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xiaobu931224гæ (³õÈëÎÄ̳)
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Fe»ùÄÉÃ×¾§Èí´ÅºÏ½ð´Å»¯ÇúÏß´ÅÖÍ»ØÏß·ÂÕæÓöµ½ÁËÀ§ÄÑ£¬´ÅÖÍ»ØÏߵľØÐαȳ¬¹ýÁË80%£¿²»ÖªµÀÔõôµ÷ÕûÁË£¿ ³õʼ´Å»¯×´Ì¬ÊÇÉèÖóÉÁËrandom£¬ÄÉÃ×¾§Á£ÉèÖõÄÊÇÁ¢·½¸÷ÏòÒìÐÔ£¬·½ÏòΪ£¨1 0 0£©£¬£¨0 1 0£©£¬µ«ÎÄÏ×ÖеÄÊǾ§Á£È¡ÏòËæ»ú·Ö²¼¡£·Ç¾§ÏàÈÏΪ²»´æÔڴž§¸÷ÏòÒìÐÔ£¬ÕâÑùÉèÖ㬷´´Å»¯¹ý³ÌÊ£´ÅºÜ´ó£¬´ÅÖÍ»ØÏß½Ó½ü´Å¾Ø²ÄÁÏ¡£¸½ÉϳÌÐò # MIF 2.1 # MIF Example File: jingtaitexing.mif # Description: Simulation of an array of spherical particles. # set pi [expr {4*atan(1.0)}] set mu0 [expr {4*$pi*1e-7}] RandomSeed 1 Parameter ball_radius 5e-9 ;# meters Parameter ball_x_offset 5e-9 ;# meters Parameter ball_y_offset 5e-9 Parameter ball_z_offset 5e-9 Parameter ball_x_spacing 10e-9 ;# meters Parameter ball_y_spacing 10e-9 Parameter ball_z_spacing 10e-9 Parameter cellsize 5e-9 ;# meters Parameter P1 0 Parameter P2 1 proc SphereGrid { x y z } { global ball_radius global ball_x_offset ball_y_offset ball_z_offset global ball_x_spacing ball_y_spacing ball_z_spacing global P1 P2 # Determine position relative to grid set x [expr {fmod(abs($x-$ball_x_offset),$ball_x_spacing)}] if {2*$x>$ball_x_spacing} {set x [expr {$ball_x_spacing-$x}]} set y [expr {fmod(abs($y-$ball_y_offset),$ball_y_spacing)}] if {2*$y>$ball_y_spacing} {set y [expr {$ball_y_spacing-$y}]} set z [expr {fmod(abs($z-$ball_z_offset),$ball_z_spacing)}] if {2*$z>$ball_z_spacing} {set z [expr {$ball_z_spacing-$z}]} set radsq [expr {$x*$x+$y*$y+$z*$z}] set index1 [expr {$P1+1}] set index2 [expr {$P2+1}] if {$radsq>$ball_radius*$ball_radius} { return $index2 } return $index1 } # Atlas Specify Oxs_ScriptAtlas:atlas [subst { xrange {0 250e-9} yrange {0 250e-9} zrange {0 250e-9} regions { bccFe Amor} script SphereGrid script_args rawpt }] Specify Oxs_RectangularMesh:mesh [subst { cellsize {$cellsize $cellsize $cellsize} atlas :atlas }] Specify Oxs_Exchange6Ngbr { atlas :atlas A { bccFe bccFe 10e-11 bccFe Amor 7.75e-12 Amor Amor 6e-12 } } Specify Oxs_UniaxialAnisotropy:Amor [subst { K1 { Oxs_AtlasScalarField { atlas :atlas values { bccFe 0 Amor 1e5 } }} axis { Oxs_RandomVectorField { min_norm 1.0 max_norm 1.0 }} }] Specify Oxs_PlaneRandomVectorField:axis1 [subst { min_norm 1.0 max_norm 1.0 plane_normal {0 0 1} cache_grid :mesh }] Specify Oxs_CubicAnisotropy:bccFe [subst { K1 { Oxs_AtlasScalarField { atlas :atlas values { bccFe 8e3 Amor 0 } }} axis1 :axis1 axis2 { Oxs_PlaneRandomVectorField { min_norm 1.0 max_norm 1.0 plane_normal :axis1 cache_grid :mesh }} }] Specify Oxs_UZeeman [subst { multiplier [expr {0.001/$mu0}] Hrange { { 0 0 0 4000 0 0 400 } { 4000 0 0 -4000 0 0 800 } {-4000 0 0 4000 0 0 800 } } }] Specify Oxs_Demag {} Specify Oxs_CGEvolve { gradient_reset_angle 80 gradient_reset_count 50 energy_precision 1e-3 } Specify Oxs_MinDriver [subst { evolver Oxs_CGEvolve stopping_mxHxm 0.1 mesh :mesh normalize_aveM_output 0 Ms { Oxs_AtlasScalarField { atlas :atlas values { bccFe 10.3e5 Amor 9.2e5 } }} m0 { Oxs_RandomVectorField { min_norm 1.0 max_norm 1.0 }} }] |
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feng7118
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