Crash simulation of Spotweld modeled assembly using LS-DYNA Objective: Spot welding is the most common technique for connecting metal parts of an automotive body. A few thousands of these spot welds are applied to a car body-in-white structure during an automated assembly process. Therefore it’s obvious that…
Dileep Kumar K
updated on 10 Jul 2020
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Read more Projects by Dileep Kumar K (55)
BIRD-STRIKE ANALYSIS ON AN AIRCRAFT WINDSHIELD USING LS-DYNA
BIRD-STRIKE ANALYSIS ON AN AIRCRAFT WINDSHIELD USING LS-DYNA Introduction: A bird strike refers to collision between an aircraft and a bird. It mostly occurs at the low altitude or on the ground i.e. runways during take-offs and landings. With the increase in number of annual flights, birdstrike incidents have also…
09 Sep 2020 04:14 PM IST
MESHING OF SIDE DOOR AND DASHBOARD MODELS OF A CAR USING ANSA
MESHING OF SIDE DOOR AND DASHBOARD MODELS OF A CAR ANSA,developed by BETA CAE Systems, is a popular pre-processing tool used in CAE industries. Objective: To perform geometry cleanup and create 2D mesh for side door and dashboard models of a car with the given element quality criteria and also to assign…
30 Aug 2020 08:50 AM IST
STRUCTURED MESHING ON LAMBORGHINI AVENTADOR CAR MODEL USING HYPERMESH
Objective: To perform a structured desirable mesh pattern on a Lamborghini Aventador car model using Hypermesh. Methodology: 1. Geometry cleanup 2. Surfaces splitting 3. Meshing each surfaces one by one 4. Correcting mesh flow Geometry cleanup: Hypermesh can be directly used to access the geometric models from leading…
25 Aug 2020 10:46 AM IST
BIRD STRIKE ANALYSIS ON AN AIRCRAFT ENGINE USING LS-DYNA
BIRD STRIKE ANALYSIS ON AN AIRCRAFT ENGINE USING LS-DYNA Introduction: A bird strike refers to collision between an aircraft and a bird. It mostly occurs at the low altitude or on the ground i.e. runways during take-offs and landings. With the increase in number of annual flights, Birdstrike incidents have also…
09 Aug 2020 07:29 AM IST
HYPERELASTIC MATERIAL MODELS IN LS-DYNA
HYPERELASTIC MATERIAL MODELS IN LS-DYNA Objective: The following are the objectives of the project, > To conduct a uniaxial tensile test for a Dogbone specimen with 100 percent strain. > To determine the Hyperelastic Mooney-Rivlin and Ogden material constants obtained…
27 Jul 2020 04:03 PM IST
CREATION AND DEMONSTRATION OF JOINTS USING LS-DYNA
CREATION AND DEMONSTRATION OF JOINTS USING LS-DYNA Objective: To create various types of mechanical joints like revolute joint,spherical joint,cylindrical joint and translation joint using LS-DYNA. Also to demonstrate their working mechanisms. Mechanism: Mechanism is a collection of bodies (links) that may be interconnected…
26 Jul 2020 12:36 PM IST
PYTHON PROGRAM TO CALCULATE DISPLACEMENT OF A BAR UNDER TENSION USING EXPLICIT AND IMPLICIT METHODS
EXPLICIT AND IMPLICIT METHODS TO CALCULATE DISPLACEMENT OF A BAR UNDER TENSION Introduction: Explicit and implicit methods are approaches used in numerical analysis for obtaining numerical approximations to the solutions of time-dependent ordinary…
18 Jul 2020 05:26 PM IST
MATERIAL MODELLING FROM RAW DATA USING LS-DYNA
MATERIAL MODELLING FROM RAW DATA USING LS-DYNA Objective: LS-DYNA contains a wealth of material models that allow for the simulation of transient phenomena required to determine material model parameters where material properties are converted into values required by constitutive equations. The main aim of…
18 Jul 2020 07:25 AM IST
MASS SCALING IN LS-DYNA
MASS SCALING IN LS-DYNA Objective: One of the most important techniques in CAE industry to reduce the run time of an explicit FE analysis is 'Mass Scaling'. The main objective of this report is to make use of mass scaling technique to effectively reduce the simulation run time and to ensure the stability of mass…
13 Jul 2020 08:40 AM IST
EXPLICIT AND IMPLICIT ANALYSIS IN CAE
EXPLICIT AND IMPLICIT ANALYSIS IN CAE Objective: To solve the equation `F(u) = u^3+9u^2+4u` using both explicit and implicit methods with a residual tolerance of 0.01. In the equation, F-Force in the bar and u-displacement in the bar. The problem is solved by both explicit and implicit analysis methods. In…
10 Jul 2020 10:49 AM IST
PYTHON PROGRAM TO BUILD AN OTTO CYCLE AND PLOT THE P-V DIAGRAM
