Beam with an Elastic Support

Example:  Problem 5-10, Text

(Interface using SuperDraw III)

File

 

 

 

 

 

 

Save As

 

 

 

 

 

 

5-10

 

 

 

Setting

 

 

 

 

 

 

Unit System

 

 

 

 

 

 

Specify Default

 

 

 

 

 

 

English (in)

 

 

Options

 

 

 

 

 

 

Grid Display

 

 

 

 

 

 

Using points

 

 

 

Options

 

 

 

 

 

 

Input Method

 

 

 

 

 

 

Keyboard

 

 

 

Snap

 

 

 

 

 

 

points

 

 

 

 

Add

 

 

 

 

 

 

Line (input coordinates for all the nodes of the frame. Spring length of 24 inches is used arbitrarily)

 

 

 

 

File

 

 

 

 

 

 

Save

 

 

 

 

Modify

 

 

 

 

 

 

Clean

 

 

 

 

 

 

Duplicates

 

 

 

Select None

 

 

 

 

 

Select by box

 

 

 

 

 

 

Click on the vertical line

 

 

 

 

Modify

 

 

 

 

 

 

Update  Object Parameters

 

 

 

 

 

 

Group Number

 

 

 

 

 

 

Change number to 2

 

 

Select None

 

 

 

 

 

Select by box

 

 

 

 

 

 

Click on the horizontal line

 

 

 

 

Construct

 

 

 

 

 

 

Divide

 

 

 

 

 

 

Number

 

 

 

 

 

 

12 <Enter>

 

 

 

 

Divide

 

 

 

FEA Add

 

 

 

 

 

 

Stress and Vibration Analysis

 

 

 

 

 

 

Boundary Conditions (Node at the left end is completely fixed. The node at the end of the spring is free to rotate around z-axis.)

 

 

 

FEA Add

 

 

 

 

 

 

Stress and Vibration Analysis

 

 

 

 

 

 

Nodal Forces (follow instructions)

 

 

 

 

 

 

<Esc>

 

 

 

File

 

 

 

 

 

 

Save

 

 

 

 

Model Data

 

 

 

 

 

 

Element

 

 

 

 

 

 

Type

 

 

 

 

 

 

Beam for Group 1

Truss for Group 2

 

 

 

 

 

 

<Esc>

 

 

Material

 

 

 

 

 

 

Steel (4130) for group 1

Custom material for group 2 (E=1000 psi)

 

 

 

 

Data (Group 2)

 

 

 

 

 

 

A=24 (to get k correctly)

 

 

 

 

Data (Group 1)

 

 

 

 

 

 

ALGOR opens a new window (Beam Design Editor)

 

 

 

 

 

 

Add/Mod

 

 

 

 

 

 

Sectional

 

 

 

 

 

Value

 

 

 

 

 

 

I2=200

I3=200

 

 

 

 

 

<Esc>

 

 

Files

 

 

 

 

 

 

Save

 

 

 

 

 

<Esc>

 

 

 

 

Done

 

 

 

 

 

Global

 

 

 

 

 

 

Load Case

 

 

 

 

 

 

1

 

 

 

 

Output

 

 

 

 

 

 

Element Data

Nodal Data

Displacement Data

Stress Data

 

 

 

Analysis

 

 

 

 

 

 

Analyze

 

 

 

 

Results (Superview)

 

 

 

 

 

Results

 

 

 

 

 

 

Beam and Truss Results

 

 

 

 

 

 

Local 3 moment

 

 

 

 

 

 

<Esc>

 

 

Results

 

 

 

 

 

 

Displacement Data

 

 

 

 

 

 

 Displaced Model On

 

 

 

 

 

 Undisplaced Model On

 

 

 

 

 

Calculate Scale

 

 

 

 

 

Node Inquire

 

 

 

 

 

 

Get Node

 

 

 

 

 

Click on the node under the spring