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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 plot engineering stress vs stretch values.   Explanation- Since this simulation is happening…

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Read more Projects by Tribhuvankumar Pandit (47)

Assignment 3-2D Element Formulation Challenge

Objective:

Aim- To perform the simulation on the given model with default properties and change the properties. Compare both CASE 1 & CASE 2. Also, give a detailed explanation of hourglass energy. Recommended properties: Parameters    Comment  Ishell =24   QEPH 4 nodes shells are the best combination…

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11 Sep 2022 12:12 PM IST

  • FEA
  • RADIOSS
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Assignment 2-RADIOSS Engine File Editing & 3D Meshing Challenge

Objective:

Aim-   To check the material properties of the rail component and to calculate the speed of sound in steel rail. To calculate the time taken for a shock wave to travel from one end of the rail to the other given that the length of the rail is 1000 mm. To edit the engine file so that the stress wave can be…

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09 Sep 2022 11:19 AM IST

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Assignment 1-2D Meshing Challenge

Objective:

 Aim-       To Mesh the given model passing all quality criteria by extracting mid-surface. Objective- Carry out geometry cleanup operation on the given models. Extract mid surface. Clean mid-surface geometry. Ignore holes less than dia 5mm. Create a 2D mesh with target length 5mm, min 3.5mm max 7mm.…

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19 Aug 2022 12:55 PM IST

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    Bird Strike - Project - 2

    Objective:

    Aim- To perform and simulate the non-linear case of Birdstrike in Aero-engine using explicit analysis in 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 number, and part number are assigned…

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    09 Aug 2022 11:01 AM IST

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      Independent Research Project

      Objective:

      Aim- To perform static structural analysis on the deep groove ball bearing (std. skf 6208) and to check whether the bearing is suitable for the given application of ATFE or not. Theory- A ball bearing is a type of rolling-element bearing that uses balls to maintain the separation between the bearing races. The purpose…

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      08 Aug 2022 11:49 AM IST

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        week-11 Joint creation and Demonstration

        Objective:

        Aim-   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 the CONSTRAINED_JOINT keyword. Procedure- A. Joints between rigid bodies The various types of joints between…

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        08 Aug 2022 07:35 AM IST

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          Week - 10 Hyperelastic Material Models

          Objective:

          Aim- Use the given material data to build a hyper elastic material cards using Ls-Dyna. Build Mooney Rivlin and Ogden material card by finding their constants using d3hsp file. Perform uniaxial tensile test on Dogbone specimen with 100% strain (i.e. strain = 1) and compare the stress strain data in above cases. Theory-…

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          06 Aug 2022 07:44 AM IST

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          Week - 9 Material Modeling from Raw Data

          Objective:

          Aim- By using the diagram of the true stress-strain curve of graphite iron casting. Two curves are there for different material structures. We need to pick any one of them and use the data to create either a MAT_024 or MAT_018 material model and then validate it. Objective- To extract the data from the diagram. Clean the…

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          04 Aug 2022 12:32 PM IST

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            Week - 8 Mass Scaling

            Objective:

            Aim- To perform the simulation by reducing and stabilizing the runtime with the help of mass-scale factor. Objective- To understand the motive of a computing time with and without a mass-scale factor. By ensuring the stability of mass scaling at 8%. Comparing implicit vs explicit runtime. Basic Theory- Mass scaling In…

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            30 Jul 2022 06:19 AM IST

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            Week-7 Head Impact

            Objective:

            Aim-  To perform the Head Impact Simulation and calculate the Head Impact Criterion (HIC) value for the following cases. Objective- To perform head impact analysis and calculate the HIC (Head injury criteria/coefficient) value for the following cases: Case1: Simple head model and rigid wall Case2: Child head-foam…

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            29 Jul 2022 08:28 AM IST

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            Week-6 Calculate the Stretch Ratio by comparing the ELFORM (-2,-1,1,2) with Ogden_Material Model.

