OBJECTIVE: Comparison of results with base simulation and improved shell element properties 1.In the crash beam file 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 to element properties.…
Amith Anoop Kumar
updated on 03 Jan 2021
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Read more Projects by Amith Anoop Kumar (56)
Crash Box Simulation Using LS-DYNA
CRASH BOX SIMULATION AIM: To create a complete simulation file for-crash analysis of crash box having two different thickness of 1.2 mm and 1.5 mm from the given FE model of crashbox and produce the following deliverables. Input. k file and output files (D3PLOT, GLSTAT, SLEOUT, RCFORC) Animation of the final…
25 Oct 2021 06:05 AM IST
Mobile Drop test Challenge
DROP TEST CHALLENGEOBJECTIVE: To build the input deck for a drop test simulation from scratch. Note: The orientation of the cellphone is also important and there are specific guidelines on how to orient the products but for this assignment, we will ignore that. The objective of this assignment is not to get a correct simulation…
16 Sep 2021 05:33 AM IST
Week - 2 - Explicit and Implicit Analysis
AIM: 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 both cases an incremental load control scheme is used.…
09 Sep 2021 06:46 AM IST
Simulating Combustion of Natural Gas.
AIM: Perform a combustion simulation on the combustor model and plot the variation of the mass fraction of the different species’ in the simulation using line probes at different locations of the combustor as shown in Fig. You need to plot for CO2, H2O, CH4, N2, O2, NOx emissions & Soot formation. THEORY: Combustion of…
16 Aug 2021 02:06 PM IST
Parametric study on Gate valve.
AIM: To perform a parametric study on the gate valve simulation by setting the opening from 10 % to 80%. THEORY:Gate valves are used to shut off the flow of liquids rather than for flow regulation. When fully open, the typical gate valve has no obstruction in the flow path, resulting in very low flow resistance.…
10 Aug 2021 04:09 PM IST
CHT Analysis on Exhaust port
AIM: To perform a CHT analysis on a exhaust manifold INTRODUCTION: The analysis type of Conjugate Heat Transfer allows the simulation of the heat transfer between solid and fluid domains by exchanging thermal energy at the interface between them. Typical applications of this analysis type are the simulation of the…
05 Aug 2021 02:25 PM IST
Rayleigh Taylor Instability
AIM:Explain different CFD models used for solving Rayleigh Taylor Instability problems Perform a Rayleigh Taylor instability analysis using the Volume of Fluid (VOF) multiphase model for air and water. Repeat the process for water and user-defined material with density = 400 kg/m3, viscosity = 0.001 kg/m-s, and compare…
05 Aug 2021 02:22 PM IST
Simulating Cyclone separator with Discrete Phase Modelling
AIM:To learn setting up a discrete phase modeling case in ANSYS Fluent. To calculate the efficiency of the given cyclone geometry. To analyze total erosion on the separator’s surface due to the particles.INTRODUCTION: A cyclonic separation is a method of removing particulates…
05 Aug 2021 02:20 PM IST
CHT Analysis on a Graphics card
AIM: To perform CHT analysis on the graphic card. OBJECTIVES: 1) To learn the procedure for CHT analysis in ANSYS Fluent 2) To understand various meshing concepts and methods 3) To infer various physical parameters from the simulation INTRODUCTION: A CHT (Conjugate Heat Transfer) analysis is useful where there are…
05 Aug 2021 02:20 PM IST
Week 3 - External flow simulation over an Ahmed body.
