ADS VIA 仿真问题

92434dianzi

仿真 SFP 信号在16层 板子上   VIA 及隔离焊盘+ 伴地孔    仿真报错     不能得到  仿真结果    提示如下  烦请高手指教  谢谢
Starting FEM simulation.
Setting environment for using simulator engine
Setting EMPROHOME to C:\Program Files\Keysight\ADS2020\fem\2020.00\win32_64\bin\
Setting PYTHONHOME to C:\Program Files\Keysight\ADS2020\fem\2020.00\win32_64\bin\tools\win32\python
+ o6 i1 s7 Z. |& ?7 x  C( rLicense checkout started
1 U/ O# e( l4 VLicense checkout completed

CONFIGURATION VARIABLES WITH NON-DEFAULT VALUES:
                                        Actual             Default

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FEM engine                : 370.000 2019-07-17
( X: S. `% b/ B6 O" \: ^4 v& x; cFEM solver                : 1.2.0
AFS                       : 3.1.1
1 ]" M) |/ x2 M7 v" Y; n/ t+ q7 OMachine                   : DESKTOP-R8LHUK0
9 K! V4 e  z" qMaximum number of threads : Automatic
Maximum number of solvers : 1
Date                      : Tue Nov 17 13:59:55 2020
; M2 y5 D6 w0 K4 j& ]8 TDesign                    : D:\fangzhen\fangzheng\MG22_VIA\MG22_VIA_wrk\simulation\viad\%V%I%A_%S%F%P_%T%X\000001\emds_dsn\design
FEM Mesher: 2.0.3
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  ?4 n' Q# m: w! B' VAutomatic initial target mesh size: 5.00e+00 mm
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# N1 t/ N$ ^! E: q6 T4 l4 xAutomatic conductor meshing summary:
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7 y. T6 O2 p) O    Port endpoint at (-1.7018 mm, 0.14732 mm, 1.49885 mm) : 128 mm estimated, 128 mm used
* t# j" ~/ A7 k# v4 M4 P" n    Port endpoint at (-1.7018 mm, 0.14732 mm, 1.61303 mm) : 0.152 mm estimated, 0.152 mm used
& _1 Q" Y7 X3 X/ ~& u    Port endpoint at (-1.7018 mm, -0.14732 mm, 1.49885 mm) : 128 mm estimated, 128 mm used
    Port endpoint at (-1.7018 mm, -0.14732 mm, 1.61303 mm) : 0.152 mm estimated, 0.152 mm used
    Port endpoint at (63.8556 mm, 0.1524 mm, 1.49885 mm) : 128 mm estimated
# R& U7 `& j% Y# `8 i. j    Port endpoint at (63.8556 mm, 0.1524 mm, 1.4036 mm) : 0.124 mm estimated
    Port endpoint at (63.8556 mm, -0.1524 mm, 1.49885 mm) : 128 mm estimated
0 q5 D7 X4 n! w( d' w$ _/ V    Port endpoint at (63.8556 mm, -0.1524 mm, 1.4036 mm) : 0.124 mm estimated
emds_mesher failed to complete successfully:
) g. Y6 \/ o/ mOne or more faces failed to mesh: aborting.
Please load the file design_failed_faces.sat in D:\fangzhen\fangzheng\MG22_VIA\MG22_VIA_wrk\simulation\viad\%V%I%A_%S%F%P_%T%X\000001\emds_dsn\design to examine the areas which failed to mesh
Please examine the geometry near the failed faces. Look for:
" s6 z3 F/ e1 i        small gaps between objects
        illegal geometries using the Geometry Inspection command
Tips:
        Isolate the parts which are causing the mesh failure by excluding other parts from the mesh incrementally.
# f% m8 Y# q& y0 F& \, U1 ^  Z1 G        Simplify the parts which are not meshing by using mesh priority instead of boolean operations
1 }1 V# w  ]  z* @: [! F3 J6 e(<type 'exceptions.Exception'>, Exception('3d mesh generation failed with errors. Check the error message for details. ',), <traceback object at 0x0000000006C1C308>)  File "C:\Program Files\Keysight\ADS2020\fem\2020.00\win32_64\bin\empro\toolkit\engine_support\fem\state_machine\x_emds.py", line 1094, in mesh
    self.callEmdsMesher('level'+str(currentLevel+1))
$ F8 ^' O' J  j# c  j. p2 G( V  File "C:\Program Files\Keysight\ADS2020\fem\2020.00\win32_64\bin\empro\toolkit\engine_support\fem\state_machine\x_emds.py", line 1053, in callEmdsMesher
3 N8 u& p/ a0 t9 F* R6 i0 `9 g    self.genericEmdsCall_2("mesh", command)
  File "C:\Program Files\Keysight\ADS2020\fem\2020.00\win32_64\bin\empro\toolkit\engine_support\fem\state_machine\x_emds.py", line 1340, in genericEmdsCall_2
    raise Exception(message)

