Objective To perform the tension and torsion test on the given specimen and to find out the total deformation, equivalent stress and temperature of the specimen. Procedure The given model is imported into the geometry and it is checked in spaceclaim for any irregularities. If not, the spaceclaim is closed and the…
Vineeth G
updated on 12 Nov 2021
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Read more Projects by Vineeth G (49)
Assignment 7-Side Pole Crash Simulation Challenge
Neon side crash -BIW 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 wall with friction 0.1 as per referance model. Compare the model weight with the referance model and use added…
31 Jul 2022 10:14 AM IST
Assignment 6-Frontal Crash Simulation Challenge
Frontal crash-BIW 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. Correct rigid bodies if any issues. Create rigid wall with friction 0.1. Compare the model weight with the full scale 300k nodes…
31 Jul 2022 10:13 AM IST
Assignment 5-RADIOSS Interfaces & Study of Effect of Notches Challenge
Create the mesh for bumper assembly,mesh size should be 6mm. 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.…
31 Jul 2022 10:12 AM IST
Assignment 3-2D Element Formulation Challenge
Objective Comparison of results with base simulation and improved shell element properties 1.Using the crash beam file from the previous assignment, change the run time to 55 ms. 2. Change the number of animation steps during simulation to a minimum of 25 and maximum of 60. 3. Run the base simulation without any modification…
30 Jul 2022 01:33 PM IST
Assignment 4-RADIOSS Material Laws Challenge
Objective To perform a simulation of a rigid sphere hitting a plate with all the cases given in the question. Case 1 The simulation was performed with out making any changes to the given file. The objective of the simulation was to perform with both the failure plastic strain(EPS_P_Max) and fail_Johnson failure card enabled.…
30 Jul 2022 01:31 PM IST
Assignment 2-RADIOSS Engine File Editing & 3D Meshing Challenge
Objective Comparison of results with base simulation and improved shell element properties 1.Using the crash beam file from the previous assignment, change the run time to 55 ms. 2. Change the number of animation steps during simulation to a minimum of 25 and maximum of 60. 3. Run the base simulation without any modification…
30 Jul 2022 01:29 PM IST
Assignment 1-2D Meshing Challenge
Objective To perform a 2d mesh on the given three models and to assign the thickness accordingly. Procedure The new HyperMesh file was opened and impoted the given model into the workpage. The model was checked for any discontinuity and an auto clean up can be given if needed. The mid surfaces was extracted by using the…
30 Jul 2022 01:27 PM IST
Week 5 Bending of iPhone
Objective To perform a bending simulation of an iPhone in the Ansys workbench and to find out the result for the following cases. Case 1: Simulate the model using default materials. Case 2: Move the bottom fingers from their defined position to the given position X= 22.5mm & Z= 10mm and obtain the results…
12 Nov 2021 06:58 PM IST
Week 5 Bending of iPhone
Objective To perform a bending simulation of an iPhone in the Ansys workbench and to find out the result for the following cases. Case 1: Simulate the model using default materials. Case 2: Move the bottom fingers from their defined position to the given position X= 22.5mm & Z= 10mm and obtain the results…
12 Nov 2021 06:58 PM IST
Week 11 Car Crash simulation
Objective To perform a explicit analysis of a car crash simulation followed by a parametric study using 3 different values of thickness for the car body and to find out the total deformation and Equivalent stresses acting on the model. Procedure Preprocessing Firstly, the geometry is imported and checked…
12 Nov 2021 11:19 AM IST
Week 9 Tension and Torsion test challenge
Objective To perform the tension and torsion test on the given specimen and to find out the total deformation, equivalent stress and temperature of the specimen. Procedure The given model is imported into the geometry and it is checked in spaceclaim for any irregularities. If not, the spaceclaim is closed and the…
12 Nov 2021 11:05 AM IST
Week 9 Machining with Planer Challenge
Objective To perform an explicit dynamics simulation to find out the Equivalent Stress, Total Deformation and also insert a User defined result to calculate the temperature of the body. The simulation is performed in two cases with two different cutting velocity. Procedure Preprocessing An explicit dynamic analysis is…
12 Nov 2021 08:53 AM IST
Week 8 Worm Gear Challenge
Objective To perform a transient structural analysis on a worm gear assembly and to find out the Equivalent stress, Equivalent elastic strain and the total deformation in the model. Procedure Preprocessing The transient analysis of the worm gear is simulated. The model is imported and it is opened in spaceclaim.…
