Week - 4 - Crash Box Simulation

OBJECTIVE The primary objective of this assignment is to compare two simulations with different shell element properties. The comparison would be between the one with default properties and one with the following properties: Parameters  Comment  Ishell =24 QEPH 4 nodes shells are best combination of cost and accuracy.…

AIM: To simulate crash a crash test simulation of crash box impacting a rigid wall in LS Dyna. Objective To create a rigid wall in LS-Dyna Apply initial velocity of 50 kmph to the crash box. Run the simulation and compare results of crash box having thickness 1.2 mm and 1.5 mm respectively. The unit system followed is…

  1. Calculate the speed of sound in steel rail C=E/ρ        from the rad file we can get the material values of E and rho      E= 210000, Rho=0.0078      substitute the values, C= 210000/0.0078=5188.75 m/s   2.    calculate  Time taken…

 Aim: Follow the Quality Criteria and mesh the following component and assign thickness.   Procedures 1.First, import the side door inner panel model into HyperWorks. 2.Clean up the geometry of the components for obtaining better mid-surface. 3.get the midsurface extracted midsurface 4.After extracting the…

Aim: make a proper tetra mesh according to the criteria procedure cleanup the geometry before going to tetra mesh so we can achieve a proper mesh flow. there are 3  methods we can follow to achieve  the mesh first method is to make 2d mesh and convert it to 3d. 2nd method is to make tetra mesh by using utility-quick…

Aim : clean up the geometry, extract the mid surface and perform appropriate mesh for both clip and mounting bracket. 1)  set the interface to radioss   Click on the import icon on the main menu bar. Select the import geometry and choose the file, click on import. Then the file will be imported and will be shown…

Aim : is to extract a mid surface for the given model and perform 2-D meshing for the given quality criteria objectives To import the model into the Hypermesh module and check for geometrical errors and clear them so that we can extract a Mid surface. To set the quality criteria and mesh the parts using 2-D Shell mesh.…

Objective:  To generate midsurface and mesh the given backdoor sheetmetal component and assure good flow of mesh as well as quality criteria.  procedures: topology cleanup the given cad model while on topology clearance midsurface extraction lot of complicated fillets, so we need to extract the fillets seperately. extracted…

AIM  to simulate the drop test for mobile hitting on ground and after impact OBJECTIVES open the file as keyword manager  create the material card for mobile by using keyword manager and using the material as steel elastic give proper values add for rigid wall for elastic steel material and give appropriate values…

Aim F(u) = u3+9u2+4u use this equation and solve using both Explicit and Implicit Methods Objectives problem is solved by both an explicit and implicit analysis. In both cases an incremental load control scheme is used.      Explicit method Its a spatial discretization or we can say infinite to…

unit systems mass 1 kg   length1m  time1s  force1N  stress1pa energy1nm Density 1 kg/m3 young"s modulus velocity 56.33kmph gravity 9.8m/skg cm ms 1 kg 100cm 1000ms 10^4kg(cm^2mm^2) 10^3kg (cm^2 mm^2) 10^2(kg^2cm^2ms^2)   kg cm s 1 kg 100cm 1s 10^2kg(cm^2s^2) 10^2kgcm^2s^2) 10^4(kg^2cm^2 ms^2…

AIM :quality criteria, mesh the component given below and assign thickness  procedures  extract the mid surface check for the topology clearance by using autocleanup surface by attached check for washer splits give offset value 5 go for automesh mixed check quality criteria  give quality criteria values…

Objective: Mesh the Given component with the Size of 5 Units. Create 1D elements on the following component. Procedures: generate the mid surface. generate required mesh for the component. create 1d elements like rods bars and beam. assign the thickness apply required connections rbe2 rbe3 apply forces    …

Aim : Is to establish the appropriate connections for the given model   Procedures:   upload the geometry check for error sort into differrent pids start doing connections by operating nastran deck select the RBE2 holes and select many nodes and establish the connection using slave nodes    

Aim : For the given Rear view mirror component, check for the geometrical errors and mesh the Surfaces with the given 2D element Quality criterias Procedure : Upload the Geometry                 clearing geometrical errors              …

Aim :  1.Upload the geometry            2. check for topology           3.refine the geometry           4.After refining the geometry go for casting           5.put required  values for casting .    …

 1.Aim : To extract the mid surface   2.Procedures : Upload the geometry into the interface   3.clearing the topology errors  4.Enter the mesh parameters   5.Take  appropriate steps to make mid surface 6.Start Doing meshing. 7.Once the mesh complete draw shell as solid.    …

Aim: To exctract the mid surface and mesh the given geometry procedure 1) Upload the step file geometry into the interface .                 2) Start clearing the topo                                    3) Removing Unwanted cuts                                                4) Getting midsurface extracted            …

Aim : To mesh the given geometry. procedure : 1) Upload the file into interface                   2) Cleanup the geometry.                   3) Extract the mid surface. even though its a  sheet metal, some parts have variable…

AIM : To get mid surface extracted and find best mesh flow Procedure : 1) Do topology after uploading geometry                   2) Cleanup the geometry                   3) Set Pid for different parts in the geometry( I learned this…