Week-7 Head Impact

AIM :      To demonstrate spherical, revolute, cylindrical, and translational joints between two rigid bodies and two deformable bodies.    TOOLS REQUIRED : LS-PrePost LS-Run   PROCEDURE :         Mechanical joint is a mechanism which is used to connect one or…

AIM :        To model a Hyperelastic material using *MAT_HYPERELASTIC_RUBBER (077_H) and *MAT_OGDEN_RUBBER (077_O) material models from the given Eng. Stress-Strain data and verify the models by conducting a tensile test simulation on the Dog-Bone specimen.   TOOLS REQUIRED : LS-PrePost LS-Run MS-Excel   INTRODUCTION :…

AIM :        To model an elasto-plastic material using MAT_024 or MAT_018 material model from the given True Stress-Strain data and verify it by conducting a tensile test simulation on the Dog-Bone specimen.   TOOLS REQUIRED : LS-PrePost LS-Run MS-Excel   INTRODUCTION :    …

AIM :         To use mass scaling to reduce the runtime of the analysis and ensure the stability of mass scaling.   TOOLS REQUIRED : LS-PrePost LS-Run   PROCEDURE : The given model is opened in LS-PrePost using File -> Open -> LS-DYNA Keyword File option.   The deck for the simulation is already completely prepared in…

AIM :         To perform Head Impact simulation on the car hood and calculate the HIC (Head Injury Criteria) value. In this study, a simple head impact on the rigid wall is studied at first. Then the impact of given Headform model with a rigid wall is studied further followed by Headform impact on the hood model. Deliverables…

AIM :          To model spotwelds using Beam and Solid elements to connect the two parts of the crash box and compare the two and simulate a crash test for the crash box model. The following outputs are to be requested from the simulation: Animation of the final simulation Cross-sectional force generated in the middle…

AIM :         To mesh the Suspension subsystem assembly model with tetramesh elements according to the below-mentioned 2D and 3D quality criteria.   Quality Criteria for Surface Meshing of Tyre and Rim (Element type: Tria) :  S.No  Quality Criteria  Value  1 Target/Average…

AIM :          To mesh the Automotive Instrument Panel Console using ANSA according to the below-mentioned quality criteria and assign the thickness to the whole model. The quality criterion to be followed: S.No  Quality Criteria  Value  1 Target/Average length   4 2 Minimum…

AIM :                 To implement connections for a Rear Door FE model.   TOOLS REQUIRED : ANSA   THEORY : There are mainly 5 types of connection   Weld  Adhesives  Bolt Area contact Replace part 1D Element           …

AIM :           To solve the below Force-Displacement non-linear response of a material using both explicit and implicit methods and to compare the results to find out which method gives better approximate results. The Force-Displacement relation is given below :          …

AIM :              To mesh the Rear wheel holder of a vehicle according to the given quality criteria and assign thickness to the mesh. Target Element Length = 5 Units S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper     …

AIM :          To mesh the front door inner panel of Hyundai i10 according to the given quality criteria and assign thickness to the mesh. Target Element Length = 4 Units S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2 Units 6 Max. Length 6 Units 7 Min angle Quad…

AIM :             To mesh the given Component with a Mesh size of 5mm and create connector and attach the various parts of the given model with the following types of connectors.  1. Right_Rail_2 & Front_truss_1:- Seam-Quad(angled+capped+L) 2. Left_Rail_2 & Front_truss_1:- Quad…

AIM :         To conduct the vehicle Frontal Crashworthiness test on the given BIW model of Dodge Neon as per Federal Motor Vehicle Safety Standards (FMVSS) 208 using RADIOSS and analyse the results using HyperView and HyperGraph 2D.   OBJECTIVES : Check unit system and either follow[Mg mm…

AIM :           To perform Side Pole Impact test on the given Dodge Neon BIW model as per FMVSS 214 Standards and to evaluate the side impact crashworthiness of the vehicle using RADIOSS solver in HyperWorks.   OBJECTIVES : Check unit system and either follow [Mg mm s] or [Kg mm ms]. Create…

AIM :          To write a code in MATLAB to parse the NASA thermodynamic data file and then calculate thermodynamic properties of various gas species.   TOOLS REQUIRED :          MATLAB   THEORY : File Parsing          Parsing in…

AIM :          To optimize the given stalagmite function (in this case, to find the global maxima of the function) using Genetic Algorithm.   TOOLS REQUIRED :           MATLAB   THEORY : Stalagmite           A stalagmite is a type…

AIM: Write code to fit a linear and cubic polynomial for the Cp data and plot it. Explain the parameters used to measure the fitness characteristics for both the curves. TOOLS REQUIRED :          MATLAB   THEORY :                      …

AIM :            To simulate the transient behaviour of a simple pendulum and to create an animation of it's motion.   TOOLS REQUIRED :             MATLAB   THEORY : Simple Pendulum             A simple pendulum…

AIM :          i) To code a program to plot the P-V diagram of Otto Cycle.                                                             ii) To…

AIM :         To simulate the forward kinematics of a 2-R Robotic Arm. TOOLS REQUIRED :          MATLAB THEORY : Robotic Arm         A Robotic Arm is a substitute for human hand, which is used in production lines to perform complex operations. It is controlled…