Week 9 - Attachment Feature Creation - Challenge 1

  AIM :- Convert the given measurements into different system of units .   MESURMENTS :-   MASS 1kgLENGTH 1mTIME 1sFORCE 1NSTRESS 1Pa ENERGY 1NmDENSITY 1Kg/m3YOUNG'S Modulus  210GPaVelocity 56.33KMPHGRAVITY 9.8m/s2     System of Units to which we shall convert :-   Kg cm ms…

Development of Door Trim Panel Aim : To create a CAD model of a  side door trim panel from given class A surface .  Objective:  a) Creation of side door trim panle from given class A surface . Apply thickness to it and use attachment features .  b) Creation of flanges and heat stakes from given…

AIM :- To create assemblies of Quick return mechanism and CV joint and to also create 2D drawing of the given assemblies in CATIA.   ASSEMBLY :- Assembly modeling is a technology and method used by computer-aided design and product visualization computer software systems to handle multiple files that represent components…

AIM:-  To Create the Closed part body of B PILLAR from given Class-A and develop attachment features.   OBJECTIVE:-  The objective of this challenge is to develop Closed Surface Model using Master Sections and develop attachment features for fixation of parts by following OEM Design standards and…

Heat Staking :-   In manufacturing products with thermoplastic components, it is often necessary to join a thermoplastic to a part of dissimilar material, whether it be metal, a dissimilar plastic, or other material. This technical information sheet provides design guidelines, configurations, and techniques for successful…

Screw Boss Design   Bosses find use in many parts designs as points for attachment & assembly . The most common varity consists of cylindrical projections with holes designed to recive screws, threaded inserts or other types of fastening hardware. As a rule of thumb, the outside diameter of bosses should remain…

RIB DESIGN   Ribs provide a means to economical stiffness and strength in molded parts without increasing overall wall thickness They also facilitate 1) Locating & arresting components of an assembly. 2) Providing alignment in mating parts. 3) Acting as stops or guides for mechanisms.   Proper rib design…

OBJECTIVE: 1) Create the Coin Holder Plastic component through the given Class-A surface THEORY: The draft analysis helps to detect if your drafted part is easily removable from the mold or die. All plastic components will have a minimum draft of 0.5 to 3deg. And for automotive sheet metal parts, the draft will…

OBJECTIVE: 1) Create the Core and cavity blocks for the switch bezel designed THEORY: The draft analysis helps to detect if your drafted part is easily removable from the mold or die. All plastic components will have a minimum draft of 0.5 to 3deg. And for automotive sheet metal parts, the draft will be 7deg…

OBJECTIVE: 1) Create the Door Arm Rest Plastic component through the given Class-A surface.  2) The tooling axis for the given Class-A Surface should be created meeting the requirements of the draft angle and at the end perform the Draft analysis on the model. THEORY: The draft analysis helps to detect if…

                                                                              Meshing an Automotive Suspension Assembly…

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Objective :- Morph The given two model to a new shape as shown in video. Theory and application :- Morphing is a feature that can rapidly morph existing FE and CFD models to match new geometry and/or to new proportions.Component and full system level FE/CFD models (such as automotive vehicle crash, NVH and durability models)…

Objective :- Giving connections for the rear door by using different 1D elements. Procedure :- 1) Import the model to ANSA, by clicking on File>Open>Browse the file from the list. Click OK. 2) Study the model and understand where and which connections should be giving to different parts. 3) We can see that the whole…

Aim :- Simulate an axi-symmetric flow through a pipe in OpenFoam by applying the wedge boundary condition. Objectives :- 1) Write code in Matlab to automate the generation of blockMeshDict file. 2) Validate Hydro-dynamic length with the numerical result. 3) Validate the fully developed flow velocity profile with its analytical…

Objective :- 1) Simulate a transient incompressible-laminar-viscous flow through the backward facing step geometry. 2) Simulate the flow without using any grading factor (i.e., GF = 1) 3) Simulate the flow with grading factor of 0.2. The cells should be finer near the walls (includig the step wall). 4) Measure the…

