Computer Aided Engineering Master's Program
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Request a Demo SessionIn this module, you learn the basics of FEA, various types of simulations along with their significance, and also develop a mathematical understanding of the implicit and explicit schemes. The topics that will be covered in this module are,
In this module, you will learn about the LS-PREPOST, the LS-DYNA user manual. You will also be learning about the file handling in LS-PREPOST, an overview of various cards, and finally running a Tensile-Test simulation. These are the topics that are covered in this module,
In this module, you will learn a few new keywords in detail, you will learn about the hourglass energy, material keywords in LS-DYNA, methods for calculating Young’s Modulus, basics of Timestep concept, and various control keywords. These are the topics that are covered in this module,
In this module, you will learn in-depth about the LS-PREPOST GUI, you will be introduced to Weld modelling in LS-DYNA and methods to model the Spot Welds and debugging, how to model a cross-section and its application.
The following topics are covered in this module,
In this module, you will learn about the implicit problem and how to set up an implicit simulation, you will also learn about the memory allocation in LS-DYNA, you will learn the concept of convergence in implicit, various keywords used in an implicit simulation, you understand about MORTAR contact and defining the loading in implicit simulations.
These are the topics that you will learn in this module,
In this project, you will hands-on experience in using the *INCLUDE, *INCLUDE_TRANSFORM,*DEFINE_TRANSFORMATION and understand how to model a pedestrian head impact simulation and calculate the HIC value.
In this module, you will learn about the best practices in LS-DYNA that are particularly relevant for CAE simulation engineers in the industry, you will also understand the concept of mass scaling in-depth, and the difference between verification and validation.
The topics that will be covered in this module are as follows,
This module mainly deals with material modelling using LS-DYNA. You will understand how to model a material card from the raw data from the material testing lab. You will understand in-depth about material modelling techniques and will also learn how to model a hyperelastic material in LS-DYNA. You will also learn about the contact mechanics and the various contact types in LS-DYNA.
The topics covered in this module are,
This module focuses on the crash and safety domain where you will be introduced to the industry trends in crash and safety.
And the topics you will learn are,
The first module you learn will learn about different types of analysis, the difference between Implicit and Explicit analysis, different non-linearities and along with this you will also bust the myth that ‘strong structure equates safe structure’ by teaching you about: Meaning of crash safety for a vehicle Law of conservation of energy applied to a car crash Basic concepts of FEA such as linear-nonlinear, static-dynamic, Implicit- Explicit analysis, their differences and the guidelines on how to choose a method for a given FEA problem
HyperMesh is one of the most popular Finite Element Preprocessor used to generate meshes of complex models. In this module, you will learn the GUI of HyperMesh, various elements available in FEA like 1D, 2D and 3D elements, how to choose the element depending on the geometry by covering topics such as: Overview of Pre-Processors and their importance in FEA Processes Primary introduction to GUI of HyperMesh, toolbars and basic operations
Learning to mesh geometries is an important step in performing FEA. Therefore, we will extensively cover the topic by which the students can understand, geometry clean up, tools available for geometry cleanups, Using an edited geometry to generate mid-surface and appropriate 2D mesh with regards to mesh flow, trias and mesh size, by various methods Using the geometry tools to clean up the distorted geometry
In this section, you will learn what is 1D, 2D, and 3D meshing, what is mesh quality and how to improve them and then exporting the meshed model to the specific solver.
Using an edited geometry to generate mid-surface and appropriate 2D mesh with regards to mesh flow, trias and mesh size, by various methods
Using the geometry to create a 3D mesh using various methods
Meaning of mesh quality and ways to control and improve it
Types of 1D elements, their specifications, and creation
Exporting a meshed model from HyperMesh in the specified solver format
In this section, you will learn what is an Explicit Solver, what is an engine file and a starter file and their significance and also what is an out file and how to read this out file.
Overview of Radioss- An Explicit FEA solver for crashworthiness
Essential Radioss input files, their significance, and format
Overview of output files and their significance
In this section, you will learn about the various element formulations available for different types of elements in the Radioss and their applications, how to assign thickness for the component and also you will understand various parameters available in the property card and their significance.
Similarly, you will also learn various material cards available in Radioss and their use cases along with their failure criteria.
Application of thickness and dimensional properties, integration points for 1D, 2D and 3D elements
Study and application of concepts such as material intrinsic properties, failure criteria, non-linearity, plasticity, and hyper-elasticity into a material model
In this section, you will learn a new application that is developed by Altair exclusively to set up the crash simulations and along with this, you will be learning the GUI of Hypercrash. You will also be introduced to Hyperview and HyperGraph where you will learn how to post-process the simulation results
Introduction to HyperCrash, a specialized pre-processor for Radioss
Introduction to HyperView and HyperGraph as post-processing tools in the FEA process
Interface modelling will be a complex topic that you can find in any solver. Here you will learn what is a contact and how it works, what are the different parameters you need to look into while defining a contact in a model, what are the different types of contacts and their use cases.
