Week - 4 - Crash Box Simulation

Aim : Bird Strike in Aero Engine simulation. Procedure :  Open Given .k file in LS Prepost  File >> open >> LS DYna Keyword file   select file and open     as checked in keyword it consist of 4 parts 1. bird 2. casing 3. blade 4. hub we will sepearte each part in different keyword…

Aim : perform a material modeling for hyper elastic material with given data and verify the same with simulation Procedure :  1st open image and extract the image data , plot the stress vs strain graph for engg stress and engg strain    we will use this engineering stress and engineering strain grapg to define the hyperelastic…

Aim : to perform a material modeling from given graph and verify the same material using dogbone tensile simulation test.   Procedure:  1. open a graph iin Graph digitizer app and find the stress vs strain value on multiple points    the same extracted value are the true stress and true strain for graphite…

   Aim : to perform mass scaling to reduce run time of model simulation using trail and error method . Theory:      Time step size for mass scaled solutions DT2MS >0 Every element must have the time step, in case of element have high mass it will reduce stable time step and which have less time…

AIM : Head Impact Simulation with three diffrenet cases as given below Case 1: simple head model impacted on rigid wall  Case 2: child head foam impacted on rigid wall  case 3 : child head foam impacted on aluminium hood model.   Procedure  Case 1 : open LS PREPOST and open the given .k file  file >> open >> LS_DYNA keyword…

Aim : Calculate the Stretch Ratio by comparing the ELFORM (-2,-1,1,2) with Ogden_Material Model.   Procedure :  Case 1 : ELFORM 2 Open the given .k file in LS Prepost  File >> Open >> LS Dyna Keyword File    select file >> open   as we have data for ogden material with…

Aim : Simulation of Crassbox and modeling of spotweld  Procedure :  open LS PrePost and open given file  File >> open >> Ls Dyna Keyword file      Select the file >> and open      as checked we have only geometry now we will deploy beam element for spotweld…

Aim : perform a crass simulation on given FE model with thickness of 1.2 mm and 1.5 mm.  Procedure :  open a given model in LS PrePOst  File >> open >> LS-DYNA Keyword file    select the file and >> open        checked the model and found we have only FE model…

Aim : perform drop test simulation for given keyword file using intial velocity. Procedure :  open key file to the LS PrePost  File >> Open >> Ls Dyna Keyword file >> select the file and open   after reviewing model we obsorbed that we have 3 component  1 shell for floor 2. solid for…

Aim : Analytical solution for given equation using explicit and emplicit technique. Equation  : F(u) = U3+9u2+4u Explicit method:   The equation for explicit method is as given below u(n+1) = u(n)+ Δt. F(u(n)) equation to be solved as below  M (d2u / dt2) +k(u)= F(t) where du /dt = F(u) at t=0…

Aim : Convert given measurements into different system of units and finding their corresponding conversion factors. Purpose :LS-DYNA doesn't have a default system of units. User needs to input material properties and physical dimensions according to a consistent system of units as per their choice. This warrants that…

Note : detail report file is attched below 

Aim : Side Pole Crash Simulation Challenge and study of intrusion at fuel tank, B pillar and hinge pillar region, and sectional force experience by chassis members.   Procedure :   Import the geometry (runname_0000.rad ) file to Hypermesh>> radios solver   Task 1: Check unit system and either follow…

Aim: Frontal Crash Simulation for given model and study of forces on various location and also study od intrusion to brake and accelerator pedal location .   Procedure: Import the given model Using hypermesh>>radios solver >> import >>import  solver deck>> select the path in file >> Import         Task 1: Check unit system…

Aim: Mesh the given compmonent & Run the crash box simulation to study the interface & notches effects.   Procedure : Case : Create the mesh for bumper assembly,mesh size should be 6mm.    Procedure : Import the geometry in hypermesh> Radioss solver      Now , check the component…

Aim: Perform the simulation as per the cases given below for 7 cases with using 7 different type of material and compare the results.   Case 1. Import the FAILURE_JOHNSON_0000.rad file and run the model as it is. Give the title name as Law2_epsmax_failure   Procedure: Import the FAILURE_JOHNSON_0000…

Aim: Comparison of results with base simulation and improved shell element properties   1.Using the crash beam file from the previous assignment, change the run time to 55 ms. Open hypercrash and radioss solver , open geometry    Expand card in tree module and go to ENG_RUN Set Tstop =55  2. Change…

Aim : perform an analysis to simulate the bending of a wire in ANSYS. use Copper Alloy (Non Linear), Aluminium Alloy (Non-Linear), and Magnesium Alloy (Non-Linear) for the wire alone   Procedure:  OPen ANSYS workbench and open static strictural module. open engineering data and select material like stuctural…

1. Check the material properties of the rail component and calculate the speed of sound in steel rail=_______   Ans :   Young modulus of steel : 210,000 N/mm² and dencity : 0.0078 gram/mm^3the formula for speed of sound wave in material : sqrt(E/Rho)Sqrt (21000/0.0078)Velocity of sound wave in…

obective: Mesh the given sheetmetal model and assign thickness and material.   model 1:  open model in Hypermesh > radioss    CHeck geometry thickness  as we check thckness , we found it on multiple location as 0.91 unit  Clean the geometry using quick edit tool     after geometry…

