3-D Stress Problem

(Interface using Algor Roadmap System and SuperDraw III)

File

New

trapez

Create/Edit Model

2-D Design

Edit 2-D Model (SuperDraw)

Options

Grid Display

Using points

Options

Input Method

Keyboard

Add

Line (input coordinates for the four vertices of the plate surface)

Modify

Copy

Join all copies

(enter copy vector from (0,0,0) to (0,0,-1))

View

Pre-Defined View

Isometric

View

Enclose

Modify

Clean

Duplicates

Tools

Snap

Points

FEA Mesh

Automatic Mesh

8 points 3-D mesh

Select points A, B, C, D, A’, B’, C’, D’.

A mesh is generated with four elements on each side (the default can be changed using Values).

 

Add

General FEA

Nodal Forces

Vectors

X-direction

Length

2

Magnitude

200

Box Apply (Click on the lower edge)

Vectors

Y-direction

Length

2

Magnitude

200

Box Apply (Click on the upper edge)

Vectors

X-direction

Length

1

Magnitude

40 (Click on nodes along the outer surface)

Add

General FEA

Boundary Conditions (click on the nodes along the left edge. Easier on XY View)

 

File

Save

File

Exit

Decode

Elements

Type

Brick

Elements

Info

2nd order

Elements

Group

Input the characteristics of the element groups (use steel)

Elements

Color

Tref

1

Analysis

Static

Global

Load Case

1

Decode

Run

Analyze

Run

View Analysis Results

<F10>

View

YZ right

<Esc>

Enclose

<Esc>

Stress-di

Post

Von-Mises

<Esc>

<Esc>

Do dither

<Esc>

Displaced

Calc Scale

Displaced

With Und

Plane Stress Problem (Use Automatic Mesh Generator / Problem 8-19)

(Interface using Algor Roadmap System and SuperDraw III)

File

New

8-19

Create/Edit Model

2-D Design

Edit 2-D Model (SuperDraw)

Options

Grid Display

Using points

Options

Input Method

Keyboard

Add

Lines and circular arcs segment to form the shape below, which is divided to allow for future meshing.

Modify

Clean

Duplicates

Select

All

Modify

Copy (copy vector is from (0,0,0) to (0,0, -.01))

FEA Mesh

SuperSurf

Construct

Gpatch

Select

All

Gpatch

Quick msh

Number-U

5 (5x5 mesh)

Test

File msh

<F9>

Transfer

Mesh-sd

Add

General FEA

Nodal Forces

Vectors

Y-direction

Length

0.1

Magnitude

(16667)10000/6

Click on the nodes in the tip of the right edge.

Add

General FEA

Boundary Conditions (click on the corresponding nodes along the left edge)

General EFA

Boundary Conditions

Change Values (click on Tx)

Select the nodes on the lower edge.

FEA Mesh

Mesh Engines

Hexagen

Generate Standard Mesh

File

Save

File

Exit

Decode

Elements

Type

brick

Elements

Info

2nd order

Elements

Group

Input the characteristics of the element groups (use: Aluminum SI)

Elements

Color

Tref

1

1

Analysis

Static

Global

Load Case

1

Decode

Run

Analyze

Run

View Analysis Results

<F10>

View

YZ right

<Esc>

Enclose

<Esc>

Stress-di

Post

Von-Mises

<Esc>

<Esc>

Do dither