Bird Strike - Project - 2

G dive link: https://drive.google.com/drive/folders/1S18pT4BTUAOJ-_CcfmpdcvvKG5dY2Guq

Aim:

• The bird, casing, and the blades should be in different input files and there should be one main file referencing all the input files. The main file should contain only references. Control cards and boundary conditions should be there in another separate file. The reference include path should be such that the folder can be copied anywhere and it is able to correctly reference all the file and run the simulation.

Procedure:

• separate the main file into different part .k files
• create the appropriate boundary condition contcts and material
• create the main.k file
• include the required key words
• run the simulation

separate the main file into different part .k files

• the given file which consist of various parts like casing, hub,blade,and bird
• we want separte the each file in different names
• 
• 
• the above one example of separting the engine file only

Craeting the boundary condtion files

• to create the BC file> open the ls prepost and give title BC and add apporpriate cards in BC file and save it
• 
• The SPC is describe the fixed parts..
• control is describe the termination time
• data base is describe the data base history
• intial is describe the velcoity genration of hub and blade

• 

Craeting the material files

• 
• the blade material alredy given along the problem the material is Al
• in addition we want to create the bird as elastic material and engine casing, hub is we defining the steel propety
• 
• the unit of materilas is kg/mm3 for density,Gpa for young modulas as given statement we use the 200gpa for casing materials and the yeild stress also using the Gpa units 1gpa=1000mpa
• the Etan is not defined insted for lcss curve provided
• 
• as given statement we use the 2000Mpa for bird materials and we convert the 2000Mpa to 2Gpa
• 

Creating the contacts

• 
• the 3 type of contcats are used
• 1.automatic_surface2_surface which used the genreal contactfor surface and surface here the slave is blade and master is bird
• 2.forming_surface_2_surface which used to the avoid the penitration between to surface
• 3.tied_surface2_surface which used to describe the two parts are tied together(hub and blade)

Final file

• 
• After given the title of file save it
• use include cards add the path type
• here ..\ which inidicated the go up level one step and search the 01_parts floder \ indicate go to inside the floder and get the .k files
• the 1 to 4 indicated the parts.k file
• the 5-7 is material cards al,steel and bird
• 8 is BC
• 9 is Contacts

• to craete the required output like d3plot,ascii option control energy and etc..
• 
• the final all include files..

Simulation

Result:

• Through this simulation we learn the how the small bird which impacting the engine blade
• through this simulation we learn the how to inclde the multiple file floder .k file\
• we analysis various bc
•