##Comments by Grader## Nice Work Kiran. Keep Doing like this._______________________________________________________________________________________________________________   Aim: To clean the geometry and perform 2d meshing on the given car hood model according to the required Element Quality criteria. Procedure: …

Objective: To create connectors and Attach the various parts of the given model  Right_Rail_2 & Front_truss_1:- Seam-Quad (angled+capped+L) Left_Rail_2 & Front_truss_1:- Quad elements Front_truss_2, Front_truss_1 & Right_Rail_1:- Spot weld with 3 Layers and 5 mm Diameter…

Objective: Write a python script for reading the data from the given engine_data.out file. The script should satisfy the following conditions: The script should take column numbers as the input and plot the respective columns as separate images. Each file should be saved by the name of the column. The plot labels should…

Aim: To model an intake manifold using unstructured solid mesh in ANSA V19.1.2 to qualify the required quality parameters. Quality parameter: S.No  Quality Criteria  Value  1 Target/Average length   5 2 Minimum Length  3 3 Maximum Length  7 4 Tetcolapse  0.2 Procedure:  Open…

Challenge #: Week 8 Objective: To practice different morphing techniques and discuss the various use cases of Morphing in various industries. Procedure/methodology:  Open the given model in ANSA v19.1.2 by using the open option under the files menu. Perform topo and geometry check to find out the existing geometric…

Objective: To write a python code to simulate a diesel cycle and plot the corresponding p-v diagram for the cycle. Theory: The diesel cycle is a combustion process of a reciprocating internal combustion engine. In it, fuel is ignited due to the heat generated during the compression of air in the combustion chamber, into…

Objective: To write a python code to calculate the minimum cushion pressure needed to break a given thickness of ice using an Air Cushion Vehicle by using the Newton Raphson Method for finding the root. To calculate the optimum value of the relaxation factor assuming the thickness of ice to be 0.6 feet.   Theory:…

Objective: To model the given Back door geometry of a car using 2d Elements in HyperMesh.  Quality criteria:  S.N Quality Criteria  Value  1 Target Element Length  5 2 Aspect Ratio  3 3 Skewness 45 4 Warping 30 5 Taper      0.5 6 Min. Length 3mm 7 Max. Length 7mm 8 Min angle…

Project name: Modelling Dash Board Sub Parts Objective: To model the given CAD model of Dashboard sub-parts for CAE analysis Quality criteria:  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 Skewness…

Objective: To model the given Hood geometry using 2d mesh, following the given Quality criteria.  Quality criteria:  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 8mm 7 Min angle Quad 45 8 Max angle…

Objective: To write a program to solve an otto cycle and make p-v plot for it to output thermal efficiency of the engine  Program: \'\'\' otto cycle simulator program \'\'\' import math import matplotlib.pyplot as plt def engine_kinematics(bore,stroke,con_rod,cr,start_theta,end_theta): a = stroke / 2 R = con_rod /…

Objective: To create 1-d elements on the given 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  …

Objective:  To model the given back door geometry of a hatchback car using 2d mesh, meeting the required quality criteria. Quality criteria:  S.N Quality Criteria  Value  1 Aspect Ratio  5 2 Skewness 45 3 Warping 15 4 Taper      0.5 5 Min. Length 4mm 6 Max. Length 7mm 7 Min angle…

Aim: To remove geometric errors and perform volume mesh using tetra elements with the given quality criteria. Procedure:  Open the rear-view mirror model in ANSA v19.1.2 using either file >> open or by using the shortcut, ctrl+o.          Do topo operation on the whole geometry to join…

AIM: To perform geometry clean up and shell mesh the given model of a bottle cap with given quality criteria. Required quality:  S.No  Quality Criteria  Value  1 Target/Average length   1 2 Minimum Length  0.5 3 Maximum Length  3 4 Aspect  5 5 Warpage 15 6 Skewness 45 7 Jacobian …

Objective: To write a code to fit a linear and cubic polynomial for the Cp data Program: #import the necessary moddules or libraries. import matplotlib.pyplot as plt import numpy as np from scipy.optimize import curve_fit #define the function to read the notepad data file def read_file(): temperature = [] cp = [] for line…

Objective:  To write a program to simulate the transient behavior of a simple pendulum.(Simulate the motion between 0-20 sec, for angular displacement=0,angular velocity=3 rad/sec at time t=0) To create an animation of its motion. Theory:  A pendulum is a weight suspended from a pivot so that it can swing…

Program #1: Plot velocity v/s drag force for a cyclist  '''Program for calculating and plotting the drag force experienced by a cyclist when riding at different speeds. Here, the Drag force is calculated as '0.5*density*frontal_area*velocity^2*drag_coefficient' ''' import math # import required modules. import matplotlib.pyplot…

Challenge #: Week 6 Objective: For the given FE model of a rear door, perform all the required connections using the options under the NASTRAN deck. Procedure/methodology:  Open the given rear door FE model in ANSA V19.1.2 using the open option under the files  menu. Evaluate the different regions of the…

Project name: Modeling Rear suspension assembly Objective: To model the given rear suspension CAD model and assemble using connections Quality criteria:  Quality Criteria for Tria Elements (Tyre and Rim): S.No  Quality Criteria  Value  1 Target/Average length   7.5 2 Minimum Length  5…

Objective: To write a program to simulate the forward kinematics of a 2R Robotic Arm  To create an animation file of the plot Program: '''Program for 2R Robotic arm simulator. there are two links of length, l1 and l2 respectively. theta_1 and theta_2 are the angles made by these links with the horizontal at different…