Concepts of an interface between given components, penalty formulation method, contact stiffness, gap, penetration, interference, and tied interfaces
Creation of various types of interfaces and removing any errors or interferences
In this section, you will understand how to set up a proper boundary condition for any given simulation, what are the different types of loading conditions and different types of joints available in Radioss
Setup of static and dynamic loading conditions such as velocity, acceleration, a constraint on degree of freedom, rigid walls, spot welds, and seam welds
In this section, you will learn about the concept of the time step and how it can be optimized to increase the speed of the simulation and also the concept of mass scaling. You will also understand the various control cards available in Radioss and their use cases.
Control of simulation in terms of the time step, accuracy, run time, types of outputs
In this section, you will the various check you to do before running the simulation and also you will understand how to debug a simulation along with its approach
Checking and debugging any errors in the model using diagnostic methods
In this section, you will exclusively learn about the Physics of an airbag in crash scenarios and how to model them in Radioss. You will be learning about two types of Airbags ( with vent and without vent )
Concept of an airbag in FEA, its modelling methods and challenges with an example
In this section, you will learn about how the injury criteria are calculated in the actual crash test environment and how it affects the rating of the vehicle. You will also learn about the dummy standards that are used in crash testing.
Various occupant injury criteria currently being considered while determining the crashworthiness and safety performance of a car
In this section, you will learn about the standards followed in different ENCAPs
Study of basic elements of most popular crashworthiness standards, the criteria used while determining the crashworthiness performance and ways to measure this in the FEA model
In this module, you will study the fundamentals of Finite Element Analysis (FEA). FEA is a generic technique used to solve boundary value problems. FEA finds a lot of applications in structural analysis. In this module, we will discuss the math behind FEA, along with the following topics
In this module, you will study the meshing software - HyperMesh. HyperMesh is a highly capable simulation software and in this module you will learn the various tools and features that HyperMesh has to offer. In this module, you will learn of the following topics
While dealing with complex 3D components, it is important to remove small features and holes that are inevitable when designing a CAD model. You will be introduced to the batch mesher macro that will be instrumental in accomplishing this. In this module, you will study the following topics
1D Meshing is a great way to speed up the simulation time without compromising on accuracy. There are different types of 1D elements - each featuring its own shape function and characteristics.
In this module, you will learn the following
In this module you will learn to perform surface clean-up on a given geometry and to extract the mid-surface using an in-built tool - Auto-mid-surface. You will also learn how to clean up the surface manually because relying only on the Auto-mid-surface option may give rise to a distorted surface while dealing with a complex geometry
Here is a list of topics that you will learn in this module.
In this module, you will learn the basics of 2D meshing, how to mesh a surface, how to re-mesh a meshed surface using Elements, and how to attain mesh flow in the geometry. You will also learn how to handle the Tria elements in the model.
In this module, you learn what a quality check is and understand the different quality-checks that HyperMesh offers. You will also learn how to fix areas that failed the quality check.
Here, is a list of key concepts that you will learn in this module.
In this module you will learn how to do manual mid surfacing when the auto-mid surfacing option fails. You will also learn how to handle geometry if they are symmetrical, normals check in the model and its significance, and free edges along with their significance.
The following topics are covered in this
In this module, you will learn the different tools and techniques to generate a hexamesh for a given geometry. You will also learn a variety of techniques to generate tetra meshes. You will also understand the quality-checks for tetra elements and how to rectify areas that have failed these checks.
The following topics are covered in this module.
Sometimes, meshes are made with both 2D and 3D meshes that are interspersed. Connectors help the computer understand that the interface is between two different kinds of meshes. Connectors are time-saving features that are a must in large models. In addition to this, connectors offer a way to let the computer know that two components have been seam welded.
In this module, you will understand the uses of batch meshing and its applications in industries. You learn about the parameter file and criteria file, how they can be optimized for the requirement.
Here is a list of key concepts that you will learn in this module.
In this module, you will learn about morphing which can be done using constraints, volumes, and geometry. Also you will be working with manipulation of TCL commands, running a TCL command using the inbuilt run options.