OBJECTIVE Describe Ahmed's body and its importance. Explain the reason for the negative pressure in the wake region. Explain the significance of the point of separation. INTRODUCTION The Ahmed body is simplified car body used in automotive field to study the impact of the flow pattern on the drag.…
06 Jul 2021 04:44 PM IST
Roof crush analysis as per FVMSS 216 standards
OBJECTIVE: To set up and run a Quasi-static Roof crush analysis on a reduced model of a Neon car as per FMVSS 216 Introduction :Roof crush simulation Federal Motor Vehicle Safety Standard No. 216 (FMVSS 216) first published in 1971 specified the test requirements and configurations of Roof crush process. The roof strength…
04 Jul 2021 05:46 PM IST
Week - 11 - Element quality check
AIM: To create a Tk window which can be used to check the quality of elements.Entry boxes should accept the input and the buttons in it should display the failed elements for that quality using the temp nodes .This is used to locate the elements failed for respective quality criteria.So we need to do this process manually…
01 Jul 2021 08:04 AM IST
Week - 9 - Reflecting the geometry
AIM: To create a macro file using TCL/TK to auto reflect elements from the given FE part to another component in Hypermesh. PROCEDURE: The macro for auto reflecting elements must do the following: 1. Input the name of new component in which reflected elements will be stored 2. Ask the user for…
28 Jun 2021 10:20 AM IST
Week 2 - Flow over a Cylinder.
AIM: Simulate the flow over a cylinder and explain the phenomenon of Karman vortex street. INTRODUCTION Vortex Shedding: Vortex shedding is an oscillating flow that takes place when a fluid flows past a blunt body at certain velocity. In this flow the boundary layer separated from the surface forms a shear layer which…
10 May 2021 07:36 AM IST
Effectivness of Mixing Tee
AIM: To set up steady-state simulations to compare the mixing effectiveness when hot inlet temperature is 360C & the Cold inlet is at 190C. INTRODUCTION: Computational fluid dynamics (CFD) is a branch of fluid mechanics that uses numerical analysis and data structures to analyze…
25 Apr 2021 05:10 AM IST
Checking and correcting the Normals using Tcl/tk
AIM: To create a widget containing buttons for toggling normals display and for reversing the normals in Hypermesh using tcl/tk. THEORY: We need a proper orietation of normals because when load is applied, the load travels in some path. If in that path the normals are not oriented properly the calculations related to stress…
20 Apr 2021 10:42 AM IST
Frequency Analysis of a rotating shaft using Solidworks
AIM: To conduct frequency analysis on rotating shafts and find the resonant frequencies and 5 modal shapes respectively THEORY: All objects have a natural frequency or set of frequencies at which they vibrate. The quality of the sound produced by a vibrating object is dependent upon the natural frequencies…
16 Apr 2021 01:04 PM IST
Universal Joint Simulation Using ANSYS Workbench
AIM: To perform a transient structural analysis on a double universal joint with a spring using three different materials: Structural Steel, Stainless Steel, and Titanium alloy INTRODUCTION: A universal joint (universal coupling, U-joint, Cardan joint, Spicer or Hardy Spicer joint, or Hooke's joint) is a joint or coupling…
16 Apr 2021 01:03 PM IST
STRESS ANALYSIS ON PLATES WITH HOLE USING SOLIDWORKS
AIM: Perform a static analysis on two models of plate with holes MATERIAL PROPERTIES: The material of both the plates is chosen to be Alloy steel, the properties of which are given in the below table. Name: Alloy Steel Model type: Linear Elastic Isotropic Default failure criterion: Max von Mises Stress N Yield strength:…
16 Apr 2021 01:02 PM IST
Machining with Planer Challenge Using ANSYS Workbench
AIM: 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. You need to perform this for 2 cases. Case one will be with a cutting velocity of 20000mm/s and case two will be with a cutting velocity…
16 Apr 2021 12:59 PM IST
Meshing of a bottle cap
