Project 1 - Parsing NASA thermodynamic data

Objective: 1)Design a plate with a hole model 2)Design a plate with 3 holes model 3)Determine the Max stress,Total deformation for both the above cases 4)compare the results and suggest which is suitable design based on Analysis stand point of view and Manufacturing stand point of view. The given dimension case:1  …

Aim: Write a program in Matlab that will simulate the pendulum motion Theory: The 2nd Order ODE represents many Engineering problems and arriving to solution of 2nd ODE gives a better insights to study the  engineering systems. For example: Motion of simple pendulam is represented as 2nd Order ODE.The solution of…

Aim: 1)Create a Rankine Cycle Simulator using MATLAB 2)plot H-S diagram,T-S diagram for Rankine cycle 3)Display the state points of rankine cycle 4)calculate:Thermal efficiency,Back work ratio,Net wrok output   Inputs: Turbine Inlet temperature = 400° C=t1 Turbine Inlet Pressure = 30 bars=p1 Turbine Outlet Pressure…

Aim: 1)Write a function that extracts the 14 co-efficients and calculates the enthalpy, entropy and specific heats for all the species in the data file. You will be reading this file NASA thermodynamic data. 2)Plot the Cp, Enthalpy and Entropy for the local temperature range (low temperature : high temperature) specific…

Aim: 1)Write a code in MATLAB to optimise the stalagmite function and find the global maxima of the function. 2)Clearly expalin the concept of genetic algorithm in your own words and also explain the syntax for ga in MATLAB in your report. 3)F maximum Vs no. of iterations.  2)Genetic Algorith explanation…

Aim: Write a program in Matlab to simulate the forward kinematics of a 2R Robotic Arm step wise explanation: 1)Input declaration l1=1; l2=0.5; t1=linspace(0,90,10); t2=linspace(0,90,10); ct=1 Linspace function returns a array consisting of 10 elements with values between 0 and 90 interms of angles in degrees.   2)The…

Aim: Calculate the area under the P-V diagram. P is in column 2 and V is in column 8. Calculate the power output of this engine. Assume that RPM is 150 This engine consumed 20 micro grams of fuel (per 1 stroke cycle). Calculate its specific fuel consumption.   Program code: import matplotlib.pyplot…

1)What does popt and pcov mean? popt- An array of  values for the parameters which minimizes the polynomials and gives out residual values Pcov -An array of Estimated covarience of popt perameters.   2. What does np.array(temperature) do? it gives out a array of numbers which we feed inside.  3.What does…

Aim: To write a program that solves the given  2 nd order ODE and plot the graphs of solution -motion The ODE represents the equation of motion of a simple pendulum with damping. Constants: L=1 metre, m=0.1kg b=0.05. g=9.81 m/s2. Initial values: at t=0        y=[0,3] program code: import numpy…

Aim: To create Otto cycle simulator and show it in P-V plot procedure: import math import matplotlib.pyplot as plt def engine_kinematics(bore,stroke,con_rod,cr,start_crank,end_crank): a=stroke/2 R=con_rod/a v_s=math.pi*(1/4)*pow(bore,2)*stroke v_c=v_s/(cr-1) sc=math.radians(start_crank) ec=math.radians(end_crank) num_values=50…

Aim: To Do 3D solid meshing of rear view mirror Procedure: 1)The given IGS CAD model is converted into Ansa compatiable file 2)Then the Ansa Model is opened up and checked for geometry errors through Tools>geometry option.       3)Then it is topoed through face>topo option then all the free edges are…

Aim To Do 3d Solid meshing of given component   procedure: 1)Geometry clean up and Topo error check     2)2D ortho tetra Shell meshing Min len:1 Target  length:3 max length:5   3)3D solid meshing tet collapse:0.2     4)cut section of 3D solid meshed part   File attached:Intake manifold…

Aim:  To check for the geometrical errors, extract the midsurface of the component, and mesh with the given element quality criteria, and to assign the appropriate thickness to the component.   S.No  Quality Criteria  Value  1 Target/Average length   4 2 Minimum Length  2 3 Maximum Length  6 4 Aspect  3 5 Warpage 15 6…

Aim:  To check for the geometrical errors, extract the midsurface of the component, and mesh with the given element quality criteria, and to assign the appropriate thickness to the component.   S.No  Quality Criteria  Value  1 Target/Average length   4 2 Minimum Length  2 3 Maximum Length  6 4 Aspect  3 5 Warpage 15 6…

Aim:  To check for the geometrical errors, extract the midsurface of the component, and mesh with the given element quality criteria, and to assign the appropriate thickness to the component.   S.No  Quality Criteria  Value  1 Target/Average length   4 2 Minimum Length  2 3 Maximum…

Aim: To do Volume Tetra meshing on the given rear suspension Assembly   Procedure: 1)Import the geometry of given CAD geometry which consists of Tire,Rim and other child parts. 2)Do the geometry clean up through check manager-geometry and ensure it is free from Topo errors 3)The Rim and Tire are meshed with Ortho…

Aim: To create connections for the front door by using different 1D elements. Procedures: 1)Geomentry Check was done and ensure that the CAD model is free from Geomentry errors. 2)PID Assignment After geometry and topo clean up the meshed models is assigned various PID as per necessary requirements by "Property manager…

Aim: To do 2d meshing of bottle cap Procedure: 1)import the given geometry which is given in IGS file format 2)Identify the base portions in the geometry 3)extract the midsurface of base portions 4)Group all the midsurfaces into one area which is saved as storelock file. 5)Threaded portions are captured through drawing…

Aim: Morph the given Geometry using various morphing techniques Model:1 Sheet metal component Model:2 Hand rest model-plastic component   Model:1 Procedure: 1)Import the given geometry 2) Morphing is a module in “CAE” or in “ANSA”, which enables the user to morph or change the shape of a model,…

Aim: To do 2D meshing Procedure: 1)import Given CAD model 2)gemetry topology was completed in TOPO mode 3)Midsurface is generated 4)meshing done in meshing mode as per quality criteria 5)Mesh correction done and mesh flow is maintened     File attached: Hood model11.stp

Assignment-2 1)Rail steel steel Material Speed of sound= sq root of (E/Rho) E of steel rail:210 Gpa=210 x 10^9  Pascal    Density of steel rail:7820 kg/m^3     Speed of sound:5182m/s           2) calculate the Time for shock wave or pressure wave to travel speed of…

Aim: 1)Create 2D mesh for  Bumper Assembly. 2)Run Simulation with 6 cases on changes into Interfaces and different Notching conditions and Boundry condition   1)2D Mesh -Bumper Assembly   Model HM file attached. Simulation Cases: Case1: Run The crash Tube Model As it is:   Contact Force:  …

Aim: Comparison of results with base simulation and improved shell element properties Before shell element property change CYCLE    TIME      TIME-STEP  ELEMENT          ERROR  I-ENERGY    K-ENERGY T  K-ENERGY…

AIM: Side Crash-BIW To Check for unit system of the given Model To Create the interface ,friction 0.2 To check for the penetrations and intersection exists in the given model To Correct rigid bodies if any issues. To Create rigid wall with friction 0.1 To check  and Shift the CoG of the model  to the  required…

AIM: Frontal Crash-BIW To Check for unit system of the given Model To Create the interface ,friction 0.2 To check for the penetrations and intersection exists in the given model To Correct rigid bodies if any issues. To Create rigid wall with friction 0.1 To check  and Shift the CoG of the model  to the …

Assignment-4 Aim: 1)Run simulation with FAILURE_JOHNSON_0000.rad file without any changes. 2) Import the file “Law2_epsmax_failure_0000.rad” and perform the simulation with failure plastic strain (EPS_p_max) and fail_Johson card enabled. Changes to be made in /FAIL/JOHNSON card: ifail_sh= 1 Dadv=…

  Aim: To do 2D shell meshing for given 3 parts.   Procedure:   1)open The CAD HM  model files 2)Geometry clean up carried out for the  entire HM model components using the Geo edit Tools available in Hypermesh Tools used: Surface edit Tools,Quick Edit Tools,Edge edit tools,Defeature tools 3)Then …

Aim: Do 2D meshing on given CAD model with following Quality criteria: Target Element Length = 4 Units S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 2 Units 6 Max. Length 6 Units 7 Min angle Quad 45 8 Max angle Quad 135 9 Min angle…

Aim: Meshing of Rear Wheel Holder challenge Procedure: 1)Import CAD geometry model and select optistruct as solver 2)Change the surface into topo model 3)Do geometry clean up and apply watersplits to the Holes 4)Do surface stitching/clear Red line edges/fill up open surfaces through Surface edit and  Quick edit panels…

Aim: To create Create 1D connector and Attach the various  meshed parts of the given model  Procedure: Right_Rail_2 & Front_truss_1:- Seam-Quad(angled+capped+L) Procedure:              Select the above mentioned Meshed components    …

Aim: To create The 3D tetra mesh on given geometry by following methods 1)2D-mesh to 3D-mesh conversion 2)Volume Tetra method 3)Quick Tetra Method   Procedure 1)Housing assembly(Model-1) Method used:2D to 3D mesh generation Steps: 1)Import geometry 2)Do Geometry cleaning 3) Unnecessary solids were deleted 4)Do 2D…

Objective:To create midsurface of given geomentry and do meshing  the all midsurfaces created.Procedure:1)Import the Geomentry file which is in .stp File format2) 4 components obtained as below from geomentry       a)Outer panel       b)inner panel    …

  Objective: Create 1D elements on the given components (parallel brackets) with given  various cross and DOF Procedure: 1) Import  the Geometry model given in IGES file format 2) Extract  Midsurface  from the given Geometry and save as Midsurface component(Geo>Misurface) 3) Create Material…