Shell meshing the hood of a car using ANSA Preprocessor

Aim: Conduct a structural analysis on a group of plates forming a bracket joined with the welds. Carry out the study on the behaviour of different materials and verify the welds.  Objective: Conduct structural analysis on rail wheel assembly with various material properties applied to different geometries. Generate a mesh…

Aim: Conduct a structural analysis of the rail wheel assembly. Carry out the simulation to compare the behavior of the assembly to different loading conditions.  Objective: Conduct structural analysis on rail wheel assembly with the structural steel as material. Generate a mesh to the geometry. Define the case using…

Aim: Conduct a structural analysis to find the equivalent stress, deformation and stress intensity on the spur gear. Carry out the simulation with ductile cast iron, cast steel and cast bronze as material and compare the results.  Objective: Start the structural analysis and update the engineering data with the required…

Aim: Conduct a simulation of stretching the cube of 10mm*10mm*10mm with the given material properties and find the stretch ratio by comparing the different element formulation using Ogden material. Objective: Create a cube of length, breadth and height of 10mm with the elements of length 1mm. Attach the given material…

Aim: Design a plate with required hole definitions and apply load conditions and run the structural analysis. Procedure:   Start a new project with static structural analysis as the analysis system in the ANSYS workbench. The standard material with structural steel as the material is used. Project flow is as follows;…

Aim: Conduct a crash simulation of two brackets connected with spot welds onto a stationary rigid wall with appropriate material and contact definition. Solid and beam element formulation for the spot weld is characterized. Objective: Prepare the deck for crash simulation of a two brackets connected with spot welds onto…

Aim: Conduct a simulation of crash box onto a stationary rigid wall with elastic and nonlinear material cards. Objective: Prepare the deck for crash simulation of a box onto a rigid wall with initial velocity of 50kmph given to the crash box. Assign elastic and nonlinear material cards with different thickness values to…

Aim: Conduct a drop test simulation of a mobile with appropriate model definition. Objective: Appropriate unit system is selected, required materials, sections, appropriate boundary, load and contacts are defined. Model setup: Meshed model is loaded into the LS PrePost workspace. Element size is measured to be 4.1units…

 Aim: Solve the given non-linear static problem using explicit and implicit analysis. Compare the results obtained from both analysis. Problem statement: Consider a simple bar in tension and given the force in the bar is a function of displacement as given below, `f(u) = u^3+9*u^2+4*u` `f(u)` is the intenal force…

Aim : Understand the unit conversion practices and calculate the conversion factor for the different unit systems. Theory : To avoid misinterpretations of the measuring quantities, a universal and more consistent sytem i.e. SI unit system came into practise. Before the SI system, many unit systems has been practised around…

Aim: Mesh the suspension assembly according to the quality criteria and deploy the connections between the components. Objective: Clean the geometry and clear the errors. Middle surfaces are extracted for the thin components and appropriate thickness properties are assigned, shell mesh is generated from the middle surfaces.…

Aim: Extract the middle surface from the reduced instrument panel and generate a 2D shell mesh according to the quality criteria. Objective: Clean the reduced IP substrate and clear the errors from the geometry check. Extract the middle surface and assign the appropriate thickness property to the middle surfaces. Generate…

Drive link:  https://drive.google.com/file/d/1TBt8iOPe5gYjePVKs9BJMCiPQFO99RtQ/view?usp=sharing Aim: Morph the given component model and understand the various morphing pactices. Procedure: Morphing is a technique that is used to change the design intent of an existing models.With the morphing technique, design changes…

Aim: Write a python code to analyse the data by parsing the output file of engine simulation. Objective: Write a code to check the compatibility of the file. Write a code to parse the data and extract user defined data types. Plot the graphs according to user requirement. Calculate the area under PV diagram, power output…

Aim: Write program to fit a linear and cubic polynomial for the Cp data. Obtain the best fit for the given data. Objective: Fit a linear polynomial to the given data. Fit a cubic polynomial to the given data. Fit a best possible fit for the given data. Compare the above cases. Theory: Curve fitting is used to obtain a…

Google Drive link: https://drive.google.com/file/d/1GkdHZ9epM_27J9rxI3JISYcsLTX5FtxH/view?usp=sharing   Aim: Deploy different types of connections in to the components of the Rear door sub assembly. Objective: The components of the sub assembly are arranged into separate PID’s. Create connection data from 3D…

Google drive link: https://drive.google.com/file/d/1_qiwLkx-2Wo2ID2SygQhWVAgf49zFrNi/view?usp=drivesdk Aim:  Obtain a 3D tetra mesh from the intake manifold model with the following the given criteria. Target/ Averrage length 3 Minimum Length 1 Maximum Length 5 Tet Collapse 0.2 Objective: Clear the geometry errors…

