Week 6

AIM:  To do analysis on the two gears with three different materials and compare their results with the help of ANSYS structural analysis. Procedure: 1. Open ANSYS structural analysis and create three types of materials and assign properties to those materials. 2. Now import the geomentry of gears to the ansys and…

AIM: To perform structural analysis on steel plate and compare the stress results of steel plate with one hole and steel plate with two holes using the ANSYS Workbench. Procedure: 1. Open the Ansys and select the structural analysis tab and drag it to the work space. 2. Now open the space claim to model the geomentry and…

Aim:  To write a code for Simple Pendulum with help of ordinary differential equation in the format of python using Sublime. Theory: A pendulum is a body suspended from a fixed support so that it swings freely back and forth under the influence of gravity. When a pendulum is displaced sideways from its resting,…

Aim:  To write a code for Otto cycle and extract the p-v plot and efficiency of otto cycle using python script. Theory: Internal Combustio Engine OTTO cycle: The Otto cycle is a set of processes used by spark ignition internal combustion engines (2-stroke or 4-stroke cycles). These engines a) ingest a mixture of fuel…

Aim : To create a side pole crash analysis on Neon car model using hypermesh and radioss solver. Objectieve : 1. Import the neon car model to the hypermesh. 2. Create a circular rigidwall and type7 contact interface in the model. 3. Create intial velocity, intrusion cards and crossection cards using frame and skew. 4.…

Aim : To perform frontal crash analysis on BIW part of car using the hypermesh and solving with the radioss. Objective : 1. Import the mesh part of BIW car part to the hypermesh. 2. Create rigidwall for the crash analysis. 3. Create a intial velocity for the model. 4. Create section cards, accelometer on A-Pillar, B-pillar,…

Objective : To mesh the bumper model and to simulate and extract the results of crash tube test using hyper mesh, hyperview and hyper graph. Here six types of crash tube tests are performed by using different contact types and different positions of notches. Theory : In this assignment we learn two types of contacts 1.…

Objective : To create a simple drop test simulation using three different materials with the help of Radioss solver and Hyperview. I. Mat law 2 Johnson cook. II. Mat law 27 Plast_Brit. III. Mat law 36 Elastic - Plastic.   Explanation of Radioss materials : These three laws comes under Elasto - Plasticity isotropic…

Objective :  To solve the simple crash model using Radioss and extract the results of simulation using Hyperview and Hypergraph and also compare the result with element formulation Q24 and with out element formulation.   Procedure : Step 1 : Import the .rad file using import solver deck option. Here before importing…

Objective : To edit the engine file of radioss by using starter file of radioss. To mesh the given two parts I. Arm brackett II. Housing in 3d hexa mesh and Volume tetra mesh.   Procedure :  Step 1. To edit the engine file or extract the details from starter file open rad files in notepad++. In notepad++ rad…

Objective :  To perform geometric cleanup and extract the mid surface for given three parts and perform 2d mesh on mid surfaced parts. Procedure :  Step 1 : First import the model to Hypermesh using import option, here individual midsurfacing and 2d meshing is performed for each part. Step 2 : After importing the part…

Objective : When a bird is flying near to the airplane and if bird strikes the engine, this scenario has to perform in the ls dyna and see the results for that scenario and also to check whether there will be a failure on blades. I. To import the models of engine with bird II. To seperate the model and save them in different…

Objective : To create a four types of joints using constrained extra nodes and constrained nodal rigid keywords with the help of Ls-Dyna.   Procedure : 1. The four types of joints which we are going to create i. Translational ii. Rotational iii. Spherical iv. Revolute. These has to be created using ls dyna. Translational…

Objective : To calculate the Mooney Rivalan and Ogden constants using the material cards and aslo to compare the stress strain curves. 1. Importh the dogbone specimen and add all keycards. 2. Extract the data of stress and strain values from d3hsp files. 3. Calculate the Engineering stress and strain from the simulation…

Objective : To extract the data from the given stress-strain curve and model a material using the Ls-Dyna material cards and to perform the tensile analysis inorder to check the our material card is correct or not.   Procedure : Step 1: First we need to extract the data from the given stress-strain curve which is…

Objetive :  To reduce the simulation time of given analysis using the mass scaling method( 8%) and compare this with the both explicit and implicit analysis. Theory : What is mass scaling? Anytime you add nonphysical mass to increase the timestep in a dynamicanalysis, you affect the results (think of F=m*a).…

fObjecive: To Create a Head Impact simulation using the child head sample and the car hood model. 1. Create a sample crash test using the sphere. 2. Rotate the Child head model using the define card. 3. Create the head impact test using Child head model with the help of Rigidwall. 4. Include the hood model using the include…

Objective: To create a Tensile load simulation using the Ls – Dyna and to find the Engineering stress and strain and stretch ratio. 1.Create the Cube and add the given Ogden material property and Solid section to the cube. 2.Create the constraints and displacement for the cube. 3.Create the implicit control cards for the…

Objective : To create spotweld connections for the given model using the beam amd hexa element in the LS-Dyna. Procedure : Step 1: Import the given model to the ls-dyna which is in the keyword format and it is meshed. Step 2: Now we can see the two different thin plates which are together but doe not have connections.…

 Objective :  To create an impact analysis on a given model box with the help of a rigid wall and to see the stress, strain and energy values when box impact on the rigid wall.   Procedure :  Step 1: Import the Box model which is in .k format  to the Ls pre post and change the title which is in…

