²é¿´: 714  |  »Ø¸´: 2

jiashengyang

Òø³æ (СÓÐÃûÆø)

[½»Á÷] ¡¾ÇóÖú¡¿ÓÃANSYSÈÈ£­½á¹¹ñîºÏ³öÏÖµÄÈçϵÄÎÊÌâ

ÔÚÔËÐÐANSYSʱ³öÏÖÁ½ÖÖwarning,Çë´ó¼Ò»ï°ïÎÒ·ÖÎö·ÖÎö£¬¿´ÎÊÌâ³öÔÚÄÄ£º
µÚÒ»¸ö£º
Warning:
When using DDEL with a first order system in a transient(especially following a ramp change),the backward Euler method(TINTPR,,,,1.0)uaually gives more stable and accurate results.
µÚ¶þ¸ö£º
*** WARNING ***   
The calculated reference FORCE CONVERGENCE VALUE = 1.755761023E-02 is   
less than the default minimum of 1 (MINREF field of CNVTOL command).   
Check results carefully.
²»ÖªµÀ¶ÔÓ¦Á¦·ÖÎöµÄ½á¹û»á²úÉúʲôÑùµÄÓ°Ï죿£¿ÒÔºóÔÚÔËÐÐʱÐèҪעÒâʲô¶«Î÷£¡£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

keenram

Í­³æ (³õÈëÎÄ̳)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÃüÁîÁ÷´«ÉÏÀ´¿´¿´£¬»¹Ã»¼û¹ýÄãÕâÁ½¸öÎÊÌâ
2Â¥2013-10-25 18:50:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

