Week 3 - Solving second order ODEs

enter(_) exit() a=1 ok  

Learning Objectives  enter() exit() Understand and implement an image classification model using MobileNet architecture Description Recording of image classification network coding will be provided. The concepts covered are as follows Network Architecture  Data processing steps  Training procedure …

Learning Objectives  Understand and gain hands on experience of the working of a dimensionality reduction method – Principal Component Analysis  Description Coding of steps involved in finding the principal components of a dataset will be shown. The following concepts will be covered Normalization Covariance…

Learning Objectives  Understand and gain hands on experience in measuring depth of an object using stereo images Description The concepts covered in the coding tutorial are listed below  enter() if x is greater than y, execute x Exit()​ Generating Homography matrix for two array of points – This can be…

 Use the diagram of the true stress-strain curve of graphite iron casting. Two curves are there for different material structures. Students need to pick any one of them and use the data to create either a MAT_024 or MAT_018 material model and then validate it.    Use a data digitizer to create the data points…

to for() enter exit{}  Use mass scaling to reduce the runtime of a model and ensure the stability of mass scaling. The hard limit on mass scaling is 8% and stability should be completely intact. This means that two simulations, one with mass scaling and one without should behave exactly the same way. The submission…

Design and Draft a layout of a residential building with the following details: a. Plot Size: 60’x20’(18.3m x6m)  b. Orientation- Facing East    c. Develop the following: 1. Architectural Drawing (Floor Plan, Elevations, and Sections) 2. Structural Drawing (Column, Bean, Footing Plan) for: For(…

for: text() exit   Use a proper solver (Implicit/Explicit) and also explain the reason.    Hints: LS-DYNA the output of stress and strains from Post FringeComp Stress/Strain is given as true stress and strains. Stretch ratio l is defined as the ratio between the final length L and the initial length L0 of…

L For loop(in) Enter Exit Close[] earning Objectives  Understand the processes involved in lane detection using Hough Transformation for line Description Lane detection along with the steps involved in it will be explained in the coding tutorial Concepts covered are listed below  Edge detection Region of Interest…

1. Create the Plan and Sections as shown in the Figures. Use proper dimension techniques and dimension styles to document the project. Assume the sizes of the doors and windows as per construction standards. Refer to sections for stair details if required.

for<gtr> Question: In this assignment, we provide you with a file having just nodes and elements of two parts, a simplified cellphone and a plate mimicking ground. You need to create a complete simulation file from this to perform a drop test. *INITIAL_VELOCITY card is to be used to give velocity specifications for…

earning Objectives Understand and gain hands on experience on the working of Canny edge detector   Description Complete coding implementation of Canny edge detector will be done in the recorded coding tutorial. The methods/functions covered are Gaussian filtering  Sobel edge filter for edge detection Non…

Consider the structure as cladded by steel sheeting and Grade A material is used according to IS 2062 Consider Live, Dead, Wind, and Seismic loading. Even though the height does not exceed 10m, the analysis and manual calculations of wind load need to be done For load calculation kindly refer to IS Codes  The structure…

Learning Objectives  Gaining hands on experience in applying noise removal, edge detection and other filtering techniques.  Description for<it> stop:   Following content will be covered in the coding tutorial  Salt and Pepper noise generation Gaussian smoothing  Mean filtering  Median…

Objectives:   Give a brief description of why and where a CHT analysis is used. Maintain the y+ value according to the turbulence model and justify the results.  Calculate the wall/surface heat transfer coefficient on the internal solid surface & show the velocity & temperature contours in appropriate…

[Hint:- Maintaining the y+ in the appropriate range will give correct value for drag coefficient] [Hint:- Maintaining the y+ in the appropriate range will give correct value for drag coefficient] Reference Research papers: Flow and Turbulence Structures in the Wake of a Simplified Car Model Experiments and numerical simulations…

