strain rate与strain increment关系验证

model newmodel largestrain offzone create brick size 1 1 1zone cmodel assign elasticzone property young 1e8 poisson 0.35 density 1800zone face skinzone face apply velocity-normal 0 range group 'south' or 'north'zone face apply velocity-normal 0 range group 'east' or 'west'zone face apply velocity-normal 0 range group 'bottom'history interval 1zone history name 'xxInc' strain-increment quantity xx position  1 1 1 method constantzone history name'xxRate'  strain-rate quantity xx position111 method constantzone history name 'yyInc' strain-increment quantity yy position  1 1 1 method constantzone history name'yyRate'  strain-rate quantity yy position111 method constantzone history name 'zzInc' strain-increment quantity zz position  1 1 1 method constantzone history name 'zzRate'  strain-rate quantity zz position  1 1 1 method constantmodel gravity 9.81model solve history export 'xxInc' table '1'history export 'xxRate' table '2'history export 'yyInc' table '3'history export 'yyRate' table '4'history export 'zzInc' table '5'history export 'zzRate' table '6'fish def _dataTrans    loop i(1,72)        j = i - 1        table.x(7,i) = i        table.x(8,i) = i        table.x(9,i) = i        if i = 1            table.y(7,i) = table.y(1,i)            table.y(8,i) = table.y(3,i)            table.y(9,i) = table.y(5,i)        endif        if i > 1            table.y(7,i) = table.y(1,i) - table.y(1,j) ;xx rate            table.y(8,i) = table.y(3,i) - table.y(3,j) ;yy rate             table.y(9,i) = table.y(5,i) - table.y(5,j) ;zz rate        endif    endloopend@_dataTrans