Safety point of view vehicle roof plays very crucial role specially roll over kind of accidents, in which vehicle tips over onto its side of roof. And vehicle rollover crashes are the causes of many fatalities and several head, neck and spine trauma around the world. Therefore, passenger safety is also very important parameter…

In intial phase, the curve was such that the trunk lid would go totally inside of the car trunk which was not feseable. In order to overcome this situation, we can modify either the BISTOP function or the motion curve which is associted to the curve for motion of four bar mechanism. Thus, by targeting the motion curve…

Here the initial simulation is performed with the given values of  mass- 1 Kg Interia- 1 `(kg)/m^2` The result obtained at the end of simulation time period of 2 sec was distance of 19620 m in negative y direction. Simillarly, when the mass and intertia properties of the same body are changed the result obtained were…

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 and air b) compress it c) cause it to react, thus effectively adding heat through converting chemical energy into thermal energy  d) expand…

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 by the…

WHAT IS TYPE 7 CONTACT RADIOSS? Interface type 7 is a general interface and can simulate all types of impacts between a set of nodes and a master surface. Contrary to interface types 3 and 5, interface type 7 is non-oriented and slave nodes can belong to the master surface. Therefore, interface type 7 can simulate auto-impact,…

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 by the…

MotionView is a general pre-processor for Multi-body Dynamics. It is unique in that one can utilize the MotionView modeling language to build models that will simulate both within Altair’s solver suite as well as with third-party solvers. MotionView’s native modeling language is called MDL (Model Definition…

MotionSolve is a system level, multi-body solver that is based on the principles of mechanics.  Given a multi-body system description, MotionSolve XML format, MotionSolve automatically formulates the equations of motion and numerically solves them.  The results can then be plotted and animated to visualize the…

  Introduction A crash simulation is a virtual recreation of a destructive crash test of a car or a highway guard rail system using a computer simulation in order to examine the level of safety of the car and its occupants. Crash simulations are used by automakers during computer-aided engineering (CAE) analysis for…

A robotic arm is a type of mechanical arm, usually programmable, with similar functions to a human arm; the arm may be the sum total of the mechanism or may be part of a more complex robot. The links of such a manipulator are connected by joints allowing either rotational motion (such as in an articulated root) or translational…

Metal corrosion is currently explained by the formation of local electrochemical electrode pairs on the metal surface. The electrode pair is called an anode-cathode pair. Positive metal ions are dissolved from the anode to the solution, and produce negative electrons in the metal lattice, which migrate in the metal to…

QUESTION 1- Given mechanism with co ordinates of point along with the two revolute joints and an unknown joint in the Simple crank mechanism. In order to find the unknown joint in the mechanism, we have to study the redundancy of degrees of freedom of the overall mechanism. If there are 0 degrees of the freedom then there…

The Geneva drive or Maltese Cross is a gear mechanism that translates a continous rotation into an intermittant rotary motion. The roating drive has a pin that drives in to the slot of driven wheel advancing it by one step at a time. The driver wheel also has a circular blocking disc in position between steps. Generally…

In intial phase, the curve was such that the trunk lid would go totally inside of the car trunk which was not feseable. In order to overcome this situation, we can modify either the BISTOP function or the motion curve which is associted to the curve for motion of four bar mechanism. Thus, by targeting the motion curve…

MotionView is a general pre-processor for Multi-body Dynamics. It is unique in that one can utilize the MotionView modeling language to build models that will simulate both within Altair’s solver suite as well as with third-party solvers. MotionView’s native modeling language is called MDL (Model Definition…

Aim: To write code in MATLAB to optimize the given stalagmite function and find the global maxima of the function using a Genetic Algorithm The genetic algorithm is a method for solving both constrained and unconstrained optimization problems that are based on natural selection, the process that drives biological evolution.…

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 by the…

Motion study is a catch-all term for simulating and analyzing the movement of mechanical assemblies and mechanisms. Traditionally, motion studies have been divided into two categories: kinematics and dynamics. Kinematics is the study of motion without regard to forces that cause it; dynamics is the study of motions that…

Tetra Meshing Techniques Tetra Meshing Techniques There are two methods of tetra meshing: 1) Automatic mesh: This approach is limited to simple geometries 1) Automatic mesh: This approach is limited to simple geometries just has to select the volume and the software automatically carries just has to select the volume and…

A four bar mechanism is a versatile mechanism and therefore can be used for different applications to carry out different motions. Here, in this project, the four bar mechanism is used for motion of car hood with respect to BIW of the car which are fenders in this model. The overall model and it's exploded view is shown…

Aim - To compare and analyze 7 cases of Rupture plate with different materials and its properties. Description -  The given 3 slides on which the case study is performed are -        MODEL The model is like a circular plate and a rigid sphere. The circular plate is made up of aluminium material…

Hood:- It's a covering part of the engine compartment which is also known as the bonnet. Its main function is to direct access to the engine, battery and other crucial parts of the cars for repair and maintenance and to protect these parts from direct sunlight and dust. Functions:- Acts as an engine unit protector, and…

Aim - To calculate drag force against the cyclist a. Plot Velocity vs Drag Force b. Plot Drag Co-efficient vs Drag Force The factors that are taken into consideration while calculations are - 1. Velocity 2. Drag coefficient 3. Frontal Area 4. Density of air Drag is the aerodynamic force that opposes an aircraft's motion…

The Geneva drive or Maltese Cross is a gear mechanism that translates a continous rotation into an intermittant rotary motion. The roating drive has a pin that drives in to the slot of driven wheel advancing it by one step at a time. The driver wheel also has a circular blocking disc in position between steps. Generally…

NASA came up with polynomials that can be used to evaluate thermodynamic properties such as Cp, H, and S. They have also documented the coefficient that is required to evaluate these polynomials for 1000+ species. Link to the File is given below --> https://drive.google.com/file/d/1AikCHDlz9s_fu8whE81qee_GD4AyYpCP/view…

Aim- To determine the Maximum and Minimum Stress and Strain values acting on the Flex body converted from Rigid body for Lower control arm on both left and right sides of the Front steering Wheel mechanism.  Points that are taken into consideration-  1. Analysis Type- Static Ride Analysis 2. Analysis model- SLA…

Second order differential equations are typically harder than first order. In most cases, students are only exposed to second order linear differential equations. A general form for a second-order linear differential equation is given by  `a(x)y\'\'(x) +b(x)y\'(x) +c(x)y(x) = f(x)` One can rewrite this equation using…

Aim - Check and create the properties for a neon side crash model. 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 penetration and intersections. Create rigid wall with friction 0.1 as per referance model.…

DESIGN OF FENDER Objective- The objective here is to design the Drip Area, Sillmount area, bumper mount region, and A-pillar mount Region. Thickness is given- 0.75 Solution- Models in IGES format and PART format is attached to the google drive, the link to which is attached below-   https://drive.google.com/open?id=1hslRImKvbyXbF_gkRjJERIosVKAj5kRg…

Back door is an important design component used in automotive vehicle. Since, it provides protection and covering for the back side of the vehicle. Design characteristics of the back door plays a very important role in terms of safety and luggage storage capacity of the vehicle. More thinner the back door design, more…

Property used in beam design is section modulus (S). Section modulus is the ratio of moment of inertia about neutral axis upon the farthest point of section from neutral axis. A beam that has a larger section modulus than another will be stronger and capable of supporting greater loads, The section modulus is denoted by…

Second-order differential equations are typically harder than first order. In most cases, students are only exposed to second-order linear differential equations. A general form for a second-order linear differential equation is given by  `a(x)y''(x) +b(x)y'(x) +c(x)y(x) = f(x)` One can rewrite this equation using…

Aim- To determine the Maximum and Minimum Stress and Strain values acting on the Flex body converted from Rigid body for Lower control arm on both left and right sides of the Front steering Wheel mechanism.  Points that are taken into consideration-  1. Analysis Type- Static Ride Analysis 2. Analysis model- SLA…

Aim - The task was to compare the simulation results of the base setup and improved shell element properties for Crash Tube Analysis. Description -  Initially, the simulation was conducted on crash tube with base setup i.e without any modification to element properties. Then, the recommended changes were applied to…

Objective: To simulate a roof crush test on a Dodge Neon BIW, as per FMVSS 216 standards, and determine the roof crush resistance of the model. Geometry Clean-up and Assembly: The meshed model of the BIW of Dodge Neon is used for quasi-static roof crush analysis. With the material and property cards assigned, the free…

Aim: Modeling, Simulating and Validating a Power Window System Using a Model-Based Design Approach   Introduction: In the power window system, Direct Current (DC) motor served as the source of power to drive the power window frame and accordingly power window can be raised and lowered. The mathematical model of a…