Week- 5 - Solid meshing

OBJECTIVE:- This project will test you on the following abilities. Your expertise in the commands that have been taught to you Your ability to research for commands that will do what you intend to do Your skills in excel The final goal is to create an ergonomic and visually appealing excel (.xlsm) report that contains…

OBJECTIVE:- Build a master tcl/tk macro It should contain buttons that will call all utilities created as assignments during this course Segregate the buttons as per their utility. Color code the buttons as you see fit. Display labels that indicate an idea of your segregation The design must look ergonomic and clutter…

Objective: Connector : Create a macro that builds a GUI containing 4 buttons.  Component creator, weld, xloc, yloc, zloc. Upon pressing the buttons corresponding 1D element must be created and moved to the desired collector. Reading nodes from a file : Create a macro that asks a .csv file as input and reads nodes…

OBJECTIVE:- Create element quality check macro for 2D and 3D elements Create a button for each criteria On pressing the button the elements should be highlighted using temp nodes Entry boxes next to the buttons will accept the quality criteria value To Create TCL for checking element quality criteria 2d and 3d elements…

Objective:- Part A: Create a macro to calculate the midline of a given tubular component Select one end of the lines using line by path Similarly, select the other ends using line by path option Now calculate midline for each pair Combine all these midlines to create a single midline. Part B: Create a macro to create spot…

Objective:- Create a macro that will reflect the given multicomponent FE part with ease. It should be independent of the deck The only inputs allowed are, original CAD comp, reflected CAD comp and original FE comps. The name of the reflection component should also be taken as input from the user. Also, ask the user to…

OBJECTIVE:- Ask the user to enter the name of a component and its thickness Write a code that will automatically create components and assign thickness to it The code should decide on its own what type of collector should be created depending on the user profile/deck. According to the deck, the code should decide, whether…

OBJECTIVE:- PART A: Create a code that displayed free and T edges for displayed elements Free edge colour red and T edge cyan Except for edges, all other components must be made transparent Also, temp nodes must be automatically created for “free nodes” for a tolerance value of 0.01 PART B: Also, create a code…

1. Create buttons to delete displayed geometric entities (be careful about advanced remesh) Objective:- To create buttons to delete displayed geometric entities Problem statement:- set a .windowcatch {destroy $a}toplevel $a -class toplevelwm title $a "DeleteGeometry"wm geometry $a 240x100+100+200button $a.01 -text "Delete…

1. Write a code to display normal as explained in Lecture 5 Objective:- To write a code to display the normals  Problem statement:- *clearmarkall 1*setnormalsdisplaytype 1*createmark elements 1 "displayed"*normalsdisplay elements 1 TCL command explanation:- *clearmarkall 1 # It Clear all previously saved elements…

AIM:- To create revolute, cylindrical, and translational joints between two rigid bodies and two deformable bodies Using the Ls-Dyna Solver                                                    …

AIM:- Material modelling of  Hyperelastic rubber (MAT_077_H) and Ogden rubber (MAT_077_O) card from raw data and fit the experimental values to the raw data by the curve. OBJECTIVE:- 1. Extract the Engineering stress-strain curve from the given image. 2. Convert the data into mg-mm-ms units. 3. Plot the data as a…

AIM:- To simulate the non-linear transient bird strike where the bird enters to hit the turbine blade by using LS-Dyna. INTRODUCTION:- Bird strikes pose a significant threat to aircraft structures, as contact with a bird while in flight can cause significant structural damage.  For more than 30 years, computational approaches have been used to design birdproof structures, and they have proven to be a cost-effective alternative to costly physical certification testing with live birds. …

AIM:- To use the stress-strain curve of graphite iron casting extract the data from the given diagram by using the data digitizer and material modelling MAT_024(PIECEWISE_LINEAR_PLASTICITY) card using the LS-Dyna.   PROCEDURE:- 1. First import the stress and strain data from the stress-strain curve by using a data…

AIM:- To compare the run time using explicit and implicit mass scaling to reduce the run time of a model and ensure the stability of mass scaling by using LS-Dyna. PROCEDURE:- CASE1:- Mass Scaling for Explicit method. 1. Import the keyword file in Ls-prepost. 2. The given model meshed with solid elements. 3. Termination…

