PROCEDURES:- Importing the geometry into the workspace by Import geometry option and deleteing the wire frame Creating the Mid Surface for the given Component By selecting the geometry top part and bottm part creating the mid surface on both top and bottom side of bracket. Now assigning the material and its property on…

Aim: To extract mid-surface and generate mesh on hood using Hyper Mesh. Steps Involved: Importing geometry and cleanup. Extracting Mid-Surface and Assigning propeties. Meshing the surface within the given quality criteria.   Quality Criteria: Quality criteria for the meshing of all the components are given as below:- Target…

AIM-  To perform 3D tetra mesh on the give models.   Procedure- Model 1 (Housing) Step 1- Importing the given model and check for any geometry error. With the second method that is by using quick tetra mesh from utility panel. Here we will go for utility in view then browser then hypermesh then utility. after…

Aim: To mesh the given geometry and create 1D connectors at desired location using Hypermesh. As per below mentioned Element Quality- Target Element Size-5 Units     S. No.   Quality Criteria     Value        1.     Aspect Ratio        5  …

Aim: To Extract MidSurface, geometry cleanup and create the shell(2D Mesh) Mesh for the given side door panel according to the given quality criteria. Quality Criteria Requirement:  S. No.      Quality Criteria     Value    1         Aspect Ratio    …

Aim: To extract a mid surface and meshing the given component.   Objectives: To perform the geometric clean up on the model for any error on it. To extract a mid surface of the given model. To clean and defeature the mid surface so as to avoid any minimum length errors while meshing the model. To mesh the mid surface…

Aim- For the given Hood Model. Taken the mid surface for all the components after checking the geometrical errors and mesh the mid surface with the given element quality criteria. Quality Criteria- S. No.         Quality Criteria      Value    1     Target/ Average Length        5    2         Minimum Length        2  …

Objective:- To extract the mid surface and mesh the given cap component using given quality criteria and assign correct thickness to the property. S.No.            Quality Criteria       Value    1      Target / Average length        …

AIM:- To perform Tetra-Mesh for the Rearview mirror with the quality parameters as given below. 2D Parameter- S. No.     Quality Criteria     Value    1.  Target/Average length        1    2.      Minimum Length       0.5  …

OBJECTIVE- To Perform the connections of the rear door of the car with different connection techniques.   PROCEDURE- Importing Geometry to Ansa work space. Setting seperate PID for different connections of parts. For Holes we will give bolt as connection, for that we will need 3D point at center then we will…

AIM:- To perform Morphing operation on the given two models.   PROCEDURE:- Model-1 At First we will import the component in the Ansa work space and perform Geometric and Topological Cleanup. Now we will go to Morph tab and selecting new in box tab then we will select the required macro to create a morph box around…

AIM:- To perform 2D meshing on the instrumental panel by checking the geometrical errors and mesh with the given element quality criteria. PROCEDURE:- At first we will import the geometry to the ANSA workspace. As we have imported their might be a chance that their would be some geometrical errors present. So we will perform…

AIM:- Conversion of given mesurements into different unit systems and to find their corresponding conversions. EXPLANATION:- Value of the measurements are given as follows- MASS 1 KG LENGTH 1 MTR. TIME 1 SEC. FORCR 1N STRESS 1PA. ENERGY 1Nm DENSITY 1 KG/M^3 YOUNG'S MODULUS 210 GPa VELOCITY 56.33 KMPH GRAVITY 9.8 MTR./S^2…

 AIM: In this challange our objectives are to mesh the components in the assembly as per the quality criteria and mesh mesh parameter provided. And using appropriate connection in the suspension assembly.Creating other half of the assembly by symmetry command. PROCEDURE: Firstly we will improting the CAD model…

AIM- To study about implicit andexplicit method to solve engineering problems.   OBJECTIVES- To solve the given equation F(U)=U^3+9U^2+4U by using both Implicit and Explicit method with tolerance 0.001.  EXPLICIT METHOD- Explicite method is a function of time, being a function of time, the…

AIM- To Create a complete simulation file to perform a drop test from given basic .k file consiting of only nodes and elements. Essential Keywords should be added to create a basic solver deck to simulate a drop test.   PROCEDURE- We will load componenet in LS-Pre Post after opening. The given file consists of…

AIM: To Simulate a crash test for a Crash Box which is impacting on rigid wall for two different condition 1.2 mm and 1.5 mm.   PROCEDURE:  Firstly we will import .k file in LS-Dyna Workspace. We will be modelling the rigid wall which mimic surface or volume that are frequently used to present stiffer structure…

AIM: The objective of this challange is to model spot welds to join the two sheet metal components using beam elements on first case and solid elements on the second and compare the axial and shear force experianced by the spot welds in both the cases. PROCEDURE: We will firstly open the .K file in LS-DYNA workspace as…

AIM: In this challange given Ogden Material card which is hyperelastic (Rubber). We have to create a 10X10X10 mm solid mesh and run on it with stretch ratio of 5. Compare different element formulations of solids 1,-1,2,-2 and polt engineering stress vs stretch value.   EXPLANATION:  This simulation is happening…

AIM: To Perform the Head Impact Simulation and Calculate the Head Impact Criteria (HIC) values for the given conditions. Simple Head model impacting against rigid wall. Child Headform model impacting against rigid wall. Child Headform model impactinf aginst car hood. INTRODUCTION: Pedestrian Safety Simulation is a part…

AIM: To perform the simulation by reducing and stabilizing the runtime with the help of mass scale factor. OBJECTIVE: To understand the motive of computational time with or without mass scale factor. And also ensuring the stability of mass scaling at 8%. INTRODUCTION: Mass Scale:- It is refers to a technique whereby…

AIM: To Extract the stress-strain data points from the image and input them into LS-Dyna and compare the results of simulation with that obtained from the raw data. PROCEDURE: Firstly we will extract the data from the curve 1 of the image given with the help of data digitizer tool. Now these traced data points which represents…

AIM: To Calculate the Mooney Rivlin and Ogden Material constants and to compare the both using stress-strain data from a Dogbone Specimen tensile test with 100% strain from d3hsp file and from the simulation as well. THEORY: Hyper elastic material are the material which has the capablity to stretch with more than 100%…

OBJECTIVE:- To illustrate the mechanism of Spherical,Cylindrical,Translational and Revolute Joints between rigid bodies and Deformable bodies. The various types of joints can be created in LS-DYNA using CONSTRAINED_JOINT Keyword.   PROCEDURE:- JOINTS BETWEEN RIGID BODIES 1) REVOLUTE JOINT- Firstly, we need to create…

 AIM: To perfom and simulate non-linear transient birdstrike where the bird tried to hit the gas turbine blade by using explicit analysis LS-DYNA. OBJECTIVE: The FE model consists of 4 parts that need to be separated and save part-wise. The suitable material is created and saved in a subfolder. The node number, element…