12 Nov 2021 08:46 AM IST
Week 8 - Universal Joint
Objective To perform a transient structural analysis on a double universal joint with a spring using three different materials and to compare the Equivalent stress and total deformation for all the three cases. Procedure Preprocessing A transient structural analysis is done onto the universal joint for three different…
12 Nov 2021 08:25 AM IST
Week 7-Long Piston With Cam
Objective To perform a transient analysis on a piston and cam mechanism model to find out the directional deformation, strains and stresses by varying the frictional coefficient for three cases and to compare the results. Introduction A transient analysis on the long piston and cam problem is simulated. The geometry…
12 Nov 2021 07:22 AM IST
Week 5 Sphere pressing on a plate
Objective To perform a sphere pressing simulation using Ansys workbench and to find out the plastic deformation. Procedure A new static structural tab was dragged onto the workbench. From the geometry tab, the given model was imported into it. Geometry was opened in the space claim and checked for any abnormality. Here…
20 Oct 2021 07:47 AM IST
Week 4 -Wire Bending Challenge
Objective To perform a wire bending simulation using different materials (Copper Alloy, Aluminium Alloy, Magnesium Alloy) in Ansys. Procedure Open the Ansys workbench and drag a static structural module onto the window. Import the model in the geometry tab and open it in the space claim to check for any discontinuity.…
12 Oct 2021 10:20 AM IST
Week 4- Rolling operation
Objective To simulate rolling operation on a workpiece made of copper and to find out the following outputs given below. Equivalent stress for the whole setup Equivalent Plastic strain for the workpiece Directional Deformation in the Z-axis for the workpiece Prove that the workpiece has been displaced 90mm. Procedure Open…
04 Oct 2021 02:53 AM IST
Week 3 Sheet metal Bending challenge
Objective To perform a sheet metal bending simulation as per the cases given below and compared the output results for equivalent stress, equivalent elastic strain, and directional deformation. Case 1 Modeling the sheet with Aluminium Alloy 1199, Copper Alloy NL, and Magnesium Alloy NL. Case 2 With the material as Aluminium…
04 Aug 2021 05:31 PM IST
Week 3 Verification of Weld Joints
Objective To perform a static analysis for the model with welded joints using different materials and to compare the results. Case 1. Stainless Steel: In this case, the material of the plates must also be the same. Use Stainless steel for both weldments and plates. No need to add flux to the weldments. Case…
04 Aug 2021 05:30 PM IST
Week 2 Railwheel and Track
Objective To perform a static analysis on a Railwheel and Track model following the objective given below. Case 1: Multiply the bearing load by 5 times and compare the results with the load of 100000 N. Compare the Total Deformation, Equivalent stress, and the life under both the loads. Case 2: Implement a User-defined…
29 Jul 2021 10:26 AM IST
Week 2 Bevel Gear Challenge
Objective To perform a Static analysis with a grid dependency test for the Bevel gear with a global mesh size of 6,5 and 4 mm and to compare the results using Ansys Workbench. Introduction Grid dependency test is to investigate how the solution depends on the grid size by running the simulation with refined mesh that is…
29 Jul 2021 10:23 AM IST
Week 1 Spur Gear Challenge
Objective To perform a static analysis on spur gear using three different materials (Cast iron(ductile), Cast steel, Cast bronze) and to find out Equivalent stress, Total deformation, and Stress intensity also the location of failure. Procedure A new Ansys file was opened and a static structural module was dragged…
23 Jul 2021 05:24 PM IST
Week 1 Stress Concentration on a Plate with hole
Objective To perfrom a static analysis for a plate with a hole with two cases using Ansys workbench and to compare their results for maximum stress and deformation. Procedure Case 1 Ansys workbench was opened and a static structural module was dragged onto the project schematic window. The material for the model can be…
17 Jul 2021 09:23 AM IST
Bird Strike - Project - 2
Objective To perform a simulation of bird strike in aero engine using LS-Dyna and satisfying all the required outputs asked for the project. To prepare a main file for the simulation that include all the reference cards. Assign material, sections, boundary conditions and other required inputs to the parts. Follow a consistent…
03 Jul 2021 01:41 PM IST
Week - 10 Hyperelastic Material Models
Objective 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. Introduction Hyperelastic materials are the special class of materials that respond elastically even when they are subjected to large deformations.…
