Week - 8 - Morphing

AIM:To simulate the crash test of the crash box impact on the rigid wall. The given crash box which is meshed has to be setup with 1.2mm thickness and 1.5mm thickness. Nodal accelerations, Directional stress and strain values should be compared.PROCEDURE:Crash Box :A crash box is a highly energy absorbing structure that…

AIM:To perform the simulation of a cell phone drop test using LS-DYNA with required conditions and plot the respective results.DROP TEST :A drop test is a test designed to examine the structural integrity of a product.Drop tests usually involve an object being dropped from a predefined height onto a second object or surface.…

AIM:To solve the given equation F(u)=`u^3`+`9u^2`+4u using both Implicit method and Explicit method of solving.OBJECTIVE: Solve the given equation by using the reference in both Explicit solving method and Implicit solving method with the tolerance value as 0.01 or `10^-2` PROCEDURE:Implicit and Explicit analysis…

AIM :To convert the given system of units into different unit system and finding the respective unit conversion factor.OBJECTIVE :LS-DYNA doesn't have a default system of units. User needs to input material properties and physical dimensions according to a consistent system of units as per their choice. This warrants that…

SIDE POLE CRASH SIMULATION OF DODGE NEON BIW :Aim :To perform Side Pole Crash simulation of Dodge Neon BIW structure (reduced model) using Hypercrash/Hypermesh to preprocess and Radioss to solve.Objective : To check unit system and follow [Kg mm ms]. To create appropriate interface,friction 0.2 and recommended parameters.…

AIM :To perform Frontal crash simulation of Dodge Neon BIW structure (reduced model) using Hypercrash/Hypermesh to preprocess and Radioss to solve.OBJECTIVE : To check unit system and follow [Kg mm ms]. To create appropriate interface,friction 0.2 and recommended parameters. To make sure of no penetrations and intersection.…

OBJECTIVE :To mesh the given bumper model with 2d quad elements of size 6mm and provide proper connections to them. To create various interface cases for the given crash tube, study the behavior of crash tube by modifying notches and compare the outcomes.Here are the given scenarios to be performed: Run the crash tube…

OBJECTIVE :To apply different material formulations, property changes in the simulation model and compare the behaviour of the elements, compare the total no.of cycles, energy and mass error, total simulation time etc with the changes made in the material law and properties.PROCEDURE :Case 1 : Default Parameters ( Law…

OBJECTIVE : Comparison of results with base simulation and improved shell element properties 1.Using the crash beam file provided, 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.…

 OBJECTIVE : 1. Check the material properties of the rail component and calculate the speed of sound in steel rail. 2. The length of the rail is about 1000 mm.calculate the time takes for a shock wave to travel from one end of the rail to the other. 3.Time for sound to travel length of rail. 4.Edit…

OBJECTIVE :To Clean up the given geometries and extract midsurface and mesh them with 5mm 2D shell elements and assign proper thickness to them.PROCEDURE :1. Firstly Import the geometry which is provided in the Hypermesh windows. Now, keep the view in By topo mode to see the geometry clearly and observe any errors in it.…

OBJECTIVE :To model the given rear wheel assembly with Solid elements and Shell elements by following the given quality criteria & assign proper thickness and connections to the assembly.Given Quality Criteria : Quality Criteria for Surface Meshing of Tyre and Rim (Element type: Tria) :  S.No  Quality Criteria  Value …

OBJECTIVE :This Project aims to extract the midsurface and mesh the given Automotive IP Substrate with 2D shell elements by following the given quality criteria and mesh parameters.Dashboard of an automotive :A dashboard (also called dash, instrument panel (IP), or fascia) is a control panel set…

OBJECTIVE : To practice and learn Morphing techniques and get familiarize with it.What is Morphing ?Morphing is the process of modifying the design of a model which doesn't demands any numerical input and can be done like a free hand sketch. If the modified design is found feasible then the design department can work on…

OBJECTIVE :The given component of Rear door FE model has to be provided with appropriate connections with Rigid elements, spot welds, Bush elements etc at the required parts respectively.PROCEDURE :1. Firstly, Open the given file in the ANSA window and observe the component clearly and check for any errors in it.2. The…

The given Intake manifold model has been successfully meshed with Tetrahedral elements. The elements were free from failures.

OBJECTIVE :To perform 3D meshing (solid meshing) for the given rearview mirror component with tetra elements and following the corresponding quality criteria :For 2D elements : S.No  Quality Criteria  Value  1 Target/Average length   1 2 Minimum Length  0.5 3 Maximum Length  2 For 3D…

For the given sheetmetal and plastic trim component, 2D shell mesh has been done successfully

OBJECTIVE :To clear all the geometrical errors in the given Bottle cap component and extract midsurface with suitable technique followed by 2D shell meshing with given quality criteria. S.No  Quality Criteria  Value  1 Target/Average length   1 2 Minimum Length  0.5 3 Maximum Length  3 4 Aspect  3 5 Warpage 15 6 Skewness…

OBJECTIVE :To extract the midsurface of the given CAD model and perform 2D shell meshing and assign thickness accordingly to the mesh created. The created FE model should pass the given Quality criteria:     S.No  Quality Criteria  Value  1 Target/Average length   5 2 Minimum Length …

MESHING OF REAR WHEEL HOLDER:OBJECTIVE :To perform 2D meshing for the given rear wheel holder component using 5mm quadrilateral elements that passes all the given quality parameters.QUALITY PARAMETERS :  Target element length : 5mm (Quadrilateral) S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness…

MESHING OF  DOOR INNER PANEL Automobile Door Inner Panel: The Automobile door inner panel is a component which is used for strengthening the door assembly and it is one of the most important components in which all the accessories are mount like hinges, glass guide channel etc. They serve as an interface between the…

AIM: To mesh the given component with 5mm element size and then connect all the components with respective connectors of various specifications which are provided.PROCEDURE: CONNECTORS:These are geometric entities used to create elements like spot welds, bolt, seam welds, adhesives, masses etc to the component. To put…

AIM :To perform 3D tetra meshing for the given components which satifies the given element quality parametersPROCEDURE :In this part, we need to perform 3D meshing with tetra elements of size 5mm and min & max element size as 2mm & 7mm accordingly with tet collapse not lesser than 0.15For the Housing model,1.…

Aim :To extract midsurface of the given component for each parts seperately and then perform 2D meshing with the given parameters.Procedure :1. Firstly, Import the given .hm file in the altair hyperworks window and then view the geometry.2. After analysing the geometry, start from the smallest component of the geometry.…

Objective :Extracting midsurface of the given model and meshing using shell elements. To create 1D elements : rod,bar & beam of given dimensions in the model. Procedure:1. Open Hypermesh Desktop and Import the given CAD model.2. Now, Autoclean up the geometry and then extract the midsurface of the solids.3. Go…