AIM:- To perform the head impact analysis by using LS-Dyna and calculate Head Injury criterion (HIC) values in different cases. INTRODUCTION:- Pedestrian safety simulation is a part of vehicle safety engineering. This study focuses on car and pedestrian interaction. The main focus of this is to reduce pedestrian injury…

AIM:- To create a block of 10mm×10mm×10mm dimension with 10 elements for each direction. Simulate the tensile behaviour of the block and compare the results in simulation using ELFORM 1,2,-1 and -2. PROCEDURE:- 1. Import the given material in LS-Prepost. 2. Create the required block with given dimensions as…

AIM:- To simulate the spot weld joint component by using the LS-Dyna. PROCEDURE:- 1. Import the model in the .k file in LS-Pre post. 2. Create the Material and sections for components as shown below. MATERIAL SECTION 3. Assign the section and material to the components as shown below. 4. Create the spot weld beam elements…

OBJECTIVE:- To simulate a crash test for a crash box, plot the energies, cross-sectional force at the middle of the box through the length, plot acceleration and change the thickness compare both results by using LS-Dyna. PROCEDURE:- 1. Import the .k file in LS-prepost. 2. Create material by using keyword manager as shown…

AIM:- To simulate the mobile drop test by using LS-Dyna solver. PROCEDURE:- 1. First import the .k file in LS Prepost GUI. 2. Open the LS Prepost select Files→Import→LS Dyna Keyword file as shown below. 3. See the graphical area it shows the meshed model as shown below. 4. Next rename the FEM parts to Mobile…

AIM:-  To solve the equation F(u) = u3+9u2+4u in Explicit and implicit methods with tolerance of 0.001. IMPLICIT METHOD:- One method of solving for the unknowns {x} is through matrix inversion (or equivalent processes). This is known as an implicit analysis. When the problem is nonlinear, the solution is obtained…

     OBJECVTIVE:- We has to be conversant with converting quantities from one system of units to another.   FUNDAMENTAL DIMENSIONS AND UNITS All phiysical quantities are measured in the certain units. there  are two type of units Fundamental units Derived units   Fundamental units All the…

OBJECTIVE:- We have to perform Explicit dynamic analysis on a parametric study using 3 different values of thickness for the car body CASE SETUP AND EXECUTION:- 1. First open the Ansys workbench. 2. Next goto Toolbox→Analysis settings→Explicit dynamics as shown below.  3. Right-click on the Engineering…

OBJECTIVE:- We have to simulate a bullet penetrating into a bucket with 3 different non-linear materials for the bucket and analyse their behaviour for the same velocity of the bullet. CASE SETUP AND EXECUTION:- 1. First open the Ansys workbench. 2. Next goto Toolbox→Analysis settings→Explicit dynamics…

OBJECTIVE:- we have to perform an explicit dynamics simulation on machining with a planer. We need to perform this for 2 cases. One will be with a cutting velocity of 20000mm/s and the other will be with a cutting velocity of 15000mm/s. CASE SETUP AND EXECUTION:- 1. Open the Ansys workbench. 2. Goto the Tool-box →Analysis…

OBJECTIVE:- We have to perform a transient structural analysis on a worm gear assembly. CASE SETUP AND EXECUTION:- 1. First open the Ansys workbench. 2. Go to toolbox select the analysis system and double click on the transient structural it opens a new tab on the graphical area as shown below. 3. Next click on the engineering…

OBJECTIVE:- We have to perform the tension and torsion test on the specimen provided below the video corresponding to the challenge.  For the tension test, displace one end of the specimen to 18mm while keeping the other fixed. For the torsion test, you will need to displace one end of the specimen to an angle…

OBJECTIVE:-  We have to perform a transient structural analysis on a double universal joint with a spring using three different materials: Structural Steel, Stainless Steel and Titanium alloy. The three materials must be used on the joint with the springs alone. CASE SETUP AND EXECUTION:- 1. First open the Ansys workbench.…

  Aim:- Mesh the given rear suspension accordingly with 2D & Volume meshing as per the given quality criteria. Connections to be deployed for the model. Replicate the model symmetrically after all the meshing and connections. Steps Followed:- Geometry Clean-up. Mid surface extraction & 2D meshing. Volume Meshing.…