AIM: To do a geometrical cleanup and mesh the given bottle cap THEORY: As the thickness of the component is generally less we go for 2D meshing here SOFTWARE USED: ANSA TOOLS USED: Delete: The universal delete function can be used to delete the unwanted entities like curves,,faces etc Release: This option helps to…
30 Mar 2021 05:37 PM IST
Transient Structural Analysis of Worm Gear
AIM: To perform a transient structural analysis on a worm gear assembly THEORY: A worm gear is a gear consisting of a shaft with a spiral thread that engages with and drives a toothed wheel. Worm gears are an old style of gear, and a version of one of the six simple machines. Basically, a worm gear is a screw butted up…
29 Mar 2021 08:04 PM IST
Car Crash simulation
OBJECTIVE: To perform a frontal car crash simulation using explicit dynamics and perform a parametric study for the thickness of car body for the values 0.3,0.5and 0.7mm. THEORY: Crashworthiness is the ability of a structure to protect its occupants during an impact. This is commonly tested during the safety…
22 Mar 2021 02:27 PM IST
Sphere pressing on a plate
AIM: For this challenge, we have to perform the analysis to simulate a sphere pressing on a plate and capture the region of plastic deformation THEORY: In engineering, deformation refers to the change in size or shape of an object. Displacements are the absolute change in position of a point on the object. Deflection is…
21 Mar 2021 07:56 AM IST
Tension and Torsion test challenge
OBJECTIVE: To perform a tension and torsion test on the specimen provided. For the tension test, displace one end of the specimen to 18mm while keeping the other fixed. Find out the total deformation, equivalent stress and temperature of the specimen. For the torsion test, displace one end of the specimen to an angle of…
21 Mar 2021 07:55 AM IST
Bullet penetrating a Bucket Challenge
AIM: To simulate a bullet penetrating into a bucket using 3 different non linear materials for the bucket and analyse their behaviour for the same velocity of bullet INTRODUCTION: Terminal ballistics (also known as wound ballistics), a sub-field of ballistics, is the study of the behavior and effects of…
21 Mar 2021 07:55 AM IST
Bending of iPhone
AIM: For this challenge, simulate the bending of the IPhone as per the given cases below Case 1: Simulate the model without any change in the pushin fingers position Case 2: Move the bottom fingers from their defined position to the given position X= 22.5mm & Z= 10mm and obtain the results for the simulation.…
19 Mar 2021 01:48 PM IST
Transient Simulation of Long Piston With Cam
AIM: To perform a transient analysis on a piston and cam mechanism model with Frictionless contact, Frictional with 0.1 and 0.2 as the frictional contact for a total of 3 cases INTRODUCTIONA Cam is a mechanical device used to transmit motion to a follower by direct contact. The driver is called the Cam and the driven…
10 Mar 2021 04:52 PM IST
Wire Bending Simulation
AIM: To perform an analysis to simulate the bending of a wire in ANSYS. You will have to use Copper Alloy (Non Linear), Aluminium Alloy (Non Linear) and Magnesium Alloy ( Non Linear) for the wire alone. You need to find out the Equivalent stress and Equivalent strain on the wire alone. INTRODUCTION Although there are many…
10 Mar 2021 09:53 AM IST
Sheet metal Bending challenge
SHEET METAL BENDING OBJECTIVES: In these challenges, Sheet metal bending is to be performed for 3 different materials mentioned below. Variation of certain settings is also to be performed and your conclusions are to be added to the report Run the analysis for the material: Case 1:Aluminium Alloy 1199( mentioned in the…
16 Feb 2021 11:42 AM IST
Rolling operation
AIM: To perform a copper rolling sheet simulation using Ansys workbench THEORY: In metalworking, rolling is a metal forming process in which metal stock is passed through one or more pairs of rolls to reduce the thickness, to make the thickness uniform, and/or to impart a desired mechanical property. The concept is similar…
15 Feb 2021 06:16 PM IST
Verification of Weld Joints