The spotwelds should be modeled using beam elements and solid elements separately. While using solid elements, one spotweld should have one solid element.  The axial and shear force should be compared among beam and solid elements. The same material card using *MAT_SPOTWELD should be used for both beam and solid elements.…

AutoCAD is a commercial computer-aided design and drafting software application. Developed and marketed by Autodesk, AutoCAD was first released in December 1982 as a desktop app running on

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 0.5 mm. Compare…

As demonstrated in the PDF, F(u) = u3+9u2+4u use this equation and solve using both Explicit and Implicit Methods ( have a tolerence of 10-2. Deliverables : 1. Write a detailed report about Implicit and explicit methods. 2. Do the calculations in a spreadsheet, try to plot the graph and compare them (optional).…

For this challenge, we have created two versions of the mixing tee. One of them is longer than the other. Your 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…

Use the "INSERT CODE SAMPLE" option to paste your code. SUBMISSION RULES Use the "INSERT CODE SAMPLE" option to paste your code and attach screenshots of the output. 10 points will be reduced for not doing so. Just showing the code and not explaing the results. 20 points will be reduced if this happens. If your program…

Use ADVISOR tool and simulate the following    1.   For EV_defaults_in file, if cargo mass is 500 kg with all other default conditions, can the vehicle travel for 45 km with FTP drive cycle? Conclude your observations.   2.   In the above case, try changing the battery capacity and repeat…

Sketch a G+1 floor residential plan, according to Vaastu Shastra, and list down the names of the structural drawings required to be provided to the site for construction. Also, assume the sizes of the structural elements (Column, Beam, Slab, etc.,) and accordingly calculate the individual corresponding loads from the members…

Mold design - CPU fan case - Part 2   For this week’s assignment, you have to continue working on the CPU fan case mold blocks you created in the week 8 assignment. You will have to create 2 sliders for the 2 undercuts present in the model. Also, create inserts in the model wherever required.   Submit a…

Coding assignment: • Create the seller page as shown in the mockup• Create the return order page as shown in the mockup• Create the “my profile” page with the side navigation bar as shown in the mockup with an edit button.  Click here to download the mockup files for the assignment

Required Details: 1. All dimensions are in Feet and Inches 2. Assume the size of doors and windows as per the standards 3. Assume the thickness of the outer wall as 9" and the inner wall as 4.5"  4. Select the components from the library  

Calculate the Concrete Mix Design for M35 grade concrete with fly ash & M50 grade concrete without Fly ash   We have designed a way to make sure that you can get your questions answered in an effective manner. You can get help from two sources - moderators and peers. To make it exciting, for each and every answer…

Challenges – Week 5   Create a column schedule as shown in the figure.  Note: Create a column schedule with the help of lines. Also, insert text with the help of Dtext command or Single Line text. Hint: Use font name: romans.shx; Height: 8”, Justify: Left Create a window schedule as shown in the figures:…

Download the model from the given link:  https://www.mathworks.com/matlabcentral/fileexchange/70576-baja-all-terrain-vehicle-atv-model Prepare a technical report explaining the model properties & comments on the results.   Grading Policy :   Upload the supporting results as images or by any other means…

Try to understand the concept of genetic algorithm by referring to varius sources before you attend this challenge. Look out for information regarding stalagmite function and ways to optimise it. Write a code in MATLAB to optimise the stalagmite function and find the global maxima of the function. Clearly expalin…

Understand the concept of Rankine cycle by referring to standard thermal engineering text book. Create a Rankine Cycle Simulator using OCTAVE/MATLAB. Your code should calculate the state points of the Rankine Cycle (any type of your choice) based on user inputs.  Then, plot the corresponding T-s and h-s plots for…

This is just a sample answer and please choose to ignore it.   1 2 3 excel EV Battery         Result: Done

n Engineering, ODE is used to describe the transient behavior of a system. A simple example is a pendulum The way the pendulum moves depends on the Newtons second law. When this law is written down, we get a second order Ordinary Differential Equation that describes the position of the "ball" w.r.t time.  Similarly,…