Objective:  To mesh the components of Cross Car Beam to qualify the given quality criteria Assemble the CCB by using appropriate connections Quality criteria:  S.No  Quality Criteria  Value  1 Target/Average length   5 2 Minimum Length  3 3 Maximum Length  7 4 Aspect  3…

Objective: To write a program to simulate the forward kinematics of a 3R Robotic Arm  To create an animation file of the plot Program: import math import matplotlib.pyplot as plt l1 = 3 l2 = 2 l3 = 1 x0 = 0 y0 = 0 theta_start = 0 theta_end = math.pi/2 n_theta = 7 theta_1 = [] for i in range(0,n_theta): tmp_theta =…

Objective:  To model the given geometry of a Side door using 2-d shell elements as per the required quality criteria in Hypermesh. To assign correct thickness to different parts of the geometry. Quality Criteria:  S.N Quality Criteria  Value  1 Target length 4 mm 2 Aspect Ratio  5 3 Skewness 45…

Objective: To model the given floor panel geometry using 2-d shell mesh in Hypermesh. Quality criteria:  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 8mm 7 Min angle Quad 45 8 Max angle Quad 135 9 Min angle…

Objective: To model the given geometry of a plastic cup holder using 2d shell elements in Hypermesh. Quality criteria:  S.N Quality Criteria  Value  1 Target Element Length  5 2 Aspect Ratio  3 3 Skewness 45 4 Warping 30 5 Taper      0.5 6 Min. Length 3mm 7 Max. Length 7mm 8…

Objective: To model the given geometry of a plastic container using 2d shell elements in Hypermesh. Quality criteria:  S.N Quality Criteria  Value  1 Target Element Length  5 2 Aspect Ratio  3 3 Skewness 45 4 Warping 30 5 Taper      0.5 6 Min. Length 3mm 7 Max. Length 7mm 8…

Objective: To model the given geometry using 2d shell elements in Hypermesh. Quality criteria:  S.N Quality Criteria  Value  1 Target Element Length  5 2 Min. Length 3.5mm 3 Max. Length 7mm Procedure:  Part 1: Import the given geometry in Hypermesh.           …

Objective:  To simulate the event of a rail crashing on to a rigid wall using both the default and the recommended shell element properties and to compare the two results.   Procedure: CASE 1: Simulation with default shell element properties                   …

Objective: To import the given models in Hypermesh and simulate the event of a rigid sphere hitting against a flat plate for the following cases:  Case 1: Simulate with both the Failure plastic strain(Eps_P_max) and fail_johnson failure card enabled. Case 2: Simulate with failure plastic strain(Eps_P_max) and…

OBJECTIVE: To simulate the event of a crash tube crashing onto a rigid wall using the given Radioss starter input file and compare the results for the following cases: Case 1: Run the analysis as it is, without making any changes in the given Radioss starter input file. Case 2: Run the analysis after changing the value…

OBJECTIVE: To study the effect of the Inacti flag 6 using the example of a crash tube simulation with some initial penetrations in Radioss.  PROCEDURE:  Import the given solver deck in Hypercrash. The model consists of 4 components and a rigid body connected to one end of the crash tube. Fig 1. The imported model…

============================================================================================= The instructions for this assignment were as follows: Check the unit system and either follow[Mg mm s] or [Kg mm ms]. Create an appropriate interface, friction 0.2, and recommended parameters. Make sure of no penetrations and…

============================================================================================= The instructions for this assignment were as follows: Check the unit system and either follow [Mg mm s] or [Kg mm ms]. Create an appropriate interface, friction 0.2, and recommended parameters. Make sure of no penetration and…

OBJECTIVE: To set up and run a Quasi-static Roof crush resistance analysis on a reduced model of a Neon car as per FMVSS 216, to plot the force vs. displacement curve and to check that the FMVSS 216 target load of ( 3 * GVW) has been met. PROCEDURE:  Solver-deck set-up Import the reduced model of Neon into Hypercrash.…

OBJECTIVE: To convert the given measurement values to different unit systems. (Note: Show the conversion calculation for the "g mm ms" unit system and arrange the rest of the values in the form of a table.) Measurements: MASS =1kg, LENGTH =1m, TIME =1s, FORCE =1N, STRESS =1Pa, ENERGY =1Nm, DENSITY =1Kg/m3, YOUNG'S…

OBJECTIVE: To solve the given problem using both explicit and implicit methods and compare using the Force v/s Displacement plots. PROBLEM: Consider the case of a simple bar in tension as shown in the Figure. Suppose that the force in the bar is a nonlinear function of the displacement, `F(u) =(u)^3 + 9(u)^2…

OBJECTIVE: To build the input deck for a drop test simulation from scratch. Note: The orientation of the cellphone is also important and there are specific guidelines on how to orient the products but for this assignment, we will ignore that. The objective of this assignment is not to get a correct simulation but to get…

OBJECTIVE: To simulate a crash test for the given FE model of a crash box using LS-Dyna. Request for the given deliverables and compare the results for a 1.2 mm thick and 1.5 mm thick crash box.   Deliverables ==>   - Input .k file and output files (d3plot, glstat, sleout, rcforc) - Animation of the final…

OBJECTIVE:  To model a set of spot welds for the given assembly of parts by using both 1d beam elements and 3d Hexa elements.  To simulate a crash test for the given assembly and compare the results in both the cases. Deliverables ==>   - Input .k file and output files (d3plot, glstat, sleout, rcforc)…

OBJECTIVE: To Create a block of 10mmx10mmx10mm dimension with 10 elements for each direction and use the material card attached (Ogden_Material.k) Use appropriate boundary conditions to simulate tensile behavior for the model and finally compare the results from your simulation to the plot above up to stretch ratio…