Abaqus中X,Y,Z方向上动力震动加速度怎么加？

我花了1个小时讲了如何加载加速度做扫频分析。你可以搜索扫频分析就可以搜索到

SAIC MOTOR上海汽车 Load case no. Powertrain Mounting System Analysis load cases 动力总成悬置系统工况分析 ‘g'load on powertrain "Torque Acting on powertrain扭矩作用于动力总成 " Load case type负载案件类型 x y z 1 "Static design position (Under PT self weight)静态设计位置 " -1 "Typical典型 " 2 Max forward engine torque**发动机最大向前扭矩 -1 see formula(1)公式 below Typical 3 "Max reverse engine torque**发动机最大向后扭矩 " -1 see formula(2) below Typical 4 Max forward engine torque ＆ forward acceleration**发动机最大扭矩与向前加速度 FWD(+0.5g) 0.5 -1 "Load case 2负载的情况下 " Typical RWD(+0.6g) 0.6 -1 Load case 2 Typical AWD(+0.7g) 0.7 -1 Load case 2 Typical 5 Max forward engine torque ＆+1g left cornering左转弯** 1 -1 Load case 2 Typical 6 Max forward engine torque ＆-1g right cornering** -1 -1 Load case 2 Typical 7 "Max forward engine torque ＆-2g bump颠簸** " -3 Load case 2 Typical 8 "Max forward engine torque ＆+2g rebound反弹** " 1 Load case 2 Typical 9 "Max reverse engine torque & rearward**发动机最大扭矩和扭转向后 " FWD(-0.6g) -0.6 -1 Load case 3 Typical RWD(-0.5g) -0.5 -1 Load case 3 Typical AWD(-0.6g) -0.6 -1 Load case 3 Typical 10 "8KPH front bumper (-11g)向前碰撞 " -11 -1 none "Extreme极端 " 11 8KPH real bumper (+11g) 11 -1 none Extreme 12 vertical up loading (+5g)垂直向上加载 4 none Extreme 13 vertical down loading (-5g)垂直向下加载 -6 none Extreme 14 "Lateral left loading 左横向载荷 " -3 -1 none Extreme 15 "lateral right loading 右横向载荷 " 3 -1 none Extreme 16 Vertical +5g up & -3g lateral left loading -3 4 none Extreme 17 Vertical +5g up & +3g lateral right loading 3 4 none Extreme 18 Vertical -5g down & -3g lateral left loading -3 -6 none Extreme 19 Vertical -5g down & -3g lateral right loading 3 -6 none Extreme 20 Up rough road (+3.5g)粗糙路面 2.5 none Typical 21 Down rough road (-3.5g) -4.5 none Typical 22 "Forward longitudinal loading (-3g)向前纵向载荷 " -3 -1 none Typical 23 Rearward longitudinal loading (+3g)向后纵向载荷 3 -1 none Typical 24 "Forward rockcycle向前循环晃动/snap-clutch torque**单元离合器扭矩 " -1 See formula(3）or (4)below Extreme 25 Reverse rockcycle向后循环晃动/snap-clutch torque** -1 See formula(3）or (4)below Extreme 26 Static design position (with 1g displacements)静位移 -1 none Typical 27 "Forward partial torque*向前部分扭矩 (5/8 Forward WOT) " -1 As srated Typical 28 Reverse partial torque*向后部分扭矩 (5/8 Reverse WOT) -1 As srated Typical

DYNA 中是BOUNDARY_PRESCRIBED_MOTION_SET