Week - 9 Material Modeling from Raw Data

#13 // Project – 2 Bird Strike in Aero Engine. AIM: In this project, we have performed the bird strike analysis using the Lagrange formulation. The bird is simplified in this case because the shell element is used and the material used for the bird is elastic material. Except that everything is kept…

#12 // week- 11 Joint creation and Demonstration.   Aim: To demonstrate revolute, cylindrical, spherical, and translational joints between two rigid bodies also with two deformable bodies using the *CONSTRAINED_JOINT keyword. Objective: To create four types of joints using constrained extra nodes and constrained nodal…

#11 // Week - 10 Hyperelastic Material Models. Aim: To calculate the Mooney Rivlin and Ogden material constants from the material data and validate them using stress-strain data from the tensile test of a dogbone specimen. Objective: To calculate the Mooney Rivlin and Ogden material constants…

#10 // Week - 9 Material Modeling from Raw Data. Aim: To perform the simulation and validate the curve as shown in the figure (Raw data) with the simulation post-processing curve. Objective: Using the given video link, extract the data from the figure, and used it for validation. Create a material model for the Dogbone…

#9 // Week - 8 Mass Scaling.   Aim: To use the mass scaling techniques in explicit and implicit to reduce the run time of the simulation and compare the runtime using the trial & error method in LS-Dyna. Introduction-  Mass scaling- the concept of mass scaling is used to reduce the Computational time…

#8 // Week_ 7 Head Impact. AIM: PEDESTRIAN HEAD IMPACT SIMULATION USING LS-DYNA. OBJECTIVE: To perform the Head Impact Simulation and calculate the Head Impact Criterion (HIC) value for the following cases. Simple head model impacting against a rigid wall. Child’s head-form dummy model impacting against…

#7 // Week-6 Calculate the Stretch Ratio by comparing the ELFORM (-2,-1,1,2) with Ogden_Material Model.   AIM:  To perform the simulation using ELFORM = 1, 2, -1, -2 and calculate the stretch ratio. KEYWORDS: ELFORM, Stretch ratio, Strain, Stress, etc., SOFTWARE: LS-Dyna OBJECTIVE: 1) To Create…

#6 / Week _ 5 - Modelling Spotwelds. AIM:  To simulate the spotweld created using a beam and solid element and run the model to compare them.  ABSTRACT: In this challenge, we will compare the models first by creating the spot weld using a beam element and then by creating the element using the solid…

#5 // Week - 4 _ Crash Box Simulation.   AIM: To extract the model into LS-DYNA, and to create all the required keywords into the model, by creating a Rigid wall in it, with a crash velocity of 50 kmph which is 13.89 mm/ms, with two different thicknesses needed to be assigned.   Set-up: A crash box…

#4 // Week _ 3 Drop test Challenge.   Aim: To Create drop test simulation using LS-DYNA. Objective:  To create material for different parts. To create section for solid and shell elements. Assigning material and section ID to parts. Create Boundary conditions. Create Contact between phone…

#3 // Week _ 2 - Explicit and Implicit Analysis. AIM:  Solve the above-given equation in both the Implicit and Explicit methods and compare the result with the exact result. OBJECTIVE: To solve the given non-linear equation "F(u) = u3+9u2+4u" using both Explicit and Implicit Methods with a residual tolerance…

#2 // Week _ 1 - Consistency of Units. Aim: Writing a detailed report of unit conversion as per different standards followed in different industries.   Objective: To convert the unit to gm, mm, and ms in the calculation. Other Standards units can be formed in the table form.   Conversion of S.I units ->…

#16 // Assignment 7- Side Pole Crash Simulation Challenge. AIM: Side Pole Crash Simulation of Dodge Neon BIW using RADIOSS solver and Pre-processing using HyperMesh / HyperCrash. OBJECTIVE: To perform a crash analysis on the left side of a Dodge Neon BIW, also known as a side crash. The analysis is to be carried out on…

