Project - 2 - Meshing on the suspension Assembly

AIM:

1.IMPORTING REAR CAR SUSPENSION GEOMETRY INTO ANSA.

2.CLEANUP GEOMETRY UNTIL NO TOPOGRAPHICAL ERRORS ARE FOUND.

3.GENERATE MID SURFACE.

4.IMPROVE THE MESH FLOW AND SOLVE OFF ELEMENTS ACCORDING TO GIVEN QUALITY CRITERIA.

5.GIVE CONNECTIONS FOR REAR SUSPENSION FOR NVH ANALYSIS.

PROCEDURE:

1.IMPORT THE GEOMETRY INTO ANSA AND SO TOPO TO STITCH THE SURFACES.ISOLATE EACH PART AND SET PID FOR THE REAR SUSPENSION GEOMETRY.

2.CLEAN UP THE GEOMETRY AND ALSO CLEAR THE ERRORS IN THE GEOMETRY,ENEABLE UNCHECKED FACES.MANUALLY WE CAN OPT FOR RELEASE,CUT,PASTE ETC.

3.SURFACE MESHING FOR RIM:ONE CAN DO MESH GENERATION FOR TYRE AND RIM EITHER BY MESHING THEM MANUALLY USING SPOT MESH OR BY BATCH MESH.

THE ADVANTAGE OF BATCH MESH IS THAT ANSA WILL DO TOPOLOGICAL CLEANUP AUTOMATICALLY WHICH IS A TIME SAVING PROCESS .EVEN THOUGH SOMETIMES WE MUST CLEAR SOME ERRORS MANUALLY AFTER BATCH MESHING ALSO.

MESH GENERATION USING BATCH MESH OPTION :CREATE PART ID,ASSIGN THE MID SURFACE,OPEN THE BATCH MESH ,UPDATE THE CONTENT CLICK RUN TO GENERATE BATCH MESH.

VOLUME MESH GENERATION FOR TYRE AND RIM:AFTER CLEARING ALL THE OFF ELEMENTS ON THE SURFACE MESH ONE CAN PROCEED FURTHER TO VOLUME MESH GENERATION.

VOL MESH CAN BE CREATED IN ANSA ONLY IF IT RECOGNISES THE GEOMETRY AS ACLOSED VOLUME.THEREFORE WE MUST MANUALLY UPDATE OUR MODEL TO CLOSED VOLUME ONE MUST DEFINE VOLUME.

ANSA MIGHT CRASH IF YOU GENERATE VOLUME MESH FOR WHOLE GEOMETRY WE CAN ONLY GO PART BY PART.

CONNECTION :AFTER COMPLETION OF MID SURFACE WE HAVE CONNECT THE PERTS USING BOLT CONNECTION ,SPOT WELD CONNECTION,SEAM WELD CONNNECTION ETC,

CLUSTER OR SPIDER RB2:THIS CONNECTION IS USED WHEN A MANUAL BOLT CONNECTION MUST BE DEPLOYED BETWEEEN TWO ORMORE SURFACE.

SPOT WELD:SOLID CONNECTION DEPLOYED BETWEEM 2 FACES.

TRANSFORM:

USE TRANSFORM AND SELECT ALL THE ENTITIES INCLUDING CONNECTIONS TO GENERATE EXACT REPLICA OF THE MODEL ON THE OTHER SIDE.

LEARNING OUTCOMES:

ABLE TO TOPOLOGICALLY CLEANUP THE GEOMETRY AND ERRORS.

ASSIG THE SEPARATE PIDS FOR DIFFERENT SURFACES AND VOLUMES

ABLE TO GENERATE MID SURFACE AND VOLUME MESH

AWARE OF ALL THE QUALITY CRITERIA AND MESH PARAMETERS DURING MESH GENERATION.

UNDERSTOOD THE CONCEPTS REGARDING CONNECTIONS,NVH ANALYSIS.

CONCLUSION:

THE MID SURFACE AND VOLUME MESH HAS BEEN GENERATED

M: