00 clear all close all clc x=pi/3; dx=linspace(pi/30,pi/300,20); %function is, f(x)=exp(x)*cos(x) %analytical_solution for second order derivative analytical_solution=-2*exp(x)*sin(x); %numerical_solution for fds(forword difference scheme) %after solve equation=(2.9167*f(i)-8.6667*f(i+1)+9.5*f(i+2)-4.6667*f(i+3)+0.9167*f(i+4))…

*model-1:- *name of tool tests:-  component *objectives:- To remove all topological errors, creating the mid surface and meshing the component with given quality criteria. *methodology:- 1)geometry cleanup 2)generating mid surface 3)assigning relevant PID 4)meshing as per given criteria   1) geometry cleanup:-…

*aim:- -mesh the various model using tetra or 3D mesh as per given quality criteria. *medel:1:- *google drive link of model:- https://drive.google.com/file/d/1cFukr7dX_elamW_4C6HWJXorfK8qQo1n/view?usp=sharing *Model name:- Hosing *Methodology:- 1)Import the model 2) Geometry cleanup 3) Creation of 2D tria meshing as per…

  *AIM:- Mesh the  model as per given quality criteria, after that crate connectors and attach various parts. Model name:-  frame assembly methodology:- 1)import the model 2)2D meshing as per quality criteria 3)connect various parts using connectors   1) import the model:-  -The format of the file…

*AIM:- create meshing of the model using batch-meshing  as per given quality criteria,  also assign the non-linear material propetry . *what is a batch-meshing:- -if there ate no inuff time available for manual meshing, that time we use batch-meshing. -if we satisfied with 60-70% of quality,at that time it's…

*model name:- hood.stp *aim:- clean up geometry,create midsurface  and meshing on its  as per quality criteria. *methodology:- 1) import a model 2) create midsurface 3) clean up geometry 4) meshing as per quality criteria 5)reflection of symmentric components 6)provide the thickness   1) import a model:-…

*model name:- backdoor_assembly.igs *aim:- clean up geometry,create midsurface  and meshing on its  as per quality criteria. *methodology:- 1) import a model 2) create midsurface 3) clean up geometry 4) meshing as per quality criteria 5)reflection of symmentric components 6) check for free edges:- 7)provide the…

model name:- rearview mirror AIM:- volumetric tetra mesh of rearview mirror in preprocessing ANSA software. methodology:- 1)Geometry cleanup 2)tetra meshing as per given criteria 3)assigning relevant pid 4)volume meshing on entire body 1)Geometry cleanup:-   -first of all model created by design engineer based…

*model name:- side door *aim:- clean up geometry,create midsurface  and meshing on its  as per quality criteria. *what is a plastic component? -we design most of two types materials: 1) sheet metal , 2) plastic -here, we  measure the thickness of every surfaces, we seen that it variation.then we understand…

*name of tool tests:-  bottle caps *objectives:- To remove all topological errors, creating the mid surface and meshing the component with given quality criteria. *methodology:- 1)geometry cleanup 2)generating mid surfaces 3)assigning relevant pid 4)meshing as per given criteria   1) geometry cleanup:- -first…

*aim:- to perform connections using various connection techniques for a reardoor FE model using ANSA. *methodology:- 1)convert to various pid 2) connectors    1)convert to various pid:- -first of all we imported reardoor FE model in ANSA. -for taht we choose this dirrection:-          …

*name of tool tests:-  HOOD model *objectives:- To remove all topological errors, creating the mid surface and meshing the component with given quality criteria. *methodology:- 1)geometry cleanup 2)generating mid surface 3)assigning relevant pid 4)meshing as per given criteria   1) geometry cleanup:- -first of…

*aim:- clean up geometry,create midsurface  and meshing on its  as per quality criteria. *methodology:- 1) import a model 2) clean up geometry 3) create midsurface 4) meshing as per quality criteria 5) check for free edges:- 6)provide the thickness   1) import a model:-  -The format of the file is hm,…

*objective:- -To create the mesh for the bumper assembly with mesh size of 6 mm. -After that compare the results of simulation for given cases:-      1) Run the crash tube model as it is.      2) Change the Inacti=6 and run.      3) Create the type 11 contact and run.  …

*aim:- clean up geometry,create midsurface  and meshing on its  as per quality criteria. *methodology:- 1) import a model 2)clean up geometry 3)create midsurface 4) meshing as per quality criteria 5) check for free edges:- 6)provide the thickness   1) import a model:- -The format of the file is igs, then…

1)  Check the material properties of the rail component and calculate the speed of sound in             steel rail=_____ *speed of sound:- c=√(Eρ)c=√(Eρ)   where, c=speed of sond in any medium              E= young…

*Objectives:- 1)To change the run time to 55 ms. 2) Change the number of animation steps during simulation to a minimum of 25 and maximum of 60. 3) Run the base simulation without any modification to element properties. 4) At the end of the simulation, do the energy error and mass error checks and determine…

*objectives:- compare results from 7 cases and discuss on the following concepts. 1) Total number of cycles, Energy error, mass error and simulation time.2) Notice the animation of all 5 and describe the animations in brief on the     basis of whether the elements are being deleted or cracked.3) Plot…

*objectives:- Perform the frontal crash analysis model in the given BIW model. -The following parameters are done in the model:- Check unit system and either follow[Mg mm s] or [Kg mm ms]. Create appropriate interface ,friction 0.2 and recommended parameters. Make sure of no penetrations and intersection. Correct rigid…

*objectives:- Perform the side crash analysis model in the given BIW model. -The following parameters are done in the model:- Check unit system and either follow[Mg mm s] or [Kg mm ms]. Create appropriate interface ,friction 0.2 and recommended parameters. Make sure of no penetrations and intersection. Correct rigid bodies…

