flac3d5.0 range not found [复制链接]

def relax_xtj

        relax_coef=0.3 ;应力释放系数，取值0－1之间
        relax_m=1.0-relax_coef
        p_gp=gp_head
        loop while p_gp # null
                ;if in_range('xtj_relax',p_gp) = 1 then
                        if in_range('yp_relax',p_gp) = 1 then
                                xf=-gp_xfunbal(p_gp)*relax_m
                                yf=-gp_yfunbal(p_gp)*relax_m
                                zf=-gp_zfunbal(p_gp)*relax_m ;计算所需加的反向节点力
                                pid=gp_id(p_gp)
                                command
                                        apply xforce @xf rang id @pid
                                        apply yforce @yf rang id @pid
                                        apply zforce @zf rang id @pid ;加反向节点力
                                end_command
                     end_if
                ;end_if
                p_gp=gp_next(p_gp)
        end_loop
end

@relax_xtj
上面是命令行，注释了中间部分，但是余下部分运行时显示，range not found，请问是什么原因啊。

range name xtj_relax group 下台阶 y 0 12
range name yg_relax group 仰拱 y 0 12
上面是两个分组的命令行。