Week 4

Skill-lync assignment 3 Aim: The objective of this assignment is to create a Python code that simulate the movement of a simple pendulum and present it as an animation. The pendulum movement is to be coded as the solution of an ordinary differential equation. Problem statement: A simple pendulum is one of the simplest…

Skill-lync Python project 3 Aim: The objective of this assignment is to generate a Python code that can read & process data from the given input file and present the results in the desired manner. The code is to generate plots for a selected data set and compute other parameters using this data set. Problem statement:…

Ans. 1) popt is the array that stores all the values of the polynomial coefficients computed from the input data. pcov is the resultant covariance matrix that indicates how these coefficients change together. Ans. 2) np.array(temperature) arranges the values of temperature in an equally spaced manner in an array. Ans.…

Skill-lync project 1 Aim: The objective of this assignment is to create a Python code that can model the air standard cycle used in automobiles. The code is to compute the values of pressure & volume throughout the cycle and plot these values in a pressure vs. volume plot. The code is to also compute the energy output…

CAD modelling & assembly of predator yatch using Solidworks Aim: The objective of this project is to use Solidworks 3D CAD to create detailed 3D models of the various components of a predator yatch and use these models to create a full assembly of said yatch. The assembly model is then to have its images rendered with…

Photorealistic rendering of fully assembled American chopper Objective: The aim of this project is to create detailed renditions of a fully assembled American chopper model using Solidworks’ Photoview 360 add-in. Introduction: Solidworks is the industry standard CAD modelling software that is used for creating detailed…

Skill-lync Project 2 Aim: The objective of this assignment is to create a representative 2D mid-surface for the given component and generate a 2D shell mesh on this mid-surface that meets the specified element quality criteria. Case setup: The given component is a rear wheel holder of a car trunk, as shown below. Figure…

Skill-lync project 1 Aim: The objective of this project is to generate a representative mid-surface for the component provided and create a 2D shell mesh for the same that meets the specified element quality criteria. Case setup: The component provided is a 3D CAD model of the interior plastic trim of a car’s front…

Skill-lync assignment (week 9) Aim: The objective of this assignment is to generate an FE mesh for the given component as per the specified quality criteria and to connect the various parts of the meshed components together with the specified types of connector elements. Case setup: The given component is the mid-surface…

Skill-lync assignment (week 8) Aim: The objective of this assignment is to generate 3D FE meshes for the given components using the specified methods that meet the specified quality criteria. Case setup: Three components are provided for meshing purposes. The first component is a hub and cover assembly, as illustrated…

Skill-lync assignment (week 6) Aim: The objective of this assignment is to create representative mid-surfaces for the given components and to create 2D shell meshes for them as per the given criteria. Case setup: The component is a complete model of a car bonnet, as illustrated below. Figure 1: Complete hood model It is…

Skill-lync assignment (week 4) Aim: The objective of this assignment is to mesh the given component with a target element length of 5 units after creating a representative mid-surface for it. This is to be followed by addition of masses and 1D elements of specified DOF & cross-sections that join the two parts of the…

Skill-lync project 2 Aim: The objective of this project is to set up an accurate model of a bird strike that simulates the impact of a bird on the blades of an aircraft jet engine. The simulation should be free of bugs and should show blade failure within a reasonable amount of time. Case setup: The first keyword file…

Skill-lync assignment 11 Aim: The objective of this assignment is to demonstrate the various types of joints that can be used in FEA. Spherical, revolute, cylindrical and translational joints are to be modelled for rigid as well as deformable bodies. Case setup: The following types of joints are to be set up with movement…

Skill-lync assignment 10 Aim: The objective of this assignment is to calculate the Mooney Rivlin and Ogden material constants from the given stress- strain data, use them in simulations of a dog-bone specimen and compare the results. Case setup: The data provided is a set of engineering stress (MPa) & strain values…

Skill-lync assignment 9 Aim: The objective of this assignment is to obtain material behaviour data for the given material and use this data to simulate tensile test on the given component, so that the specified material behaviour can be replicated and hence verified. Case setup: The stress vs. strain plot for cast iron…

Skill-lync assignment 8 Aim: The objective of this assignment is to operate on the given component and minimise its run time via mass scaling, without compromising on stability. The model is to be worked on in three iterations. The first iteration is to be simulated in its original state. The second iteration is to be…

Skill-lync project report Aim: The objective of this project is to simulate a typical crash scenario involving a pedestrian head and a car hood with the components provided and calculate the head injury coefficient (HIC). The scenario is to be modelled in three separate iterations. In the first iteration, the crash is…

Skill-lync assignment 6 Aim: The objective of this assignment is to create an FE model with the material card provided and simulate tensile behavior in said model using a suitable explicit/implicit solver. The model is to be solved in multiple iterations with different element formulations and the results are to be compared.…

