FSI Demonstration

Hyun Kim(PDT 2)

02)6344-6528

hyun.kim@cd-adapco.com

File based coupling

– STAR-CCM+

– Abaqus

– Ansys

– Nastran

Co-Simulation

– From STAR-CCM+ to STAR-CCM+

– From STAR-CCM+ to Abaqus

Working with CAE products

Quasi-Steady Response

STAR-CCM+ 와 Abaqus 의 Mechanical Co-simulation

STAR-CCM+ Abaqus

– Pressure & Shear stress

Abaqus STAR-CCM+

– Nodal displacement

STAR-CCM+ 해석

Abaqus 해석

Co-Simulation 1: Plate Vortex Induced Vibration

Abaqus modeling

Abaqus *.inp file setting

STAR-CCM+ setting

Co-simulation setting(*.inp file)

Coupling setting

Running

Flow Chart

Input 파일 의 끝 부분에 아래 열을 추가하여 Coupling 옵션을 설정 해줌

* *

*CO-simulation, NAME=plate, PROGRAM=MULTIPHYSICS, CONTROLS=Control

*CO-SIMULATION REGION, TYPE=SURFACE, EXPORT

ASSEMBLY_FSI_INTERFACE, U

*CO-SIMULATION REGION, TYPE=SURFACE, IMPORT

ASSEMBLY_FSI_INTERFACE, CF *CO-SIMULATION CONTROLS, NAME=Control, COUPLING SCHEME=GAUSS-SEIDEL, SCHEME MODIFIER=LEAD, STEP SIZE=5E-4, TIME INCREMENTATION=SUBCYCLE, TIME MARKS=YES

* *

Abaqus input File Setting

Co-simulation & overset

Co-Simulation 2 : Thermal Coupling

STAR-CCM+ 와 Abaqus 의 Thermal Co-simulation

STAR-CCM+ Abaqus

– Heat flux

Abaqus STAR-CCM+

– Temperature

STAR-CCM+ 해석

– 유입 속도 : 10m/s

– 유입 온도 : 500K

Abaqus 해석

– 열전달 계수 : 6.667 W/m2-K

– 외부 온도 : 300K

Interface

*.inp File import

Extract fluid region

STAR-CCM+ file setting

Co-simulation setting

Running

Flow Chart

Input 파일 의 끝 부분에 아래 열을 추가하여 Coupling 옵션을 설정 해줌

**

*CO-SIMULATION, NAME=FSI-Thermal, PROGRAM=MULTIPHYSICS, CONTROLS=Control-1

*CO-SIMULATION REGION, TYPE=SURFACE, EXPORT

ASSEMBLY_INNER, NT

*CO-SIMULATION REGION, TYPE=SURFACE, IMPORT

ASSEMBLY_INNER, CFL *CO-SIMULATION CONTROLS, NAME=Control-1, COUPLING SCHEME=GAUSS-SEIDEL, SCHEME MODIFIER=LEAD, STEP SIZE=250, TIME INCREMENTATION=SUBCYCLE, TIME MARKS=YES

**

Abaqus input File Setting

Thank you !