            Objective:

            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 plot engineering stress vs stretch values.   Explanation- Since this simulation is happening…

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            25 Jul 2022 10:04 AM IST

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            Week - 5 - Modelling Spotwelds

            Objective:

             Aim- to run a crash box simulation using beam spotweld and solid hex spotweld and to compare the results for both type of spotwelds. Objectives- Input. k file and output files (D3PLOT, GLSTAT, SLEOUT, RCFORC) Animation of the final simulation Cross-sectional force generated in the middle of Acceleration plot of a…

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            21 Jul 2022 11:28 AM IST

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              Week - 4 - Crash Box Simulation

              Objective:

                Aim: To do a complete simulation for crash analysis of box having two different thickness of 1.2 mm and 1.5 mm from the given FE model of crashbox. Objectives- Input. k file and output files (D3PLOT, GLSTAT, SLEOUT, RCFORC) Animation of the final simulation Cross-sectional force generated in the middle of the crash box…

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              19 Jul 2022 08:19 AM IST

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                Week - 3 Drop test Challenge

                Objective:

                Aim- To create a complete simulation file to perform a drop test from given basic .k file consisting of only nodes and elements. Essential keywords should be added to create a basic solver deck to simulate a drop test. Procedure- Open the LS-PrePost and open the given keyword file. The given input file consists of three…

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                14 Jul 2022 07:03 AM IST

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                  Week - 2 - Explicit and Implicit Analysis

                  Objective:

                  Aim- To study the Implicit and explicit analysis methods and how so solve problems using both the methods mathematically. Theory- What Is Implicit Method-    Implicit analysis works by trying solutions or iterations in attempts to establish static equilibrium (within a certain tolerance) with respect to the loading…

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                  08 Jul 2022 08:57 AM IST

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                    Week - 1 - Consistency of Units

                    Objective:

                    Aim- To convert given system of measurement to different measurement system (for ex.-SI to CGS) and to provide its conversion factors. Value of the following measurements are given as follows: MASS 1kgLENGTH 1mTIME 1sFORCE 1NSTRESS 1PaENERGY 1NmDENSITY 1Kg/m3YOUNG'S Modulus  210GPaVelocity 56.33KMPHGRAVITY 9.8m/s2…

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                    05 Jul 2022 11:31 AM IST

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                    Week 11 Car Crash simulation

                    Objective:

                    Aim- For this project, we will have to perform a parametric study using 3 different values of thickness for the car body by expicit dynamics. Procedure- Here no non-linear material has been not specified to us, so we will use the materials as follow for Car body, Stainless Steel NL- 2. Structural Steel for wall. Now we…

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                    04 Jul 2022 07:11 AM IST

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                      Week 10 Bullet penetrating a Bucket Challenge

                      Objective:

                      Aim- For this project, we will have to simulate a bullet penetrating into a bucket. We will use 3 different non linear materials for the bucket and analyse their behaviour for the same velocity of bullet. Apply the conditions for bullet as mentioned in the video itself & to upload animation files to show the behaviour…

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                      03 Jul 2022 10:56 AM IST

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                        Week 9 Machining with Planer Challenge

                        Objective:

                        Aim- We will have 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. We need to perform this for 2 cases. One will be with a cutting velocity of 20000mm/s and the other will be with a cutting velocity…

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                        03 Jul 2022 07:13 AM IST

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                          Week 9 Tension and Torsion test challenge

                          Objective:

                          Aim- For this project, we have to perform the tension and torsion test on the specimen provided using ansys workbench. Objective- For the tension test, displace one end of the specimen to 18mm while keeping the other fixed. We will need to find out the total deformation, equivalent stress and temperature of the specimen…

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                          01 Jul 2022 06:30 AM IST

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                            Week 8 Worm Gear Challenge

                            Objective:

                            Aim- For this project, we will have to perform a transient structural analysis on a worm gear assembly. For the academic version, we need to cut the gear by half so as to bring the model within limits. For the challenge, we have to rotate the worm so as to get to almost end of the half cut and get results for Equivalent…

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                            30 Jun 2022 07:10 AM IST

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                              Week 8 Worm Gear Challenge

                              Objective:

                              Aim- For this project, we will have to perform a transient structural analysis on a worm gear assembly. For the academic version, we need to cut the gear by half so as to bring the model within limits. For the challenge, we have to rotate the worm so as to get to almost end of the half cut and get results for Equivalent…

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                              30 Jun 2022 07:08 AM IST

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                                Week 8 - Universal Joint

                                Objective:

                                Aim-       For this project, we will have 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(They can all be found in the General Materials section) The three materials must be used on…

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                                29 Jun 2022 02:02 PM IST

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                                Week 7-Long Piston With Cam

                                Objective:

                                Aim- For this project, we will have to perform a transient analysis on a piston and cam mechanism model that has been provided to us. We need to run the analysis with Frictionless contact, Frictional with 0.1 and 0.2 as the frictional contact for a total of 3 cases. Find out the Equivalent Stress, Directional Deformation…

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                                27 Jun 2022 07:25 AM IST

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                                  Week 5 Bending of iPhone

                                  Objective:

                                  Aim- We have to perform structural analysis for Iphone bending & is to be performed for 2 different cases. Variation of certain settings is also to be performed and conclusions are to be added to the report.   Objective- simulate the bending of iPhone as per the given cases below Case 1: Simulate the model…

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                                  24 Jun 2022 10:20 AM IST

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                                    Week 5 Sphere pressing on a plate

                                    Objective:

                                    Aim- For this Project, We have to perform the analysis to simulate a sphere pressing on a plate. Using Structural steel for both sphere and plate but the material of the plate must be Non Linear. We have to press the sphere onto plate 4mm downwards and retract it. The plastic deformation must be captured.…

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                                    23 Jun 2022 06:13 AM IST

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                                      Week 4- Rolling operation

                                      Objective:

                                      Aim- For this project, we will have to simulate the rolling operation on a workpiece made of copper using static structural.   Objective- For the given model. We have to increase the length of the workpiece by 60mm and decrease its size on both sides by 8mm. We have to Run the simulation for 14 steps and you can give…

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                                      22 Jun 2022 02:12 PM IST

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                                        Week 4 -Wire Bending Challenge

                                        Objective:

                                        Aim- For this project we will have to perform an analysis to simulate the bending of a wire in ANSYS. We will have to use Copper Alloy (Non Linear), Aluminium Alloy (Non-Linear), and Magnesium Alloy (Non-Linear) for the wire alone. We need to find out the Equivalent stress and Equivalent strain on the wire alone.…

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                                        22 Jun 2022 07:31 AM IST

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                                          Week 3 Sheet metal Bending challenge

                                          Objective:

                                          Aim- We have to perform structural analysis for sheet metal bending & is to be performed for 3 different materials. Variation of certain settings is also to be performed and conclusions are to be added to the report.   Objective- We have to run the analysis for the material : Case 1:Aluminium Alloy 1199( mentioned…

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                                          20 Jun 2022 01:45 PM IST

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                                            Week 3 Verification of Weld Joints

                                            Objective:

                                            Aim- To simulate three different types of welding using three different weld materials by structural analysis. Objective- Weld Material used: 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.…

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                                            17 Jun 2022 11:34 AM IST

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                                              Week 2 Railwheel and Track

                                              Objective:

                                              Aim-     To Perform a static structural analysis on the Railwheel and Track setup and evaluate results for total deformation, equivalent stress & life under loading condition. Objective- Our main objective is to perform analaysis as per below mentiioned case. Case 1: Multiply the bearing load…

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                                              14 Jun 2022 09:15 AM IST

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                                                Week 2 Bevel Gear Challenge

                                                Objective:

                                                Aim- To perform static structural analysis on the given bevel gear and to perform grid dependency test for mesh sizes of 6,5 and 4 mm, to solve it for Von-Mises stress, Equivalent elastic strain, and Total Deformation using the previously mentioned mesh sizes. Grid Dependency Test-  Grid dependency test is to…

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                                                10 Jun 2022 01:55 PM IST

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                                                  Project - 2 - Meshing on the suspension Assembly

                                                  Objective:

                                                  Aim- In this project for the given assembly, we have to check for the geometrical errors and mesh with the given element Quality criteria. After meshing the component the thickness has to be assigned for mid surfaces. Use tetra elements to model non-uniform thickness components. Also use Appropriate connections to connect…

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                                                  07 Jun 2022 11:50 AM IST

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                                                    Project 1 - 2D meshing on the instrumental Panel

                                                    Objective:

                                                    Aim- In this project for the given component, check for the geometrical errors and mesh with the given element Quality criteria. After meshing the component the thickness has to be assigned. Procedure- We will first start with model importing and check for geometrical cleanup. Now for geometry check go to Tools>>checks>>geometry>>click…

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                                                    05 Jun 2022 12:53 PM IST

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                                                      Week - 8 - Morphing

                                                      Objective:

                                                      Aim- To test and apply various morphing techniques to given project models and explain the procedure of same and its applications in industries.   Morphing- Morphing is an advanced CAE modeling technique used to modify the shape of mechanical parts and assemblies without returning in the CAD system, which is time…

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                                                      02 Jun 2022 09:10 AM IST

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                                                      Week 6 - Creating connection for Rear door

                                                      Objective:

                                                      Aim- For this project for the given Rear door FE model, we have to create and Apply different PIDs for different components. To generate the 1D connections in NASTRAN deck for diffrenet type of joint. Procedure- Given model has been imported to ANSA, it has been observed that there is a Common PID present in the model.…

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                                                      30 May 2022 06:37 AM IST

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                                                      Week- 5 - Solid meshing