PYTHON PROGRAM TO BUILD AN OTTO CYCLE AND PLOT THE P-V DIAGRAM Objective: To write a Python program to build an Otto cycle and plot its P-V diagram.Also to calculate its thermal efficiency. Physics involved: Otto cycle: An Otto cycle is an idealized thermodynamic cycle that describes the functioning of a typical…
10 Jul 2020 10:49 AM IST
PYTHON PROGRAM TO SOLVE THE EQUATION OF MOTION OF A SIMPLE PENDULUM WITH DAMPING
PYTHON PROGRAM TO SOLVE THE EQUATION OF MOTION OF A SIMPLE PENDULUM WITH DAMPING Objective: To write a Python program that would solve the equation of motion of a simple pendulum with damping and simulate the pendulum motion. Simple Pendulum: Any weight which is suspended from a pivot and can swing freely when displaced…
10 Jul 2020 10:48 AM IST
PYTHON PROGRAM TO PERFORM CURVE FIT
PYTHON PROGRAM TO PERFORM CURVE FIT Objective: To write a Python program that would perform a curve fit for a range of values of temperature and specific heat capacity of a fluid at constant pressure. Curve fitting: Curve fitting is the way we model or represent a data spread by assigning a best fit function (curve) along…
10 Jul 2020 10:47 AM IST
PYTHON PROGRAM TO READ AN ENGINE DATA FILE AND CREATE A DATA VISUALIZER
PYTHON PROGRAM TO READ AN ENGINE DATA FILE AND CREATE A DATA VISUALIZER Objective: To write a Python program that would read the file containing an engine's data and create a data visualizer. Also to plot the P-V diagram of the engine and calculate its power output and specific fuel consumption. Data analysis: Python…
10 Jul 2020 10:47 AM IST
TOPOLOGY OPTIMIZATION OF BRAKE PEDAL ARM USING ANSYS WORKBENCH
TOPOLOGY OPTIMIZATION OF BRAKE PEDAL ARM USING ANSYS WORKBENCH Objective: To optimize for the structural layout of a brake pedal arm within a given design space by using Topology optimization module in ANSYS workbench. In this project a linear static analysis is carried out to minimize the compliance of the…
10 Jul 2020 10:46 AM IST
CRASH BOX SIMULATION USING LS-DYNA
CRASH BOX SIMULATION USING LS-DYNA Objective: A crash box is a highly energy absorbing structure that crashes on application of loads and reduces impact on other components nearby. The main aim of this challenge is to simulate how a crash box behaves during frontal impact into a rigidwall using LS-DYNA. Also, to…
10 Jul 2020 10:46 AM IST
CRASH SIMULATION OF SPOTWELD MODELED ASSEMBLY USING LS-DYNA
Crash simulation of Spotweld modeled assembly using LS-DYNA Objective: Spot welding is the most common technique for connecting metal parts of an automotive body. A few thousands of these spot welds are applied to a car body-in-white structure during an automated assembly process. Therefore it’s obvious that…
10 Jul 2020 10:45 AM IST
Calculation of Stretch Ratio by comparing the ELFORM (-2,-1,1,2) with Ogden_Material Model in LS-DYNA
Calculation of Stretch Ratio by comparing the ELFORM (-2,-1,1,2) with Ogden_Material Model in LS-DYNA Objective: The main aim of this work is to calculate the stretch ratio of a cubic block subjected to tension, used with element formulations -2,-1,1,2 using Ogden_Material material model in LS-DYNA. Also to compare…
10 Jul 2020 10:43 AM IST
HEAD IMPACT SIMULATION USING LS-DYNA
HEAD IMPACT SIMULATION USING LS-DYNA Objective: The objective of this project is to perform a head impact simulation of a pedestrian headfoam model against a rigid wall and a hood of a car using LS-DYNA. Also, the head impact coefficient (HIC) should be calculated for each case using LS Prepost. Pedestrian head…
10 Jul 2020 10:43 AM IST
DROP TEST OF A CELLPHONE USING LS-DYNA
DROP TEST OF A CELLPHONE USING LS-DYNA Objective: Drop test simulation plays an important role in investigating impact behaviors and identifying weak points of a cellular phone at design stage since actual testing is expensive and time consuming. The main aim of this challenge is to simulate how a cellular phone, placed…
10 Jul 2020 10:42 AM IST
PYTHON PROGRAM TO CALCULATE DRAG FORCE AGAINST A CYCLIST
Objective: To write a python program for the calculation of drag force against a cyclist for following two cases. Case 1: Keeping the drag coefficient as constant and varying the cyclist’s velocity Case 2: Keeping the cyclist’s velocity as constant and varying the drag coefficient Physics involved: A…
18 May 2020 10:50 AM IST
Simulation of iPhone bending using ANSYS workbench