#15 // Assignment 6 / PROJECT -1 - Frontal Crash Simulation Challenge. AIM:  Frontal car crash simulation of Dodge Neon BIW using RADIOSS solver and Pre-processing using HyperMesh / HyperCrash. OBJECTIVE:  Frontal crash-BIW -> To check the unit system and either follow [Mg mm s] or [Kg mm ms]. To create the…

#14 // Assignment 5- RADIOSS Interfaces & Study of Effect of Notches Challenge.   AIM:  CASE_A -> Create the 2D mesh for bumper assembly.(mesh size should be 6mm.)  CASE_B -> Create different type of interfaces, assign recommended values to the interfaces and compare the base simulation setup results…

 #13 // Assignment 4 - RADIOSS Material Laws Challenge. AIM: To run crash analysis on the given model by applying different materials laws available in Radioss and post-process the results. OBJECTIVE: To carry out simulations of the given starter files and compare the results. There shall be 7 cases (according to…

#12 // Assignment 3-2D Element Formulation Challenge. AIM: 1) Run the simulation with the default property card (CASE 1). 2) Changing the property card (CASE 2). 3) Comparing CASE 1 & CASE 2.   OBJECTIVE: Comparison of results with base simulation and improved shell element properties. 1.Using the crash beam file…

#11 // Assignment 2_RADIOSS Engine File Editing & 3D Meshing Challenge. AIM: To study about the starter file and engine file in RADIOSS by changing the parameters for the given file. And also perform a 3D meshing on the HOUSING MODEL which one will have tetra mesh and ARM BRACKET have hex mesh. OBJECTIVE: 1/ Check…

#10 // Assignment 1_ 2D Meshing Challenge. Aim: To Mesh the given components by giving the target Element size as "5 units", as per given Quality criteria and assigning the thickness to the FE. OBJECTIVE: Geometry clean-up. Extract Mid-Surface. Meshing as per given Quality Criteria. Assign Thickness. Given Quality…

#14 // Week 12: Project 2-Meshing of Rear Wheel Holder challenge. AIM: To mesh the rear wheel holder of a car following the element quality criteria given. OBJECTIVE: To generate the mid surface manually and do a geometry clean up on the component. To generate a mesh and to get a proper mesh flow on the given component…

#13 // Week 12: Project-1-Meshing of Door Inner Panel Challenge. AIM: To extract the mid surface and generate the mesh the given plastic component of door inner panel within given quality criteria and assigning thickness to it. OBJECTIVE: Importing geometry and clean-up. Generating Midsurface and geometry clean up on the…

#11 // Week 9-Creation of 1D Connectors Challenge.   AIM: To create various types of 1D Connectors. OBJECTIVE: 1. First mesh the frame assembly as per given quality criteria. 2. To create connectors at the different joints and attach the various parts in the given model. The connectors to be used at the…

#10 // Week 8-3D Tetra Meshing Challenge AIM: To perform 3D tetra meshing for the given components which satisfies the given element quality parameters. OBJECTIVE: > To create a tetra mesh for the given component. 2D to 3D Conversion for Model 1. Quick Tetra Mesh/ Volume Tetra Mesh for Model 2. Quick Tetra Mesh/ Volume…

#5 // Week 6- Meshing of Hood Challenge. AIM: To mesh the given hood model with target element length as 5. also clear all the quality criteria’s given and mesh hood model by using mixed [not quad] option. OBJECTIVE: To generating Mid-surface and geometry clean up on the given hood model. Mesh the component given…

#3 - Week 4 /1D Element Creation Challenge. -> AIM: To study and create 1D element on the given component. OBJECTIVE: To mesh the model with the given element size of 5units. To create 1D elements on the component with the given cross-section and degree of freedom(dof). INTRODUCTION: 1D elements are used for modeling line-type…

#20 // Project - 2 - Meshing on the suspension Assembly. AIM: Mesh the given rear suspension assembly accordingly with 2D & Volume meshing as per the given quality criteria. Connections to be deployed for the model. Replicate the model symmetrically after all the meshing and connections. OBJECTIVE:   …

#19 // Project 1 - 2D meshing on the instrumental Panel    AIM:   Pre-processing of the car instrument Panel using ANSA.  OBJECTIVE: The main objective for the given component is to check for the geometrical errors and mesh with the given element Quality criteria. At the end, the thickness has…

