Aim: For the given car front (BIW component) we need to perform the crash analysis aganist the rigid wall for the requests given below.Requests:1)Check the unit system and either follow (Mg mm s) or (Kg mm ms).2)Create the appropriate interface ,fraction 0.2 and recommended parameters.3)Make sure of no penetrations…
Tata kasi srinivasarao
updated on 10 Jun 2021
Project Details
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Read more Projects by Tata kasi srinivasarao (34)
Bird Strike - Project - 2
Hello,below i have attached the doument.
13 May 2022 10:01 AM IST
week-11 Joint creation and Demonstration
Hello,my laptop got rebooted all my files were gone and i have attached the document. consider this as a request for evaluation. Thanks for your consideration.
13 May 2022 09:58 AM IST
Week - 10 Hyperelastic Material Models
Aim: Ford the given material data we need to calculate Mooney Rivlin and Ogden material constant and compare the both using stress-strain from a dogbone specimen tensile test with 100 percent strain.Procedure:step_1:We need to create the sectioned shell for the given dogmen specimen.Displacement vs time boundary…
07 Aug 2021 01:41 PM IST
Week - 9 Material Modeling from Raw Data
Aim: For the given true stress and true strain curve extract the data using the data digitizer tool model the MAT_024 linear plastic material and compare the results of extracted true stress and strain values and simulated true stress-strain values. Procedure:1.Dogbone specimen consists of nodes and elements .k file is…
06 Aug 2021 12:32 PM IST
Week - 8 Mass Scaling
Aim: To check the effect of the masss scaling and how it effect the simulation time by using parameters called TSSFAC and DT2MS which is non physical mass added to the model .Because of the this mass scaling the simulation runs faster with stability. and in the challenge we need to compare the implicit and explicit analysis…
26 Jul 2021 05:09 AM IST
Week-7 Head Impact
Aim: simulate the given headforms aganist the rigid wall and meshed hood using LS-Dynastep by step procedure of the 3 cases shown below.Case-1: sample head model simulated aganist the rigid wall.For the given model is contained after import shows only nodes and element and we have to add material,section,velocity,rigid…
23 Jul 2021 09:21 AM IST
Week-6 Calculate the Stretch Ratio by comparing the ELFORM (-2,-1,1,2) with Ogden_Material Model.
Aim:For given hyperelastic material we need to take solid cube geometry and simulate the model at the various ELFORM( 1, 2,-1,-2).And need to find which ELFORM brings the simulated true stress and true strain plots match with the engineering stress and lamda graph.Procedure:1.import the given .k file(having material…
16 Jul 2021 04:42 AM IST
Week - 5 - Modelling Spotwelds
Aim: simulate the given model with the beam and solid element and compare the shear and axial forces between beam and solid element.Procedure:1.create the beam element2.Assign material to the beam ,shell and solid3.After defining the material define the section for beam,solid and shell element.4.We need to define…
11 Jul 2021 09:57 AM IST
Week - 4 - Crash Box Simulation
Aim : For the given crush tube FE model we need to simulate the model aganist the rigid wall with different thickness and we need to get the outputs for the given requests.Requests: Input .k file and output files (d3plot, glstat, sleout, rcforc) - Animation of the final simulation - Cross-sectional force generated in the…
05 Jul 2021 04:42 PM IST
Week - 3 Drop test Challenge
Aim: To perform the drop test by providing the input keywords and make ready for the simulationBefore going to simulation what are the keywords required isi)Material propertiesii)section properties(shell &solid)iii)Contactsiv)Boundary conditionsv)Control settingvi)Output requestProcedure:open the K-word file…
01 Jul 2021 09:33 AM IST
