Week 8-Challenge

Tension and Torsion test using Ansys Explicit   Objective: Tension and Torsion are performed to the given test specimen and displacement applied is varied to do a case study.   Briefing: The model consists of dog bone type of test specimen one end is fixed and another end is given displacement. For the Tension…

Universal Joint Simulation in Ansys Objective: Simulate a Universal Joint and infer the results by changing the spring materials.   Briefing The model consists of 5 parts : Spring Fork 2 balls intermediate Joints are created between the parts and materials (  Structural Steel, Stainless Steel, and Titanium…

Long Piston With Cam Simulation in Ansys Transient   Objective:  Simulate the Cam motion of the given model and infer the results by varying the frictional coefficients.   Briefing The model consists of 3 parts : Cam follower CAM Cylinder The follower is attached to a piston which moves inside the cylinder…

Sphere pressing on a plate in Ansys   Objective Perform a Sphere pressing on a plate for a displacement of 4mm and find out the plastic deformation on the plate.   Briefing The model consists of two parts the sphere and the plate. Both parts use structural steel as material. In order to find the plastic…

Wiring Bending Static Simulation in Ansys   Objective  Simulate the wire bending simulation, perform 3 cases of the wire bending by changing the material and compare the results.   Briefing The model consists of three parts: Wheel, lever, and wire The wheel is fixed and the lever is moved to bend the wire. Three different…

Rolling Operation in Ansys   Objective Simulate a rolling operation of the given workpiece ( Copper ) and infer the results.   Briefing The model consists of 3 parts - 2 rollers and the workpiece. For case 1 the workpiece with 90mm is used and for case 2 with a length of 150mm is used. Width of the workpiece with reduced…

 Sheet metal Bending Simulation using Ansys   Objective Performed sheet metal bending simulation using the static module, parameters such as friction, material, and mesh size is varied. The results are noted and compared.   Briefing The model consists of 3 parts - Die, punch, and workpiece    …

Verification of Weld Joints   Objective:  Simulate 3 different weld materials and compare the results to identify which weld material has the highest deformation.   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.…

Static structural analysis on the Railwheel and Track   Objective:  Perform a Static Analysis of the Rail wheel on a track and compare cases when bearing load changes.   Briefing: Two cases are to be analyzed with  100000 N and  500000 N bearing load.  Bearing Load boundary…

Static Structural Analysis of a Spur Gear using Ansys Mechanical   Objective :  To find out the Equivalent stress, Total deformation, and Stress intensity Also to find the possible location of fracture from the simulation. Case setup : Three cases are performed for three different materials which are Cast…

 Stress Concentration on a Plate with hole   AIM: For the given plates with holes perform a static analysis and choose the appropriate plate which suits the application point of view.    Objectives Find out the maximum deformation and stress developed in the model.   Whenever there is a discontinuity…

 Data Analysis on a Converge Output File using Python   AIM: Compatibility check the input file Calculate the area under the P-V diagram from the input data Calculate power and Specific Fuel consumption   Briefing: Given output file is from converging, which consists of the different parameters such as Pressure,…

Python Program to Curve a given data set (Temperature and Cp)   Aim: Curve fit the given data set using the built-in curve fit function. Fit using linear and cubic polynomials  Empirically find out the fit of the fitted with respect to the given data   Steps to code: Read the data and separate the temperature,…

Side Crash– BIW – Using Radioss (Explicit) Objective Simulate a side crash into a rigid cylindrical pole using the given parameters. Drive Link - https://drive.google.com/file/d/1Cv_86Ur9fJab1dgE2eU4rPCuatDebbvB/view?usp=sharing Given Check unit system and either follow [Mg mm s] or [Kg mm ms]. Create…

Frontal Crash – BIW – Using Radioss (Explicit) Objective Simulate a frontal crash into a rigid wall using the given parameters. Drive Link - https://drive.google.com/file/d/1D-79kV7QVZqjTxHWN3JOzLnCgXr2yYjn/view?usp=sharing   Check unit system and either follow [Mg mm s] or [Kg mm ms]. Create appropriate…

A Python program to solve the differential equation which governs a simple pendulum   AIM: Simulate the motion between 0-20 sec, for angular displacement=0,angular velocity=3 rad/sec at time t=0. Solve the Ode to find out the displacement and velocity of the given initial conditions and time limit.   Briefing:…