OBJECTIVE:- We have to perform a transient analysis on a piston and cam mechanism model that has been provided need to run the analysis with Frictionless contact, Frictional with 0.1 and 0.2 as the frictional contact for a total of 3 cases.  CASE SETUP AND EXECUTION:- 1. First open the Ansys workbench. 2.…

Project 1 - 2D meshing on the instrumental Panel   Aim The main aim for the given component is to check for the geometrical errors and mesh with the given element Quality criteria. After meshing the component, the thickness has to be assigned to each feature accordingly.   Procedure   1.Geometry Cleanup   The IP substrate…

OBJECTIVE:- To perform the analysis to simulate a sphere pressing on a plate. Use Structural steel for both sphere and plate but the material of the plate must be Non-Linear. Press the sphere onto the plate 4mm downwards and retract it. The plastic deformation must be captured by you.  CASE SETUP ANS…

OBJECTIVE:- To simulate the bending of iPhone as per the given cases below Case 1: Simulate the model as it is given in the video Case 2: Move the bottom fingers from their defined position to the given position X= 22.5mm & Z= 10mm and obtain the results for the simulation. Also, define the S-N curve for the Aluminium…

OBJECTIVE:- To simulate three different types of welding using three different weld materials Weld Material used: Case 1.  Stainless Steel: In this case, the material of the plates must also be the same. Use Stainless steel for both weldments and plates. No need to add flux to the weldments. Case 2. Aluminium Alloy:…

OBJECTIVE:- To perform an analysis to simulate the bending of a wire in ANSYS. You will have to use Copper Alloy (Non-Linear), Aluminium Alloy (Non-Linear) and Magnesium Alloy (Non-Linear) for the wire alone. You need to find out the Equivalent stress and Equivalent strain on the wire alone. Compare the results  CASE SETUP…

OBJECTIVE:- To simulate the rolling operation on a workpiece made of copper and to evaluate the following results: Equivalent stress for the whole setup Equivalent Plastic strain for the workpiece Directional Deformation in the Z-axis for the workpiece Prove that the workpiece has been displaced by 90mm  GEOMETRY:-…

1. Objective   To perform sheet metal bending operation for three different cases as mentioned below - Case 1:Aluminium Alloy 1199( mentioned in the course video), Copper Alloy NL and Magnesium Alloy NL. Find out the Equivalent stress, Equivalent elastic strain and Total Deformation in the Y direction and…

AIM: To perform the basic morphing techniques for the given CAD model   THEORY:  Morphing is a design change terminology or morphing is use to change the design or shape of any component with or without any numerical input's. EXAMPLE: Honda Brio (Hatch batch version) and Honda AMAZE (Sedan version…

AIM:- To simulate the Railwheel and track for their lifecycle and the stress, strain, and total deformation provided by the wheel running on the track by the given forces. OBJECTIVE:- The main focus of this component is to evaluate the result of the product life cycle and the stress, strain, and total deformation in the…

OBJECTIVE:-                In this challenge, we will perform a grid dependency test with bevel gear with different mesh size 4,5 and 6 and verify the result which is suitable mesh. GRID DEPENDENCY TEST:-                This…

  OBJECTIVE:-  Here we will perform an analysis on a pair of Spur Gears. We will use different materials for gears and find out the Equivalent stress, Total Deformation and Stress Intensity, where Stress intensity results give the location of a possible fracture of Gears.   Different Cases of Materials for…

OBJECTIVE:- To Perform a static structural analysis using Ansys workbench on a plate with two different types of holes. The main objective is to measure the stress and deformation-induced on the plate with the same dimension of the plate with a different number of holes and compare it for better design and manufacturing…

AIM:- To give suitable connections for the given rear door component, create and apply different PIDs for different components. PROCEDURE:- 1.Import the rear door in ANSA as shown below. 2.Next create new PIDs goto Mesh→Macros→Set PID→Faces/Shells→Select the shells→New→P shell as shown below.…