Based on the concepts you have learnt during the forward kinematics routine, go ahead and write code that can solve an otto cycle and make plots for it. Here are the requirements 1. Your code should create a PV diagram 2. You should output the thermal efficiency of the engine. Once you have done this, create a project…

mplement control logic of a “washing machine” using Stateflow as per given sequence:  If the power supply is available, the system gets activated  If the Water supply is not available, stop the process & indicate through LED Soaking time should be 200s followed by Washing time of 100s. Then rinsing…

or the given component, check for the geometrical errors and mesh with the given element Quality criteria. Use tetra elements to model the component and there should not and kinks and dips on the surface of the component. Write a detailed report on your meshing process. S.No  Quality Criteria  Value  1 Target/Average…

Need Resources on using Zoom during the COVID-19 pandemic? We're here to help. Find content for effectively working from home, educating over Zoom, hosting virtual events, and telehealth enablement.

Within Computer Aided Engineering (CAE) workflow there are three phases; Pre-processing, Solving, and Post-Processing. This course focuses on the pre-processing phase. If you are someone who aspires to work in the CAE domain this course is for you. As a fresher completing this course opens up opportunities for you to be…

NASA  came up with polynomials that can be used to evaluate thermodynamic properties such as Cp, H and S. They have also documented the co-efficients that are required to evaluate these polynomials for 1000+ species. To guide you we have broken down the problem into meaningful bits that you can work on individually.…

In Engineering, ODE is used to describe the transient behavior of a system. A simple example is a pendulum The way the pendulum moves depends on the Newtons second law. When this law is written down, we get a second order Ordinary Differential Equation that describes the position of the "ball" w.r.t time.  Similarly,…

Follow the Quality Criteria and mesh the following component and assign thickness: Target Element Length = 4mm S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2mm 6 Max. Length 6mm 7 Min angle Quad 45 8 Max angle Quad 135 9 Min angle…

Engine Geometric Parameters Bore =0.086 m Stroke = 0.09 m Connecting rod length = 0.18 m RPM = 3000 Run parameters Simulation mode: No Hydro Simulation time parameters Start time : -520 deg end time : 120 deg Boundary conditions Piston temperature - 450K Liner temperature - 450K Head temperature - 450K Spark Plug temperature…

Apply reynold's decomposition to the NS equations and come up with the expression for reynold's stress. Explain your understanding of the terms reynold's stress What is turbulent viscosity? How is it different from molecular viscosity? You can do this using pen and paper but while uploading it on the challenge page write…

Project 1: Creation of Mold for a table fan outer casing (Week 7)   For this week, along with the weekly assignment you will also be assigned a project. In this project, you will be given a model that is not covered in the course videos. Based on the content covered up till now, you will have to create a proper mold…

1. Shock flow boundary conditions Do a literature search on what BC's are typically used for shock flow problems 2. What is a shock wave? In your own words, describe the physics behind shock waves 3. Effect of SGS parameter on shock location In the Prandtl Meyer shock problem, look at the effect of SGS temperature value…

Setup a transient shock tube simulation Plot the pressure and temperature history in the entire domain - Explain the result Plot the cell count as a function of time - Explain the result It is expected to show the mesh generation using PARAVIEW. Also create an animation and upload it on You tube and provide the You tube…

Independent Research Project   In order to qualify for a merit certificate, you will have to work on an independent project. This cannot be a Simulation/Program/Design that was demonstrated by the instructors. There are 3 phases to this project.   Phase 1 - Provide the project title and objectives (Maximum of…

1. Tutorial- single cyl DI add case 2 with discretization length 0.1 mm for intake runner and compare with default case 1 Parameters-Torque, BSFC, max cylinder pressure simulation time 2. Explore tutorial no 2 (GEM3D) - “Building intake manifold from STL model” (80 marks)   Grading Policy: Type…

Use the source code as shown in the video, but alter it to satisfy the following conditions Write a code that takes all the reactions from the GRI mechanism and calculates 10 most sensitive reactions The sensitivity parameter should be with respect to the Temperature (It should find the sensitivity with respect to the…

PART I Use the same reactor network code as shown in the video to simulate the Auto Ignition Time for Methane under the following conditions, (simulation time = 10 secs) Plot the variation of Auto Ignition time of Methane with a constant temperature of 1250K and pressure varying…

Explore tutorial number 9 and write a detailed report (50 marks) Build FRM Model for following configuration using FRM builder approach (50 marks) Bore 102 mm stroke 115 mm CR 17 No of cylinder 6 CI engine Twin Scroll Turbine GT Controller Run all cases   Grading Policy: Type your report and upload supporting images…

A furnace is used to burn Methane and Air Mixture. A recuperator is connected to this furnace to recover some energy.  What is the effect of preheating on the adiabatic flame temperature? Change pre-heating from 298 to 600K Explain your results Does preheating help with fuel saving? If yes, how does combustion efficiency…

List down different TC and locate examples from GT Power Explore tutorial number 6 and 7 Plot operating points on compressor and turbine maps In which application Variable Geometry Turbine is beneficial? Explore example- Diesel VGT EGR and understand the modeling part Grading Policy: Type your report and upload supporting…

Effect of equivalence ratio on AFT Assume that methane is contained in a constant volume chamber. Write a program in Python to plot the effect of equivalence ratio on the final adiabatic flame temperature. Compare the results with Cantera. Assume that N2 is present Upload your results as a picture and provide a link to…

Now that you have a brief idea about GT Power. This challenge will help you explore the tool.    1. Explore the GUI of GT SUITE and list down modules available with brief description. (15 marks) 2. Locate following settings: Time control flag (5 Marks) Time step and solution control (5 Marks) 3. Explore intercooler…

Baseline configuration Setup a flow simulation through a pipe Inlet Reynolds number should be 7,000 HINT : Use the below formula to calculate velocity for corresponding value of REYNOLD NUMBER and give DIRICHLET BC for velocity at inlet and specify the value for velocity calculated at INLET BC using below formula…

Explore Tutorial No 1- CI final 1.Compare SI vs CI and list down differences (assignment no 2-SI) 2.Comments on following parameters BSFC Exhaust Temperature A/F ratios 3.Change MFB 50 and observe impact on performance   Grading Policy: Type your report and upload supporting images and no google drive links will be…

Setup and run transient state simulation for flow over a throttle body. Post process the results and show pressure and velocity contours. Show the mesh (i.e surface with edges) Show the plots for pressure, velocity, mass flow rate and total cell count. Also show the calculations on how you calculated an end time for the…

Set up and run the steady state simulation for flow over throttle body. Post-process the results and show pressure and velocity contours. Show the mesh (i.e surface with edges) Show the plots for pressure, velocity, mass flow rate and total cell count. Create an animation in which it throttle movement should be visible.…

Create connector and Attach the various parts of the given model  1. Right_Rail_2 & Front_truss_1:- Seam-Quad(angled+capped+L) 2. Left_Rail_2 & Front_truss_1:- Quad elements 3. Front_truss_2, Front_truss_1 & Right_Rail_1:- Spot weld with 3 Layers and 5…

3D Meshing: Elements sizes: Min- 2mm, Target- 5mm,Max- 7mm  Tet collapse: 0.15 1. Create Teramesh for Housing Housing_Model   2. For the given Model, Model-2, Model-4,  Create 3D mesh with 6mm   Note: Attach the hypermesh model files (.hm) with the challenge

Hey Guys, For this week's challenge,  Follow the below-mentioned quality criteria, mesh the component given below and assign thickness: Target Element Length = 5mm S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2mm 6 Max. Length…

Creat 1D elements on the following component with given cross-section and DOF a. Rod element:- with only translational DOF and RBE2 link Cross-Section: BOX- Dimension a= 12 mm                               dimension b=10 mm      …