Week - 4 - 2D meshing for Plastic components

Aim:  To simulate a crash test for the given simple crash box structure. The given crash box structure has mesh already provided. The crash box shall be simulated with following conditions:   The crashbox to be crashed into a rigidwall created using *RIGIDWALL_ keyword Material for the crashbox is to be assigned…

Aim: To create an input deck from scratch and creating results similar to the situation, where the phone would bounce back in the same direction after the impact. Procedure: 1. Open the given model: The given file is opened using File --> Open --> LS-Dyna Keyword file  2. Material card creation: Select Keyword…

Aim: To solve the given equation F(u) = u3+9u2+4u using both explicit and implicit methods (with a tolerance of 0.001) Explicit and implicit methods: Explicit and implicit methods are numerical analaysis methodologies used for obtaining numerical approximations to the solutions of time-dependent ordinary and partial…

Aim: To convert the given measurements in the given different system of units and also mention their conversion factors. Procedure: The conversion of SI unit to gm/mm/ms system for the given measurement is as follows: Conversion from SI Unit to gm/mm/ms system Mass = 1 kg = 1000 gm Length = 1 m = 1000 mm Time = 1s = 1000ms…

Aim: To mesh the given rear wheel holder geometry of a car with the following given quality criteria and assign thickness. Procedure: Hypermesh is opened in Optistruct solver mode. The given rear wheel holder geometry is imported in Hyperworks using Import Solver deck Figure 1 - Given hood model Midsurface generation The…

Aim: To mesh the given inner door panel geometry of a car with the following given quality criteria and assign thickness. Procedure: Hypermesh is opened in Optistruct solver mode. The given inner door panel geometry is imported in Hyperworks using Import Solver deck Figure 1 - Given hood model Midsurface generation…

Aim: To mesh the given geometry for the below provided quality parameters. Target Element size - 5 Units Then, to create connectors on various parts of the given model Right_Rail_2 & Front_truss_1:- Seam-Quad(angled+capped+L) Left_Rail_2 & Front_truss_1:- Quad elements Front_truss_2, Front_truss_1 & Right_Rail_1:-…

Aim: To create a Tetramesh for the following given components with the following given quality criteria and tetramesh generation methods: Create a Teramesh for Housing component with the following quality criteria. TetraMesh Generation Method: 2D to 3D Conversion Elements sizes: Min- 2 Units, Target- 5 Units, Max- 7 Units…

Aim: To mesh the given hood model with the following given quality criteria and assign thickness. Procedure: 1. The given model is opened in hyperworks Figure 1 - Given hood model 2. Midsurface generation The hood model contains four parts. The mid surface for each part is created separately using the below step:…

Aim: To mesh the Given component with the Size of 5 Units and also to create 1D elements on the following component with given cross-section & DOF 1.Rod element:  Translational DOF should be Constrained with RBE2 link Cross-Section: BOX- Dimension a= 12 mm, b=10 mm, Thickness t= 0.75 mm 2. Beam element:- All DOF…

Aim: 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. Tetra elements to be used to model non-uniform thickness components. Also appropriate connections to connect the component as suggested in the Project-2…

  Aim: To check for the geometrical errors, take the Mid surface and mesh the Mid surface of IP console geometry with the given 2D element Quality criteria. After meshing the component the thickness has to be assigned. Procedure: Importing CAD model and geometrical error check: Import the CAD geometry in ANSA. The…

Aim: For Model 1 - To check for the geometrical errors and practice the morphing techniques that were shown in the video For Model 2 - To increase the height of the dog houses and ribs for the model using morphing techniques Procedure: Model 1: Importing CAD model and geometrical error check: 1. Import the CAD geometry…

Aim: To create appropriate 1D connections for the given rear door FE Model. Procedure: Importing CAD model: 1. Import the CAD geometry in ANSA.                                                    …

Aim: To check for the geometrical errors and mesh the Surfaces for the given Rear view mirror component, with the given 2D element Quality criteria. Procedure: Importing CAD model and geometrical error check: 1. Import the CAD geometry in ANSA. The faces of the geometry is not oriented properly.        …

Time taken to complete the model - 12 hrs

Time taken for each model = 24 hours approximately

Aim: To create mid surface for the given hood model, during which PID and thickness assignment has to be done for all the mid surfaces. All the mid surfaces then have to be meshed with the given element quality criteria and mesh parameters.   Procedure: Importing CAD model and geometrical error check: Import the CAD…

Aim: To create mid surface for all the components in the give hood model after checking the geometrical errors and mesh the created mid surface with the given element quality criteria and mesh parameters.   Procedure: Importing CAD model and geometrical error check: Import the CAD geometry in ANSA.     …