2D MESH:- VOLUMETRIC MESH:- RESULT:-

AIM:-To mesh given Rearview mirror component, check for the geometrical errors and mesh the Surfaces with the given 2D element Quality criteria S.No  Quality Criteria  Value  1 Target/Average length   1 2 Minimum Length  0.5 3 Maximum Length  2   Use tetra elements to mesh the…

MODEL 1:- MODEL 2:-

AIM:- To mesh the given plastic bottle cap model take the mid surface and assign thickness.Quality criteria as shown below. S.No  Quality Criteria  Value  1 Target/Average length   1 2 Minimum Length  0.5 3 Maximum Length  3 4 Aspect  3 5 Warpage 15 6 Skewness 45 7 Jacobian …

AIM:- To mesh the given hood model, generate the mid surface, and geometry clean up for all components. All elements should pass the given quality as shown below. S.No  Quality Criteria  Value  1 Target/Average length   5 2 Minimum Length  2 3 Maximum Length  7 4 Aspect  3 5 Warpage 15 6 Skewness 45 7 Jacobian  0.7 8 Minimum…

1A.   1. TITLE Import the model STEPS 1.First to import the model  2.Select the import on the toolbar and click on the import geometry3.Click on the files it will be shows the model and select it 4.Click on the import it will be shows on graphic area 5.The model will be in wire frame 6.It will be converted into…

1A.   1. TITLE Import the model STEPS 1.First to import the model  2.Select the import on the toolbar and click on the imported geometry3.Click on the files it will be shown the model and select it 4.Click on the import it will be shown in the graphic area 5.Click on the components than the five components will…

1.OBJECTIVE:-To create a 3D tetra mesh with given quality parameters in a given model by using hyper works. CAD MODEL IMAGE:- 1. Cad model 2.Cad model 3.Cad model PROCEDURE:- model 1:- 1. Import the given model into hyper works 2.To clean the geometry by using quick edit and defeature. 3.Go to quality parameters give a…

OBJECTIVE:-To create 1D connectors on a given model with given quality criteria by using hyper works. CAD MODEL IMAGES:- PROCEDURE:- 1.Import the file into hypermesh -select→import→import geometry. 2.Click on the files select STP file and click on import 3.It shows on graphical area 4.Goto tab bar click…

OBJECTIVE:-To create midsurface and Meshing of Rear Wheel Holder with given quality parameters should be passed as mention in the below table. Target Element Length = 5 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…

OBJECTIVE:-To mesh the door inner panel with the given quality criteria file and assign thickness. 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…

OBJECTIVE:-To Clean the geometry. Extract mid surface. Clean mid surface geometry. Ignore holes less than dia 5mm. Create a 2D mesh with target length 5mm, min 3.5mm max 7mm. And assign proper thickness, by creating a generic property for given parts by using Hyper works 2021.  CAD MODEL IMAGES:- →Practice →Clip…

  1. Check the material properties of the rail component and calculate the speed of sound in steel rail=_______  I am checking the properties on the starter file this file already given in the assignment and open by using a note pad. I am opening the FIRST_RUN_0000 this is the starter file as shown below.…

OBJECTIVE:-  To comparison of results with base simulation and improve shell element properties by using Hyper Works 2021.  Case 1 setup and Procedure:- 1.First import the file Select→Import→Import solver deck→File→Import. 2.Next click on the import the model is displayed in the graphical…

OBJECTIVE:- To compare the 7 cases the behaviour of the elements with changes in the materials and properties. plot energy graphs and compare all cases. CASE1:- 1.First import the file Select→Import→Import solver deck→File→Import. 2.Next click on the import the model is displayed in the graphical…

OBJECTIVE:- Generating the mesh for bumper assembly the target element size is 6. Run the simulation in given cases Run the crash tube model as it is. Change the Inacti=6 and run. Create the type 11 contact and run. Remove both notches and remove boundary condition on rigid body node then run. Create a new notch in the…

AIM:- Car side crash analysis by using Hypermesh and Hypercrash. OBJECTIVE: Check 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 intersections. Create a rigid wall with friction 0.1 as per the reference model.…

OBJECTIVE:-  To perform the frontal crash simulation follow the given conditions  Frontal crash-BIW Check 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 intersection. Correct rigid bodies if any issues.…