Week - 2 - Explicit and Implicit Analysis
F(u)= U^3+9U^2+4U F=K(U) This is illustrated next. For this example, three equal load increments (or steps) of ∆F = 1 unit each are used to load the tension bar. The variables used are U for displacement, f for internal force in the bar, F for external force applied to the bar and k for stiffness. Incremental…
27 Jun 2021 11:49 AM IST
Week - 1 - Consistency of Units
Vallues of following measurements given below.Mass= 1kgLength = 1mTime = 1sForce = 1NStress = 1paEnergy = 1NmDensity = 1kg/m^3Youngs Modulus=1GpaVelocity =56.33kmphGravity …
24 Jun 2021 02:02 PM IST
Assignment 7-Side Pole Crash Simulation Challenge
Aim: Perform the side pole crash test on BIW component of passenger vehicle using Hypermesh tool , Radioss solver.The given requests to check in the model are shown below.1)Check unit system and either follow (Mg mm ms) or (Kg mm ms).2)Create appropriate interface ,friction 0.2 and recommended parameter.3)Make sure of…
13 Jun 2021 04:16 AM IST
Assignment 6-Frontal Crash Simulation Challenge
Aim: For the given car front (BIW component) we need to perform the crash analysis aganist the rigid wall for the requests given below.Requests:1)Check the unit system and either follow (Mg mm s) or (Kg mm ms).2)Create the appropriate interface ,fraction 0.2 and recommended parameters.3)Make sure of no penetrations…
10 Jun 2021 05:46 PM IST
Assignment 5-RADIOSS Interfaces & Study of Effect of Notches Challenge
ModeAim: Simulate the crushtube aganist the rigid wall and compare the effect of notch with help of specific cases mentioned below.And plot and compare the Rwall forces,contact forces,internal energy and TH/part for all cases.1.Run the crush tube as it is.2.Change the Inacti=6 and run3.Create the Type 11 contact and run4.Remove…
29 May 2021 02:32 PM IST
Assignment 4-RADIOSS Material Laws Challenge
Aim: Using The Radioss engine starter files need to make changes in material card and simulate the model for below mentioned cases as per the challenge. Observe the all cases find recommended material to use.Case-1: Run the file as it is and name it as Law2_Epsmax_failureCase-2: In the failure johnson card(In/FAIL/Johnson)…
21 May 2021 02:48 AM IST
Assignment 3-2D Element Formulation Challenge
Aim: simulate the model aganist the wall with default property and modified property and comapre the result with base simulation and modified simulation. 1.import the radios fileUsing import > import the solver deck >s select the engine file 0000.rad file. 2. Modify the run time : Here given runtime to change from…
17 May 2021 01:15 PM IST
Assignment 2-RADIOSS Engine File Editing & 3D Meshing Challenge
For the given problem we need to find the speed of the sound (C)=?From the theory the speed of the sound is (C)= √E/ ρ,Here the given material is steel material and the values of the E=205GPA,can also be written as 205000MPAAnd Length(l) =1000mmAnd Density(ρ)=7.8 x e^-6 kg/mm^3. …
13 May 2021 09:21 AM IST
Assignment 1-2D Meshing Challenge
Aim: For the given components we have to perform the geometry cleanup, mid surface extraction and mesh the models with below mentioned quality criteria. Quality criteria: Target element size = 5 Minimum length =3.5 Maximum length …
10 May 2021 01:15 PM IST
Week 12:Project 2-Meshing of Rear Wheel Holder challenge
Rear Wheel Holder Geometry Extract Mid Surface Apply 2D meshing using Hypermesh Optistuct SolverAim: For the given Rear wheel holder we need to perform the mid surface and 2d quad meshing with the mentioned quality criteria and assign material and property to the component. Quality Criteria: Target length …
06 May 2021 03:08 PM IST
Week 12:Project-1-Meshing of Door Inner Panel Challenge
Aim: The Given Component (Door Trim Inner panel Plastic component) Extract Mid surface and Mesh the component with below mentioned Quality Criteria and assign the material and property to the component. Quality criteria: Target element length =4 Aspect ratio …
