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Project 1 : CFD Meshing for Tesla Cyber Truck
Aim To mesh volumetric mesh for Testla cyber Truck for CFD Analysis COMMAND USED SURFACE CONNS Fill Holes Patch the hole with close loop single coon Faces cut or uncut cut the face from the point to edge or point, uncut the selected edge New Conns patch the single conns Point relative…
Jagaveerapandiyan selvaraj
updated on 20 Jun 2023
Aim
To mesh volumetric mesh for Testla cyber Truck for CFD Analysis
COMMAND USED
SURFACE
CONNS
Fill Holes
Patch the hole with close loop single coon
Faces
cut or uncut
cut the face from the point to edge or point, uncut the selected edge
New
Conns
patch the single conns
Point
relative
with reference point new point created with co-ordinate
curve
create a curve with respect to points
Clean UP
symmetry clean up
geometry check-up
geometry error has been rectified and check the geometry
Clean up
remove single conn by patching the edges
Geometry check
check the geometry error like single conn, penetration
MESHING
2D Tetra Mesh
Meshing Each Component
COMMAND
SET MESH MESH PARAMETER AND QUALITY criteria for different parts with is mention
Mesh Generated Tool
CFD Meshing- auto-sizing ing meshing according to average sizing
Free mesh- constant mesh size
Mesh Edit Command
Grids
move- move the node
align - align the model points
Element Quality
finding minimum and maximum size using distance command spacing set for different parts
Body
min- 3mm
max- 100 mm
Tire
min-1 mm
max-10 mm
EXTERNAL CONTROL VOLUME SURFACE
External Volume (CV) 2D MESH
TOP & BOTTOM SURFACE
MINIMUM- 300 MM
MAXIMUM- 500 MM
SIDE SURFACE BIASING 2D MESH
set min 100 with biasing factor- 0.75
Volumetric Mesh
PROCEDURE
- Initially, the geometry is cut in half and deleted due to the symmetry nature of the truck for simplicity
- clean up the truck using the new surface creation tool
- check the cleanup geometry using the check-geometry command to make sure no error
- 2D Tetra mesh is done for the body and tyres with a different mesh size check the mesh size by specifying quality criteria
- copy of mesh truck to obtain full car truck with 2D Mesh
- check the 2D mesh quality and edit the mesh using mesh editing command
- the external surface is created to capture control volume and 2D, the mesh is done with the top and bottom mesh with constant mesh surfaces that specify side mesh with biasing meshing method so it captures fine mesh at bottom & top bigger cells
- Volumetric Mesh is done
PROBLEM FACED
minimum mesh size cannot be done this is due to overload for the system
Due to overload in mesh cell software closed many times, this is rectified by reducing mesh cell but it is not advisable to take mesh count as a conclusion without grid independent study so further quality increase leader system power
conclusion
Tesla cyber Truck is clean up, and the external volume mesh is done successfully
File Link
https://drive.google.com/file/d/1As_GE2xt-qW1nsKHtpEmAvaDMoh4qUrX/view?usp=sharing
Gratitude
Skill lync team for support and course
Rajesh for the wonderful support in the course
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Read more Projects by Jagaveerapandiyan selvaraj (66)
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AIM To Design the transfer function of a spring mass damper system using PID Description Spring Mass Damper Governing Equation The free-body diagram for this system is shown below. The spring force is proportional to the displacement of the mass, and the viscous damping force is proportional…
29 Nov 2023 03:47 PM IST
Project 1 : CFD Meshing for Tesla Cyber Truck
Aim To mesh volumetric mesh for Testla cyber Truck for CFD Analysis COMMAND USED SURFACE CONNS Fill Holes Patch the hole with close loop single coon Faces cut or uncut cut the face from the point to edge or point, uncut the selected edge New Conns patch the single conns Point relative…
20 Jun 2023 07:11 PM IST
Week 5 Challenge : Surface wrap on Automotive Assembly
AIM To Create surface wrap for Engine, Transmission, Gearbox Objective Clean up the rings and unwanted surfaces and assemble to together to generate surface wrap COMMAND USED visual command OR(/)- view only selected AND(+)- a visible nearby entity of PID NOT(-) - Hid parts !NOT(!-) - only view selected or hide…
08 Apr 2023 03:59 PM IST
Week 4 Challenge : CFD Meshing for BMW car
Aim To Mesh BMW car for CFD External flow analysis OBJECTIVE volumetric Mesh of external tunnel for analysis To PROCESS clean up 2D Mesh external tunnel Volume 3D Mesh clean up Aim Clean up of BMW Car by deleting the symmetry portion except for Symbol which is not a symmetry model for ready for meshing objective…
01 Apr 2023 10:38 AM IST
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