Week-7 Head Impact

grid    1-Create a mesh using the fewest, reasonable number of elements and analyze the model. 2-Recreate the mesh with a denser element distribution, re-analyze it, and compare the results to those of the previous mesh. 3-Keep increasing the mesh density and re-analyzing the model until the results converge satisfactorily.…

setup------------               case-1-----100000N         CASE---------2---------500000N                USER DEFINE----     CASE-1---100000N       CASE--2---500000N  

setup------       case----1               case-------------02               case----------3                

setup         case---1   al-1199---0.1 friction             al---1199===0.19 friction             case---3----copper===               material----mg----             al-1199---refine mesh---from 1mm to 0.75mm===          

                    results------------          

        CASE-1-----AL-                   CASE---------2-----COPPER                                

  frictionless                       case---1---0.1 friction           0.2 friction------------                  

    case-1--------------20000             case-----15000              

    tensile----             torsion----------------                  

    AL---NL           CU---NL---             MG-----NL----      

    0.2----------------               0.4--------------------                 0.6------------------          

Objective- Structural analysis of spur gear with three different materials and investigate Von misses stress, Defrofatiom, Stress Intensity. Compare the results from these analyses. Spur Gears- Spur gears or straight-cut gears are the simplest types of gear. They consist of a cylinder or disk with teeth projecting radially.…

Objective- Perform a static structural analysis using Ansys workbench on a plate with two different types of holes. The main objective is to measure the stress and deformation-induced on the plate with the same dimension of the plate with a different number of holes and compare it for better design and manufacturing point…

Objective- Simulation of bird strike on an aero-engine blade with proper boundary condition and mass scaling. Procedure- 1- A meshed bird-engine model imported in LS-Pre-post then separate .k file saved for all four-part along with material and section assigned. 2- Another main file has been created with including all…

Objective- Material modeling and generation of simulation data using experimental data. Material Modeling- The material model is used in the industry to verify the data and develop a new type of material for various applications. It consist of so many steps to carried out the data and analyze that data. There are so many…

Objective- To use the mass scaling technique to reduce the run time of the model. 1- The hard limit on mass scaling is 8% and stability should be completely intact 2- Both the DT and TSSFAC parameters should be optimized.  3- A histogram should be plotted to compare the runtime with mass scaling trials.…

Aim- To perform a head impact test and calculate HIC (HEAD INJURY CRITERION) for different cases. CASE-1- Simple head model impact on a rigid wall. CASE-2- A Child head model impact on a rigid wall. CASE-3- A child head model impact on the vehicle hood. Introduction- Pedestrian Crash Test- In May 2013 the World Health…

Aim- Crash box simulation using Ls-Dyna. Objective- A- To perform a simulation with 1.2mm box thickness. B- To perform a simulation with 1.5mm box thickness. Methodology- 1- Import the model. 2- Delete the unusable parts. 3- Give input data, i.e- Boundary, Material, Section. 4- Creat output file, i.e- Termination, Database-…

Aim- Simulation of Phone drop test on a floor with a simple meshed input .k file having floor and mobile phone. Methodology- 1- Import the model. 2- Delete the unusable parts. 3- Give input data, i.e- Boundary, Material, Section. 4- Creat output file, i.e- Termination, Database- D3plot. 5- Run the simulation in Ls-Run…

Explicit vs Implicit- Explicit FEM is used to calculate the state of a given system at a different time from the current time. In contrast, an implicit analysis finds a solution by solving an equation that includes both the current and later states of the given system. This method requires additional computation and can…

Objective- Write the given measurment according to thr=eir unit conversion system. Value of the given parameters- MASS 1kgLENGTH 1mTIME 1sFORCE 1NSTRESS 1PaENERGY 1NmDENSITY 1Kg/m3YOUNG'S Modulus  210GPaVelocity 56.33KMPHGRAVITY 9.8m/s2     Unit Conversion Rules- Mass----- 1kg= 1000 grms Length----1m=…

