Week - 4 - Crash Box Simulation

OBJECTIVES : 1. To simulate the bird Strike on the given aero engine model. 2. To carry out the simulation by including the different files of the part into a Single Main file by using the keyword* INCLUDE 3.To renumber the Nodes, Elements and the Parts before running the simulation in the ranges of 100000+, 500000+ and…

OBJECTIVE : 1. Creating the Revolute joint between two plates. 2. Creating the Cylindrical joint between two concentric cylinders. 3. Creating the Spherical joint between two concentric spheres. 4.Creating the Translational joints between co-axial boxes.   CASE SET UP : CASE 1 : CREATING THE REVOLUTE JOINT  1. Creating…

OBJECTIVE : 1. To calculate the Mooney Rivilin and Ogden material constants by fitting the curve using the given engineering stress and engineering strain data. 2.Using the constants calculated for the Mooney-Rivilin and the Ogden material, Create the Material model for the Hyperelastic material. 3. Using the Hyperelastic…

OBJECTIVE : 1. Extracting the data from the given diagram of the true stress strain curve of the graphite iron casting. 2. Cleaning the data and making the sure that it matches the original data given in the diagram. 3. Processing the data and creating the material for the FEA analysis. 4. Using the material model for…

 OBJECTIVE:  1) To reduce the runtime of the model using the mass scaling and ensuring the stability of the mass scaling i.e, the model with mass scaling and without mass scaling should behave the same.  2) To observe the effect of the DT2MS on the CPU time and also limiting the mass scaling to only 8%.…

OBJECTIVE : 1. To create a cubic block with size 10x10 with 10 solid elements in each direction.2. To run the implicit simulation for the created block with different element forms i.e, ELMFORM 0,1,-1,1 simulating the tensile  behaviour.3. Plot the stress vs stretch ratio for different ELMFORM i.e, 1,2,-1,-2 …

OBJECTIVE :  CASE 1 : 1. To simulate the simple head impact with the rigid wall creating the simple elastic material model . CASE 2 : 2. To simulate the head impact of the given headform  with the rigid wall at an angle of 35-75 degrees. 3. To plot the stress / strain and the acceleration for the same. CASE 3…

OBJECTIVE : 1) To model the spotweld using the beam elements and solid elements in two seperate cases. 2) To run the simulation for the beam spotweld and solid spotweld using the same *MAT_SPOTWELD using the steel properties. 3) To compare the axial and shear forces of both beam and solid spot welds  and calibrate…

OBJECTIVE:    1.To run the Simulation for the given crash box mesh model Keeping the Unit system in g-mm-ms Creating the Rigidwall Using the `^**`Rigidwall_keyword. with the following case set ups:  Case 1.  Elastic card for the Material is used and the properties are that of the Steel  .  Using…

OBJECTIVE :  To Simulate the Dropping of the Phone on the Rigid floor Using the INTIAL Velocity card for the Cell Phone in the given .k file and creating the Input deck from the scratch. Fig 1 Given Cell Phone Model with Floor mesh   CASE SET UP : 1. Importing the Keyword (.k) file       …

IMPLICIT METHOD :            In the Implicit method, the slope value at the unknown Time step is used. i.e, In the equation             `y(t_(n+1)) = y(t_(n)) + Deltat xx y^'` __________(1)  for the given curve as shown in the Figure  below…

AIM : To Convert the Given Quantities to different unit systems. The Following are the given quantities  MASS 1kg LENGTH 1m TIME 1s FORCE 1N STRESS 1Pa ENERGY 1Nm DENSITY 1Kg/m3 YOUNG'S Modulus  210GPa Velocity 56.33KMPH GRAVITY 9.8m/s2             These Quantities have…

OBJECTIVE : 1 . To run the Side crash Simulation for the given model with the following Case Set up:  Follow the  unit system  of  [Kg mm ms]. Creating the  appropriate interface with friction value of  0.2 and recommended parameters. Making  sure of no existence of penetration and…

OBJECTIVE : 1.To Run the crash simulation for the given car model with the following case set up  unit system of [Kg mm ms]. Creating appropriate interface ,friction 0.2 with recommended parameters. Making  sure of no penetrations and intersections. Correcting rigid bodies if any issues. Creating rigid wall with…

OBJECTIVE:  1. Create the mesh for the bumper assembly with element size = 6mm.  2. Plot RWALL forces , Contact Forces ,Energies and observe the differences for the following cases :  Case 1 : Run the crash tube model as it is  Case 2 : Change the Inacti=6 and run.  Case 3 : Create…

OBJECTIVE: 1. To set up 7 different type of cases and run the simulations in the hyperwoks Radioss Solver. 2. To compare the Total number of cycles,EnergyError,mass error and Simulation time of all the 7 cases in the tabulated format. 3. Notice the animation of all 5 and describe the the animations in brief on the basis…

Objectives: 1. To Change the run time to 55 ms for the Crash Beam file. 2. To Change the number of animation steps during Simultions to  minimum of 25 and maximum of 60. 3. To  Run the base simulation without any modification to element properties. 4. To Carry out enrgy error mass error checks for the…

Ans 1.  Young's Modulus rail component E = 210000.0 N/mm2             Density Of the rail component Rho= 0.0078 g/mm3             Speed of sound in rail Component =`sqrt(E/rho)`          Hence, Speed of sound in the rail…

Objective : To Carry out the geometry cleanup operation on the given 3 files. Practice  Clip Repair Mounting Bracket There should not be any free edges, convert all of them into refine geometry. Clean the geometry. Extract midsurface. Clean midsurface geometry. Ignore holes less than dia 5mm. Create 2D mesh with…

OBJECTIVE :           1. To Generate the Mid-Surface for the Given Component ,         2. Mesh the generated midsurface conforming to the below mentioned Quality Criteria                       Target Element Length = 5 units              S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper …

OBJECTIVE : 1.To generate the mid -surface for the given Side-Door panel model                           2.To Carry out the Geometric Clean up of the mid-surface                         …

OBJECTIVE: Mesh the given Component with a Mesh size of 5mm. Create connector and Attach the various parts of the given model  1. Right_Rail_2 & Front_truss_1:- Seam-Quad(angled+capped+L) 2. Left_Rail_2 & Front_truss_1:- Quad elements 3. Front_truss_2, Front_truss_1 & Right_Rail_1:- Spot…

  OBJECTIVE:  1.To Create tetramesh for the housing model with the following quality criteria:        Minimum Size:2mm        Maximum Size:7mm        Target element size: 5mm 2.To create 3d tetramesh with 6mm element size for model 2 using quick tetra…