                                                      Objective:

                                                      Aim- For this project of Rear view mirror component, we have to check for the geometrical errors in geometry and mesh the Surfaces with the given 2D element trai elements with given quality criteria and then to generate 3D tetra mesh and satisfy quality criteria. 2D Quality Criteria- 3D Quality Criteria Procedure-  …

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                                                      26 May 2022 05:08 PM IST

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                                                      Week - 4 - 2D meshing for Plastic components

                                                      Objective:

                                                      Aim- The main objective of this project is to do preprocessing of the given bottle cap i.e. to do geometry cleanup, extraction of mid-surface, mesh generation of model. To provide thickness and material to mid-surface & mesh, also to satisfy the quality criteria mentioned below, Procedure- We start with the model import…

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                                                      26 May 2022 07:41 AM IST

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                                                      Week 3 - 2D meshing for sheet metal

                                                      Objective:

                                                      Aim- The main objective of this project is to do preprocessing of the given hood of car i.e. to do geometry cleanup, extraction of mid-surface, mesh generation of model. To provide thickness and material to mid-surface & mesh, also to satisfy the quality criteria mentioned below, Procedure- We start with the model import…

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                                                      22 May 2022 03:52 PM IST

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                                                      Week 1 Spur Gear Challenge

                                                      Objective:

                                                      Aim- To perform static structural analysis of spur gears using Ansys Workbench on below mentioned materials 1. Cast Iron 2. Cast Steel 3.Cast Bronze To evaluate results for total deformation, Equivalent stress and stress intensity and comparing the result for all materials and to recommend best material fromdesign point…

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                                                      18 May 2022 05:27 AM IST

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                                                        Week 1 Stress Concentration on a Plate with hole

                                                        Objective:

                                                        Aim- To Determine max. deformation and stress developed in a given plates by performing structural analysis in Ansys Workbench. Objective- To create 3D model of plate with hole as per given dimesion as per case 1. To create 3D model of plate with hole as per given dimesion as per case 2. To Find max. deformation and stress…

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                                                        15 May 2022 06:21 AM IST

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                                                          Week 12:Project 2-Meshing of Rear Wheel Holder challenge

                                                          Objective:

                                                          Aim-       Our goal is to generate mid surface of given component and create mesh and to satisfy quality criteria mentioned in the challenge. Procedure- We will start with importing the model for that go to import>>import model>>select file format as IGES>>Select file location then select file>>hit import. we will check…

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                                                          24 Apr 2022 10:07 AM IST

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                                                            Week 12:Project-1-Meshing of Door Inner Panel Challenge

                                                            Objective:

                                                            Aim-    To extract mid-surface from a given back door panel and to create mesh of the same component satisfying all the quality criteria and to assign thickness to it.  Quality Criteria- Procedure- We start with importing the model for that go to import>>import geometry>>Iges file format select file and hit import. Now…

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                                                            19 Apr 2022 02:12 PM IST

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                                                              Week 9-Creation of 1D Connectors Challenge

                                                              Objective:

                                                              Aim-      To create 1D element connector to given model, also to create mesh as per given criteria and to satisfy qualty criteria.  Quality Criteria- 1D Connection type- Procedure- Now we will firstly start with model import, for that import>>model import>>select model>>hit import.…

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                                                              01 Apr 2022 01:00 PM IST

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                                                                Week 8-3D Tetra Meshing Challenge

                                                                Objective:

                                                                 Aim-     To perform 3D terta mesh on given models and satisfy given quality criteria.   Procedure- 1.Model-1(Housing Assembly)- Initially ww will import the given model for that go to import>>import geometry>>Step file then hit import. then go to topo mode and do manual geometry cleanup,…

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                                                                31 Mar 2022 04:59 AM IST

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                                                                  Week 6-Meshing of Hood Challenge

                                                                  Objective:

                                                                  Aim- To do a 2D mesh of given Hood assembly as per given data and to do a quality check as per given condition mentioned below,   Procedure- Intially we have to import the model given to us, for that go to import>>import model and then select file and click on import. The given hood assembly consists of 4 parts,…

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                                                                  10 Mar 2022 02:51 PM IST

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                                                                    Week 4-1D Element Creation Challenge

                                                                    Objective:

                                                                    Aim- Our aim is to create 1D Element for given set of model using different cross section mentioned below all by using Hypermesh Software. Objective- a. Rod element:- Translational DOF should be Constrained with RBE2 link Cross-Section: BOX- Dimension a= 12 mm              …

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                                                                    18 Feb 2022 12:02 PM IST

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