Week 4-1D Element Creation Challenge

Aim: To simulate tensile behavior of a 10mm cube using Ogden material properties, apply boundary conditions, and compare results with a given uniaxial plot up to a stretch ratio of 5. Evaluate different element formulations (ELFORM = 1, 2, -1, -2) and adjust material units. Choose and justify the use of an implicit or…

Objective: The objective of this project is to model spotwelds for an assembly of parts and run a crash test simulation using LS-DYNA. The spotwelds are modeled using both beam and solid elements, and their performance is compared in terms of axial and shear forces, stress, strain, and energy plots. Theory: Spot…

Aim:      To simulate a crash test for a crash box for which mesh is given.  Assumptions and Informations:      1) Crashbox should be crash into a rigidwall       2) Material of crashbox is steel.       3) Thickness of crashbox is 1.2 mm  …

Objective: To perform drop test simulation of a cell phone on a plate with initial velocity using LS Dyna. Modal Image:                        Procedure:    1) Open the given Keyword file in LS Dyna. For this        goto File >> Open >> LS Dyna Keyword File >> Select the given file >> click on open.        File will be…

Objective: Implicit and Explicit methods for solving F(u) = u3+9u2+4u  Introduction:                    Numerical methods play a crucial role in solving equations where analytical solutions are dufficult or impossible to obtain. Here, we explore two numerical techniques…

Objective: Generating Midsurface and geometry clean up on the given component. Also generating mesh on the given component with low tria concentration and proper mesh flow. Modal Image:                                      …

Aim : To Convert the following measurements into the given system of units and determine their corresponding conversion factors. Measurements: MASS 1kgLENGTH 1mTIME 1sFORCE 1NSTRESS 1PaENERGY 1NmDENSITY 1Kg/m3YOUNG'S Modulus  210GPaVelocity 56.33KMPHGRAVITY 9.8m/s2 System of units: Kg cm ms Kg cm s gm mm…

Objective:               Mesh the given model according to given quality parameter         Target Element size - 5 Units S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length…

Objectice:  For the given MODEL 1, 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  Tet collapse: 0.15 For the given MODEL 2, Create a 3D Tetramesh with the…

  Objective: Extract the mid surface and mesh the surface Modal Image:                                   Procedure 1.       Import the model. Go to Insert geometry >> select file >> click…

  Objective: to mesh the backdoor geometry of a car according to given quality parameters. Target Element size - 5 Units S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 3 Units 6 Max. Length 7 Units 7 Min angle Quad 45 8 Max angle Quad 135 9 Min angle Tria 30 10…

Objective: to extract the middle surface of given model and mesh the middle surface. Procedure: First import the model in hypermesh   To import go to File Menu >> import >> geometry.       Now choose ‘IGES’ as file type and open the model.   Now select the model and click import.     Now our model is opened in hypermesh.…

Objective:  Mesh the Given component with the Size of 5 Units. Create 1D elements on the following component with given cross-section and DOF a. Rod element:- Translational DOF should be Constrained with RBE2 link Cross-Section: BOX- Dimension a= 12 mm                …

Aim: Meshing on the suspension Assembly Introduction:                 Suspension Assembly: The suspension system's primary function is to maximize the overall performance of a vehicle as it cruises down the road. The suspension system also helps to absorb bumps…

Aim: 2D Meshing on the instrumental Panel Introduction:          Instrumental Panel is a panel on which are mounted an array of dials, lights, and gauges that monitor the performance of a machine or device, as an airplane.            …

Aim: Using Morphing give proper change to geometry.  Introduction:  Morphing: It is a type of ANSA feature which is used to change the geometry of the model as well as FE.  Need of Morphing: After creating FE, if the user wants to make any change in that like creating the hole, copying or moving the features,…

Intake Manifold

Aim: Creating Connections for real door of a passenger car. Introduuction: A card model has various components and each components is modeld. Each model is meshed seperatly and then assembeld for the analysis. For assembling there is need of Connections between the models. The connections are of diffwerent type and done…

Aim: Tetra Mesh Generation on Rear View Mirror Quality Creteria: S.No  Quality Criteria  Value  1 Target/Average length   1 2 Minimum Length  0.5 3 Maximum Length  2 4 Tet Collapse (Solid) 0.2   Introduction: The FE model which has thickness 6 mm or more than 6mm is used for solid…

Modal 1: 6 hours Modal 2: 3 hours

Aim: 2D Meshing for Plastic Component Procedure: We use the ANSA software for meshing. In first step we give the appropriate quality parameter to the model and then extract mid surface of plastic component manually. In this process Middle, Extend, Offset, Cut, Intersect etc commands are very helpful. Fig. 1: Mid- Surface…

Report on Assignment Work Assignment: For the given Hood model, Take the mid surface for all the components after checking the geometrical errors and mesh the mid surface with the given element Quality criteria S.No  Quality Criteria  Value  1 Target/Average length   5 2 Minimum Length …