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Modelling of Cam-Follower Mechanism In Hyper-Works Using 3-D Contact and Curve-To-Curve Joint

Introduction: A cam is a rotating machine element which gives reciprocating or oscillating motion to another element known as follower. The cam and follower have a point or line contact constituting a higher pair. The contact between them is maintained by an external force which is generally provided by a spring or sometimes…

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    Read more Projects by Mohammad Anas Imam Khan (29)

    Surface Cleanup Wind-Tunnel Setup and CFD Simulation of a Formula-SAE Car Running Over Two Different Tracks

    Objective:

    The objective of this project is to perform surface cleanup, boundary flagging, virtual wind tunnel setup, pre-processing, CFD simulation and post-processing of a Formula - SAE Car below, the .STL of which was provided. The project has been divided into two phases: Surface Cleanup, Boundary Flagging and Virtual Wind Tunnel…

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    15 Jul 2019 07:05 AM IST

    • CFD
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    Study of Aerodynamic Flow Processes Around The Ahmed Body and Validation Against Experimental Data For a 35 Base Slant

    Objective:

    Objective:  The shape of a car body in-front of the largest cross-section has only minor influence on the total drag. The main contributions to the drag force originate from the rear part of the body. A drag breakdown reveals that 85% of body drag is pressure drag, most of which occurs at the rear end. The rest 15%…

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    05 Jul 2019 09:50 AM IST

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    Channel Flow Simulation Using Converge CFD

    Objective:

    A channel flow simulation was done using Converge CFD Software for three different mesh sizes: 2e-4m, 1.5e-4m and 1.2e-4m respectively. The steps involved in setting up the case are mentioned below. Case Setup 1) A geometry for the channel is created 2) The necessary boundary conditions are defined. 3)The necessary steps…

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    25 Jun 2019 05:06 AM IST

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    Altair- Simple Car Model with Varied Elevated Roads

    Objective:

    The objective of this challenge is to design a simple car model in Altair Hyperworks that will have a steering wheel, suspension springs, damper, body and wheels. This car will be used to run on a road that will be modelled with the vehicle using 3-D contacts. Each of the parts will be modelled as a separate subsystem.…

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    24 Jun 2019 04:10 PM IST

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      ADAMS- Kingpin Geometry Optimization To Achieve Steering Related Parameters

      Objective:

      Objective: Perform Kingpin Geometry Optimization on a Double Wishbone Suspension below to achieve the following targets: oCaster angle : ~4.00 deg oCaster moment arm : ~21.00 mm oKPI angle : ~13.00 deg oSteer axis offset (resultant) : ~85.00 mm oSteer axis longitudinal offset : ~0.00 mm oScrub radius : ~20.00 mm  …

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      15 Jun 2019 04:25 PM IST

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        ADAMS - Project - Hardpoint Tuning to Achieve Pitch Gradient Targets Using Suspension Anti Characteristics

        Objective:

        Project Deliverables • Perform hardpoint tuning to achieve the target acceleration and braking pitch gradients for Double Wishbone Suspension at the front and Multilink Suspension at the rear. • Adams Plot showing effect of tuning (overlay curves). • Completed Excel Sheet.     This is the link…

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        03 Jun 2019 12:49 PM IST

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          Emission Characterization on a CAT-3410 Engine With OpenW and Omega Piston Profiles

          Objective:

          Objective: • To run closed cycle simulation of a CAT3410 Engine with two different piston profiles: OpenW and Omega. • To characterize the emissions (Soot, Nox and UHC) and compare IMEP and Power values.   Introduction: With the rising competition in engine industry and emission restrictions due to the environmental…

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          29 May 2019 03:44 PM IST

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            Spark-Ignited Port Fuel Injected Engine Simulation

            Objective:

            The objective of this project is to continue setting up the SI8-Port Fuel Injected Engine to simulate spray and combustion processes inside it. Useful parameters like work, power, compression ratio, torque and combustion efficiency are extracted from the simulation results.   No-Hydrodynamic Case Setup: Before setting…

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            20 May 2019 07:06 AM IST

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              Analysis and Simulation of the Motion Characteristics of Internal Geneva Mechanism in MotionView

              Objective:

              Objective: • Simulate motion characteristics of an Internal Geneva Mechanism using constraints in MOTIONVIEW with an initial angular velocity of the driver is 10 rad/s. • Post-process the results and obtain Torque and Angular Velocity on the driver and driven joints.   GENEVA MECHANISM: A Geneva Mechanism…

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              12 May 2019 06:35 AM IST

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                Longitudinal and Lateral Brush Tyre Modelling Using Octave

                Objective:

                Brush Tire Model: The elastic band model or the brush tire model helps explain the relationship between longitudinal force (Fx) and longitudinal slip (Slip Ratio) using fore-aft deflection of the brushes. This is later extended to explain the relationship between lateral force (Fy) and slip angles by considering the lateral…

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                05 May 2019 02:47 PM IST

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                  Static Ride Analysis on a Flexible Lower Control Arm of a SLA Suspension to Compute Stress Strain and Displacement

                  Objective:

                  Objective: Determine the Maximum and Minimum Stress and Strain Values in the Flexible Lower Control Arm. Run a Static Ride Analysis. Run a sensitivity study on the following parameters to conclude which parameter/  combinations of the parameter have a maximum effect on the stress/strain of the lower control arm. Parameters…

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                  15 Apr 2019 06:41 AM IST

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                  Modelling of Cam-Follower Mechanism In Hyper-Works Using 3-D Contact and Curve-To-Curve Joint

                  Objective:

                  Introduction: A cam is a rotating machine element which gives reciprocating or oscillating motion to another element known as follower. The cam and follower have a point or line contact constituting a higher pair. The contact between them is maintained by an external force which is generally provided by a spring or sometimes…

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                  18 Mar 2019 03:52 PM IST

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                    Model Building and Analysis of the Slider Crank Mechanism Using Hyper-Works

                    Objective:

                    The four-bar mechanism has some special configurations created by making one or more links infinite in length. The slider-crank (or crank and slider) mechanism is a four-bar linkage with the slider replacing an infinitely long output link. This configuration translates a rotational motion into a translational one. Most…

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                    21 Feb 2019 04:25 PM IST

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                      Surface Preparation and No-Hydro Simulation of a SI-8 Port Fuel Injected Engine

                      Objective:

                      Before setting up the Spark-Ignited Port-Fuel Injected Engine, the geometry needed to be cleaned for all the errors. The project is divided into three stages: Stage I: Boundary Flagging Stage II: Surface Cleanup Stage III: No-Hydrodynamic Case Setup   Stage I: Boundary Flagging: On running the diagnostics on the IC…

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                      16 Feb 2019 07:04 PM IST

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                        Automobile Trunk Lid Mechanism With Modified BISTOP Function and Motion Curve

                        Objective:

                        Introduction: A mechanism consisting of only lower pairs is known as a linkage. A closed kinematic chain with one link fixed is called a mechanism. A four bar mechanism where one link is fixed to the ground body and the other three links which are the coupler, follower and input link are used to simulate the motion of…

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                        11 Feb 2019 09:20 AM IST

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                          Simulation of the motion of a compound pendulum

                          Objective:

                          The objective of this challenge is to simulate the motion of a compound pendulum, plot the trace of point P2 with respect to the ground and also plot the X and Y component of reaction forces on point P0 vs time.   Introduction: A simple pendulum is one which has a mass suspended from a string that is considered…

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                          07 Feb 2019 07:29 PM IST

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                            Road Quallity Assessment from Power Spectral Density Data using ISO Road Classification

                            Objective:

                            Road Roughness & Power Spectral Density- Road roughness can be described by the elevation profile. One of the most useful representations of road profiles is the Power Spectral Density which is essentially a plot of singal power (amplitude squared) vs spatial frequency. Using the fast fourier transform and multiplying…

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                            03 Feb 2019 03:19 PM IST

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                              Study of Transient Handling Response of a Vehice Using Bicycle Model in OCTAVE

                              Objective:

                              Introduction: The cornering behaviour of a motor vehicle is an important phenomena which is equated with handling. \'Handling\' is a loose term meant to imply the responsiveness of a vehicle to driver input or the ease of control. It is essentially a measure of a vehicle-driver combination meaning that the driver observes…

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                              09 Jan 2019 03:25 PM IST

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                                Combined Slip Tire Models (Brush Tire and Pacejka Tire)

                                Objective:

                                Brush Tire Model: The elastic band model or the brush tire model helps explain the relationship between longitudinal force (Fx) and longitudinal slip (Slip Ratio) using fore-aft deflection of the brushes. This is later extended to explain the relationship between lateral force (Fy) and slip angles by considering the lateral…