A Python program to plot a PV diagram for an otto cycle. Aim -  To plot the PV diagram of an otto cycle by finding the State variables Given inputs are variables of the cylinder which include bore, stroke Briefing Otto cycle helps to understand the functioning, process, and different states during the thermodynamic…

Week - 10 Hyperelastic Material Models Aim  Using the given material data given model hyperelastic material model and find out  Mooney Rivlin and Ogden material constants. Compare the stress strain data from simulating the tensile test on a dog bone specimen.   Explanation Hyper elasticity is the capability…

Week 3 : Sheet metal Hood Shell Meshing and Mid Surfacing using ANSA   AIM  Perform geometry cleanup , extract midsurface and shell mesh the given hood assembly according to the given parameters. Given Quality Parameters. Target/Average length  5 Minimum Length  2 Maximum Length 7 Aspect Ratio 3 Warpage…

Bird Strike - Project - 2   Aim  - To simulate a bird strike on a turbine. - Understand the usage of include card for multiple parts (materials, BCs, Section) , so multiple personnels can work on a sngle project simulataneously.   Explanation and Procedure Unit system used for this project kg mm ms KN GPa…

Week 7 Project 1 - Pedestrian Head Impact Test Aim To simulate a head impact test and calculate the HIC. Explanation Pedestrian protection CAE is a part of vehicle safety engineering from a crash perspective. In pedestrian protection, we look for imparting minimum injury to head, upper leg (thigh), and lower leg (including…

Unstructured Tetra Meshing a Rear MirrorAIMFor the given component, check for the geometrical errors and mesh with the given element Quality criteria. Use tetra elements to model the component and there should not and kinks and dips on the surface of the component.Procedure Given  S.No  Quality Criteria …

Rear door Connections Aim Connect the various components of the door using different connections. Parts of a Door Doors are made of sheet metal and panels mostly. Exterior panels are made of sheet metals. Exterior door handle is made of plastic or metals - Both the interior and exterior door handles are attached to…

Project 1  - Instrumental Panel AIM - For the given component, check for the geometrical errors and mesh with the given element Quality criteria. Briefing  The given CAD is an instrumental Panel, this part is a plastic component manufactured using injection molding. This component has a main substrate with…

Project 2 - FE representation of the front suspension of the Car.  Aim - Perform Tetra Mesh and Shell mesh to various parts of the suspension according to the given quality criteria.  Briefing  The job of a car suspension is to maximize the friction between the tires and the road surface, to provide steering…

Week - 9 Material modelling from raw data Aim – From the given true stress and strain curve create model MAT024 or MAT018 elasto plastic material and validate them by simulating simple tensile test. Explanation Using image digitizer the given true stress and strain values are extracted into csv format. This data comes…

Week - 8 Mass Scaling Aim Reduce the runtime of the given model using mass scaling parameters such as DT and TSSFAC. Explanation Mass scaling is a method to increase the time step in explicit analysis where non-physical mass is added to the structure. In LS DYNA mass scaling is done using Control Time step card (D2TMS…

Week-6 Calculate the Stretch Ratio by comparing the ELFORM (-2,-1,1,2) with Ogden_Material Model AIM Given is a Ogden material card which is hyperelastic (rubber).  Create a 10x10x10mm solid mesh and run a pure tensile run on it with stretch ratio of 5. Compare different element formulations of solids 1,-1,2,-2 and…

Week 5 - Spot weld modelling   Aim  Run a crash box simulation using beam spotweld and solid hex spotweld and compare the results (axial and shear forces)   Explanation - Modelling of spotweld is very important as it helps as helps to keep thin sheet metals together. - Material modelling and its failure…

Week 4 – Crash Box simulation Aim Perform a crash box simulation on a rigid wall and find out the difference when thickness of the crash box is changed. Explanation Given is a rectangular cross section crash box with 250 mm length Crash box is a passive safety, which helps reduce the impact in case of collision.…

Week 3 Phone drop test Objective Perform a phone drop test using initial velocity card in LS -PrePost Given – Meshed model of a phone and plate Drive Link - https://drive.google.com/file/d/1v1LN4SZkEaV2SYmdwVWTWlj_nPhYVQe1/view?usp=sharing Explanation Phone is dropped from a height of approximately 20 mm in…