  \& n9 m, ~" t9 Z' U1 NTraceback (most recent call last):
4 q/ W4 H* A/ k( q3 P( X  File "C:\Program Files\Keysight\ADS2020\fem\2020.00\win32_64\bin\empro\toolkit\engine_support\fem\state_machine\x_emds.py", line 708, in simulate
    self.simulate3D()
  File "C:\Program Files\Keysight\ADS2020\fem\2020.00\win32_64\bin\empro\toolkit\engine_support\fem\state_machine\x_emds.py", line 459, in simulate3D
    self.simulate3D_refine()
6 n, B0 N+ d& x- h7 g! h  File "C:\Program Files\Keysight\ADS2020\fem\2020.00\win32_64\bin\empro\toolkit\engine_support\fem\state_machine\x_emds.py", line 585, in simulate3D_refine
/ u% Z9 {+ [6 L* }) |7 z    self.initialSolve()
0 ~- |# w& |7 e5 H6 ?4 t6 z  File "C:\Program Files\Keysight\ADS2020\fem\2020.00\win32_64\bin\empro\toolkit\engine_support\fem\state_machine\x_emds.py", line 281, in initialSolve
" {8 W) L* k' O! K- [* v    self.mesh(resultDir,resultDir, []);                               # initial meshing
% R+ Z, x' M5 K5 y. l4 Z( N9 \: k  File "C:\Program Files\Keysight\ADS2020\fem\2020.00\win32_64\bin\empro\toolkit\engine_support\fem\state_machine\x_emds.py", line 1094, in mesh
    self.callEmdsMesher('level'+str(currentLevel+1))
  File "C:\Program Files\Keysight\ADS2020\fem\2020.00\win32_64\bin\empro\toolkit\engine_support\fem\state_machine\x_emds.py", line 1053, in callEmdsMesher
+ e% v8 E" U% m# T! F    self.genericEmdsCall_2("mesh", command)
% H0 i: r( K4 T" H7 p+ Y# l; M  File "C:\Program Files\Keysight\ADS2020\fem\2020.00\win32_64\bin\empro\toolkit\engine_support\fem\state_machine\x_emds.py", line 1340, in genericEmdsCall_2
    raise Exception(message)
Exception: 3d mesh generation failed with errors. Check the error message for details.
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DISTRIBUTION SUMMARY:
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8 F6 u. K2 a& U; H: h( ^6 K====================
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Simulation did not succeed.
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! V5 m- O; b4 R2 v  Total Elapsed Time = 0:12:58
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& a% K; E3 K4 V$ x, uSimulation results can not be reused
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Markdu

small gaps between objects5 H; D. }3 X# E/ @4 d' [
        illegal geometries using the Geometry Inspection command.
3 n( L1 @. j; L+ V7 F应该有些小孔隙，导致软件没法做网格剖分

92434dianzi

Markdu 发表于 2020-11-17 16:48
8 K8 z. k! @+ j4 z& I+ E5 ?small gaps between objects5 H; D. }3 X# E/ @4 d' [
( N- b- F/ Z! @) \" ]2 s% o        illegal geometries using the Geometry In ...

谢谢你

marco9369

感謝~學習到知識