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                                02 Jan 2019 07:46 AM IST

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                                  Air Standard Diesel Cycle- Piston Kinematics

                                  Objective:

                                  Diesel Cycle is an air standard cycle where heat is added at constant pressure whereas heat is rejected at constant volume.The following is a program done in Octave to plot the diesel cycle by first calculating the different state points and then using the piston kinematics equation to obtain the final plot.   The…

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                                  31 Dec 2018 06:40 AM IST

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                                    Steady state simulation of flow over a throttle body

                                    Objective:

                                    A Throttle Body consists of a butterfly valve that opens and closes to let air inside an IC Engine. Some cars use a a single large throttle body to let in air while some have a dedicated throttle body for each cylinder. The following exercise involves simulating steady-state flow through a throttle body using Converge…

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                                    31 Dec 2018 06:39 AM IST

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                                      Conjugate Heat Transfer Simulation

                                      Objective:

                                      Conjugate Heat Transfer is the combination of heat transfer in solids and heat transfer in fluids. In solids, heat transfer takes place through conduction whereas in fluids it takes place through convection. To simulate conjugate heat transfer using Converge Studio, the geometry of the pipe was constructed and aluminium…

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                                      27 Dec 2018 07:25 AM IST

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                                        Anti-Roll Bar Selection, Tire Stiffness Analysis and Under-Steer Budget Sheet in Compliance with Vehicle Level Targets

                                        Objective:

                                        Introduction: Selection of springs and anti-roll bars are done based on vehicle level targets. This project involves selection of anti roll bar for a light weight sporty vehicle that would provide the requisite auxiliary roll stiffness for a given stiffness value of the springs. The calculations need to be done while staying…

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                                        22 Dec 2018 10:49 AM IST

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                                          Spring and Anti-Roll Bar Selection for a 4WD Sedan in Compliance with Vehicle Level Targets

                                          Objective:

                                          Introduction: Selection of springs and roll-bars are done based on the vehicle level targets that need to be achieved. This project involves selection of springs and anti-roll bars for a 4WD sedan with Mc Pherson strut suspension in the front and a multi-link setup in the rear. The calculations need to be done while staying…

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                                          17 Dec 2018 05:29 PM IST

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                                            Flow Over NACA 2412 Airfoil Using Converge CFD

                                            Objective:

                                            Airfoil: An airfoil is the term used to describe the cross-sectional shape of an object that, when moved through a fluid such as air, creates an aerodynamic force. Airfoils are employed on aircraft as wings to produce lift or as propeller blades to produce thrust. Both these forces are produce perpendicular to the air…

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                                            06 Dec 2018 08:47 PM IST

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                                            Flow over a Backward Facing Step using Converge CFD

                                            Objective:

                                            Flow over a Backward-Facing Step has a very important application in that whenever there is a new turbulence model available, the test is carried out by simulating  flow over a backward-facing step simply because there is a lot of experimental data available for this. Using Converge CFD Software we run the simulation…

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                                            06 Dec 2018 07:55 PM IST

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                                            Prandtl Meyer Shock Problem

                                            Objective:

                                            Shock Flow Boundary Conditions: For solving the steady state flow appropriate boundary conditions are needed. It is one of the required components of the mathematical model. On the other hand, for solving transient flow, appropriate initial condition is also required. Boundary conditions are generally three types. They…

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                                            01 Dec 2018 06:00 AM IST

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                                              Shock Tube Simulation Using Converge CFD

                                              Objective:

                                              Shock Tube is an experimental apparatus that is widely used to study chemical kinetics. Shock Tube consists of two regions, one that is at a high-pressure and the other at low-pressure both separated by a diaphragm. The high-pressure zone is known as the driver section and the low-pressure zone is known as the driven section.…

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                                              06 Nov 2018 02:51 PM IST

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                                              Transient simulation of flow over a throttle body using Converge CFD

                                              Objective:

                                              A Throttle Body consists of a butterfly valve that opens and closes to let air inside an IC Engine. Some cars use a a single large throttle body to let in air while some have a dedicated throttle body for each cylinder. The following exercise involves simulating transient flow through a throttle body using Converge Studio.…

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                                              18 Oct 2018 11:49 AM IST

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