Week - 5 - Checking and correcting the Normals

CHALLENGE-12

PROJECT-1

PROJECT-2

AIM:        To check the element quality. OBJECTIVE: Create element quality check macro for 2D and 3D elements. Create a button for each criterion. On pressing the button the elements should be highlighted using temp nodes. Entry boxes next to the buttons will accept the quality criteria value. PROCEDURE:…

AIM:        To create midline and spot weld. OBJECTIVE: Create a macro to calculate the midline of a given tubular component. Select one end of the lines using line by path. Similarly, select the other ends using line by path option. Now calculate midline for each pair. Combine all these midlines to…

AIM:        To reflect the geometry. OBJECTIVE:                Create a macro that will reflect the given multicomponent FE part with ease. It should be independent of the deck. The only inputs allowed are, original CAD comp, reflected CAD comp, and original FE comps. The name of the component should also be taken as input…

AIM:       Create the component and property. OBJECTIVE: Ask the user to enter name of a component and its thickness. Write a code that will automatically create components and assign thickness to it. The code should decide on its own what type of collector should be created depending on the user profile/deck.…

AIM:        To check and correcting the edges. OBJECTIVE: Create a code that displayed free and T edges for displayed elements. Free edge color red and T edge cyan. Except for edges, all other components must be made transparent. Also, temp nodes must be automatically created for “free nodes”…

AIM:        To create a tk GUI for all the final checks/operations.  OBJECTIVE: Create buttons to delete displayed geometric entities (be careful about advanced remesh) Create buttons to delete empty entities. Create button to re-order and re-number entities by name. Create a master button in red…

AIM: Write a code to display normal as explained in Lecture 5 Create a widget containing two buttons for “reverse normals” and “normal off” Also assign these procedures to keyboard buttons of your choice. check the null case also OBJECTIVE: To write a code to display normals of the elements and two buttons to reverse the…

AIM:        Meshing and implementing connections to the car rear suspension model. ABSTRACT:                 In this project, I have taken a half section of a car rear suspension system where the meshing will be done on different components with 3D, 2D & 1D…

 AIM:  To simulate a non-linear transient dynamic problem of a Bird Strike with a Jet Engine Blade and evaluate the results. OBJECTIVES: The given file contains all the 4 parts which as to separate and save part wise. The suitable material is to be created and saved in a subfolder. The node number,…

AIM:        To demonstrate spherical, revolute, cylindrical, and translational joints between two rigid bodies and two deformable bodies. OBJECTIVE:        Demonstrate all the types of joints like spherical, revolute, cylindrical & translational joints.      …

Aim:  To calculate the Mooney Rivlin and Ogden material constants and compare both using stress-strain data from a Dogbone specimen tensile        test with 100 percent strain.  The given material data is the engineering stress-strain in MPa/(mm/mm).  The comparison should be shown from…

AIM :  Using the diagram of the true stress-strain curve given for graphite iron casting, creating a material model for the Dogbone specimen.   Validating the material model by performing a tensile test on a Dogbone specimen. OBJECTIVE :          By Using the diagram of the true…

AIM:  To perform the simulation in order to reduce the run time with the help of mass scaling in LS-Dyna.  OBJECTIVE:  To learn about the mass scaling Technique to reduce the computational time for the analysis.  The limit for the mass scaling is restricted to 8% and simulation has to be completely…

AIM:        To perform the head impact simulation & calculate the head impact criterion value for the following cases. OBJECTVIE:                   To perform head impact analysis & calculate the HIC(head Injury Criteria/Coefficient) value for the following cases. CASE-1) Simple head & rigid wall CASE-2) Child head foam…

AIM:        To perform the simulation by calculating the strach ratio & comparing with ELFORM(-2,2,-1,1) 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…

AIM:       To create a simulation file using input parameters to perform a Crash box simulation by using spotweld beam, solid spotweld & plot the results. OBJECTIVE: For the particular simulation, the required input paramters are; Title card, section, material card, part, initial velocity, spotweld(beam…

