Week - 4 - 2D meshing for Plastic components

Aim: In this project, a children's headform model is used. we are supposed to replicate a scenario where this headform will impact on a car bonnet. The bonnet will be considered as a rigidwall for the 1st case and while using the meshed hood model a elasto-plastic material card would be used. From the simulation, the head…

WEEK 6 Calculate the stretch ratio by comparing the ELFORM (-2,-1,1,2 ) with Ogden_Material Model. Aim- Given is an Ogden material card which is hyperelastic (rubber). Create a 10x10x10mm solid mesh and run a pure tensile run on it with a stretch ratio of 5. Compare different element formulations of solids…

WEEK 5 CHALLENGE OBJECTIVE : To model the spotwelds for the given assembly of parts using beam and solid elements and the respective results are to be compared.   PROCEDURE: Import the .K File into LS-PREPOST: TO DO SO GOTO FILE >> OPEN >> LS DYNA KEYWORD FILE. FROM HERE WE CAN BROWSE .K FILE WHICH IS…

Objective: To take out mid surface and mesh the model with average element length of 5 units . To create the 1D element for given component with given cross section and DOF Rod element - Translational DOF should be constrained with RBE2 link (at A) Beam element - All elements should be constrained with the RBE3 link (at…

OBJECTIVE: To simulate a crash test for the given FE model of a crash box using LS-Dyna. Request for the given deliverables and compare the results for a 1.2 mm thick and 1.5 mm thick crash box. Deliverables ==> - Input .k file and output files (d3plot, gistat, sleout, rcforc) - Animation of the final simulation - The…

    AIM: To set up the solver deck file for the Mobile drop case. ABSTRACT: In this assignment, we are going to study the case of the mobile drop situation. This will be done by setting up the keyword necessary to mimic the actual condition. we will also assign the initial velocity card and set boundary conditions…

WEEK 2 -EXPLICIT AND IMPLICIT ANALYSIS    As demonstrated in the PDF, F(u) = u3+9u2+4u use this equation and solve using both Explicit and Implicit Methods ( have a tolerence of 0.001). Deliverables : 1. Write a detailed report about Implicit and explicit methods. 2. Do the calculations in a spreadsheet, try to plot the…

mass length  time  force stress  energy  density  youngs modulus  35 mph - 56.33 kmph  gravity  kg m s N pa j 7.83e+03 2.07e+11 15.65 9.806 kg cm s 1.0E-02 N     7.83e-03 2.07e+09 1.56e+03 9.806e+02 kg cm ms 1.0E+04N     7.83e-03 2.07e+03 1.56 9.806e-04 kg cm…

Assignment 7-Side Pole Crash Simulation   Aim: To perform the crash simulation on the side section of the car to study how the impact forces are distributed through the structure to prevent damage to the occupants.   Objective: Check unit system and either follow [mg mm s] or [kg mm ms]. Create appropriate interface…

Frontal Crash Simulation: Aim: To Perform The Crash Simulation On the Frontal Section Of The Car To Study How The Impact Forces Are Distributed Through The Structure To Prevent Damage To The Occupants. Objective : Check Unit System And Either Follow[Mg Mm S] Or [Kg Mm Ms]. Create Appropriate Interface, Friction 0.2 And…

ASSIGNMENT 5 – RADIOSS (INTERFACES & STUDY OF EFFECT OF NOTCHES )   Objective : To study the interfaces and effect of different notches on the model s To mesh bumper model with mesh size of 6mm Run the simulation for 6 different cases as mentioned below. Run the model as it is Change Inacti= 6 and run Create…

Aim – To simulate the plate and rigid ball by using Jhonson cook material and elastoplastic material with brittle failure as per cases given in the question by using Radioss solver. Objective – Simulate all the 7 cases as given in the question Simulate by changing the material shell properties and failure parameters Simulate…

Objective: compare the results of simulations with and without recommended properties, do energy and mass error checks, plot graphs for rigid wall forces, Internal energy, hourglass energy, contact energy and total energy Given data: 1. change the run time to 55 ms. 2. change animation steps during simulation in between…

Objective : For given models perform geometry clean up ,extract mid , clean midsurface geometry . mesh them and assign proper thickness Given data : 1)quality criteria – target length 5 mm , min 3.5 mm , max 7 mm.(holes less than 5mm should be removed ) 2)three different geometries   Procedure : Import the model…

OBJECTIVE: 1.To calculate the speed of sound through steel and the critical time step for given length 2.To edit the radios engine file with the critical time step and the frequency at which output plots are generated, for 20 steps 3.To 3D mesh the housing assembly in Hypermesh using a tetramesh with a target element size…

Objective: perform 2D and tetra meshing on the model provided and perform necessary connections. Abstract: in this project, we will take half portion of car rear suspension system here will perform meshing, tetra meshing on different component with 3D,2D,1D elements along with we will also implement the connections for…

Objective: for given component check geometrical error, extract mid with suitable method and mesh it with given quality criteria. after meshing thickness has to be assigned. Given data: Here given data provide are 1.Quality criteria - Every product which has been produced will go through the set of quality check .if the…

AIM:  to morph given models Given data : there are two models provided to morph 1-sheet metal component 2-plastic trim of hand rest Information : Morphing is an adaptation of given shape to a new form.The geometry of a given concept model can be modified to required proportions to create new designs. Morphing allows…

Aim :  for given FE MODEL of car door performed  suitable connections   Given data :  given data for this challenge is an FE MODEL of an car rear door . Information : door in the car consist variety of connections from spot weld to weather strips at the edges of glass each connection having some specific characteristic.…

2 days , each day for 2 hours

AIM: for given rear view mirror component , check the geometry and  mesh the surface with 2D elements with Shell Criteria mentioned below. Use tetra element to mesh the defined volume of the same surface mesh for given Solid Criteria   GIVEN DATA: 1.Quality Criteria Shell Criteria . Sr no Quality Criteria value…

plastic model take around 9 hours and sheet metal model take 1 and half day as i mistaked in first time so i had to start again and there was power cut in our place of around haf day

AIM : For given plastic bottle cap model, check the geometrical errors and take the mid surface. set PIDs and assign appropriate thickness to it , mesh the same for given quality criteria and enable draw shell as solid . Note : 1.there might be some failed elements near to triple CONS or at smaller regions which are bounded…

AIM: for given hood model , take out mid surfaces for all the components in the model, mesh these midsurfaces with given quality criteria ,and assign the thickness    GIVEN DATA: Here given data provide are 1.Quality criteria - Every product which has been produced will go through  the set of quality check…