AIM: Simulate three different types of welding using three different weld materials THEORY: Welding is a fabrication process whereby two or more parts are fused together by means of heat, pressure or both forming a join as the parts cool. Welding is usually used on metals and thermoplastics but can also…
13 Feb 2021 05:41 AM IST
Grid dependency test for the Bevel gear simulation
AIM: Perform a grid dependency test for the Bevel gear simulation for mesh sizes of 6,5 and 4 mm INTRODUCTION: Bevel gears are gears where the axes of the two shafts intersect and the tooth-bearing faces of the gears themselves are conically shaped. Bevel gears are most often mounted on shafts…
08 Feb 2021 05:24 PM IST
Spur Gear Challenge
OBJECTIVE: To perform various analyses on spur gear and conclude a better material based on our analysis. Casewise analysis is to be performed in which we are given 3 material which has to be assigned and studied. THEORY Spur gears or straight-cut gears are the simplest type of gear. They consist of a cylinder…
06 Feb 2021 03:31 AM IST
Stress Concentration on a Plate with hole
1. Objective: This challenge makes us know which design is better as per the results of the analysis as well as the manufacturing point of view. Determine the maximum deformation and stress developed in the model. Compare both the results and select suitable results Steps to be taken during the analysis 1- Open the…
06 Feb 2021 03:29 AM IST
Side impact test of a Dodge neon car with Pole
AIM: Neon BIW side crash analysis as per FMVSS 214 standards THEORY Crashworthiness is the ability of a structure to protect its occupants during an impact. This is commonly tested when investigating the safety of aircraft and vehicles. Depending on the nature of the impact and the vehicle involved, different criteria…
25 Jan 2021 07:00 AM IST
Frontal Crash Analysis Using Radioss
AIM: Frontal crash analysis of a reduced neon car model OBJECTIVE: 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…
24 Jan 2021 06:22 AM IST
Analysis of failure behaviour of plates using law-1,law-27,law-36 material models and johnson cook failure card in Radioss
OBJECTIVE: To analyze the plate failure behavior using different material models THEORY: In FEA non-linear simulation, material modeling is a very complex step where you need to capture the plasticity of the material accurately and its failure. This experiment will use model with different material laws like…
06 Jan 2021 05:13 AM IST
Comparison of crash tube results with default property simulation and improved shell element properties
OBJECTIVE: Comparison of results with base simulation and improved shell element properties 1.In the crash beam file 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 to element properties.…
03 Jan 2021 07:24 AM IST
Editing the engine data file and 3D mesh the rest of the components
AIM: To obtain the speed of the sound and 3D mesh the given component THEORY: Computer-aided engineering also known as CAE is the broad usage of computer software to aid in engineering analysis tasks. It includes finite element analysis, computational fluid dynamics, multibody dynamics, durability, and optimization Meshing is…
01 Jan 2021 10:16 AM IST
Modelling of shell elements in hypermesh
AIM: Mesh the following component and assign the corresponding thickness: S.N Quality Criteria Value 1 Min Length 3.5 2 Target 5 3 Max Length 7 THEORY: Computer-aided engineering also known as CAE is the broad usage of computer software to aid in engineering analysis tasks. It includes finite element…
30 Dec 2020 06:45 AM IST
Meshing the Plastic Component of a Car Side Door Model
AIM: Mesh the following component and assign thickness: Target Element Length = 4mm S.N Quality Criteria Value 1 Aspect Ratio 5 2 Skewness 45 3 Warping 15 4 Taper 0.5 5 Min. Length 2mm 6 Max. Length 6mm 7 Min angle Quad 45 8 Max angle Quad 135 9 Min angle Tria 20 10 Max angle Tria…
28 Dec 2020 05:24 PM IST
Pre-Processing Of A Rear-Suspension Assembly
AIM: To mesh the given component according to the below defined quality criteria INTRODUCTION: The suspension is the system of tires, tire air, springs, shock absorbers, and linkages that connects a vehicle to its wheels and allows relative motion between the two. Suspension systems must support both…
