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donggaomin金蟲 (正式寫手)
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[求助]
壓電系數(shù)eij出現(xiàn)振蕩,沒有規(guī)律的原因?
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我計算了體系隨單軸應(yīng)變的增大,壓電系數(shù)的變化,但結(jié)果忽大忽小,沒有規(guī)律,是不是計算出了問題?請各位大俠出手相助! 結(jié)果如下: 應(yīng)變分別為 -0.03 ,-0.025,-0.02 ,-0.015,-0.01,-0.005,0.0 -------------------------------------------------------------------------- PIEZOELECTRIC TENSOR IONIC CONTR for field in x, y, z (C/m^2) -0.03((POTIM=0.005,SIGMA=0.01)) XX YY ZZ XY YZ ZX -------------------------------------------------------------------------------- x -0.78499 0.78538 0.00035 0.00000 0.00000 1.42734 y -0.00007 0.00010 -0.00004 0.78532 1.88427 0.00011 z 1.43876 1.43876 2.74846 0.00000 0.00000 0.00000 ------------------------------------------------------------------------------- PIEZOELECTRIC TENSOR for field in x, y, z (C/m^2) - 0.025 XX YY ZZ XY YZ ZX -------------------------------------------------------------------------------- -0.14382 0.14382 0.00000 0.00000 0.00000 -0.22102 0.00000 0.00000 0.00000 0.14382 -0.22022 0.00000 0.08721 0.08721 -0.56246 0.00000 0.00000 0.00000 PIEZOELECTRIC TENSOR IONIC CONTR for field in x, y, z (C/m^2) XX YY ZZ XY YZ ZX -------------------------------------------------------------------------------- -1.14962 1.14986 0.00015 0.00000 0.00000 1.57166 -0.00022 0.00028 0.00000 1.15002 1.45008 0.00018 1.55141 1.55141 2.18360 0.00000 0.00000 0.00000 ------------------------------------------------------------------------------------------ PIEZOELECTRIC TENSOR for field in x, y, z (C/m^2) -0.02 XX YY ZZ XY YZ ZX -------------------------------------------------------------------------------- -0.14510 0.14510 0.00000 0.00000 0.00000 -0.21981 0.00000 0.00000 0.00000 0.14510 -0.21798 0.00000 0.08856 0.08856 -0.56512 0.00000 0.00000 0.00000 PIEZOELECTRIC TENSOR IONIC CONTR for field in x, y, z (C/m^2) XX YY ZZ XY YZ ZX -------------------------------------------------------------------------------- -1.28561 1.28607 0.00028 0.00000 0.00000 2.08594 -0.00056 0.00070 0.00004 1.28632 2.63079 0.00058 1.15066 1.15066 3.46249 0.00000 0.00000 0.00000 ------------------------------------------------------------------------------------------- PIEZOELECTRIC TENSOR for field in x, y, z (C/m^2) -0.015 XX YY ZZ XY YZ ZX -------------------------------------------------------------------------------- -0.14555 0.14555 0.00000 0.00000 0.00000 -0.21764 0.00000 0.00000 0.00000 0.14555 -0.21802 0.00000 0.09499 0.09499 -0.56480 0.00000 0.00000 0.00000 PIEZOELECTRIC TENSOR IONIC CONTR for field in x, y, z (C/m^2) XX YY ZZ XY YZ ZX -------------------------------------------------------------------------------- -1.30060 1.30134 -0.00005 0.00000 0.00000 2.67737 -0.00063 0.00077 0.00007 1.30170 2.79497 0.00044 2.36204 2.36204 4.39749 0.00000 0.00000 0.00000 --------------------------------------------------------------------------------------- PIEZOELECTRIC TENSOR for field in x, y, z (C/m^2) -0.01 XX YY ZZ XY YZ ZX -------------------------------------------------------------------------------- -0.14685 0.14685 0.00000 0.00000 0.00000 -0.21475 0.00000 0.00000 0.00000 0.14685 -0.21524 0.00000 0.10020 0.10020 -0.56541 0.00000 0.00000 0.00000 PIEZOELECTRIC TENSOR IONIC CONTR for field in x, y, z (C/m^2) XX YY ZZ XY YZ ZX -------------------------------------------------------------------------------- -1.50900 1.50953 0.00006 0.00000 0.00000 3.45800 -0.00028 0.00043 0.00008 1.50978 2.87234 0.00063 1.91450 1.91450 3.71924 0.00000 0.00000 0.00000 ------------------------------------------------------------------------------------------- PIEZOELECTRIC TENSOR for field in x, y, z (C/m^2) - 0.005 XX YY ZZ XY YZ ZX -------------------------------------------------------------------------------- -0.14774 0.14774 0.00000 0.00000 0.00000 -0.21412 0.00000 0.00000 0.00000 0.14774 -0.21397 0.00000 0.10202 0.10202 -0.57013 0.00000 0.00000 0.00000 PIEZOELECTRIC TENSOR IONIC CONTR for field in x, y, z (C/m^2) XX YY ZZ XY YZ ZX -------------------------------------------------------------------------------- -0.74521 0.74545 0.00024 0.00000 0.00000 2.62339 -0.00004 0.00018 0.00012 0.74561 2.20171 0.00069 0.91455 0.91455 3.11095 0.00000 0.00000 0.00000 -------------------------------------------------------------------------------------- PIEZOELECTRIC TENSOR for field in x, y, z (C/m^2) 0.0 XX YY ZZ XY YZ ZX -------------------------------------------------------------------------------- -0.14724 0.14724 0.00000 0.00000 0.00000 -0.21241 0.00000 0.00000 0.00000 0.14724 -0.21239 0.00000 0.10896 0.10896 -0.56949 0.00000 0.00000 0.00000 PIEZOELECTRIC TENSOR IONIC CONTR for field in x, y, z (C/m^2) XX YY ZZ XY YZ ZX -------------------------------------------------------------------------------- -0.82170 0.82226 0.00028 0.00000 0.00000 2.81279 -0.00019 0.00040 0.00019 0.82230 3.14914 0.00054 1.60462 1.60462 3.29623 0.00000 0.00000 0.00000 比如只看e33離子項,就是振蕩的 請問原因是什么? 謝謝! |

金蟲 (正式寫手)

鐵桿木蟲 (小有名氣)
金蟲 (正式寫手)

金蟲 (正式寫手)

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