Week 6-Meshing of Hood Challenge

AIM :-  To create a deck setup for the Neon side crash -BIW and requst for TH (Time History) plots OBJECTIVES:- Check unit system and either follow[Mg mm s] or [Kg mm ms]. Create appropriate interface ,friction 0.2 and recommended parameters. Make sure of no penetrations and intersection,Correct rigid bodies if any issues.…

AIM:- To create a deck setup for the FRONTAL CRASH OF CAR BIW and requst for TH (Time History) plots OBJECTIVES:- Check unit system and either follow[Mg mm s] or [Kg mm ms]. Create appropriate interface ,friction 0.2 and recommended parameters. Make sure of no penetrations and intersection,Correct rigid bodies if any issues.…

Objective – Run the given Models in Radioss as per the required parameters and compare them using the plots and animations. Given model – impact of a rigid ball on sheet of metal, for all these cases the material laws are changed for the sheet.   Case 1 – Law 2 with EPS Max Failure and Failure…

OBJECTIVE: The main objective of this challange is to understand the concepts of interface contacts and its application. Also apply the same to the given model by making some changes as given below and study the effects. Create the mesh for bumper assembly,mesh size should be 6mm.  Run the crash tube model as it is. Change…

Assignment 3Crash Worthiness Analysis using HyperMesh and Radioss. PROPERTY MEANING OF EACH TERMS: Ishell 4 node shell element formulation flag. = 0 Use value in /DEF_SHELL. = 1 Default, if /DEF_SHELL is not defined Q4, visco-elastic hourglass modes orthogonal to deformation and rigid…

OBJECTIVE : To check the material properties of the rail component and calculate the speed of sound in steel rail. To calculate the time takes for a shock wave to travel from one end of the rail to the other given that the length of the rail is 1000 mm. To edit the engine file so that the stress wave can be monitored,…

OBJECTIVE : To perform the geometry cleanup operation on the given files. To extract the midsurface of the model. To clean the midsurface of the model. To create 2D mesh with target length 5mm having minimum length 3.5mm and maximum length 7mm. To assign proper thickness to the mesh by creating a generic property. CASE…

 Aim: To successfully extract a mid-surface and mesh the given model of a Side door.    Objectives: 1. To geometrically clean the given surface for any errors in it.                   2. To extract a proper mid surface for the component.                   3. To clean the midsurface so as to avoid any minimum length errors…

Aim: To  extract a mid surface and mesh the  given component.   Given model: Objectives:   1. To geometrically clean the model for any error on it.  2. To extract a mid-surface of the component.   3. To clean and defeature the Midsurface so as to avoid any minimum length errors…

Aim:- clean up geometry,create midsurface  and meshing on its  as per quality criteria. *methodology:- 1) import a model 2) create midsurface 3) clean up geometry 4) meshing as per quality criteria 5)reflection of symmentric components 6)check for free edges   *model name:- hood.stp   1) import a model:-…

AIM:- To Create 1D Connectors in the given component in Hypermesh. Connectors:- They are geometric entities (not FE) primarily used to create spot and seam welds but also used to create adhesives, bolts, and masses. They are simply a database of information defining specific requests for connections at specific locations.…

 AIM: To perform 3D tetra mesh on the given models. Objective: - To create a tetra mesh for the given component. - To do the solid mesh cleanup. - Perform the different solid mesh techniques to remove the errors. PROCEDURE:   Model 1(Housing):    Housing model: - As per the requirement…

AIM: To create 1D elements on the given component with given cross-section and DOF using Hypermesh SPECIFICATION: a. Rod element:- with only translational DOF and RBE2 link Cross-Section: BOX- Dimension a= 12 mm                              …

Aim:  To perform a combustion simulation on the combustor model and plot the variation of the mass fraction of the different species’ in the simulation using line probes at different locations of the combustor.   Objective: Part-I - To plot the variation of the mass fraction for CO2,…

Introduction: A gate valve controls the media's flow by lifting the gate (open) and lowering the gate (closed). A gate valve's distinct feature is the straight-through unobstructed passageway, which induces minimal pressure loss over the valve. The unobstructed bore of a gate valve also allows for a pig's passage in cleaning…

Aim:- To perform analysis on cyclone separator and calculate the separation efficiency and pressure drop.   Objective:- To write a few words about any four empirical models used to calculate the cyclone separator efficiency.  To perform an analysis on a given cyclone separator model by varying the particle…

Aim:Perform a steady-state conjugate heat transfer analysis on a model of a graphics card. Your Objectives: Run the simulation by varying the velocity from 1m/sec to 5m/sec for at least 3 velocities and discuss the results. Find out the maximum temperature and heat transfer coefficient attained by the processor. Prove…

Objectives: What are some practical CFD models that have been based on the mathematical analysis of Rayleigh Taylor waves? In your own words, explain how these mathematical models have been adapted for CFD calculations. Perform the Rayleigh Taylor instability simulation for 2 different mesh sizes with the base mesh being…

Q.Ahmed Body  using ANSYS Fluent.   Objective:   Run the simulation for the velocity of 25 m/sec with the default air properties in fluent. For this challenge, you will have to provide answers to the following questions: Q1. Describe Ahmed's body and its importance. Q2. Explain the reason for the negative…

Aim:simulate the flow over a cylinder and explain the phenomenon of Karman vortex street.    PART-I Simulate the flow with the steady and unsteady case and calculate the Strouhal Number for Re= 100.  PART-II Calculate the coefficient of drag and lift over a cylinder by setting the Reynolds number to…

Aim: We have created two versions of the mixing tee. One of them is longer than the other. Our job is to set up steady-state simulations to compare the mixing effectiveness when hot inlet temperature is 360C & the Cold inlet is at 190C.  Use the k-epsilon and k-omega SST model for the first case and based on your…

 Aim:   • To write a MATLAB/Octave code for symmetry boundary conditions of flow through pipe.   • To obtain results at 10,25 and 45 degree angles of pipe flow   . To compare results of wedge boundary conditions with symmetry boundary conditions.     Theory:   The inputs to…

 Simulation of flow through the pipe in open Foam:   The objective of the challenge is to perform a simulation of flow through the pipe using the Open Foam tool Here we have taken a wedge shaped body to perform the simulation. A proper code has to be written in the block-Dict file to get the desired shape. The…

 SIMULATION OF QUASI ONE DIMENSIONAL SUPERSONIC NOZZLE FLOW USING MACCORMACK METHOD: Problem specification: In this challenge you are going to simulate the isentropic flow through a quasi 1D subsonic-supersonic nozzle. You will derive both the conservation and non-conservation forms of the governing equations and…

What is Finite Volume Method(FVM)? Ans:The Finite volume method (FVM) is a widely used numerical technique. The fundamental conservation property of the FVM makes it the preferable method in comparison to the other methods, i.e., FEM, and finite difference method (FDM). Also, the FVM’s approach is comparable to the…

AIM:To simulate an incompressible-laminar-viscous flow through the backward facing step geometry.  We should perform a transient simulation. The solver can be chosen based on the described physics of the flow.  Here based on the decribed physics of the flow we have chosen icoFoam solver. After that, you will…

Aim:To Solve the 2D heat conduction equation by using the point iterative techniques. Inputs we have assumed here L=1 nx=20 ny=nx error criteria is 1e-4   The Boundary conditions for the problem are as follows; Top Boundary = 600 K Bottom Boundary = 900 K Left Boundary = 400 K Right Boundary = 800 K   Techniques…

Introduction: Numerical solutioncan only give ansswers at discrete points in the domain which are called as grid points.The finite difference methods is for replacing the partial derivates appearing in governing eqaution of fluid dynamics,with algebraic difference qouitents yeilding a system of governing equations which…

MECHANICAL DESIGN OF A 18 kWh powered battery using ANR26650M1-B .   Cell data: A123’s high-performance Nanophosphate lithium iron phosphate (LiFePO4) battery technology delivers high power and energy density combined with excellent safety performance and extensive life cycling in a lighter…

Simulate generic battery model charge discharge using UDDS data. ANS: A driving cycle is a set of values, generally, velocity vs time, which represents how a vehicle travels through a path. In simple words, it would be a velocity vs time graph of a vehicle.   Why do we need a driving…

Prepare a report summarizing thermal management techniques for electric car battery pack. ANS: Battery Thermal Management Systems (BTMS): The battery pack for safety, performance (both power and capacity) and lifespan reasons should be stored in a controlled surrounding where the temperature is controlled and there is…

How weakest cell limits the usable capacity of the battery pack? What is the solution? ANS: MULTI CELL BATTEYR PACK: The performance of electric vehicles (EVs) and plug-in hybrid electric vehicle (PHEVs) strongly relies on their battery storage system, which consists of multiple battery cells connected in series and parallel.…

1.What is coulomb counting? Ans:  Definition and Classification of SOC Estimation The SOC is one of the most important parameters for batteries, but its definition presents many different issues [5]. In general, the SOC of a battery is defined as the ratio of its current capacity () to the nominal capacity (). The…

Make a MATLAB model of fuel cell powered electric vehicle and comment on results. ANS:What is a fuel cell? A fuel cell is a device that converts chemical potential energy (energy stored in molecular bonds) into electrical energy. A PEM (Proton Exchange Membrane) cell uses hydrogen gas (H2) and oxygen gas (O2) as fuel.…

1.Prepare a table which includes materials & chemical reactions occurring at the anode and cathode of LCO, LMO, NCA, NMC, LFP and LTO type of lithium ion cells. ANS: Batteries are a collection of one or more cells whose chemical reactions create a flow of electrons in a circuit. All batteries are made up…

Create a detailed MATLAB model of an electric rickshaw (three wheel passenger vehicle). Ans:E-rickshaw development started in the global market sometime during World War period, but faded away with time. These were later introduced in China by local and Japanese motor vehicle industries further spreading in areas of Asia.In…

1.Create a MATLAB model of electric car which uses lithium ion battery and induction motor. Choose suitable blocks from Powertrain block set. Prepare a report about your model. Ans:An electric vehicle (EV) is one that operates on an electric motor, instead of an internal-combustion engine that generates power by burning…

1.What is the difference between mapped and dynamic model of engine, motor and generator? How can you change model type?  Ans:powertrain blockset provides two types of combustion engine models:mapped and dynamic. Mapped engine: 1.Mapped engines represent macro engine behaviour as a set of lookup tables(brake torque,fuel…

1. The above figure shows the simulink model of speed control of  a DC motor using BJT H-bridge.which consists of DC motor source.Bi-polar junction transistor (BJT),and diodes.the diodes are transistors are connected in the form of H contruction.the dc motor has a present model(5 HP 24V 1750 rpm).it can be changed…

1.Equivalent circuit model of the simlified induction motor. In the figure: R1 is the stator resistance. R2 is the rotor resistance with respect to the stator. L1 is the stator inductance. L2 is the rotor inductance with respect to the stator. Lm is magnetizing inductance. s is the rotor slip.…

1.A three-phase, four-pole induction motor is made of two main parts: a stator and a rotor. The stator is made of three parts: a stator core, conducting wire, and frame. The stator core is a group of steel rings that are insulated from one another and then laminated together.These rings include slots on their inside that…

AIM:To parse the NASA thermodynamic data and to calculate the molecular weight of the species and to plot the cp,enthalpy,entropy for the local temperature range for o2,n2,co2. Theory:           Definitons:           File parsing:parsing a file means to spilt a file…

https://projects.skill-lync.com/projects/file-parsing-14452

https://projects.skill-lync.com/projects/GLOBAL-MAXIMA-BY-GENETIC-ALGORITHM-91677

AIM:To evaluate the global maxima by genetic algorithm using matlab. THEORY:            Genetic algorithm:ga is the solver like ode 45 but ga optimizes the function             where as ode 45 solve ode.In matlab,ga is built only to minimize value of …

AIM:To fit a linear and cubic polynomial for the given cp data. THEORY:             curve fittng:curve fitting is the process of constructing a curve, or mathematical function             that has the best fit to a series of data points,possibly subject to…

https://projects.skill-lync.com/projects/second-order-ode-motion-of-simple-pendulum-51598

AIM:simulation of second order ode motion of a simple pendulum and to create its animation. THEORY:            SIMPLE PENDULUM:A pendulum is a weight suspended from a pivot so that it can swing freely.when a pendulum is displaced sideways from its resting,equilibrium position,it is subjected…

  AIM:plotting the otto cycle diagram using p-v diagram and to find thermal efficiency  of the engine. THEORY:             OTTO CYCLE:otto cycle is a cycle of engine operation which requires four strokes of the piston,for introduction,compression,ignition,and exhaust.the fuel and…

Aim: simulation of a forward kinematics of a 2r robot arm Theory:           robot arm:It is a type of mechanical arm, usually programmable ,with similar function to a human arm;the arm may be the sum total of the mechanism or may be part of a more complex robot.          Types…