Google drrive link: https://drive.google.com/file/d/1OKiegB_e8veD9G6O-tLtVmYKl_wF25OT/view?usp=sharing   Aim: Obtain a 3D tetra mesh from the rear view mirror component with the following the given criteria. Target/Average length 1 mm Minimum length 0.5 mm Maximum length 2 mm Tet collapse 0.2 Objective: Clear the geometry…

Aim: Write a program to solve a differential equation of a simple pendulum. Plot the angular displacement and angular velocity with respect to time in the range of 20seconds. Animate the pendulum position accordingly. Theory: The transient behaviour of the simple pendulum with damping is given by the following equation.…

  Aim: Obtain a 2D shell mesh from the switch panel and a sheet metal component while following the given criteria. Target/ Average length 4 Minimum length 2 Maximum Length 6 Aspect ratio 3 Warpage 15 Skewness 45 Jacobian 0.7 Minimum Quad angle 45 Maximum Quad angle 135 Minimum tria angle 30 Maximum tria angle 120…

Aim: Write a program to plot the PV diagram of air standard Otto cycle for an engine and calculate the thermal efficiency of the engine. Theory: Otto cycle is the gas power cycle used in SI engine. This cycle consists of four processes. Two isentropic processes and two isochoric processes. Process 1: Isentropic compression…

Objective: Arrange the position and orientation of impactor as required and simulate a roof crush situation with suitable interfaces. Boundary conditions are applied to the model with a load condition of imposed displacement. Control cards are checked accordingly while simulating for 200ms using constant nodal time step.…

Google Drive link for the Bottle cap model: https://drive.google.com/file/d/1yeHqBkcsxJwkbn5jJ8uE8C9Qcs9VLp6o/view?usp=sharing   Aim: Obtain a 2D shell mesh from the bottle cap component following the given criteria. Target/Average length 1 Minimum length 0.5 Maximum length 3 Aspect ratio 3 Warpage 15 Skewness 45…

Objective: To extract the mid surface of the hood model and generate a mesh which follows the given criteria. Target/ Average length 5 Minimum length 3 Maximum length 7 Aspect ratio 3 Warpage 15 Skewness 45 Jacobian 0.7 Minimum Quad angle 45 Maximum Quad angle 135 Minimum Tria angle 30 Maximum Tria angle 120 Tria Percentage…

Objective: Simulate a frontal crash of the Neon car model with appropriate interfaces, boundary conditions. Required outputs are obtained from the frontal crash simulation and analyse the results. Case setup: The frontal crash model with only components which in the focus for frontal crash analysis is imported into the…

  Objective: Simulate a side crash of the Neon car model to a rigid pole with appropriate interfaces. Required outputs are obtained from the side crash analysis. Case setup: The side crash model with only components which are in the focus for frontal crash analysis is imported into hypermesh with radioss solver. Model…

  Objective:• Create a mesh for the bumper assembly with a mesh size of 6mm.• Crash tube models with 6 different cases are compared.• Plot RWALL forces, contact forces, internal energy and separate plots for each component.• Study the effect of the notch on the crush tube model.Case setup:Bumper…

Hood:     Fender:     OBJECTIVE:             To create a mesh using batch mesh tool and assign a non-linear material property to the hood and fender model with Radioss profile. PROCEDURE: The hypermesh is kept in the Radioss profile by selecting…

HOOD Objective:- To make the geometry cleanup and extract the mid surface for each component separately and mesh all the components according to the given criteria. Procedure:- Given STEP file for the hood is imported and each component is checked and geometry cleanup is done on all components. All components are checked…

REAR WHEEL RIM Open Part model>Select Unit system as MMGS Rename the pales as follows: Front Plane > MidPlane RWheel (Referred as midplane) Top Plane > Centre RWheel (Referred as centre plane) Right Plane > Front RWheel (Referred as a front plane) Outer Rim and Hub: Select Front RWheel and sketch as follows:…

                                      OBJECTIVE:             To create a 3D mesh using tetrahedral elements on the housing, crankcase and the chassis assembly models. PROCEDURE:…

CHOPPER ASSEMBLY Open Assembly model and select Unit system as MMGS. Chassis is made to fix automatically at the standard planes. The engine is brought in to the assembly. The bottom face of chassis is made coincident to the top faces of plates at bottom of chassis. Front faces of the engine mounting and the plates at…

    CHASSIS Open Part model and select Unit system as MMGS Rename the pales as follows: Front Plane: MidPlane Chassis, referred as a midplane Top Plane: Bottom Chassis, referred as the bottom plane Right Plane: Front Chassis, referred as the front plane Start a sketch (Sketch1) on midplane and from sketch tools,…

OBJECTIVE:-             To mesh and apply the appropriate connectors to the frame assembly model. To know about the terms and debug the connectors if failed. PROCEDURE:- Applying connectors means giving information about the type of joining operations used to combine…