Spotwelds Modelling Using LS-Dyna

AIM:- Roof Crush Analysis using Radioss and Hypercrash workbench. OBJECTIVES:-  1)Plot force vs. displacement. Check that the FMVSS 216 target load of 47,000 N (= 3 * GVW) has been met.2)Plot the energy vs. time curves. METHODOLOGY Import the model in Radioss/Hypercrash workbench. (each platform has there individual…

AIM:- Pedestrian Head Impact Simulation using Child's head form in LS-Dyna. Objectives:-  The impact simulation of a simple head impact with the Rigid wall. The impact simulation of the Headform provided with the Rigid wall. The impact simulation of the head form with the Hood. Calculate the HIC value and cross-check…

  AIM- Mass scaling to reduce the run time of a model and ensure the stability of the System. OBJECTIVE-  Use mass scaling to reduce run time & maintain stability Evaluate the relation between mas scaling by varying d2ms & TSSAC Perform mass-scaling for Explicit method & Implicit method THEORY Anytime…

Aim:- Using different materials, carry out a static structural analysis & Find a location for a possible fracture. Objectives -To find out Equivalent stress, Total deformation, and Stress intensity(Learn about what stress intensity is). -Find a location for possible fracture Methodology -Called out the respective…

Grid Dependency Test ’Grid Independence Test’ and 'Grid Dependency Test',  ‘Mesh Refinement Test’ are synonyms and they all mean the same. While performing Finite Element Analysis, one of the most common questions is finite element mesh quality. How can one know if the mesh is good enough for…

Aim:- Perform a static structural analysis on the Railwheel and Track setup Objective:- CASE1:- Run the Static Structural Analysis with the bearing load 100000N CASE2:- Run the Static Structural Analysis with the bearing load 500000N CASE3:-  Implement a User-defined result and calculate the Total Deformation…

Aim:-  2D Finite element meshing over the Vehicle Door Trim Using Hypermesh.  Methodology:-  Import model from its respective location. This model may be the step/IGS /hm file. Perform topology and geometry clean upon the geometry, Identify and remove all possible errors in the geometry. After visualizing…

Aim:- Crash Box Impact Test. Objective:- Study the different Cards and stresses and strain generated during impact. creating an input deck from scratch. The cross-sectional force generated in the middle of the cashbox Methodology- 1- Import the model. 2- Delete the unusable parts. 3- Set the appropriate…

AIM:- Spotweld Analysis using the beam and hexa element. Objective:-  1) model spot welds for the given assembly of parts and run a crash test. 2) model Spotweld using beam elements and solid elements separately. 3) Compare the axial and shear force among beam and solid elements Spotweld Spot welding (also…

Aim: - To perform 3D finite element meshing on given geometry using Hyper Mesh. Deploy Tera and Hexa element on the geometry. Methodology Import model from its respective location. This model may be the step/IGS /hm file. Perform topology and geometry clean upon the geometry, Identify and remove all possible errors…

Aim: - To check for the geometrical errors and deformation in the newly called model (Tool test). Identify its geometry and perform solid mesh (Tetra) on the component using 3D mesh/ V. mesh deck followed by the given element Quality criteria. Basic Steps 1) Import model and Go for Length option from mesh module (Deck)…

  Aim: - To check for the geometrical errors and deformation in the Suspension system model. Performing a proper mesh and deploying the connections on the components of the suspension system. Overview In this project, the model I get was a Suspension system. As you have known the suspension system is quite a large…

Aim:- To perform 2D Finite element meshing over the sheet metal component (Car Hood ).  Challenges:1) The newly imported geometry consists of a number of errors.2) Hard to visually find the numbers of parts present in the model itself.3) hard to understand the actual shape of some features as the imported geometry…

Aim: - To perform 2D Finite elemental Mesh on giving plastic model, and ready the model for NVH simulation on the ANSA Workbench. Basic Steps 1) Import the model and Go for Length option from the mesh module to find out the actual geometry of a model 2) perform topo on it. As the model is too distorted after importing…