Objective :- 1) Steady-state distribution of primitive variables inside the nozzle2) Time-wise variation of the primitive variables3) Variation of Mass flow rate distribution inside the nozzle at different time steps during the time-marching process4) Comparison of Normalized mass flow rate distributions of both forms…

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Objective:-   Part 1 :- Mesh the bumber assembly model with Element target size as 6mm. Part 2 :- Run the Crash tube model with 6 different cases as given below and compare.                      1.Run the crash tube model as it is.    …

  Objective:- Compare 7 cases as discussed in last 3 slides, in a tabulated format on the basis of: 1. Total number of cycles, Energy error, mass error and simulation time.2. Notice the animation of all 5 and describe the animations in brief on thebasis of whether the elements are being deleted or cracked.3.…

Answers :-   1. To calculate the speed of sound in steel rail we need young's modules(E) and density (Rho)     E= 210000    Rho= 0.0078    Speed of sound = c= √(E/Rho)                             =√(210000/0.0078)…

Objective:- 1. Models are given carry out geometry cleanup of parent and midsurface of the models. 2.Carry out meshing of the models with the given quality criteria. 3.Assign property and give thickness to the mesh of 3 models   Procedure:-   Model No.1 Step 1:-  Import the geometry and Visual Inspection…

Objective:- To know what are connectors and there needs To study about different types of connectors How to apply connections in hypermesh. Theory:- Connectors:- they are geometric entites, which are primerly used to represent the CAD geometric connections in tearms of FEA. Connections can be created as a spot weld, seam…

Objective:- To understand about tetra meshing Understand how to tetra mesh To know about the deffects in tetra meshing To understand Tet collapse and how to remove it Procedure:- In this challenge we are having 3 models, The chasis and housing model have different componets in it and the other is haveing only one component.…

Objective:- Performing the 2D mesh Correcting the mesh flow by using the different set of tools Understanding the use of mesh quality Exploring the tools that are used to clear the mesh quality errors. Procedure:- In this challenge we are having mainly 4 parts to cleanup, mid surface and mesh. A Latch part, one Hinge,…

AIM:- To create 1D elements of the given components with given cross section and degree of freedom a. Rod element:- with only translational DOF and RBE2 link     Cross-Section: Box- Dimension a= 12 mm                                   Dimension b=10 mm                                   Thickness t= 0.75 mm b. Beam element:-…

AIM:- For the given component, check for the geometrical errors and mesh with the given element Quality criteria. Use tetra elements to model the component and there should not have any peaks and kinks and dips on the surface of the component.   PROCEDURE:-   1) IMPORTING THE CAD MODEL:- Open the ANSA software…

AIM:- For the given component, check for the geometrical errors and mesh with the given element Quality criteria. Use tetra elements to model the component and there should not and kinks and dips on the surface of the component. PROCEDURE:-   1) IMPORTING THE CAD MODEL:- Open the ANSA software and import the…

AIM:- To check for the geometrical errors  To mesh with the given element Quality criteria. Meshing the component and thickness has to be assigned. PROCEDURE:- 1) IMPORTING THE CAD MODEL:- Open the ANSA software and import the cad geometry by clicking on File>Open>Browse the file from the list. Click OK. As you can see…

AIM:- To check for the geometrical errors for the "Bottle Cap". To mesh with the given element Quality criteria. Meshing the component and thickness has to be assigned. PROCEDURE:-   1) IMPORTING THE CAD MODEL:- Open the ANSA software and import the cad geometry by clicking on File>Open>Browse the file from the list. Click…

AIM:- To check for the geometrical errors for the "Car Hood". To mesh with the given element Quality criteria. After meshing the component the thickness has to be assigned. PROCEDURE:-   1) IMPORTING THE CAD MODEL:- Open the ANSA software and import the cad geometry by clicking on File>Open>Browse the file from…