30 Apr 2021 05:55 PM IST
Week 9-Creation of 1D Connectors Challenge
Aim :For the given structure frame we need to generate the mesh with mentioned quality criteria,and make the appropriate connections in the mentioned components.Theory:For the given frame we need to generate 2D mesh and make connections like seam weld,bolt,spot weld and element as spring element and RBE2 element,Hexa (adhesive…
15 Apr 2021 11:52 AM IST
Week 8-3D Tetra Meshing Challenge
Aim:For the given components we need to generate the 2D shell element(Tria) and convert to 3D mesh and perform Quick Tetra mesh/Volume mesh Alone with help of Quality Criteria mentioned below.1.Tetra Mesh generation Method:2D shell mesh to 3D volume mesh conversion Min length of element=2 Max length…
10 Apr 2021 12:34 PM IST
Week 6-Meshing of Hood Challenge
Aim:For the given hood model we need to extract the mid surface and mesh the component with the given quality criteriaTheory:in the Automotive BIW component is hood and in the hood we have sub component which are attached near the latch and bolting are because those areas which experience more stress so to avoid…
21 Mar 2021 07:02 PM IST
Week 4-1D Element Creation Challenge
CREATING MID SURFACE AND 1D ELEMENT REPRESENTATION(BAR,ROD,BEAM) Aim: For the given parallel plate we have to create mid surface, meshing and also create the 1D element representation on the component with the given cross section and DOFs.Procedure:1.import the cad model2.mid surfacing(which is shell element)3.Meshing4.Repesentation…
19 Feb 2021 08:33 AM IST
Project 2
PREPROCESSING OF VEHICLE REAR SUSPENSIONAIM:For the given cad geometry of rear suspension do the geometry check and solid meshing and proper mid surface and shell meshing as per the quality criteria given below.Quality Criteria For the Tria Elements(Tyre and Rim): s.no Quality Criteria Value 1. Target Length 6.5 2. Minimum…
02 Feb 2021 08:45 AM IST
Project 1
Aim: For the given plastic component (dash board) check the geometrical errors and draw the midsurface and proper meshing with the target length of 4mm. And satisfy the quality criteria Quality Criteria: S.NO Quality Criteria Value 1. Target Length 4 2. Minimum Length 2 3. Maximum Length 6 4. Aspect Ratio(AR) 3 5. Warpage…
22 Jan 2021 08:51 PM IST
Week 8
Aim: For the given sheet metal component use morphing Technique to change the deign or shape of the componentTheory: Here the the given component is sheet metal we need to apply the morphing technique in particular areas where the changes are required. Here The changes we do based on…
05 Jan 2021 06:17 AM IST
Week 6
Aim: For the given Rear Door FE model implement the connections based on connections in front door model Theory: Fig: Skeleton view of rear door The above image is rear door which is without skin in…
21 Dec 2020 07:44 AM IST
Tool Test-2
Hello sir, i have completed the week 5 Tool Test 2 which is Intake Manifold. Link for the model pasted below Time i have taken to complete this model is =6.5hrshttps://drive.google.com/file/d/1Lw9jcnfqmoRRji6AC_zlqajovQQ8tN5M/view?usp=sharing
06 Dec 2020 02:50 AM IST
Week 5
Hello sir, Below i have attached document with model link of week 5 challenge (Rearview mirror geometry).
02 Dec 2020 05:57 PM IST
Tool Test 1
Hello sir, Model 1(Door Panel Switch which is Non Uniform Thickness) given time is = 5hrs time i have taken to complete the model is = 17hrs Model 2 (Floor Panel which is Uniform Thickness) given time is …
18 Nov 2020 05:58 PM IST
Week 4
Here below i have attached file along model link pasted in the report.
07 Nov 2020 04:22 PM IST
Week 3
Here below i have attaached my week3 challenge report ,please find it. Due to some constraints in the challenge page i prepared in my word and attached. Name of the documunt as: Hood model challenge
26 Sep 2020 03:59 PM IST