01 Dec 2020 11:44 AM IST
Structural Meshing of IP Substrate
AIM: To mesh the given model of IP SUBSTRATE within the given 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 45 7 Jacobian 0.7 8 Minimum Quad Angle 45 9 Maximum Quad…
22 Nov 2020 05:31 PM IST
Assessment Of Bending In Beams Using Solidworks
AIM: Our aim is to perform static simulation over three beams and select best viable product THEORY: A beam is a structural component. It normally resists all the loads applied laterally to its axis. The only mode by which it can be deflected is Bending.Bending is the behavious of the element when an exernal load is applied…
15 Nov 2020 06:34 AM IST
Morphing of a sheet metal component
AIM: To morph the given component using various ANSA morphing techniques THEORY: ANSA encompasses a full-fledged Morphing menu which is completely integrated with ANSA’s interface and doesn’t require any additional module installations or licenses. The functions of the Morphing menu can be used to efficiently…
14 Nov 2020 11:34 AM IST
Connection in a rear door
AIM: To assign the necessary connections of the rear door model to be simulated for NASTRAN-NVH analysis PROCEDURE: Open the file under Nastran input file menu Analyze the model and evaluate the necessary connections to be performed on the model. Also we check for any deformation/cracks…
11 Nov 2020 05:43 PM IST
Tetra meshing of intake manifold assembly
AIM: Mesh the given component with tetra elements and fulfill the required quality criteria S.No Quality Criteria Value 1 Target/Average length 3 2 Minimum Length 1 3 Maximum Length 5 4 Tetcolapse 0.2 THEORY: Generally, 3d meshing is performed whenever the thickness…
07 Nov 2020 06:24 AM IST
Meshing of a car hood using ANSA
AIM: To mesh the given car hood model with the required quality criteria S.No Quality Criteria Value 1 Target/Average length 5 2 Minimum Length 2 3 Maximum Length 7 4 Aspect 3 5 Warpage 15 6 Skewness 45 7 Jacobian 0.7 8 Minimum Quad Angle 45 9 Maximum Quad Angle …
07 Nov 2020 06:23 AM IST
Structural Meshing of the Car Spare Wheel Holder using Hypermesh
AIM: To mesh the given component according to the below quality criteria Target Element Length = 5mm S.N Quality Criteria Value 1 Aspect Ratio 5 2 Skewness 45 3 Warping 15 4 Taper 0.5 5 Min. Length 2mm 6 Max. Length 8mm 7 Min angle Quad 45 8 Max angle Quad 135 9 Min angle Tria 20 10…
07 Nov 2020 06:18 AM IST
Connection representation of a frame assembly using hypermesh
AIM: To create connector and Attach the various parts of the given model 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 Layers and 5…
07 Nov 2020 06:15 AM IST
Tetra meshing of chasis assembly
AIM: To 3d tetramesh the given component according to the following criteria Mesh the components with an element size of 6 and maintain a tet-collapse of 0.15 THEORY: Generally, 3d meshing is performed whenever the thickness of the components goes beyond 6mm or below 1/20 thickness area ratio. Few…
09 Sep 2020 05:11 AM IST
3d meshing of the housing component
AIM: To 3d mesh the given component according to the following criteria Elements sizes: Min- 2mm, Target- 5mm,Max- 7mm Tet collapse: 0.15 THEORY: Generally, 3d meshing is performed whenever the thickness of the components goes beyond 6mm or below 1/20 thickness area ratio. Few examples are…
09 Sep 2020 04:45 AM IST
Meshing of car backdoor
AIM: Mesh the component given below and assign thickness: Target Element Length = 5mm S.N Quality Criteria Value 1 Aspect Ratio 5 2 Skewness 45 3 Warping 15 4 Taper 0.5 5 Min. Length 3.5 mm 6 Max. Length 7mm 7 Min angle Quad 45 8 Max angle Quad 135 9 Min angle Tria 30 10 Max angle…
04 Sep 2020 09:43 AM IST
Meshing of car hood
AIM: Mesh the component given below and assign thickness: Target Element Length = 5mm S.N Quality Criteria Value 1 Aspect Ratio 5 2 Skewness 45 3 Warping 15 4 Taper 0.5 5 Min. Length 2mm 6 Max. Length 8mm 7 Min angle Quad 45 8 Max angle Quad 135 9 Min angle Tria 20 10 Max angle Tria…
04 Sep 2020 09:43 AM IST