WEEK 1 & 2 In this module you will be introduced to the CAE domain along with introduction to FEA basics. You will learn the Graphical User Interface(GUI) of the ANSA tool. You will get to know about different solvers and types of analysis carried out using them You will be introduced to basic tools that will help you with geometric cleanups and other deck setups in ANSA. The topics covered in this module are, Introduction to FEA, ANSA GUI, Geometric Tools and Topology cleanup Types of CAE process Tools for structural CAE, Types of elements, Different Tools used in TOPO deck
WEEK 3 In this module, you will study the basics of 2D meshing. You will also learn how to extract mid surface, deploy 2D mesh on the mid surface, reconstruct already meshed areas, along with various techniques for achieving the mesh flow. You will also learn how to eliminate the tria concentration present in the geometry, capture the important features in the geometry. You will be working on a sheet metal component in this module. You will also be taught how to achieve mesh quality for the component by assigning the quality criteria parameters. You will study the following topics in this module, Manual Mid Surfacing for Sheet metal components, 2D meshing on sheet metal components, Quality checkup and taking measures to achieve quality, Introduction to different Tools used in Mesh deck Revising the basic commands Basic commands used in TOPO and MESH deck, Practice model provided
WEEK 4 Manual Mid-Surfacing-Plastic Trims and Cast Parts In this module you will be learning about extracting the mid surface and working on a plastic part. Plastic parts are of variable thickness therefore, extracting the mid surface and assigning the thickness is more tricky while compared to the sheet metal component. You will study the following topics in this module, Manual mid-surfacing for plastic trim components & cast parts, 2D meshing, quality checkup Different tools used in mesh deck A plastic part is given for practice
WEEK 5
In this module, you will learn the different tools and techniques to generate the Tetra mesh for a given geometry. You will also learn the different methods involved in generating a Hexa mesh. You will also understand the quality checks for Tetra elements and how to rectify failed tetra elements.
You will study the following topics in this module,
Establishing Solid (Tetra) meshing on 2 different components
Solid (Tetra) Meshing,
3D meshing quality criteria,
Volume mesh deck
Introduction to Solid (Hexa) meshing
Solid (Hexa) meshing,
Volume mesh deck
WEEK 6
In this module, you will be introduced to connections in ANSA. This enables the user to generate FE models for durability, NVH, and crash analysis. Connections are now efficiently designed with the help of the tool. You will also generate connections for the automotive seat & front door.
These are the topics that you will learn in this module,
Different types of connectors such as:
- Two Nodes RBE2
- Cluster RBE2
- RBE2-CBUSH-RBE2
- RBE2-HEXA-RBE2
- Nut and Bolt representation
- Seam weld data representation
Different operations such as
- Converting and Realizing operations
- Connection Manager operations
- Assigning mass to a node.
WEEK 7
In this module, you will learn about batch meshing, casting methods, and its applications in industries. Batch meshing/casting method will help you to model the component efficiently and quicker than if you tried to model them manually. But these tools do not guarantee the best results always, there will areas where you need to manually check the results.
You will study the following topics in this module
- Introduction to casting & batch meshing operations
Auto mid surfacing and meshing by using casting and skin methods
WEEK 8
In this module, you will learn about a few morphing techniques in ANSA. ANSA allows a full-fledged morphing menu which is completely integrated with ANSA's interface. The functions of the morphing menu can be used to efficiently re-shape both FE and/or geometry-based models.
You will study the following topics in this module,
Direct morphing
Box morphing
Hatches
Morphing was done in FE model
Morphing done in CAD geometry.
This section gives an overview of FEA,
Workbench is one of the industry-leading software from ANSYS that houses multiple analyses under one roof.
ANSYS Workbench has its own library of engineering materials with its corresponding material properties built-in. Therefore, we will work to look into various options available under engineering data. These include:
ANSYS SpaceClaim is an inbuilt design tool with enhanced GUI and accessibilities. Provides varying options to the user for creating simple extrude, sweep and extrude cut.
You will learn:
Static structural analysis is the first analysis system we will be studying in-depth. Static structural analysis is used in cases where the load acting on the body is very slow, not varying with time and not considering the inertia effects. So we will look into
Explicit dynamics is the third part of the study in this course. Explicit dynamics is applied in the cases where high energy generation, acceleration is involved i.e high energy generated at a very small instant of time. ANSYS uses Autodyn software to solve explicit analysis. Here we will be looking at,
In this module, you will learn HyperMesh GUI, What is TCL compiler and hands-on practice of the TCL commands in Notepad++
In this module, you will learn TCL commands like loops, arrays and how TCL is linked with HyperMesh
In this module, you will learn several commands and how they can be used in HyperMesh to perform operations
In this module, you will learn how to build a GUI using Tk for the TCL command used in HyperMesh
In this module, you will be able to understand the problem of normals in pre-processing and how it will affect the results in a simulation. You will also learn how to automate to align the normal in a few quick mouse clicks.
In this module, you will learn how to handle a null case when you write a code in HyperMesh to automate a process
In this module, you can understand the concept of free edges and how it will affect the simulation, and also you will be able to write a code to automate the fix for the Free edge issue that occurs during meshing.
In this module, you will learn the significance of a collector, property card, and material card along with a manual method to assign them. Once you understand that you will also be writing code to automate the process.
In this module, you learn the importance of Reflect command for the symmetrical models along with the manual renaming of the components and their material and property cards. Once you understand that this method is time consuming and tiring, you will also learn how this can be automated with a few lines of codes.
In this module, you will understand the significance of numbering in a model for nodes, elements, components, sets, etc., and learn how to automate them with learn the code and its logic
Creating ordered sets
In this module, you understand the importance of mesh quality. You also understand the importance of automating this process
In this module, you will learn how to code to automate the part list and how to read and understand the Userpage.mac
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