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ʹÓõŤ¾ßÊÇAnsys12.0
ÓÉÓÚÊǼÆËã»úרҵµÄ ÒÔÇ°´ÓÀ´Ã»ÓнӴ¥¹ýANSYSÈí¼þ ¶ÔÁ¦Ñ§Ò²ÊÇÒ»Çϲ»Í¨
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/UNITS,SI
/FILNAME,MCM_CHIP
/TITLE,2D OVERLOAD SIMULATION OF MULTICHIP MODULE

!¶¨Òå·â×°Íâ¿Ç
*SET,ENCAP_WL,14.1E-3
*SET,ENCAP_HEIGHT,1E-3

!¶¨ÒåоƬ³ß´ç
*SET,CHIP_WL,ENCAP_WL/2
*SET,CHIP_HEIGHT,ENCAP_HEIGHT/4

!¶¨ÒåÒý½Å³ß´ç
*SET,PIN_X1,1E-3   !0.4E-3
*SET,PIN_X2,0.2E-3
*SET,PIN_X3,0.4E-3
*SET,PIN_HEIGHT,0.8E-3
*SET,PIN_THICK,4E-5
*SET,PIN_WIDTH,0.3E-3
*SET,PIN_DIST,0.8E-3
*SET,PIN_NB,16




!µ¥ÔªÀàÐÍ
/PREP7
ET,1,SOLID95
!É趨ΪƽÃæÓ¦±äÎÊÌ⣿
!KEYOPT,1,3,2


!¶¨ÒåоƬ²ÄÁÏÊôÐÔ
MP,EX,1,131E9
MP,PRXY,1,0.30
MP,DENS,1,2300
!MP,ALPX,1,2.8E-6

!¶¨ÒåоƬϺ¸ÁÏ͹µãµÄ²ÄÁÏÊôÐÔ
MP,EX,2,30E9
MP,PRXY,2,0.35
MP,DENS,2,7298

!¶¨Òå·â×°²ÄÁÏ
MP,EX,3,3E9
MP,PRXY,3,0.38
MP,DENS,3,980

!¶¨ÒåÍ­ÊôÐÔ
MP,EX,4,115E9
MP,PRXY,0,33
MP,DENS,4,8900

BLOCK,-ENCAP_WL/2,ENCAP_WL/2,-ENCAP_WL/2,ENCAP_WL/2,0,ENCAP_HEIGHT

BLOCK,-CHIP_WL/2,CHIP_WL/2,-CHIP_WL/2,CHIP_WL/2,ENCAP_HEIGHT/2,CHIP_HEIGHT

K,100,-ENCAP_WL/2+ENCAP_WL/18,-ENCAP_WL/2+0.7*PIN_X1,ENCAP_HEIGHT/2
K,101,-ENCAP_WL/2+ENCAP_WL/18,-ENCAP_WL/2-0.3*PIN_X1,ENCAP_HEIGHT/2
K,102,-ENCAP_WL/2+ENCAP_WL/18,-ENCAP_WL/2-0.4*PIN_X1,0
K,103,-ENCAP_WL/2+ENCAP_WL/18,-ENCAP_WL/2-0.8*PIN_X1,0

k,104,-ENCAP_WL/2+ENCAP_WL/18+PIN_WIDTH,-ENCAP_WL/2+0.7*PIN_X1,ENCAP_HEIGHT/2
K,105,-ENCAP_WL/2+ENCAP_WL/18,-ENCAP_WL/2+0.7*PIN_X1,ENCAP_HEIGHT/2+PIN_THICK

LSTR,100,101
LSTR,101,102
LSTR,102,103
LSTR,100,104
LSTR,100,105

K,1000,ENCAP_WL/2-0.7*PIN_X1,ENCAP_WL/2-ENCAP_WL/18,ENCAP_HEIGHT/2
K,1001,ENCAP_WL/2+0.3*PIN_X1,ENCAP_WL/2-ENCAP_WL/18,ENCAP_HEIGHT/2
K,1002,ENCAP_WL/2+0.4*PIN_X1,ENCAP_WL/2-ENCAP_WL/18,0
K,1003,ENCAP_WL/2+0.8*PIN_X1,ENCAP_WL/2-ENCAP_WL/18,0

k,1004,ENCAP_WL/2-0.7*PIN_X1,ENCAP_WL/2-ENCAP_WL/18-PIN_WIDTH,ENCAP_HEIGHT/2
K,1005,ENCAP_WL/2-0.7*PIN_X1,ENCAP_WL/2-ENCAP_WL/18,ENCAP_HEIGHT/2+PIN_THICK

LSTR,1000,1001
LSTR,1001,1002
LSTR,1002,1003
LSTR,1000,1004
LSTR,1000,1005

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Çó½â¹ý³ÌÖгöÏֺܶàÖÖÀàÐ͵ĴíÎó
*** ERROR ***                           CP =     166.750   TIME= 09:15:49
Sparse Matrix The solver has failed.  Please check the error file fodr   
possible causes.

*** ERROR ***                           CP =     166.750   TIME= 09:15:49
Bisection may be activated if it is a nonlinear analysis.   

*** ERROR ***                           CP =     170.328   TIME= 09:01:30
There is not enough memory for the Sparse Matrix solver to proceed.     
Please increase the virtual memory on your system and/or increase the   
work space memory and rerun ANSYS.  The memory currently allocated by   
ANSYS = 764 MB.  The memory allocation attempted = 376 MB.  The         
largest block of ANSYS memory available for the Sparse Matrix solver =  
311 MB.

*** WARNING ***                         CP =      33.609   TIME= 08:56:12
Mid-nodes of some elements have been modified to lie on straight edges  
because of distortion with the original mid-nodes.  This condition is   
sometimes eliminated by tetrahedron element improvement when enabled.   
Issue ESEL,,STRAIGHTENED to select such elements for listing or         
plotting.                                                               

*** WARNING ***                         CP =      38.734   TIME= 08:56:24
Shape testing revealed that 1 of the 308131 new or modified elements   
violate shape warning limits.  To review test results, please see the   
output file or issue the CHECK command.                                 

*** WARNING ***                         CP =      54.984   TIME= 08:57:44
Previous testing revealed that 1 of the 308131 selected elements        
violate shape warning limits.  To review warning messages, please see   
the output or error file, or issue the CHECK command.   

*** ERROR *** --×îºËÐĵĴíÎó@@                          
A small negative equation solver pivot term has been encountered at the
UZ degree of freedom of node 2194.  Check for an insufficiently         
constrained model.     

ÎҸоõ»¹ÊÇÇ°Ã沿·Ö½¨Ä£²¿·Ö»òÕßÊÇÍø¸ñ»®·Ö»¹ÓÐÔ¼ÊøµÄ¶¨ÒåÉϳöÁËÎÊÌ⣬ӰÏìÁ˺óÃæ½á¹ûµÄ¼ÆË㣬Çë´ó¼Ò°ïæ¿´Ò»¿´£¬ÒòΪÊdzõѧ£¬ºÜ¶àÎÊÌâÒ²Ðí·¸µÄºÜµÍ¼¶£¬Çë´ó¼Ò°ï°ï棬ллÁË£¡£¡£¡£¡

[ Last edited by yangshuyin on 2010-11-16 at 11:08 ]
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