Week-7 Head Impact

Aim: The Aim of this Challenge is to Extract the Midsurface of the given Sheet metal Part and to Provide proper connections based on optistruct solver. Procedure: The Steps involved are, 1. Mesh the given geometry according to the Quality Criteria given 2. Provide the Proper Connections 3. Clear the Mesh flow around the…

Aim: The Aim of this challenge is to create a Tetra mesh for the Given geometry. 1.Housing Model  For First model, the Surface Tria elements has to be created with target element size of 5mm, Max element size = 7mm and min element size = 2mm, then the 3D Tetra mesh needs to be created which will meet the minimum TET…

AIM The Aim of this Challenge is to create the Mesh for Automobile Hood component using Hypermesh Software, which is a sheet metal Part. PROCEDURE The Following Step by step procedure is followed for creating the FE model for Automobile Hood Importing Cad Geometry into the Hypermesh Extraction of Midsurface of all the…

Aim: The Aim of this Challenge is to Create the Midsurface of the simple Bracket. Mesh the Extracted Midsurface with Quad & Tria Elements with Element size of 5mm and then create the 1-D Elements between the Brackets. 1. Extracting of Mid_surface: The Mid surface is extracted for the simple geometry using Auto-mid…

Aim: The Aim of this project is to simulate the impact of Bird over the Turbo fan Blades Bird Strike: Bird Strike is a phenomenon where the Bird hits the Suction fan of Aero Engine and damage the Blades of fan profile. This is serious threat to the passenger & Crew members of aeroplane as the massflow rate of the air…

Aim: The Aim of this Challenge is to create Joint between the Rigid & Deformable bodies. Description: The following joint configurations are created, 1. Revolute joints between two rigid bodies 2. Revolute joints between two deformable bodies 3. Spherical, Cylindrical, Prismatic Joints between Rigid & Deformable…

Aim: The aim of this challenge is to Calculate Mooney Rivilin & Ogden material Constants and compare the Stress-strain data obtained from simulation with measured value. 1. Overview of Hyperelastic Materials: Hyperelastic materials are class of materials that undergo nonlinear Elastic deformation. The Stress strain…

Aim: The Aim of this Challenge is to extract the data from the given curve and Findout the Youngs Modulus, Yield strength of the Specimen under test and model the same using LS-Dyna. Chapter-1 MATERIAL MODELLLING_EXCEL: The following steps are followed inorder to find out the Young's modulus of material under test. 1.1…

Aim: The Objective of this Challenge is to understand the Mass-Scaling Parameters in Explicit Analysis. Description: Mass Scaling is a technique to increase the Timestep of Explicit Dynamic Analysis. The Important Concern in the Explicit analysis is the smaller Time step. The Minimum Timestep required for Explicit analysis…

Aim: The Aim of this Challenge is to Create Head impact simulation considering three different Cases. 1. Impact of Pedestrian Headform Over Rigid Body. 2. Impact of Pedestrian Headform over Deformable Aluminium Hood 3. Impact of Spherical Head Over Rigid Body. HISTORY: Attempting to Quantify the Possible injury to Human…

 Aim: The Aim of this Challenge is to compare the stretch Ratio of Cubic Rubber Material model with different Element formulations. Procedure: The following steps are followed inorder to complete this challenge 1. Element Creation 2. Solver Preference Discussion 3. Solver setup 4. Loading Conditions 4. Post Processing…

Aim: The Aim of this Challenge is to Create a Crash simulation of Brackets by Modelling Spotwelds. Procedure: There are many ways to create the spotwelds, Here the following two methods are demonstrated for spotweld Creation. 1. By Modelling spot welds as Beams 2. By Modelling spot welds as solid Elements. Case-1 Modelling…

Aim: The Aim of this Challenge is to perform the Crashbox Simulation. The Input.k file is provided which contains the Informations about nodes & Elements. Description:  The Following Steps are followed inorder to complete the simulation. Material Defnition Part Defnition Rigid wall Creation Contact Defnition Boundry Condition…

Aim: The aim of this challenge is to create the Input file for Drop Test Simulation.  Procedure: The Initial Input File Provided for the challenge contains only the Nodes & Elements. There are three Parts Defined in the Initial Input File. The Cellphone is Modelled with Solid Elements. The Floor or Rigid Wall…

  ' Aim: The Aim of this Challenge is to Study the Two diffent Methods to solve the General Equation of Structural Analysis. Description: The Two different Methods to Solve the General Equation of Motion are Explicit and Implicit Methods. Both Equations aims to solve the Governing Equation as shown below. `[M]{ddotx}+[C]{dotx}+[k]{x}=f(t)`…

Aim: The Aim of this Challenge is to be familiar with different Unit Conversion methods, as LS-DYNA doesn't have  default System of Units.  Calculation for SI Units to gm/mm/ms: Force: By Emprical Newtons laws of motion, the Force is defined as F = mass * acceleration, The SI Unit of Mass is Kg. Acceleration is the rate…

Aim:  The Aim of this Project is to Perform the Meshing of Automobile Suspension assembly. The Casted Components has to be solid meshed, and Components having Uniform thickness of less than 5mm has to be Surface Meshed. Procedure:  The Following steps are followed inorder to complete this project, 1. Geometrical Checkup…

Aim: The Aim of this Challenge is to Model the IP_console using Shell Elements. This Geometry has Constant thickness Features & Features with different thickness. Procedure: The steps followed in Creating the FE-Model for IP Console is given below, Topology or Geometry Clean up Extraction of Mid Surface Assigning Thickness…

MODEL-1 Aim: The Aim of this Challenge is to practise the Morphing Techniques using the CAD Model Provided. Procedure: The Morphing is a technique use to modify the shape of Design with out any numerical inputs. The Morphing technique can be applicable to both FE and CAD models. When we select the Morphing option from…

1. Aim: The Aim of this Challenge is to give the Proper Connections for NVH Domain for the Rear Door. 2. PROCEDURE: Since the Mesh is already Created, the Proper Connections has to be given in the Rear Door. The Connections are Realized in all Possible Locations. 3. HINGE ASSEMBLY: The Hinge assembly allows for the Rotation…

AIM The Aim of this Challenge is to create the Solid Mesh for the Mirror Part, satisfying both the Quality requirements for surface mesh and Volume mesh. PROCEDURE The Following Steps are followed while completing this challenge: 1. Geometry Clean up  2. Defeaturing 3. Surface Mesh Creation 4. Volume Creation 5. Volume…

Time Taken to Complete the Model = 6.5 Hours.

Time Taken for Switch Panel Model = 7 Hours Time Taken for Second Model = 6 Hours.

AIM: Aim of this Challenge is to extract the Mid surface of the Plastic component and model the Mid surface using 2-D Shell Elements. The Mesh Quality Criteria is Provided for shell modelling and it is also mentioned to keep the Off elements which are impossible to remove. PROCEDURE  The Following Steps are Carried…

Hello,   I am Submitting my Week-3 Challenge.