*Objectives:- -To perform Roof crush analysis in the given BIW model as per quection given in the challange pae. **procedure:- *Import:- • Car• Impactor -First of all select import solver deck command, and go to the solver deck. -now select the file from our folder and import it.(File names=neon_roof_0000.rad,…

*Objectives:- The objective of this challange is to convert given SI unit value of the given quantities tp g,mm & ms unit and also prepare consistant unit system for different unit system. Value of the following measurements are given as follows: 1)MASS =1kg2)LENGTH= 1m3)TIME =1s4)FORCE =1N5)STRESS =1Pa6)ENERGY =1Nm7)DENSITY…

objective:- Cell phone drop test is to be conducted by creating all the necessary input keywords:- 1 Material creation 2 Section creation 3 Assigning material & section to their respective parts 4 Definding boundary conditions & specifying initial velocity to the cell phone. 5 Creating the contact definition between…

*Aim:- -To understand concept and solve non-linear equation of implicit and explicit analysis method. *Introduction of Explicit & implicit method:- The implicit & explicit methods are used for the solving ODES & PDES equaction. -The explicit method is used the value from present time step to calculate the value…

*Project name:-       Crash box simulation *Aim:- -Simulate the crash box model using the LS-DYNA software & understand the concepts of how the conditions are produce after the heating car to any particular steady object(Rigid wall). Objective:- -In this simulation we requests for the given delivers…

*AIM:- Calculate the Stretch Ratio by comparing the ELFORM (-2,-1,1,2) with Ogden_Material Model. *Objective:- -Create a block of 10mmx10mmx10mm dimension with 10 elements for each direction and use the material card attached (Ogden_Material.k) that is representative of the material properties from the above figure.…

*Model name:- Modelloing spotwelds *Aim:- -Simulate the modelling spotwelds using the LS-DYNA software & understand the concepts of how the conditions are produce after the heating car  & it spotwelds to any particular steady object(Rigid wall). Objective:- -In this simulation we requests for the given delivers:-…

*Model name:- HEAD IMPACT *AIM:- -This model is simulate for understand the concepts of head impact & calculate the head impact criterion(HIC)  value for follwing cases. 1) Case:1:- Simple head model impacting against rigid wall 2) Case:2:- Child headform dummy model impacting against rigid wall 3) Case:3:- Child…

*AIM:- -Use mass scaling to reduce the run time of the model. *objective:- -The limit on mass scaling is 8% -To plot a histogram to compare the runtime with mass scaling tials. -To optimize the both DT & TSSFAC parameters. -To run the simulation with implicit solver with necessary change and compare implicit and explicit…

*Project name:- Material modeling from raw data *Aim:- Material modeling of MAT_024 (PIECEWISE_LINEAR_PLASTICITY) using digitizer and LS-DYNA. *Objective:- - Extract the data from the diagram -Clean the data and visually confirm that it matches the original data. -Here elastic modulus is 20.9E+06 psi. -Convert the data…

*AIM:- Material modeling of MAT-077_H, 077_o, Hyperelastic rubber and odgen rubber card fro raw data and fit the experimental values to the raw data by curve. *Objectives:- 1) Extract the engineering stress/strain data from the given image. 2) Convert the data in to the SI unit by calculation.(Here unit system is gm,mm,ms)…

*AIM:- -To create revolute, cylindrical and translationaljoints between two rigid bodies and two deformable bodies using the LS-DYNA solver. *Introdution:- *Joints:- -A mechanical joints is a session of machine that is used to connect one or more mechanical parts to another. Its may be permenant or temporary.  1) Revolute…

*AIM:- To simulate non linear transient birdstrike simulation where the bird tried to hit the gas turbine blade by using LS-DYNA. *Introdution:- -The collision of birds on an aircraft while cruising in the air is called bird strike event. -This one is one of the dangorous accident occur. So this one is important factor…

*AIM:- To solve the 2D heat condution equation using a steady state solver and transient solver using interative techniques. *Introdution:- -The 2D heat condution equation is:- `(∂T)/(∂t)-α((∂^2 T)/(∂x^2) +(∂^2 T)/(∂y^2) )=0` *Derivation for steady state:- -There is no change of fluid…

*AIM:- Simulation of a quasi 1D Super-sonic nozzle flow simulation using Macormack Method *Objective:- We are going to simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle. We will derive both the conservation and non-conservation forms of the governing equations and sovle them using the MacCormack's…

*AIM:- -Define Finite volume method(FVM) -Write down the difference between FVM and FDM. -describe the need for interpolation schemes and flux limiters in FVM, use the 1D linear heat conduction equation as an example.  *Objectives:- -Define Finite volume method, Also define difference between FVM & FDM. - Consider…

*AIM:- -Simulation of a backword facing step in the openfoam software *Objective:- -In this simulation we produce mesh using openFoam software and  show the post-processing result just like change in velocity and pressure gradient using paraview. -In this case we use an incompressible-laminar-viscous flow. -Simulate…

*AIM:- -To write a program in matlab that can generate the computational mesh automatically for any wedge angle and grading schemes -To calculate the length of the pipe using the entry length formula for laminar flow through a pipe -To compare velocity profiles at different positions along the length of the pipe *Introdution:-…

*AIM:- -To write the program in matlabthat can generate the computational mesh automatically for any symmetric angle and grading schemes *Introdution:- -Hydrodynamic Entrance Length  -Many different enterance lengths exist to describe a variety of flow conditions. The entrance length refers to the length of the entry…

*Model name:- Design of american chooper *Introdution:- -This report contains brief explanation of designing of american chooper using solid works 3D modelling cad software; from initial sketch to final rendering including solid modeling, surface modeling tools explanation *Objective:- -The main objective of this designing…