Objective : To create a mesh for a car suspension assembly model and also give connections for model using the ANSA software. I.  Import the model into the ANSA software. II. Check for geomentric errors and clear them. III. Create mid surface for required parts. IV.  Mesh the suspension assembly parts seperately…

Objective : To analysis the smart phone when it hits the ground and to check the stress and total energy of the smart phone using Ls - Dyna. Procedure : Step 1: Open the model which is in .k format into the ls dyna and we can see the model of drop test where smart phone is above the ground, to do analysis and to get stress…

Objective : To differentiate the explicit and implicit analysing using the given question and solving them to understand both analysis.                                      Given equation F(u) = u3+9u2+4u      …

 Objective : To convert the given units in different system of units which is given in the question. Given values : I. Mass(M) = 1kg II. Length(L) = 1m III. Time(t) = 3s IV. Force(F) = 1N V. Stress = 1Pa VI. Energy(E) = 1J VII. Density(p) = 1kg/m3 VIII. Youngs Modulus(Y) = 210GPa IX. Velocity(V) = 56.33kmph X. Acceleration…

Objective : To create a mesh for a car suspension assembly model and also give connections for model using the ANSA software. I.  Import the model into the ANSA software. II. Check for geomentric errors and clear them. III. Create mid surface for required parts. IV.  Mesh the suspension assembly parts seperately…

Objective : To create a midsurface for car dashboard and create mesh to the mid surfaced dashboard in the ANSA software. I. Import the model to Ansa software and check the geomentry. II. Create mid surface for the given object. III. Give pid for the ribs and parts of the dashboard model. IV. Mesh the given component with…

Objective : To create a midsurface for car dashboard and create mesh to the mid surfaced dashboard in the ANSA software. I. Import the model to Ansa software and check the geomentry. II. Create mid surface for the given object. III. Give pid for the ribs and parts of the dashboard model. IV. Mesh the given component with…

Objective :  To resize or morph the given object using the morphing method in ansa. Theory : What is a morphing? Morphing is a special effect in motion pictures and animations that changes (or morphs) one image or shape into another through a seamless transition. Traditionally such a depiction would be…

Objective :  To create proper connections for the given rear door model which will go for nvh simulation. Import the model which is in nas format to ansa. Give proper connection to the model.   Theory : What is NVH?  It stands for Noise, Vibration and Harshness, and is basically a measure of how much unpleasant…

Objective : To mesh the given model with tetra elements and check for the tetra collapse. Import the model to the ansa software. Check for the geomentrical errors. Clean the geomentry according to the criteria. Mesh the geomementry with teh 2d tetra elements. Define the geomentry as closed volume and mesh the model with…

Objective : To mesh the given model with the volume mesh and check for tetra collapse. Import the geomentry to the ansa software and checmfor geomentry errors. Add the criteria values and clean the geomentry according to criteria. Mesh the geomentry with tria elements and clean the failed elements. Define the geomentry…

Objective :  To generate midsurface and to create a mesh on the given models using the ANSA software. Import the given model to ANSA. Check the geomentry using checks. Extract the mid surface manually or auto. Mesh the extracted geomentry with given quality criteria.   Procedure :  MODEL 1 Step 1: Importing…

Aim :  To create mid surface and to mesh the given CAD Bottle cap geomentry with good quality criteria using the ANSA software. Import the geomentry to the Ansa software. Check the geomentry using the checks manager. Measure the geomentry and store them. Extract the mid surface manually. Give the thickness to extracted…

Aim : To 2D mesh the given car model Hood design in the ANSA pre processor software. Import cad model into the ANSA software. Extract the midsurface for the given model. Check the geomentry for the given model before mesh. Mesh the given model with the given criteria. Check and clear the failed or off elemnts in the meshed…

 Objective :   Import given model to hypermesh software. Check the model thoroughly for any solids or surfaces and for mid surfaces. Mesh the given model using automesh and go for quality. Add the connectors for the model as given below, 1. Right_Rail_2 & Front_truss_1:- Seam-Quad (angled+capped+L)  …

Objective :  To mesh the car side door model in hypermesh with good quality criteria and mesh flow. Import the the geomentry to the hypermesh. Extract the midsurface manually for the given model. Clean the geomentry manually for the model. Mesh the geomentry individually with good mesh flow. Check the criteria for…

Objective : To perform the batch mesh on the hood part using hypermesh software and radioss solver and also to add the nonlinear material properties to the given models. To Import the given cad files into the hypermesh software. T0 Create the parameter file and criteria file for batch meshing. To Mesh the given part using…

Objective : Import given model to hypermesh software. Check the model thoroughly for any solids or surfaces and for mid surfaces. Mesh the given model using automesh and go for quality. Add the connectors for the model as given below, 1. Right_Rail_2 & Front_truss_1:- Seam-Quad (angled+capped+L) 2. Left_Rail_2…

OBJECTIVE : Import the given models to the hypermesh software  Clean the geomentry for given models manually using quick edits, defature. Mesh the given models in 2d with tera elemnts. After 2d meshing go to 3d mesh and mesh the given models. Check the tetra collapse elements and fix the failed elements. PROCEDURE…

    Aim : To mesh the hood surface using hypermesh with optistruct solver and to check quality of mesh with help of given quality parameters.  Procedure :        Geometry importing : Import the geometry which is in step file format into the hypermesh software and select the optisruct…

Objective: To mesh the parallel bracket by using midsurfaces option and add the 1d elements like rod, beam, bar and spring to the parallel bracket and to create the cross sections with given dimensions.  Procedure: Import the parallel bracket part which is in iges format to hypermesh software and select the optistruct…