Innovation Intelligence ® Workshop – Riser VIV
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. 学习内容 实用流固耦合的设置方法 ALE 网格运动的设置 模型文件： flexibleRing.acs OD= 0.15 m 顶部和底部在 6 个自由度都收到约束 （零位移，零转动） ID= m 杨氏模量 = 2.0 x 10 9 Pa 密度 = 1500 kg/m 3 泊松比 = m
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 1 ：导入几何模型 File > New ，新建模型文件 riser.acs File > Import 导入 Parasolid 几何文件 Riser_CFD.x_t
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 2 ：设置求解器基本参数 Global > Problem Description Global > Output > Nodal Output Global > Auto Solution Strategy
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 3 ：创建监测点 单击 Data Tree Manager 中的 BAS 右键单击 Global > Output > Time History Output ，选择 New 重命名为 Monitor Points ，双击 Monitor Points Read monitor.dat
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 4 ：设置初始条件 Global > Nodal Initial Condition
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 5 ：模型整理 右键单击 Model > Volumes ，选择 New ，重命名为 Fluid 右键单击 Fluid ，选择 Add to ，在图形区选择外流场区域，剩下的是 pipe 将 default 重命名为 Solid
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 6 ：设置网格参数 单击 Data Tree Manager 中的 MSH Global > Global Mesh Attributes 右键单击 Zone Mesh Attributes ，选择 New ，重命名为 Box_Large
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 6 ：设置网格参数 ( 续 ) 右键单击 Zone Mesh Attributes ，选择 New ，重命名为 Cylinder Model > Volumes > Solid > Volume Mesh Attributes
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 6 ：设置网格参数 ( 续 ) Model > Surfaces > Pipe > Surface Mesh Attributes
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 7 ：生成网格及网格变换 Tools > Generate Mesh MeshOp > Transform Coordinates
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 8 ：创建 Multiplier Function 单击 Data Tree Manager 中的 PB* 新建一个 Multiplier Function 这个 Multiplier Function 将被应用到 Flexible Body 的定义中，它的作用相 当于一个 damper ，让流体对固体慢慢 加力，使计算更稳定。
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 9 ：定义 Flexible Body 单击 Data Tree Manager 中的 FSI 新建一个 Flexible Body ，重命名为 Flexible Riser
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 10 ：设置流体属性 单击 Data Tree Manager 中的 BAS Model > Volumes > Fluid > Element Set
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 11 ：设置边界条件 右键单击 Model > Surfaces ，选择 Surface Manager 设置各个 Surface 上的 Simple BC Type
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 11 ：设置边界条件 ( 续 ) Model > Surfaces > Pipe > Simple Boundary Condition Model > Surfaces > Side_MaxZ > Simple Boundary Condition Model > Surfaces > Side_MinZ > Simple Boundary Condition
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 11 ：设置边界条件 ( 续 ) Model > Surfaces > Inlet > Simple Boundary Condition
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 12 ：设置移动节点 单击 Data Tree Manager 中的 BAS 右键单击 Nodes ，选择 New ，重命名为 8Layers 右键单击 8Layers ，选择 Define
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 13 ：导入模态文件 Tools > Eigenmode Manager 模态文件： Riser_PFSI.op2
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 13 ：导入模态文件 ( 续 )
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 13 ：导入模态文件 ( 续 )
Copyright © 2015 Altair Engineering, Inc. Proprietary and Confidential. All rights reserved. Step 14 ：保存并提交计算 Save Tools > AcuSolve