Skill-lync assignment 5 Aim: The objective of this assignment is to model spot welds for the given component, first as beam elements, and in a second iteration, as solid elements. The two iterations are then to be subjected to a crash simulation and the resultant stresses and strains are to be compared in order to establish…

Skill-lync assignment 4 Aim: The objective of this assignment is to pre-process the given input file, simulate a crash test and compile results of the same. Case setup: The given input file is a mesh of a simple rectangular crash tube and is shown below. The component is to worked on while using the kg, mm, ms units. Figure…

Skill-lync assignment 3 Aim: The objective of this assignment is to create a complete simulation file for the given component. The final keyword file must include all the relevant material properties, element properties and boundary conditions. Case setup: The given keyword file is a mesh of a mobile phone and the ground.…

Aim: The objective of this assignment is to demonstrate the use of explicit and implicit numerical methods in solving the given function. Explanation: The numerical method of solving a non-linear equation involves solving it in a sequence of time steps. In the explicit method, used for dynamic scenarios, the value…

Aim: The objective of this assignment is to convert the given measurements to the specified series of unit systems through a variety of conversion factors. Conversions: The unit system used in the given measurements is the metric system. Some of the unit systems that the measurements need to be converted to are imperial.…

Skill-lync assignment 7 Aim: The objective of this assignment is to simulate the side crash of the given component and generate time history plots for forces, intrusions and velocities in various sections. The energies are to be analyzed and discrepancies in the same be used to notice differences. Case setup: The given…

Skill lync assignment 6 Aim: The objective is to check the given component for consistent unit system, geometric errors, rigid bodies, penetrations and other relevant parameters. The component is then to have mass added to reach a level comparable to that of the full scale model provided, while maintaining the location…

Skill-lync assignment 5 Aim: The objective of this assignment is to experiment with the various contact and boundary condition settings for the given components after ensuring their meshing & qualities, and observe the resultant change in the computed energies and forces. Case setup: The first component is a car bumper…

Skill-lync assignment 4 Objective: The aim of this assignment is to demonstrate the role of material properties and the governing equations used to represent their physical behavior in the accurate simulation of a mechanical loading problem. Case setup: The first set of starter and engine files (Named FAILURE_JOHNSON-000X)…

Skill lync assignment 3 Objective: The objective of this assignment is to run a simulation for the given starter and engine files after editing the engine file. The simulation is then to be checked for hourglass energy error and other such errors, and then re-run after modifying the element properties. Theory: Hourglass…

Skill-lync assignment 2 Aim: The first objective of this challenge is to calculate the properties of speed of sound and time for sound to travel component from the given engine file and then to edit it so that it can generate time scale and animation as specified. The final objective is to generate a 3D FE mesh for the…

Skill-lync hyper works assignment 1 Objective: The objective of this challenge is to import the given geometries into the hyper works workspace, check them for errors like free edges and fix any that arise, create a representative mid-surface for the geometries and repair any errors that arise, remove any unnecessary geometric…

Skill-lync project 2 Aim: The objective of this project is to generate an appropriate FE mesh for the given component that meets the specified quality criteria. Representative mid-surfaces are to be created for their respective sections and meshed. The final objective is to create appropriate connections between the various…

Skill-lync Project 1 Aim: The objective of this assignment is to generate a representative mid-surface for the given component and generate an FE mesh that meets the specified quality criteria. Procedure: The mesh is generated through the following sequence of steps: - The geometry is imported into the ANSA workspace in…

Skill-lync assignment (week 8) Aim: The objective of this assignment is to practice various morphing techniques on the given component. Procedure: The summary of steps here is less of a sequence of actions and more of a collection of various procedures performed. The geometry is imported into the ANSA workspace. The geometry…

Aim: The objective of this assignment is to generate proper FE representations of connections in the given model such as bolts, welds, torsion bars, springs etc.. These entities are to be represented as constrained nodes, extended mesh etc.. Procedure: The procedure for creating the connections is catalogued below. The…

Time taken: 4 hrs 40 min 17.25 sec

Skill-lync assignment (week 5) Aim: The objective of this assignment is to generate a 3 dimensional FE mesh for the given component that meets the quality criteria for geometry and element length. Procedure: The given component is meshed through a sequence of steps that are listed below:- The CAD geometry of the component…

Time for component 1: 7 hrs 25 min 34.73 sec Time for component 2: 8 hrs 44 min 22.19 sec

Skill-lync ANSA preprocessing assignment (week 4) Aim: The aim of this assignment is to ensure the correct geometry of the given model, build a representative mid surface for the model, and build an appropriate FE mesh. Procedure: The following is the catalogue of procedures from importing the geometry to creating the…