðÈÎÔÚÓÚÓû§±¾ÈË£¬Èç¶Ô°æȨÓÐÒìÒ飬ÇëÁªÏµÓÊÏ䣺libolin3@tal.com
  • ¸½¼þ 1 : ½á¹¹Æ£ÀÍÊÙÃü·ÖÎö(Ò¦ÎÀÐÇ).pdf
  • 2012-06-18 10:50:59, 5.06 M

» ÊÕ¼±¾ÌûµÄÌÔÌùר¼­ÍƼö

Êé¼®ÏÂÔØÍøÕ¾ ÌÔÌùÌÔ±¦ AnsysÈí¼þѧϰ ÓÐÓÃÈí¼þ
Ħ²ÁÆ£ÀÍÕñ¶¯Óë¿É¿¿ÐÔ Æ£ÀÍʧЧ·ÖÎö Èí¼þÓë¼ì²â Êé¼®ÊÕ¼¯

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍƼö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wwhblue

Í­³æ (³õÈëÎÄ̳)


½á¹¹Æ£ÀÍÊÙÃü·ÖÎö(Ò¦ÎÀÐÇ) ÊéÖÐÀý×ÓÓÐË­Ëã¹ýÂ𣿠ÎÒÔõô¼ÆËãµÄ¡°Ë«±¶Ñ­»·Ó¦Á¦Ó¦±äÇúÏß¡±ÓëÊéÖв»Ò»ÑùÄØ£¿ÓõÄÊÇÊéÖеÄÊý¾Ý¡£
³ÌÐòÈçÏ£º
x = [650 -450 720 460 750 -750 350 -450 550 70 550];    %%-- Ò¦ÎÀÐÇ£¨2003£© ±í3.4
sigma = [0 300 500 600 700 800];   %%-- Ò¦ÎÀÐÇ£¨2003£© ±í3.2
epslon = [0 0.2 0.4 0.6 1 2];

depslon = diff(epslon);
dsigma = diff(sigma);

nx = length(x);
ns = length(dsigma);
drag_s = zeros(ns,nx);
pres_s = zeros(ns,nx);  
drag = ones(ns,1);
pres = ones(ns,1);
xpre = 0; cpre = 0;
sgm = zeros(nx,1);   outsgm = [];
epl = zeros(nx,1);   outepl = [];
for k = 1: nx
    csgm = xpre; cepl = cpre;
    ki = 1;
    sgm(ki) = csgm; epl(ki) = cepl;
    if  x(k)> xpre
        sgn = 1;
        coef = drag;
    else
        sgn = -1;
        coef = pres;
    end
    %
    while ki<= ns
        csgm = csgm + dsigma(ki) * coef(ki) * sgn;
        cepl = cepl + depslon(ki) * coef(ki)* sgn;
        if sgn*csgm < sgn*x(k)
            coef(ki) = 0;
            ki = ki+1;
            sgm(ki) = csgm;   epl(ki) = cepl;
        else
            det = abs(x(k) - sgm(ki))/dsigma(ki);
            sgm(ki+1) = sgm(ki) + dsigma(ki) *det *sgn;   
            epl(ki+1) = epl(ki) + depslon(ki)*det *sgn;
            coef(ki) = coef(ki)-det;
            break;
        end
    end
    %
    if  x(k)> xpre
        drag = coef;
        pres = 2-coef;
    else
        pres = coef ;
        drag = 2-coef;
    end
    xpre = x(k);
    cpre = epl(ki+1);
   
    drag_s(:,k) = drag;
    pres_s(:,k) = pres;
   
    plot(epl(1:ki+1), sgm(1:ki+1), 'b+--', 'linewidth',1);
end
255Â¥2021-10-18 16:19:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wwhblue

Í­³æ (³õÈëÎÄ̳)


ÒýÓûØÌû:
253Â¥: Originally posted by atwoodcloyd at 2020-06-18 16:51:18
¸Ðл¥Ö÷ÇãÇé·îÏ×£¬Èç¹ûÄÜÓÐÒ»±¾S-NÇúÏßÊÖ²á¾Í¸üÍêÃÀÀ²¡£¡£¡£