htbbzzg

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÕâÁ½¸ö¾¯¸æÐÅÏ¢¶ÔÇó½â¶¼²»»áÓкܴóÓ°Ï죺
    µÚÒ»¸ö¾¯¸æ£¬¹À¼ÆÄãµÄÄ£ÐÍÖÐÔÚÇó½â¹ý³ÌÖдæÔÚ DDEL ÃüÁÒò´ËÈí¼þ½¨Òé¶ÔÕâÖÖÇé¿öʹÓà backward Euler method (ÃüÁîÊÇ£º TINTPR,,,,1.0)£¬£¬¼ÆËã»á¸üÎȶ¨£¬½á¹ûÒ²¸ü¾«È·£»
    µÚ¶þ¸ö¾¯¸æ£¬¹À¼ÆÄãµÄÇó½âÉèÖÃÖÐËù¶¨ÒåµÄÁ¦ÊÕÁ²×¼ÔòÓÐһЩÎÊÌ⣬×îСÁ¦ÊÕÁ²Öµ 1.7..E-2 СÓÚÈí¼þĬÈϵÄÖµ¡£ËäÈ»ÕâÑù×öÊÇÔÊÐíµÄ£¬µ«ÒòΪÊÕÁ²ÖµÔ½Ð¡£¬ÊÕÁ²»áÔ½À§ÄÑ£¬¹ÊÌá³ö¾¯¸æ¡£
    Èç¹ûÄãµÄ·ÖÎöÊÇÊÕÁ²µÄ£¬ÕâÁ½¸ö¾¯¸æ¾ÍûÓÐʲô¹ØÏµ£¬Èç¹û²»ÊÕÁ²£¬ÔÚ·ÖÎöÎÊÌâʱ¾ÍÐèÒª¿¼ÂÇÕâÁ½¸öÒòËØ¡£
3Â¥2013-10-26 08:14:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ jiashengyang µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] 2026Äê8ÔÂ25ÈÕ¹ú×ÔÈ»·Å°ñǰͻȻÊÕµ½ÁÐÈëÆÀÉóר¼ÒÓʼþ£¬ÓйØÏµÂ𣿠+16 ľˮ˼¶¹ 2026-08-25 19/950 2026-08-25 23:56 by dragonxp
[¿¼ÑÐ] ÊÛSCIÒ»ÇøT0PÎÄÕ£¬ÎÒ:8.O.55.1.O.5.4,¿ÆÄ¿È«,¿É+¼± +3 7K1CJE38xLG4 2026-08-25 3/150 2026-08-25 23:20 by cNXvBfCpiZOM
[»ù½ðÉêÇë] Ã÷ÌìÓ¦¸Ã¿É²éÁË£¡£¿ +6 chengyan1220 2026-08-23 6/300 2026-08-25 19:45 by zfd97
[»ù½ðÉêÇë] ·Å°ñǰµÄ²»µ­¶¨ 20+4 snowwithsea 2026-08-19 19/950 2026-08-25 17:57 by chick875
[»ù½ðÉêÇë] ijЩ»ú¹¹£¬ÒÔЧÂʵÍΪÈÙ£¬ÒÔЧÂʵÍ×÷Ϊ´æÔڸР+9 yuleib84 2026-08-25 10/500 2026-08-25 17:14 by alexon
[»ù½ðÉêÇë] ½ñÈÕ²»·Å°ñ£¿Íø´«¹ú×ÔȻԤ¼Æ 8 Ô 27 Èտɲé½á¹û +17 ҽѧÀÏÄк¢ 2026-08-20 22/1100 2026-08-25 15:36 by ҽѧÀÏÄк¢
[»ù½ðÉêÇë] Èç¹û´Ë¿ÌÄãÕýÔÚΪ¹ú»ù¸Ðµ½½¹ÂÇ£¬²»·ÁÀ´ÌýÌýÕâÊס¶»ù½ðÖ®Íâ¡· +8 scalable 2026-08-24 8/400 2026-08-25 12:52 by jnhyjjm
[½Ìʦ֮¼Ò] µ¼Ê¦Í²ۣºÎÒÔõô̯ÉÏÁËÕâô¸ö¼«Æ·Ñо¿Éú£¡ +3 ËÕ¶«ÆÂ¶þÊÀ 2026-08-23 3/150 2026-08-25 10:35 by shisan1313
[»ù½ðÉêÇë] 2026ÄêµÄ¹ú¼ÒÉç¿Æ»ù½ðÏîĿͨѶÆÀÉóµÄйæÔòÓëж¯Ïò¡¢ÐÂÌôÕ½ +5 process2012 2026-08-23 7/350 2026-08-25 09:42 by huixian257
[»ù½ðÉêÇë] ½ñÌì»ù½ð»á³ö½á¹ûÂð£¿20260819 +17 kkkl_v 2026-08-19 18/900 2026-08-25 09:41 by windflowerwy
[»ù½ðÉêÇë] ÎÒÃæÉÏÍêµ°ÁË +13 ÇÒÌý»¢Ð¥ 2026-08-20 14/700 2026-08-25 09:10 by mrkang
[»ù½ðÉêÇë] ·¶½øÖоÙÒ»ÎĵÄÖÐÐÄ˼Ïë +7 Ñ׻ƹóëÐ 2026-08-22 8/400 2026-08-25 08:48 by ZJTJZ
[»ù½ðÉêÇë] ½¨Òé»ù½ð·¢²¼Ìáǰ¸ø³öÃ÷È·µÄʱ¼äµã +13 kulium 2026-08-21 16/800 2026-08-24 16:27 by superceng
[»ù½ðÉêÇë] ¿ÆÑй¶ùÌ«ÄÑÁË +18 ÎÒ4´ó°×²Ë 2026-08-20 19/950 2026-08-24 09:47 by ¿­¶÷¹ãÊ¢´ß»¯·ÖÎ
[»ù½ðÉêÇë] ½ñÌì·Å°ñÂ𣿠+15 ²¼²¼ºÍÒ»¶þ 2026-08-19 16/800 2026-08-23 09:55 by ÕÅ´ºÉú
[»ù½ðÉêÇë] ¿´À´½ñÌì²»»á·Å°ñÁË£¿ +8 chengyan1220 2026-08-21 11/550 2026-08-21 17:52 by dcqxinyang
[»ù½ðÉêÇë] ʱ¼ä´ÁÓÖ±äÁË +13 wuchongjun 2026-08-20 19/950 2026-08-21 17:21 by ×Ïɼ´¼
[»ù½ðÉêÇë] Ó¦¸ÃÊÇÏÂÖÜÈý26ÈÕ¹«²¼Á˰ɣ¿ +4 ¹þ¹þ¸ò£¿ 2026-08-21 4/200 2026-08-21 10:58 by Vivilian
[»ù½ðÉêÇë] ½ñÌì·Å°ñûϷÁ衃 +9 yuleib84 2026-08-19 11/550 2026-08-21 10:06 by gltch
[»ù½ðÉêÇë] »ù½ð°¡»ù½ð +4 longfie172 2026-08-20 4/200 2026-08-21 08:58 by mark mao
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û