22 Jun 2021 05:50 PM IST
Week - 9 Material Modeling from Raw Data
Objective To model a material using the given true stress-strain curve of graphite iron casting and validate the data by creating either a MAT_024 or MAT_018 material to the dogbone specimen following other objectives as well which are shown below. Extraction of data from the diagram. Clean the data and match it with the…
16 Jun 2021 06:06 PM IST
week-11 Joint creation and Demonstration
Objective To demonstrate revolute, cylindrical, spherical, and translational joints between two rigid bodies also with two deformable bodies using *CONSTRAINED_JOINT keyword. Procedure The revolute joint The revolute joint in ls-Dyna is also called a hinge joint and has only one degree of freedom (Pure rotational motion…
16 Jun 2021 03:40 PM IST
Week - 8 Mass Scaling
Objective To reduce the runtime of the model using the mass scaling technique and to achieve the following conditions shown below. The hard limit on mass scaling is 8% and stability should be completely intact. The DT and TSSFAC parameters should be optimized. Plot a histogram to compare the runtime with mass scaling trials.…
20 May 2021 10:15 AM IST
Week-7 Head Impact
Introduction Head injury remains one of the most frequent and severe injuries sustained by vehicle occupants, motorcyclists, pedestrians and cyclists in road accidents. One essential requirement for reducing the incidence of fatal and severe head injuries is to develop head injury assessment methods that can accurately…
26 Mar 2021 06:51 AM IST
Week-6 Calculate the Stretch Ratio by comparing the ELFORM (-2,-1,1,2) with Ogden_Material Model.
Objective To create a solid block of given dimension with 10 elements for each directions to understand the uniaxial behaviour and to compare the results for the simulation using ELFORM = 1, 2, -1, -2. Deliverables: An excel sheet with proper conversion and calculation of Stress/Strain and the Stretch Ratio for…
03 Feb 2021 11:29 AM IST
Week - 5 - Modelling Spotwelds
Objective: To perform a simulation between brackets (connected using spotweld) and a rigid wall and to derive the requested outputs. Deliverables: - Input .k file and output files (d3plot, glstat, sleout, rcforc,swforce) - Animation of the final simulation - Plots of Axial and shear force. - Stress-strain plots. - Cross-sectional…
26 Dec 2020 07:30 AM IST
Week - 4 - crash box simulation
Objective To perform a simulation between a crash box and a rigid wall and to derive the requested outputs. Deliverables: - 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…
09 Dec 2020 11:27 AM IST
Week - 3 Drop test Challenge
Objective: To perform a complete simulation for a drop test of a cellphone from the given meshed model of a simplified cellphone and a plate mimicking the ground. Procedure: The given model is imported onto the workpage of the LS-Pre-post using File>Open>LS DYNA Keyword file. The keyword…
05 Nov 2020 09:01 AM IST
EXPLICIT AND IMPLICIT ANALYSIS_CALCULATIONS.
OBJECTIVE: To solve the given equation using implict and explit methods with a residual tolerance of 0.01. Equation: `F(u)=u^3+9u^2+4u` F- Force in the bar, u- Displacement in the bar. EXPLICIT/IMPLICIT METHOD Explicit and implicit methods are mainly used to solve dynamic events with a governing equation `[M]{x''}+[C]{x'}+[K]{x}={f}`. Implicit…
30 Sep 2020 08:25 PM IST
CONSISTENCY OF UNIT
OBJECTIVE: To convert given measurement values to different unit systems and write its conversion factor. Measurements: MASS 1kgLENGTH 1mTIME 1sFORCE 1NSTRESS 1PaENERGY 1NmDENSITY 1 kg/m3YOUNG'S Modulus 210GPaVelocity 56.33KMPHGRAVITY 9.8m/s2 Unit systems: gm mm ms Kg cm ms Kg cm s kg m s g cm s g cm us…
30 Sep 2020 08:25 PM IST
PROJECT 2 - REAR SUSPENSION_MESHING AND CONNECTIONS.
OBJECTIVE: To mesh the given CAD model of a rear suspension by following the quality criteria given in the data and performing connections using suitable conenctors. Quality criteria: Quality Criteria for Tria Elements (Tyre and Rim): S.No Quality Criteria Value 1 Target/Average length …
30 Sep 2020 08:25 PM IST
PROJECT 1 - MESHING IP SUBSTRATE
OBJECTIVE: To mesh the given CAD model of IP substrate by following the quality criteria given in the data and assigning thickness to it. Quality criteria: S.No Quality Criteria Value 1 Target/Average length 4 2 Minimum Length 2 3 Maximum Length 6 4 Aspect 3 5 Warpage 15…
30 Sep 2020 07:54 PM IST
BASIC MORPHING
OBJECTIVE: To practice basic morphing techniques for the given sheet metal component and discuss its application in industries. PROCEDURE: Geometry cleanup A new .ansa file is opened and the .igs file of the given model is then imported on to the workpage. The model is then viewed in ENT( entity mode) from drawing style…
30 Sep 2020 07:53 PM IST
CONNECTIONS FOR THE FE MODEL OF A REAR DOOR USING NASTRAN DECK.