Aim- Simulation of otto cycle using python and sublime text. The otto cycle actually used in the Spark Ignition engine contains a pair of isentropic and isochoric processes. In the above picture, the red and green lines represent the isentropic process and the blue and black lines represent an isochoric process. Process…

Aim- Crash simulation using Hypermesh/Hypercrash/Radioss over a CAR side body BIW structure. Objective-  1- Check the unit system (Kg, mm, ms or Mg, mm, s ) 2- Create an appropriate interface with the recommended parameter, make sure there is no penetration and intersection. 3- Create a rigid wall ( as cylinder…

Aim- Crash simulation using Hypermesh/Hypercrash/Radioss over a CAR frontal BIW structure. Objective-  1- Check the unit system (Kg, mm, ms or Mg, mm, s ) 2- Create an appropriate interface with the recommended parameter, make sure there is no penetration and intersection. 3- Create a rigid wall as per requirment.…

Aim- Study of different materials cards available in radios workbench. Apply various material properties on a given part and study the behavioral changes in the respective property. Objective- 1- Set the material card for the model and run the simulation. 2- Collect the output data from radios and run into hyper view and…

Aim- Comparison of crash beam file with base simulation without material property and improved material property, along with run time and animation step. Also have to find energy error and mass error along with various output result plot of internal energy, contact energy, total energy, and force. Recommended Property.…

Aim- Meshing of a car side door interior panel ( plastic component ) Abstract- In this project, we extract the mid surface of the model and mesh the mid surface with a 4mm target element size, and then thickness will assign.   Quality Criteria-  Methodology- 1- Import the geometry and cleaning up. 2- Split/divide…

Aim- Meshing of a car floor panel with 2D shell element, assign thickness, property, and material. Abstract-  It's a sheet metal part of the car floor with 0.75 thickness, here in this challenge we will mesh the component with a 2D shell element with decent mesh flow.   Methodology- 1- Import the model and do…

Aim- Solid and Shell meshing along with connection implementation of the car rear suspension model. Abstract- In this project, half part of the suspension system is taken, the model be will checking for geometrical issues, and then 1D,2D,3D meshing to be performed.1D meshing will perform on the spring element…

Aim- Preprocessing of car instrument dashboard panel using ANSA. Keyword- Mid surface extraction, Meshing Objective- To clean up the geometry of the model and extracting the mid surface then perform the meshing on the mid surface and give the thickness of the mid surface. Quality criteria to be followed.   Abstract- In…

Aim- To optimize and find its global maxima of a stalagmite function using a genetic algorithm in Matlab. Maxima and Minima-  In mathematical analysis maxima and minima are known as the largest and smallest value of a function in a given domain of that function. Local maxima and minima- Local maxima and minima are…

Aim - To write a program in MATLAB to calculate drag force on a moving bicycle Objective-  a- To calculate drag force b- To draw a pot between velocity and drag force c- To draw a pot between drag coefficient and drag force Explanation-Drag force is a resistive force against the cyclist who moving toward the wind.it …

Aim- Write a program to simulate the transient behavior of a simple pendulum and to create an animation of its motion. Objective- ODE is used to describe the transient behavior of the system, a simple pendulum is an example of this. pendulum motion depends upon the newton's second law when deriving the law we…

Aim- to study the linear and cubic polynomial and its curve fitting with the help of Matlab. Objective- 1- write a code to plot a graph for the linear and cubic polynomial equation. 2- write a code to calculate the value of R^2. 3- write a code to plot the best fit graph b/w original data and linear data also for cubic…

AIM- To write code and simulate the two arm robotic using Matlab, where one arm is fixed. Objective- To perform a task which is based on the 2 D robotic arm which has two-arm, one is fixed and another one connected with the first arm, we have to evaluate its movement at different values of θ. Theory- …

Aim- Write a code in Matlab to plot a p-v diagram and solve the thermal efficiency of an otto cycle. Objective-  (a) To write a Matlab code to plot a graph b/w pressure and volume of the otto cycle. (b) Find the thermal efficiency of an otto cycle. Theory- (a) Otto Cycle-  An Otto cycle is a cycle that is…