Week 2 - Explicit and Implicit Analysis Implicit and Explicit explanation Implicit and explicit are different codes for solving dynamics problems. Dynamics problems are car crash, metal forming etc , any model which changes with time is a dynamic problem. Implicit method works on backward euler method. U (n+1) = u (n)…

Assignment 5 – Meshing a Bumper Assembly and Simulating a Crash Tube with different notches. Objective – Comparison of different crash tube behaviours by changing its notches, contact interfaces Drive Link - https://drive.google.com/file/d/1eRDBL2Mqf9pWjNnVpcSF9sJSvEyFIxm-/view?usp=sharing Bumper Assembly…

Assignment 4 – Case study on different materials in Radioss by varying few parameters  Drive Link -  Drive Link - https://drive.google.com/file/d/1L4aAbk70zSrLiw0aMJXfgfjMruiJzBCE/view?usp=sharing Objective – Run the given Models in Radioss as per the required parameters and compare them…

Assignment 3 Objective Comparison of results with base simulation and improved shell element properties Drive Link - https://drive.google.com/file/d/1Mb2j1Lu6YIKEilD1xPd-t11mcGRbUuFV/view?usp=sharing Case 1 setup and Procedure – Base Simulation Import the engine file into the radioss block 120 Now Run time is…

Assignment 2  Questions: Check the material properties of the rail component and calculate the speed of sound in steel rail                 --   Speed of sound in steel rail                         …

Assignment 1 – 2D Meshing Objective Generate the FE Model of the given cad model using the given quality criteria. Given- Min Length = 3.5 Max Length = 7  Drive Link – https://drive.google.com/file/d/1fxmLJkjiImAVJnIv2orXyvRMFDsXoGSg/view?usp=sharing Procedure Open the given CAD and understand the…

Project-1 Meshing the Side door of a Car. Objective Generate the FE Model of the given Cad model using the given quality criteria S.N Quality Criteria Value 1 Aspect Ratio 5 2 Skewness 45 3 Warping 15 4 Taper 0.5 5 Min length 2 6 Max length 6 7 Min angle quad 45 8 Max angle Quad 135 9 Min angle Tria 20 10 Max angle Tria…

Connectors in Hypermesh Objective Drive Link : https://drive.google.com/file/d/1MEAhH50ejw0OVJ8EA6X2vH66m0kKbLnf/view?usp=sharing Attach the given parts using connectors Create connector and attach the various parts of the given model  Right_Rail_2 & Front_truss_1:- Seam-Quad (angled+capped+L) Left_Rail_2…

Connectors in Hypermesh Objective https://drive.google.com/file/d/1MEAhH50ejw0OVJ8EA6X2vH66m0kKbLnf/view?usp=sharing Attach the given parts using connectors Create connector and attach the various parts of the given model  Right_Rail_2 & Front_truss_1:- Seam-Quad (angled+capped+L) Left_Rail_2 & Front_truss_1:- Quad…

3d Tetra meshing of the given models in Hypermesh Objective Tetramesh the given geometry (Maintain Tet Collapse < 0.15) Drive Link - https://drive.google.com/file/d/1JYekWAw8lEdEhZaUbD-Mf_zoMswhcMUJ/view?usp=sharing Overview Tetra Meshing Methods Standard Tetramesh – Tria shell meshing is carried out on the…

Hood 2d Meshing Objective 2d meshing the given component (Hood) by following quality criteria. S.No 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 120 11 Tria % 10   Procedure…

Objective Creating 1d Elements on the given bracket component and giving appropriate cross section to those elements Procedure Auto Mid surface option was used to create a midsurface which represents the entire 3d model into the 2d representation. The two midsurfaces were organized into different components. Washer split…

Yacht   Objective – Modelling and Assembly of a Yacht in Solid works using surfacing and Part modelling workbenches. Link to all files - https://drive.google.com/drive/folders/1iHx-Cq0NndvOPILeGXAktuOij4_rm_D7 List of parts which were modelled Propeller Radar Hull Garage door Rear seat Front seat Middle…

Objective – Modelling and Assembly of an American Chopper in Solid works using surfacing and Part modelling workbenches. Link to part and assembly files - https://drive.google.com/drive/folders/1QiZS_CUoIxCGAffj9moV-4Yy1NqI4tQ2 List of parts which were modelled Transmission belt Rear Wheel Rear Fender Pedal…