Course on Contact Mechanics Theory & FEA – Virtual Engineering – Learn CAD/CAE/CFD/DEM/MPS simulation in one platform

About Course

This workshop aims to cover Contact Mechanics Theory and hands on practical simulation of application engineering problems using finite element analysis programs. Course has three parts

Part A : Theory
Part B : Practical Problem Solving
Part C : Projects

This course will expect the student to know basic Finite Element Analysis theory and practical knowledge so that he/she can improvise on the non-linear contact mechanics algorithms and problem solving knowledge.

Understanding Nonlinear Contact Algorithms
Type of Contacts and its theoritical background
Simulating
Engineering problem on Node-to-Node
Engineering problem on Line-to Line
Engineering problem on Surface -to-Surface
Engineering problem on Node -to- Surface
Engineering problem on Line to Surface
Engineering problem on Self Contact
Engineering problem on Finite Sliding
Engineering problem on Small Sliding
Knowledge on Contact Controls
Knowledge on Solution Convergence
Knowledge on Contact Pressure
Knowledge on Frictional Shear, Contact Area
Knowledge on Slipping, Opening, Sticking, Over Closure…etc

Course Content

Introduction

Historical Background
Practice Vs Theory
Scales of Contact
Contact Mechanics in Engineering Application

Basic Fundamentals of Contact Mechanics

Point and Line Contact on Elastic Half-Space

Introduction
Theory and Mathematical Formulation
Different combinations arise in Contact Problems
Concentrated Normal Force
Concentrated Tangential Force
Distributed Normal and Tangential Tractions
Uniform Distributions of Traction
Triangular Distribution of Traction
Specified Displacement in the Loaded Region
Indentation by Rigid Flat Punch

Surface Contact

Contact Algorithm -1

Introduction
Nonlinear Structural Behavior
Building a Nonlinear Model
Factors Affecting the Contact Analysis
Characteristics of Surfaces Contact
Contact Status
Classification of Contact
Contact and Target Surfaces
Contact Technology
Contact Compatibility
Draft Lesson
Nonlinear Solution

Contact Algorithm-2

Simple Contact Model

Solution

Main Issues in a Nonlinear Analysis

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About Course

What Will You Learn?

Course Content

Introduction

Historical Background

Practice Vs Theory

Scales of Contact

Contact Mechanics in Engineering Application

Basic Fundamentals of Contact Mechanics

Introduction

Problem of Determining Contact Stresses

Assumption for Solution of Contact Stresses

Types of Contact

Contact Mechanics Models

Point and Line Contact on Elastic Half-Space

Introduction

Theory and Mathematical Formulation

Different combinations arise in Contact Problems

Concentrated Normal Force

Concentrated Tangential Force

Distributed Normal and Tangential Tractions

Uniform Distributions of Traction

Triangular Distribution of Traction

Specified Displacement in the Loaded Region

Indentation by Rigid Flat Punch

Surface Contact

Introduction

Problem of Determining Contact Stresses

Shape of the Surface Near the Point of Contact Before and After Loading

Notation and Meanings of the Terms

Expression for The Principal Stresses

Contact Algorithm -1

Introduction

Nonlinear Structural Behavior

Building a Nonlinear Model

Factors Affecting the Contact Analysis

Characteristics of Surfaces Contact

Contact Status

Classification of Contact

Contact and Target Surfaces

Contact Technology

Contact Compatibility

Draft Lesson

Nonlinear Solution

Contact Algorithm-2

Penalty Method

Augmented Lagrange Method

Pure Lagrange Multiplier Method

Pure Lagrange in Normal

Penalty in Tangential

Multi-Point Constraint (MPC) Method

Simple Contact Model

Contact Stiffness

Penetration Tolerance

Solution

Nonlinear Solution

Reviewing Nonlinear Results

Main Issues in a Nonlinear Analysis

Obtaining Convergence

Balancing Expense versus Accuracy

Verification

Student Ratings & Reviews

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