FEA and ANSYS

§ What is FEA?

§ About ANSYS

§ ANSYS Basics

Starting ANSYS

§ ANSYS Workbench Environment

§ The GUI

§ Graphics and Picking

§ The Database and Files

§ Saving Files

§ Exiting ANSYS

§ File Types

General Analysis Procedure

§ Overview

§ Preliminary Decisions

§ Preprocessing

§ Solution

§ Post processing

Introduction to ANSYS Modeling

§ Direct Generation vs. Solid Modeling

§ Direct Generation

§ Creating nodes and elements

§ Filling between nodes

§ Setting Element Attributes

Solid Modeling

Bottom up

§ Using key points

§ Using lines, splines & arcs

§ Using areas and volumes (arbitrary)

Top Down

From Primitives

§ Creating rectangle, circle, polygon, block, cylinder, prism, sphere, cone and

torus.

§ Concepts of hard points, line fillets and area fillets.

Modeling with Boolean operations

§ Intersect

§ Add

§ Subtract

§ Overlap

§ Glue

§ Divide

The Finite Element Method

Introduction to ANSYS

Exercise 3-1: Static Axial Loading of Plate with Center Hole in Tension

Creating and Importing Solid Model Geometry

Exercise 4-1: Bottom-up Modeling of Plate with Center Hole

Exercise 4-2: Top-down Modeling of a Pipe Flange

Defining Element Attributes

Exercise 5-1: Axisymmetric Model of a Cylindrical Pressure Vessel

Meshing, Coupling and Constraint Equations

Exercise 6-1: Quarter Model of Plate with Center Hole in Tension

Exercise 6-2: Sandwich Bean with No Slope Boundary Condition

Boundary Conditions, Solution

Exercise 7-1: Beams with Variable Loads and Boundary Conditions

Postprocessing

Exercise 8-1: Postprocessing Pressure Vessel with Variable Loads

Exercise 8-2: Beam with Multiple Loads

Exercise 8-3: Power Graphics with Curved Beam

Commands and Input Files

Exercise 9: 1D Steady State Conduction Through an Insulated Wall

Structural Analysis

Exercise 11-1: Modal Analysis of a Circular Plate

Exercise 11-2: Contact Between Two Solid Bodies

Heat Transfer

Exercise 12-1: Time Varying Heat Conduction

Exercise 12-2: Transient Temperature Variations in a Combustion