Objective: To perform the bending of iPhone simulation and obtain the fatigue life of material using ANSYS workbench. Case 1:The simulation is carried out by placing the pushing fingers near one of the side edges of the iPhone. Case 2:The simulation is carried out by placing the pushing fingers at the middle of the iPhone.…
07 May 2020 12:37 PM IST
MESHING OF IP SUBSTRATE MODEL USING ANSA
MESHING OF IP SUBSTRATE MODEL Objective: To perform geometry cleanup and create 2D mesh for an IP substrate model with the given element quality criteria and also to assign midsurface thickness to the shell elements using ANSA. Methodology: Geometry cleanup Midsurface extraction Meshing as per…
06 May 2020 12:08 PM IST
MESHING OF REAR SUSPENSION MODEL AND IMPLEMENTING CONNECTIONS USING ANSA
MESHING OF REAR SUSPENSION MODEL AND IMPLEMENTING CONNECTIONS Objective: To create 2D mesh and 3D for a rear suspension model with the given element quality criteria and to assign midsurface thickness to the shell elements using ANSA.Also to implement connection in the required…
06 May 2020 11:20 AM IST
MESHING AND MORPHING OF SHEET METAL COMPONENT USING ANSA
MESHING AND MORPHING OF SHEET METAL COMPONENT Objective: To mesh a sheet metal component according to the quality criteria and perform a few morphing techniques on the geometry of the sheet metal. Procedure: The given sheet metal component is imported into ANSA. Geometry cleanup: The given sheet metal component…
02 May 2020 09:47 AM IST
CONNECTION OF REARDOOR FE MODEL USING ANSA
CONNECTION OF REARDOOR FE MODEL: Objective: To peform connections using various connection techniques for a reardoor FE model using ANSA. Procedure: The reardoor FE model is imported into ANSA. The various parts of the door are separated and assigned with individual properties accordingly to view in PID mode. …
27 Apr 2020 11:26 AM IST
TETRA MESHING OF ENGINE INTAKE MANIFOLD MODEL USING ANSA
TETRA MESHING OF ENGINE INTAKE MANIFOLD MODEL Objective: To check for the geometrical errors and perform volume meshing using tetra elements for an engine intake manifold model as per the given quality criteria using ANSA. Methodology: 1.Geometry cleanup2.Shell meshing for outer surfaces3.Volume…
25 Apr 2020 06:38 AM IST
TETRA MESHING OF REARVIEW MIRROR MODEL USING ANSA
TETRA MESHING OF REARVIEW MIRROR MODEL Objective: To check for the geometrical errors and perform volume meshing using tetra elements for a rearview mirror model as per the given quality criteria using ANSA. Methodology: Geometry cleanup Shell meshing for outer surfaces Volume meshing Quality…
23 Apr 2020 05:50 AM IST
MESHING OF SWITCH PANEL COMPONENT AND SHEET METAL COMPONENT USING ANSA
MESHING OF SWITCH PANEL COMPONENT AND SHEET METAL COMPONENT Objective: To create 2D mesh for a switch panel and a sheet metal component with the given element quality criteria and to assign midsurface thickness to the shell elements using ANSA. Methodology: Geometry cleanup Midsurface extraction Assigning suitable PID…
22 Apr 2020 10:20 AM IST
MESHING OF A BOTTLE CAP MODEL USING ANSA
MESHING OF A BOTTLE CAP MODEL Objective: To create 2D mesh for a bottle cap model with the given element quality criteria and to assign midsurface thickness to the shell elements using ANSA. Methodology: Geometry cleanup Midsurface extraction Meshing as per criteria Assigning thickness property Quality criteria: Procedure:…
12 Apr 2020 05:54 AM IST
2D MESHING OF HOOD OF A CAR USING ANSA
2D MESHING OF HOOD OF A CAR Objective: To create 2D mesh for the given hood component of a car according to the given element quality criteria using ANSA. Methodology: Geometry cleanup Midsurface extraction Assigning shell property Meshing as per criteria Quality criteria: Procedure: As the given component is a sheet metal…
09 Apr 2020 10:05 AM IST
Transient structural analysis on a piston and cam mechanism model using ANSYS workbench
Objective: To perform a transient structural analysis on a piston and cam mechanism model and run the analysis with frictionless contact, frictional contacts with coefficients 0.1 and 0.2 and compare the results for Equivalent stress, Directional deformation and Equivalent elastic strain between each cases using ANSYS…
04 Apr 2020 11:21 AM IST
Car crash simulation using ANSYS workbench
