Challenge

Project 1 : CFD Meshing for Tesla Cyber Truck

Aim: CFD meshing in Tesla cyber truck

Procedure: To perform CFD meshing in cyber truck by using following steps:

(a)Topo cleanup

(b) PID generation

(d) Create wind tunnel

(e) Meshing-Volumetric mesh

Step 1: Topo cleanup

File---->Open--->select the object; Import the Tesla Cyber Truck (TCT) in the ANSA window
Initially we have to observe the given model is symmetric or not; From that our given model is symmetric so create the hotpoints in the center axis of the truck and delete the half part of the model for easy access.
Identify the errors in the TCT model which is check the single cons and triple cons.
Close the holes in the model by using Faces--> New--->COONS or select fill hole and create the new face and close it
Check the Single cons and clear it by using faces-->cut; faces---> New options
Clear the unwanted hot points; Hot points---> Delete

Fig 1: Initial model

Fig 2: Topo clean up in windows

Step 2: PID generation

After finishing the topo cleanup, we will generate the PIDs for each part.
Go to PID tool--> new-->Pshell---> give the names |(body, tyres, windows)
Then assign the part by clicking apply and select the part and middle click in mouse.
Check finally all the parts are assigned or not.
Select compress tool for removing unwanted remaining PID

Fig 3: PID generation

Step 3: Surface Meshing

Select each part and giving the quality criteria and meshing parameters
Then select the Length--> perimeters---> macros--> give the target length for the particular object;
By using PID manager, hide the parts and do the meshing; once meshing with tyres; click faces--> frozen and then do for next part;
After meshing clear the off elements which present in the part;
Once all the parts are meshed; deselect the frozen parts; faces--> unfrozen
Afterthat create hot points in the center axis to do symmetry
Seelct transform--->copy--> entities--> select the object-->select the axis-->finish
The mirror object will be appear perfectly; if any single cons are there select faces-->paste option or clear the errors in the model.

Fig 4 (a) Windows and tyres: before meshing

Fig 4 (b) Windows and tyres: after meshing

Fig 5 (a) Body ; before meshing

Fig 5 (b) : Body; after meshing

Fig 5 (c) Body; meshing in clear view

Fig 6: TCT after symmetry

Step 4: Wind Tunnel Generation

To generate the wind tunnel create the hot points as a reference point in the base of the TCT;
Then select the points---> relative and give the distance dz=-1000
Measure the distance of the x direction, y direction by measure option to choose the relative points; dx, dy and dz
Once the relative points are created; make the lines using curves--> new--> select the points
Then create the faces; Faces--> new
After creating the new faces at the bottom delete all the reference point as well as delete all the curves and click faces--> offset--> give the distance of offset top faces
The top face will be created and then make the side faces by faces--> new option
Create the PIDs for the windtunnel; top. side and bottom faces
Then create the surface meshing of the wind tunnel by giving the perimeter and macros length
Finally finish it with mesh---> CFD mesh--> visible

Fig 7 : Wind Tunnel

Fig 8: Wind Tunnel after meshing

Step 5: Volumetric Meshing

Inorder to create the volumetric mesh; initally define the objects; remove the unnecesary parts and perform the volumetric mesh.

Fig 9: Final model before volumetric mesh

Final results:

Tesla cyber truck model is perfectly cleared the geometrical errors and performed the surface meshing without off elements.
All the errors are cleared in surface meshing.
Generated wind tunnel and meshed successfully

Ship work like this
in your own course.