Meshing the Hood of a Car for Crash Applications using ANSA

Objective: To simulate a crash test for a crash box for which the mesh model is given. The crashbox should crash into a rigidwall created using *RIGIDWALL_ keyword. Check the manual to understand and create a rigidwall.  Material for the crashbox is steel. The simulation needs to be started using elastic material…

Objective: To create a complete simulation file from the given file having just nodes and elements of two parts to perform a drop test. INITIAL_VELOCITY card is to be used to give velocity specifications for the cellphone. The orientation of the cellphone is also important and there are specific guidelines on how to orient…

Objective: To solve the equation `F(u)=u^3+9u^2+4` using both Explicit and Implicit methods, setting a tolerance of `10^-2`. To write a detailed report about implicit and explicit methods. To do the calculations in a spreadsheet and to try and plot the graph and compare them. Explicit Method: The explicit method does not…

Objective: To write the given measurements according to the given system of units and to mention the conversion factors for the same. Value of the following measurements are given as follows: MASS - 1kg LENGTH - 1m TIME - 1s FORCE  -1N STRESS - 1Pa ENERGY - 1Nm DENSITY - 1Kg/m3 YOUNG'S Modulus - 210GPa Velocity -…

Objective: To check for the geometrical errors and mesh with the given element Quality criteria. To assign thickness for mid surfaces. To use tetra elements to model non-uniform thickness components. To use connections to connect the component. Quality Criteria for Tria Elements (Tyre and Rim):  S.No  Quality…

Objective: To check for the geometrical errors and mesh the given IP substrate with the given element Quality criteria. After meshing the component the thickness has to be assigned. Quality Criteria: S.No  Quality Criteria  Value  1 Target/Average length   4 2 Minimum Length  2 3 Maximum…

Objective: To use Morphing techniques to make changes to the CAD model of the given component. Procedure: 1. Open the model. 2. Perform a TOPO on the model and orient the model. The model will look as shown below: 3. Go to the Morph Deck. 4. Go to Boxes -> New and create a new box around the area of the CAD geometry…

Objective: To apply necessary connection techniques along with 1D elements on the given rear door model. Procedure: 1. Open the given Nastran file into ANSA. 2. The model will look like this: 3. The model has 2 properties defined. For easy working, one can define properties such that visibility can be changed accordingly.…

Objective:  To check for the geometrical errors. To mesh with the given element Quality criteria. To use tetra elements to model the component. To make sure that there are no kinks and dips on the surface of the component. Procedure: 1. Open the model in ANSA. 2. The imported model will look like this: 3. Perform…

Objective: To check for the geometrical errors in the component and mesh with the given element Quality criteria. After meshing the component the thickness has to be assigned. Quality Criteria: S.No  Quality Criteria  Value  1 Target/Average length   1 2 Minimum Length  0.5 3 Maximum Length …

Objective: To 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 8mm 7 Min angle Quad 45 8 Max…

Objective:  To check the model for geometrical errors and mesh with the given element quality criteria. Assigning thickness to the component after meshing. Quality Criteria: S.No  Quality Criteria  Value  1 Target/Average length   5 2 Minimum Length  2 3 Maximum Length  7 4 Aspect …

Objective:To perform a Roof Crush analysis on the BIW of a Dodge Neon Model. The following operations need to be performed: Importing model: • Car• Impactor Positioning the Impactor: • A 180° rotation about the global z-axis• A 25° rotation about the axis through axis AC• A translation…

Objective: To perform a side pole crash analysis on a Dodge Neon BIW Model. We are required to perform the following operations: Check unit system and either follow [Mg mm s] or [Kg mm ms]. Create appropriate interface with friction 0.2 and recommended parameters. Make sure to clear all penetration and intersections. Create…

Objective: To mesh the given Floor panel of an Automotive component according to the quality criteria prescribed afetr extracting a Mid-Surface for the same.   Procedure: Step 1: Importing the Geometry and Visual inspection: 1. Go to File -> Import Geometry and choose the file that is give. 2. Delete…

 Objective: To perform the Frontal crash analysis of a Dodge Neon BIW model and study the results. The following operations need to be performed: Check unit system and either follow[Mg mm s] or [Kg mm ms]. Create appropriate interface ,friction 0.2 and recommended parameters. Make sure of no penetrations and…

Objective: To Mesh the given bumper model with an element size of 6mm. To run the given crash tube model with different conditions under 6 different cases: Run the crash tube as it is Change the Inacti = 6 and run Create Type 11 contact and run Remove both the notches and remove boundary conditions on the rigid body and…

Objective: To simulate the event of a rigid sphere crashing onto a flat plate as seven cases with different material and failure models for the plate and to compare them on the basis of: 1. Total number of cycles, Energy error, mass error and simulation time.2. Animations of all the 5 and to describe the animations…

Objective: To run two simulations:  Basic simulation of a Beam crash: Using the crash beam file from the previous assignment, change the run time to 55 ms. Change the number of animation steps during simulation to a minimum of 25 and maximum of 60. Run the base simulation without any modification to element properties.…

Objective: To check the material properties of the rail component and calculate the speed of sound in the steel rail. To edit the engine file such that the stress file can be monitored To set the frequency of animation output to a time that will give 20 animation steps. To mesh the given components with…

Objective: To carry out the geometry cleanup operation on the given 3 files and ,mesh them according to the given quality criteria.   Procedure: 1. Open the hypermesh model.  2.  Next we proceed to a geometry cleanup. 3. Go to F11 (quick edit)- Filler surfaces to fill in surface gaps   Before: …

Objective: To mesh the given Side Door model according to the quality criteria mentioned after extracting the Midsurface for the same. 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…

Objective: To create connector and attach the various parts of the given model with the specific types of connectors specified. Procedure: 1. The first step is to mesh the entire component. 2. Mesh using automesh (f12) and set the type of mesh to mixed such that a better mesh flow is achieved and set element type to 6mm.…

Objective: To 3D mesh the three components using three 3D meshing methods such that the required quality criteria is satisfied.      Procedure:  Housing Model 1. Import the geometry using the Import command and delete the solids present in the component. 2. Perform a geometry cleanup for the component…

Objective: The objective of the project is to understand and create 1D Bar, Beam and Rod elements by creating RBE2 and RBE3 links on set of brackets and use Hyperbeam to effectively set the dimension and cross sections of the elements. Procedure:  1. Import the file by going to File -> Import geometry and…