Objective: To perform a frontal impact car crash simulation in the explicit dynamic analysis module using ANSYS workbench and also perform a parametric study using three different values for thickness for the car body. Procedure: Explicit dynamic analysis module is opened in the project schematic window of ANSYS workbench…
04 Apr 2020 12:08 AM IST
Simulation of a bullet penetrating a bucket
Objective: To perform an explicit dynamic analysis on a bullet penetrating a bucket model setup using ANSYS workbench. Procedure: Explicit dynamic analysis module is opened in the project schematic window of ANSYS workbench and renamed as Bullet penetrating a bucket. Materials used: Three different non linear materials…
03 Apr 2020 05:07 AM IST
Tension and torsion simulation
Objective: To perform a tension test and a torsion test on the given specimen in Explicit dynamic analysis using ANSYS workbench. Procedure: Explicit dynamics module is opened in the project schematic window of ANSYS workbench and renamed accordingly as tension and torsion. Material used: Steel 1006 material is selected…
02 Apr 2020 08:39 AM IST
Explicit Dynamics analysis on Machining with planer setup
Objective: To perform an explicit dynamics simulation on machining with planer setup and to find out results for equivalent stress,total deformation and an user defined result such as temperature of the body. The analysis is to be performed for two cases. Case 1: Cutting tool with a velocity of 20000 mm/s Case 2: Cutting…
01 Apr 2020 11:27 PM IST
Transient structural analysis on a universal joint
Objective: To perform a transient structural analysis on a double universal joint with a spring made up of three different materials using ANSYS workbench and compare the results of Equivalent stress and Total deformation. Procedure: Transient structural analysis system is opened in the project schematic window of ANSYS…
01 Apr 2020 01:51 AM IST
Transient Structural analysis on a Worm Gear assembly using ANSYS workbench
Objective: To perform a transient structural analysis on a worm gear assembly using ANSYS workbench.The gear is cut by half and the simulation is demonstrated for Equivalent stress, Equivalent elastic strain and the Total deformation in the model. Procedure: Transient structural analysis is opened in the project schematic…
30 Mar 2020 11:59 AM IST
Simulation of a sphere pressing a plate using ANSYS
Objective: To simulate a sphere pressing a plate and demonstrate the plastic deformation on the plate using ANSYS. Procedure: Static structural analysis system is opened in the project schematic window of Ansys workbench. Structural steel Non-linear material is added to the Engineering data,chosen from the general non…
23 Mar 2020 06:36 AM IST
Simulation of Wire bending using ANSYS
Objective: To simulate bending of wire made up of three diiferent non-linear materials using Ansys. Materials used: The materials used for the wire,required for the analysis are Copper alloy non-linear-Case 1 Aluminium alloy non-linear-Case 2 Magnesium alloy non-linear-Case 3 Procedure: Static structural analysis system…
23 Mar 2020 04:42 AM IST
Simulation of rolling operation of a Copper work-piece using Ansys
Objective: To simulate rolling operation on a workpiece made up of copper using Ansys. Procedure: Static structural analysis system is opened in the project schematic window of Ansys workbench and renamed as Rolling copper. In Engineering data,copper material is added required for the analysis. Geometry: The given model…
22 Mar 2020 05:39 AM IST
Static structural analysis for the given geometry using three different weld materials using Ansys
Objective: To perform static structural analysis for the given geometry using three different weld materials. Weld Material used: Case 1. Stainless Steel: In this case ,Stainless steel is used for both weldments and plates. Case 2. Aluminium Alloy:The material to be chosen for this case is Aluminium alloy(high strength,…
21 Mar 2020 06:55 AM IST
Static Structural Analysis on Rail-wheel and Track in ANSYS
Objective: To perform a static structural analysis on Railwheel and track and compare Total Deformation, Equivalent Stress, and life under different loading condition. Also, implement user-defined result and compare the total deformation with the inbuilt result by ANSYS. Case 1: Multiply the bearing load by…
20 Mar 2020 03:18 AM IST
Static structural analysis and Grid dependency test on Bevel gear assembly
