Week 4 Challenge : CFD Meshing for BMW car

AIM: CFD MESHING FOR A BMW CAR

PROCEDURE:

1)TOPO CLEANUP

2)PID ASSIGNMENT

3)MESHING WITH GIVEN QUALITY CRITERIA

4)WIND TUNNEL CREATION

5)VOLUMETRIC MESHING

DESCRIPTION:

1)TOPO CLEANUP PROCESS

A)Topo cleanup starting with half portion after adjusting the length of cons

B)Grills portion

C)Logo cleanup

D)Rim and Tyre portion cleanup

E)Topo cleanup done for all area

2)PID ASSINGMENTS

3)MESHING WITH GIVEN QUALITY CRITERIA:

A)LOGO PID MESHING DONE BY 1MM WITH THE OUTPUT OF ZERO OFF ELEMENTS:

B)GRILLS MESHING BY 1MM MESH LENGTH AND OFF ELEMENTS ARE ELIMINATED

C)WINDOW PID MESHING WITH 2MM MESH LENGTH

D)LIGHTS MESHING WITH 4MM MESH LENGTH

E)RIMS AND TYRES

F)SILENCER MESHING WITH 3MM MESH LENGTH

G)MESHING OF REAR VIEW MIRROR FOR 2MM MESH LENGTH WITH ZERO OFF ELEMENTS

H)MESHING OF BODY PARTS FOR 3MM MESH LENGTH WITH RESULT OF ZERO OFF ELEMENTS:

4)GETTING ANOTHER HALF PORTION OF THE CAR BY MIRROR OPTION

5)FINALLY GEOMETRY CHECK DONE AND FOUND THERE IS NO ERROR

6)WIND TUNNEL CREATION:

A)ASSIGNMENTS OF PIDS FOR WIND TUNNEL

B)SPACING DONE FOR SIDE SURFACE OF WIND TUNNEL FROM 20MM TO 100MM

7)VOLUMETRIC MESHING

A)VOLUMES DETECTED BY ANSA (TOTALLY 8 VOLUMES)

B)REQUIRED VOLUME FOR CFD ANALYSIS OF BMW CAR

CONCLUSION:

CFD MESHING OF BMW CAR FOR A GIVEN QUALITY CRITERIA WAS SUCCESSFULLY DONE.

Note: ANSA file is too large to upload. So i am not able to attach the ansa file with this report