OBJECTIVE: To give connections for the FE model of a rear door using Nastran deck. Car door A car door is a type of door, typically hinged, but sometimes attached by other mechanisms such as tracks, in front of an opening which is used for entering and exiting a vehicle. A vehicle door can be opened to provide…
30 Sep 2020 07:52 PM IST
MODELLING OF INTAKE MANIFOLD USING 3D ELEMENTS USING ANSA V19.1.5
OBJECTIVE: To mesh the given component using tetra elements as per the quality criteria given in the data. Quality criteria S.No Quality Criteria Value 1 Target/Average length 3 2 Minimum Length 1 3 Maximum Length 5 4 Tetcolapse 0.2 Geometry cleanup and Mid-surface extraction.…
10 Aug 2020 09:57 AM IST
MODELLING OF A REAR VIEW MIRROR USING 3D ELEMENTS USING ANSA V19.1.5
OBJECTIVE: To mesh the given component using tetra elements as per the quality criteria given in the data. Quality criteria S.No Quality Criteria Value 1 Target/Average length 1 2 Minimum Length 0.5 3 Maximum Length 2 4 Tetcolapse 0.2 Geometry cleanup and Mid-surface extraction.…
10 Aug 2020 09:55 AM IST
Tool Test 1 ANSA
OBJECTIVE: To mesh the given component as per the quality criteria given in the data and assigning thickness to it. Quality Criteria: S.No Quality Criteria Value 1 Target/Average length 4 2 Minimum Length 2 3 Maximum Length 6 4 Aspect 3 5 Warpage 15 6 Skewness…
10 Aug 2020 09:53 AM IST
SHELL MESHING OF A CAR HOOD GEOMETRY USING ANSA V19.1.5
OBJECTIVE: To mesh the given component as per the quality criteria given in the data and assigning thickness to it. Quality criteria PROCEDURE: Geometry cleanup and Mid-surface extraction. A new .ansa file is opened and the .stp file of the given model is then imported on to the workpage. When imported the model (Hood),…
10 Aug 2020 09:48 AM IST
SHELL MESHING BOTTLE CAP USING ANSA V19.1.5
OBJECTIVE: To mesh the given component as per the quality criteria given in the data and assigning thickness to it. Quality criteria Geometry cleanup and Mid-surface extraction. A new .ansa file is opened and the .igs file of the given model is then imported on to the workpage. The model is then viewed in ENT( entity mode)…
10 Aug 2020 09:48 AM IST
SHELL MESHING OF PLASTIC CONTAINER USING HYPERMESH
OBJECTIVE: To mesh the side door according to the given quality criteria and assign thickness to the component. Given Quality criteria: Target element size: 4mm PROCEDURE: A new Hyperwoks file is opened and the given model is imported on the workpage. The model is then checked for geometry…
10 Aug 2020 09:39 AM IST
CREATION OF 1D ELEMENT WITH DIFFERENT TYPES OF CROSS SECTION USING HYPERMESH
OBJECTIVE: To create 1D element on the component with different types of given cross section and degree of freedom. Given Specifications: a. Rod element:- With only translational DOF and RBE2 link. Cross-Section: BOX : Dimension a= 12 mm Dimension b=10 mm Thickness…
10 Aug 2020 09:28 AM IST
ASSEMBLY OF A FRAME USING SUITABLE CONNECTIONS IN HYPERMESH
OBJECTIVE: To craete connector and attach various parts of the given model as per the given data. Given data 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 weld with 3…
10 Aug 2020 09:25 AM IST
TETRA MESHING OF SOLID COMPONENT USING HYPER-MESH
OBJECTIVE 1: To create Tetramesh for Housing model according to given criteria. Criteria: Elements sizes: Min- 2mm, Target- 5mm,Max- 7mm, Tet collapse: 0.15 PROCEDURE: A Hyperworks file was opened with Optistruct as user profile and CAD model of housing is then imported into the workpage. View the model in Topoloy…
10 Aug 2020 09:23 AM IST