 AIM:         To simulate the crash box (1.2 & 1.5mm thickness)onto a rigid wall at 50kmph & obatain the following output. OBJECTIVES: Input .k file and output files (d3plot, glstat, sleout, rcforc) Animation of the final simulation Cross-sectional force generated in the middle of the crashbox (along its length) Acceleration…

AIM:        To extract the midsurface & mesh the component with given quality parameters & assign the thickness on a plastic bottle cap component. DESCRIPTION:       S.No  Quality Criteria  Value  1 Target/Average length   1 2 Minimum Length  0.5…

Aim:         To perform a drop test for a mobile phone onto steel platform. DESCRIPTION:                     The test consists of dropping a device on its back, corner, and front from 1 meter. If a device survives the first three drops,…

 AIM :           To solve the below Force-Displacement non-linear response of a material using both explicit and implicit methods and to compare the results to find out which method gives better approximate results. The Force-Displacement relation is given below :        …

AIM:        To extract the midsurface & mesh the component with given quality parameters & assign the thickness on a hood component. DESCRIPTION:                         Hood model consisits of five parts:  Hatch  Left…

AIM:       In this challenge, we are going to mesh the car rear mirror with the help of solid tetra meshing. we are going to assign volumetric meshing to the solid geometry. DESCRIPTION: S.No  Quality Criteria  Value  1 Target/Average length   1 2 Minimum Length  0.5 3…

AIM:        To implement connections for a Rear Door FE model. DESCRIPTION:                   Understand car rear door assembly Understand different types of connections and 1D elements. Perform connections for a FE model. PROCEDURE: Methodology for…

AIM: To practice all the Morphing techniques that were shown in the video for the given component METHODOLOGY: Import model and do Geometry clean up Open Morphing module  Apply the  changes with different options available  INTRODUCTION: Morphing Morphing in ANSA is a very powerful and intuitive tool, it…

AIM:        Convert the given measurements into different system of units & finding their corresponding conversion factors. Value of the following measurements are given as follows: MASS -1kgLENGTH-1mTIME-1sFORCE-1NSTRESS-1PaENERGY-1NmDENSITY-1Kg/m3YOUNG'S Modulus -210GPaVelocity-56.33KMPHGRAVITY-9.8m/s2…

AIM:        For the given component 2D meshing on the instrumental pannel check for the geometrical errors and mesh with the given element Quality criteria. After meshing the component the thickness has to be assigned. OBJECTIVE:   Introduction to shell meshing i.e. 2D meshing Geometry check…

Time duration - 9 hrs

Time duration Model-1 : 8 hrs Model-2 : 6 hrs

AIM:         1)  To perform the roof crash analysis on Neon Dodge BIW set-up the model by following parameters.              i) Import both NEON-BIW model & FMVSS 216 Impactor in Radioss         2) By following the transforms…

AIM:       1) To perform side pole crash for BIW model using radioss for the given parameters.    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 penetration and intersections. Create rigid…

 AIM:         i) To perform frontal crash for neon car BIW model by initially setting up with the following parameters: 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.…

AIM:       To mesh the component (rear wheel holder) with the given quality criteria. QUALITY CRITERIA: Target Element Length = 5 Units S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2 Units 6 Max. Length 8 Units…

AIM:       To mesh the given component(side door of a passenger vehicle) & assign thickness by following the given quality criteria. QUALITY CRITERIA: Target Element Length = 4 Units S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5…

AIM:       To create 1D connectors in the given component in hypermesh by achieiving following quality criteria. S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2 Units 6 Max. Length 8 Units 7 Min angle…

AIM:      1) Create a Teramesh for Housing component with the following quality criteria.      2) For the given model, Create a 3D Tetramesh with the following quality criteria.       3) For the given assembly model, Create a 3D Tetramesh with the following quality criteria.OBJECTIVE:                Model - 1: 2d to 3d…