ÄãÓÐÒ¦ÎÀÐÇ Æ£ÀÍÊÙÃü·ÖÎö ËãÀý³ÌÐòÂð
256Â¥2021-10-18 16:23:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¼òµ¥»Ø¸´
wwhblue248Â¥
2020-05-07 17:25   »Ø¸´  
ÎåÐǺÃÆÀ  ¶¥Ò»Ï£¬¸Ðл·ÖÏí£¡
Ïà¹Ø°æ¿éÌøת ÎÒÒª¶©ÔÄÂ¥Ö÷ caemechanics µÄÖ÷Ìâ¸üÐÂ
¡î ÎÞÐǼ¶ ¡ï Ò»ÐǼ¶ ¡ï¡ï¡ï ÈýÐǼ¶ ¡ï¡ï¡ï¡ï¡ï ÎåÐǼ¶
×î¾ßÈËÆøÈÈÌûÍƼö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[½Ìʦ֮¼Ò] ͳ¼ÆһϣºË¶Ê¿±ÏÒµ´ð±çºóµÄлʦÑçÊÇѧÉú³öÇ®£¬»¹ÊÇÀÏʦ³öÇ®£¿ +5 ËÕ¶«Æ¶þÊÀ 2024-06-02 5/250 2024-06-02 08:05 by ¸ç´ó´ó
[½Ìʦ֮¼Ò] Ö°Äܲ¿ÃŹ¤×÷ÈËԱ̬¶È²»ºÃÊÇÆÕ±éµÄÂð£¿ÔõôÈÃËûÃÇ̬¶ÈºÃһЩ£¿ +3 ºÓÎ÷Ò¹ÀÉ 2024-06-01 3/150 2024-06-02 06:15 by kanyechris
[˶²©¼ÒÔ°] ÿµ½ÖÐÒ¹£¬ÇéÄÑ×ÔÒÖ +34 sioc-sunj 2024-05-28 58/2900 2024-06-02 02:53 by csyky2007
[¿¼²©] ÉêÇë2024»ò2025Ä격ʿÑо¿Éú +5 à½ààà½1 2024-05-29 12/600 2024-06-01 22:36 by à½ààà½1
[»ù½ðÉêÇë] »¯Ñ§B02¿ÚÇà»ù ´ú±í×÷¶¼ÊÇʲôˮƽµÄ£¿Ïò´óÀÐÇóÖú +8 arthas_007 2024-06-01 10/500 2024-06-01 22:05 by photocatalysis
[˶²©¼ÒÔ°] ÿÌìѧÊõʱ¼ä²»Äܱ£Ö¤£¬Äܱ£Ö¤µÄÖ»ÓУº +10 hahamyid 2024-05-27 10/500 2024-06-01 21:11 by СС֥ÂéÓ°
[ÂÛÎÄͶ¸å] ûÊÕµ½Óʼþ 10+3 ÈÙСƲ 2024-05-31 7/350 2024-06-01 15:04 by arthas_007
[»ù½ðÉêÇë] ²©ºóÌرð×ÊÖú״̬±ä»¯ +24 ËæÃζø·É2017 2024-05-30 35/1750 2024-06-01 10:10 by ÇൺÑô×Ð
[˶²©¼ÒÔ°] ÌÖÑá¾Æ×ÀÎÄ»¯ +6 hahamyid 2024-05-31 6/300 2024-06-01 09:03 by lizhiweiouc
[¿¼²©] ÇóÉúÎïѧµÄ²©µ¼ÊÕÁô +4 É격³É¹¦¹¦³É²©É 2024-06-01 4/200 2024-06-01 08:01 by ÆðÃû×Ö°¥
[¸ß·Ö×Ó] MMAÔ¤¾ÛÌå¹â¹Ì»¯·¢ÎíÎÊÌâÇóÖú +3 »ÝÑǽð×Ü 2024-05-29 10/500 2024-05-31 14:59 by »ÝÑǽð×Ü
[ÎÄѧ·¼²ÝÔ°] ¶Ô¶Ô×Ó°¡ +5 ÌìÈô¹Â¶À 2024-05-29 7/350 2024-05-31 09:00 by wjykycg
[Óлú½»Á÷] ÒºÏà´¿¶È¸ß£¬µ«²úÆ·Îö²»Ì«³öÀ´ 10+4 cui19236 2024-05-27 9/450 2024-05-30 07:45 by yuanjijoy
[˶²©¼ÒÔ°] ÓÖÏë»»¹¤×÷ +15 brightmj 2024-05-27 20/1000 2024-05-29 23:25 by zyqchem
[ÂÛÎÄͶ¸å] Õæ¼±×űÏÒµ£¬CPBÖ÷±àÖÕÉó17ÌìÁË£¬Óʼþ´ß¸åÁËÁ½´Î£¬¾ÍÊÇÒ»µã¶¯¾²Ã»ÓÐ 5+3 kkkkÏÄ 2024-05-28 6/300 2024-05-29 11:18 by hitsdu
[ÂÛÎÄͶ¸å] ¸ßÊÖÅóÓÑÍƼö±È½ÏÈÝÒ×Ͷ¸åºÍ¼ÓõÄSCIÆÚ¿¯£¬²»Í¶¸åÊÕ·ÑSC£¬¶Ô·ÖÇøûÓÐÒªÇó 5+3 xintangren 2024-05-28 4/200 2024-05-29 10:46 by xintangren
[ÂÛÎÄͶ¸å] ºËÐijõÉ󱻾ܣ¬ÀíÓÉÊÇ¡°Ñ¡ÌâµÄÒâÒå²»Ã÷È·£¬ÎÄÕÂдµÃ²»ÏñÊǿƼ¼ÂÛÎÄ¡±£¬Ôõô¸Ä 5+3 ¹¤ÌÙÀ×»¨Ó£ 2024-05-27 8/400 2024-05-29 10:09 by topedit
[»ù½ðÉêÇë] E10¿ªÊ¼ËÍÁË£¬Ï£ÍûÓкÃÔË +5 sail 2024-05-27 5/250 2024-05-28 18:36 by ֥С֥
[Óлú½»Á÷] »úÀíÇóÖú 120+4 15147165026 2024-05-26 10/500 2024-05-28 14:42 by ½­¶«ÏÐÈË
[˶²©¼ÒÔ°] ÖÜÈÕ +6 1¼ÓÓÍŶ°ô 2024-05-26 9/450 2024-05-27 10:30 by hahamyid
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û