Objective: To perform grid dependency test for bevel gear with different mesh sizes, i.e., 6, 5, and 4 mm. Evaluate and Compare their von-mises stress, equivalent elastic strain, and total deformation. Grid Dependency Test: Grid dependency test is to investigate how the solution depends on the grid size by running the…
20 Mar 2020 12:49 AM IST
Static structural analysis of Spur Gear using Ansys
Objective: To carry out a static structural analysis for spur gear using three different materials and to compare Equivalent stress, Total deformation and Stress intensity. Procedure: 1.Static structural is opened in the project schematic window in Ansys workbench. 2.In Engineering data,the following materials are…
17 Mar 2020 01:22 AM IST
Static structural analysis on a plate with a hole geometry using Ansys workbench
Objective: To design plates ,one with single hole at the centre and another with multiple holes as given in the problem statement and analyse for stress concentration and total deformation in the plates. Case 1:Plate with single hole Plate dimensions: Length=300mmHeight=120mmThickness=30mmCircular Hole at the center:Diameter=60mm…
12 Mar 2020 12:54 AM IST
BATCH MESHING
OBJECTIVE: To perform Batch-meshing on the components with the given criteria and assign the nonlinear material property Steel to them. PROCEDURE: HOOD: 1. The criteria file is created by using preferences -criteria file settings and the given values are entered and saved. And the saved file is browsed in the batch mesh…
01 Mar 2020 12:42 PM IST
CONNECTORS TO ATTACH VARIOUS COMPONENTS
OBJECTIVE: To attach the given parts in the model with the connectors mentioned. PROCEDURE: Connectors are used to connect the different FE entities. After the meshing we need to connect the components with various connectors like seam weld, spot weld, bolt,adhesives are also used. Without connectors the proper results…
01 Mar 2020 12:28 PM IST
3D TETRA MESH GENERATION USING HYPERMESH
Objective: To create 3d tetra mesh for the given models. Procedure: 1.Housing To create quick tetramesh goto view => browsers => hypermesh => utility => geom./mesh => quick tetramesh. Set the parameters,vol. comp list = components and selected all ,minimum tria angle as 20, mesh size as 5mm. mesh density…
25 Feb 2020 12:49 PM IST
MESHING OF HOOD
Objective: To mesh the given hood component according to the given meshing criteria. Procedure: The given component is Each component of the hood is subjected to midsurface extraction separately. For meshing,automesh option is used with element size as 5mm and mixed element type. Except latch component,other…
14 Feb 2020 04:43 AM IST
Creation of different 1D elements with mid surface extraction
Creation of different 1D elements with mid surface extraction: Objective: To create mid surface for the model and create 1D elements on the given component. Procedure: Import the model into the hypermesh Create mid surface of two brackets seperately. Delete Solid bodies. Create the rbe2 and rbe3 links from 1D option. Create…
08 Feb 2020 11:35 PM IST
SIDE CRASH ANALYSIS OF NEON BIW MODEL
SIDE CRASH ANALYSIS OF A NEON BIW MODEL OBJECTIVE: To perform the side crash analysis of neon BIW model on the rigid pole and analyze the b pillar, fuel tank, hinge pillar intrusion and the energy curves are generated for the BIW model during the impact and finally the peak velocity for the inner node of the door is also…
26 Jan 2020 10:08 AM IST
FRONTAL CRASH ANALYSIS OF NEON BIW
FRONTAL CRASH ANALYSIS OF NEON BIW OBJECTIVE: To simulate the frontal crash analysis of neon BIW is by creating a rigid wall in front of the bumper to impact. The distributed mass of 700Kgs is created to move the COG of model at the middle and near to driver\'s area. Finally, the simulation is Pre-Processed using HYPERMESH,…
25 Jan 2020 09:29 AM IST
Comparing the base setup simulation results and different kinematic condition simulation results
Comparing the base setup simulation results and different kinematic condition simulation results OBJECTIVE: -The main objective of assignment 5 is to simulate the crash tube and create interface contact, remove and create the new notch and also interpolate how does the notch affects the results. Mesh the Bumper Assembly…
20 Jan 2020 10:24 PM IST
REPORT ON COMPARISON OF RESULTS OF RUPTURE PLATE
OBJECTIVE: …
17 Jan 2020 07:40 AM IST