AIM:- Connection deployment over Assemblies and Sub Assemblies using Hypermesh platform. OBJECTIVE:-  Extract Mid Surface from the Geometry Mesh the MID surface with 2D Finite elements as per the Quality Criteria Deploy a connection over different parts in the assembly. Check the realization of the deployed connection.…

Aim:-  2D Finite element meshing over the Floor Panel Using Hypermesh.  Methodology:-  Import model from its respective location. This model may be the step/IGS /hm file. Perform topology and geometry clean upon the geometry, Identify and remove all possible errors in the geometry. After visualizing the…

Aim: - To perform 3D finite element meshing on given geometry using Hyper Mesh.  Methodology 1) Import the model from its respective location. This model may be the step/IGS /hm file. 2) Perform topology and geometry clean up the geometry, Identify and remove all possible errors in the geometry. 3) Extract Mid-surface…

Aim:- Is to deploy connection over the various part of the Rear Door model and make it ready for NASTRAN deck-NVH Simulation.  Methodology:- 1) Import model and Go for Geometry check. 2)perform topo on it. As the model is too distorted after importing from different software. Topo helps to merge the adjacent…

AIM:- Side Pole Impact simulation on the CAR BIW structure using Radioss/Hypercrash. OBJECTIVES:- Check the unit system and either follow [Mg mm s] or [Kg mm ms]. Create an appropriate interface, friction 0.2, and recommended parameters. Make sure of no penetration and intersections. Create a rigid wall with friction…

AIM:- Crashworthiness simulation using Radioss/Hypercrash over the CAR frontal BIW structure. OBJECTIVES:- Check the unit system and either follow[Mg mm s] or [Kg mm ms]. Create an appropriate interface, friction 0.2, and recommended parameters. Make sure of no penetrations and intersection. Correct rigid bodies if any…

Aim:- Crash Tube Analysis using Different types of Interfaces available in Radioss and Hypermesh workbench. 2D -1D element deployment over the Bumper Assembly using Hypermesh. Objectives: 1) Deploy proper 2D mesh and 1D connection on Bumper Assembly. 2) set different types of Interface connection and RUN the simulation.…

Aim:- Study Different material models available in Radioss workbench. Apply that material cards on the body (part ) and study the behavior of that body (part) due to the respective material card. Objective:- 1) Set the model under different LAW (Material IDs) and run the simulation for that. 2) Collect data in the form…

Aim: -  Identify the components geometry and perform solid mesh (Tetra) on the component using a 3D mesh Deck followed by the given element Quality criteria.    Objectives:- -Is to understand the Tera mesh/ 3D mesh deployment over the model. -Understand the tetra elements. - Understand the difference between…

Aim: - To check for the geometrical errors and deformation in the newly called model. Identify its geometry and perform solid mesh (Tetra) on the component using 3D mesh/ V. mesh deck followed by the given element Quality criteria.  Methodology:-  1) Import model and Go for Length option from the mesh module…

Aim:- To check for the geometrical errors and mesh plastic (casting) component using 2D mesh followed by the given element Quality criteria. After meshing assigned thickness to the respective component. Basic Steps 1) Import component and Go for Length option from the mesh module to find out the actual geometry of…

Aim: - Morphing on CAD model and FE entities. Morph: - Morphing is an option that helps to modify the CAD or FE without any dimensional constrain. It's the best way to do quick modifications to geometry as well as the FE level. That modification includes adding a new feature, change the position / Direction of features,…

1) Make a Simulink model of Doorbell using solenoid block with the following details. In the above arrangement, when the switch is closed the electromagnet receives electrical power from the battery and pulls the metal arm to hit the bell producing sound.  Create a situation where the switch is closed for…

Stateflow:-Its a Matlab-Simulink tool where you can convert the logic into a systematic system. A Stateflow is a part of Simulink just like a Simulink is a part of Matlab. -Stateflow is a control logic tool used to model reactive systems via state machines and flow charts within a Simulink model. -State machines are…

Aim:- write a code to parse the NASA thermodynamic data file and then calculate the thermodynamic properties of various gas species. Objectives: 1)Read the data inside the Nasa File. 2)Write the code to plot the Thermodynamics characteristics of each species. 3)Calculate the Molecular weight of each species. Theory:…