#15 - Week 6 - Creating connection for Rear door AIM:  To perform different types of 1D connections to the Rear door FE model in order to set it right for further solving. OBJECTIVE:  for the given Rear door FE model, Create and apply different PIDs for different components. Perform suitable connections. [Note:…

#13 / WEEK-5 // SOLID MESHING . AIM:- For the given Rear view mirror component, check for the geometrical errors and mesh the Surfaces with the given 2D element Quality criteria’s given.  Use tetra elements to mesh the Volumes defined in the model and check for the below quality after Volume meshing. OBJECTIVE:- Check…

#18 / WEEK-8 // MORPHING. AIM: To perform the Morphing for the given model.   OBJECTIVE: -Importing geometry to ANSA software. -Topology clean-up. -Morphing the required surfaces.   INTRODUCTION: Morphing Morphing in ANSA is a very powerful and intuitive tool, it can be used to reshape, redesign, and detail a CAE model…

#14 / TOOL TEST 2 AIM:  VOLUME MESH GENERATION FOR INTAKE MANIFOLD USING ANSA (UNSTRUCTURED MESH) OBJECTIVE: Import the CAD geometry of Intake Manifold Clean up the geometry until no topological error is found Mesh geometry with target/average length of 3mm with no errors. Assign closed volume and generate unstructured…

Tool Test 1 AIM: MID SURFACING AND MESHING OF SWITCH PANEL AND SHEET OBJECTIVES: Open model in ANSA and perform topology and assign proper orientation to the geometry. Perform geometry clean-up and create mid-surfacing of all the parts. Defeature all the connections of mid surfaces to generate proper mesh flow. Assign…

#11. / 2D Meshing for Plastic Components. AIM: 2D meshing for Plastic components. OBJECTIVE: To check for the geometric errors, extract the mid surface with suitable technique and perform meshing on the plastic bottle cap with mentioned quality criteria. PROCEDURE: The following image shows the isometric view of the plastic…

#10. Week 3 // 2D meshing for sheet metal. AIM: 2D Meshing for sheet metal (car hood). OBJECTIVE: For the given Hood model, we have to perform pre-processing i.e., Geometry clean-up, Mid surface extraction, and 2D shell meshing for the hood component of a car. After meshing, component thickness and material need to be…

#9 /PROJECT 1 – Parsing NASA thermodynamic data. AIM:- Write a MATLAB Program that extracts the 14 co-efficient and calculates the Enthalpy, Entropy and Specific Heats for all the species in the data file – NASA Thermodynamic Data. OBJECTIVE:- To write a function that extracts the 14 co-efficients and calculates…

#10 /Project 2 – Rankine Cycle Simulator. AIM: To Programme a Rankine Cycle Simulator using MATLAB. OBJECTIVE: To write a code in MATLAB that creates a ‘T-S’ and ‘H-S’ diagram for Rankine Cycle. To calculate the Net Work & back work ratio of the Rankine Cycle based on user inputs. THEORY: The Rankine cycle is the fundamental…

#8. GENETIC ALGORITHM (Ga) AIM: To write a program to calculate Global Maxima using Genetic Algorithm, using MATLAB. OBJECTIVE:  Write a code in MATLAB to optimise the stalagmite function and find the global maxima of the function. With Unbounded inputs.(Case1) With Bounded inputs.(Case2) With Bounded inputs…

SECOND ORDER ODEs: AIM: To solve second order ordinary differential equation using MATLAB. OBJECTIVE: To create a plot between angular velocity and displacement of simple pendulum by using ode45 in MATLAB. To create an animation of simple pendulum by using second order differential equation by using ode solver function.…

    The Forward kinematics of a 2R Robotic Arm AIM: Write a program in MATLAB to simulate the forward kinematics of a 2R Robotic Arm. OBJECTIVE:                        1. Write a program to simulate forward kinematics of a 2R Robotic Arm.                       2. To create a Movie/ Animation from the plots obtained from…