AIM:     1)  Check the geometry for the given model.     2)  Extract all the mid-surfaces of the given component.     3)  Mesh the component by following the mentioned quality criteria & asssign the thickness. Target Element Length = 5 Units S.N Quality Criteria …

 AIM:         Take a mid surface & mesh the given component & create 1d element on the following component with given cross-section and DOF   a. Rod element:- Translational DOF should be Constrained with RBE2 link Cross-Section: Box - Dimension a= 12 mm…

AIM: Run the crash tube model as it is. Change the Inacti=6 and run. Create the type 11 contact and run. Remove both notches  and remove boundary condition on rigid body node then run. Create a new notch in the middle ,select the whole section and run. Create a new notch with nodes only from opposing 2 faces and run. Plot…

AIM:        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 energies…

AIM:       1) Find the types of power converter circuits which are employed in electric and hybrid electric vehicle.       2) An Electric Vehicle's powertrain with 72V battery pack & duty ratio for acceleration operation is 'd1' & for the braking…

AIM:       1) Find the difference between the mapped and dynamic model of engine, motor and generator. How can you change the model type?       2) Calculate miles per gallon for the model and the factors to be considered for the model fuel flow.       3) Run…

AIM:       1) Search and list out the total weight of various types of aircrafts.        2) Is there any difference between ground speed and air speed?        3) Why is it not recommended to use aircraft engine power to move it on the ground…

AIM:       1) For a defined driving cycle, calculate the energy required for braking.       2) Why electric motor can’t develop braking torque at high speed similar to starting? How electric and mechanical brakes are coordinated?        3) Make…

AIM:        1) Run the MATLAB model of Speed control of a DC motor using BJT-H Bridge & modify the model such that armature current doesn’t shoot up                   when motor changes direction from forward to reverse.   …

AIM:       1) Check the material properties of the rail component and calculate the speed of sound in steel rail.       2) The length of the rail is about 1000 mm.calculate the time takes for a shock wave to travel from one end of the rail to the other.    …

AIM:       Carry out the geometry cleanup operation on the given 3 files. Practice  Clip Repair Mounting Bracket OBJECTIVES:                     There should not be any free edges, convert all of them into refine geometry. Clean the geometry.…

AIM:        1) For EV_defaults_in file, if cargo mass is 500 kg with all other default conditions, can the vehicle travel for 45 km with FTP drive cycle.        2) From the above case, try to change the battery capacity and repeat the cycle.        3) Perform…

AIM:        To parse the thermodynamic data ansd calculate the thermodynamic properties of various gas species using MATLAB DESCRIPTION:          PARSING: Parsing, syntax analysis, or syntactic analysis is the process of analyzing a string of symbols, either in natural…

AIM:      Implement control logic of a “washing machine” using Stateflow as per given sequence:  If the power supply is available, the system gets activated. If the Water supply is not available, stop the process & indicate through LED Soaking time should be 200s followed by Washing…

AIM:       To make a simulink model of using doorbell using solenoid block and by using thermistor to sense the temperature of a heater (turn on or turn off)  the fan. OBJECTIVE:                    1) Create a situation where the switch is…

Aim:        By using Matlab write a code to optimise the stalagmite function and find the global maxima for the function. Description:                    Genetic Algorithm is a process of natural selection that belongs to the larger class of evolutionary…

Aim:       Write a program to simulate the transient behaviour of a simple pendulum and to create an animation of it's motion.  Description: Simple Pendulum - A pendulum is a weight suspended from a pivot, so that it can swing freely. When a pendulum is displaced sideways from its resting,…

Description:                 Calculate the drag force on a bicycle using MATLAB and PLOT using DragForce vs Velocity. Formula for Drag Force: Fd=1/2*P*A*V.^2*cd   where: Fd-Newton(N) - kg/m-s.^2 Density - kg/m.^3 Velocity (V) - m.^2 Constant - m.^2/s.^2 Program: Case-1:…