Aim :  To perform an explicit dynamics simulation on a Planner Machining to find out the , Equivalent Stress, Total Deformation,  temperature of the body.   Procedure :  OPen explicit dynamic module in ANSYS workbench open engineering data and select the required material 1. Steel 1006, and the mechanical property of the…

aim:To perform a car crash analysis using ansys workbench and  perform a parametric study using 3 different values of thickness for the car body   Procedure :    open explicit analysis module in ANSYS workbench , select required materal for the operations. 1.Stainless Steel NL, the mechanical property…

Aim: To perform a Explicit Dynamics analysis in ANSYS workbench of a bullet pentrating a bucket for three different materials of the bucket.procedure:  OPen explicit dynamic module in ANSYS workbench and open engineering data to select the material for bullet and bucket we will use three diffrenet material for bucket in…

Aim: To perform the tensile and torsion test on the specimen using ANSYS Workbench. The following objectives are to be satisfied. 1. To displace one end of the specimen to 18 mm while keeping the other end fixed for tension test. 2. To displace one end of the specimen to an angle of 1200 degrees while keeping the other…

Aim: perform a transient structural analysis on a worm gear assembly.   Procedure: Open transient structural module in ANSYS workbenchopen engineering data and select required material, in this case we will use structural steel , and mechanical property of structural steel is given below   Density : 7.85e-06…

Aim: The main objective of this challenge is to perform a Transient structural Analysis on a double universal joint with a spring using three different materials such as Structural Steel, Stainless Steel and Titanium alloy. And to obtain the Equivalent stress and total deformation for all the three cases…

Aim : perform Transient structural analysis on long piston with cylinder in 3 cases , case 1 frictionless contact, case 2- frictional contact with frictional co efficient as 0.1 and case 3 froctional contact with frictional co efficient as 0.2.   Procesure :  Open Transinet structure module in ANSYS workbench and open…

Aim: Statis structural analysis of sphere pressing on plate.   Procedure: Open Static structural model in ansys workbench. open engineering data tab and select required material, here we select Structural steel, & Structural steel NL. and the mechanical property of the material as per given below   Structural steel  Density…

  Aim: To simulate the rolling operation on the workpiece made up of Copper and Equivalent stress,Equivalent plastic strain in the workpiece and directional deformationi in the workpiece.   Procedure:  select the statis structural model in ANSYS workbench .  Select the material in engineering tab select material copper…

  Aim: simulate three different type of welding using three different weld material in static structural analysis.   Procedure:  open static structural model and select the material which required from simulation for here we will select , 1. Stainless steel, 316, annealed and mechanical property of the material is given…

Aim : perform static structural analysis in ANSYS workbench on sheet metal with 3 different material   Procedure: Case 1: for case 1 we import geometry in static structural in ANSYS workbench use material aluminum alloy 1199 for sheet metal. The mechanical properties of aluminum alloy 1199 is given below   Density: 2.77e-06…

Objective: perform the simulation in static structural analysis in ANSYS workbench on Rail-wheel and track with 1e+5 N and 5e+5 N load and compare deformation, stress strain and fatigue life of the component. In case 2 we have to compare user define result with inbuilt result in ANSYS.     Case 1: To perform…

Grid dependency test Grid dependency test or mesh refinement test are perform in finite element analysis to get the best suitable mesh size and optimum simulation time. To perform grid dependency test usually we mesh given geometry and perform simulation and get the result after that we again mesh finer size mesh and get…

Stress concentration on spur Gear   Case 1 For case 1 static structural analysis is carried out on spur gear. The material used is cast iron and analysis is carried out in ANSYS workbench. The model is taken from the challenge it self.   The material properties of cast iron as below   Density: 7200 Kg m^-3…

Q- Compare the deformation and maximum stress developed on a structural steel model for the 2 cases? Ans- Please find attached report which include comprasion of 2 cases of structural steel.   Q-From an analysis standpoint, which of the design will you select? Explain why? Ans: from analysis point of view if…

Note : report are attached below 

Note : Report are attached below 

Note> Report are attached below 

Note : report attached below

note : report attached below 

Note : details report file is attached 

report attached in word file 

Aim: to do a morphing on a given geometry Procedure : Take geometry from given location and open in ANSA Do a topo and geometry clean up Now go to Module > morph > classic morph > Boxes > new > ortho select geometry which is needed to morph     Unselect the required section   now click on…

Aim: Creating connection for rear door Procedure: Take the geometry (Meshed)   Create PID for every sub-part as below ( Classic mess- Micros- Set PID- Select part – New – Pshell- Ok Assign details – ok)       1st we will create bolt connection to the door hinges For that we will create…

Time taken to mesh this geometry is 3 hrs     

Aim : Solid meshing   Method / Steps ( procedure ) Take the product from question and checked the from ( Tool – check- Geometry – select geometry using drop down select ) – select single corn also   Set quality criteria for meshing Set mesh parameter   Assign length and micros parameter…

Time taken to complete both model is approx 8 hrs   

Aim : 2D meshing for Plastic components   Method / Steps Take the product from question and checked the from ( Tool – check- Geometry – select geometry using drop down select ) – select single corn also   If any error found we have to clear that using fix or manually we have to fix it and we…

Aim : 2d meshing for sheetmetal : hood Model Part    Procedure : 1. check all the parts and thickness of respective  2. we found 5 parts , 2 parts are of 0.75 mm thickness other 3 are 1.2 mm thick 3. do the geometry cleanup first ( with selecting single corn also) 4. fix all the errors in geometry. 6. creat…