ansys example0102 .pdf



Nom original: ansys-example0102.pdfTitre: ANSYSAuteur: EDB-Afdelingen

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Course in ANSYS
Example0102

ANSYS
Computational Mechanics, AAU, Esbjerg

Example – Cantilever beam

Objective:
Display the moment curve
Tasks:
Obtain values in intermediate points?
Create an element table?
Display the moment curve?
Topics:
Start of analysis, Element table/output,
intermediate points, saving/restoring

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

E = 210000N/mm2
n = 0.3
L = 150mm
c = 100mm
a = 10mm
b = 10mm
F1 = 100N
F2 = 10N

2

Example - title
Utility Menu > File > Change Jobname
/jobname, Example0102

GUI
Command line entry
Enter: Example0102

Utility Menu > File > Change Title
/title, Cantilever beam

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

Enter: Cantilever beam

3

Example - Keypoints

Note: An empty #
result in automatic
numbering.

Preprocessor > Modeling > Create > Keypoints > In Active CS
/PREP7
# Keypoint number
General
format:
K,,,,
X Keypoint x-coordinate
K,#,X,Y,Z
Y Keypoint y-coordinate
K,,100,,
Z Keypoint z-coordinate
K,,150,,

Enter 0,0,0 and
Press Apply for KP1
Enter 100,0,0 and
Press Apply for KP2
Enter 150,0,0 and
Press Apply for KP3

ANSYS
Computational Mechanics, AAU, Esbjerg

Note: An empty box
result in a zero.
Example0102

4

Example - Lines
Preprocessor > Modeling > Create > Lines > Lines > Straight Line
Create a line between Keypoint 1 and Keypoint 2 and so on.
L,1,2
L,2,3
HINT: By clicking with the righthand mouse button you shift
between the Pick/Unpick
function. This is indicated by
the direction of the cursor
arrow:
Pick: upward arrow
Unpick: downward arrow
Press OK or Cancel
to finish selection

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

5

Example – Element Type
Preprocessor > Element Type > Add/Edit/Delete

Press Add

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

Select Beam, 2D elastic 3

6

Example - Element Type
Preprocessor > Element Type > Add/Edit/Delete

Press Options
Change to “9 intermed pts”
ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

7

Example - Element Type
Notice the key option
number for later use

Remember MFORX, SMISC,6…66
Press Help to launch
the documentation for
this element type.
ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

8

Example – Real Constants
Preprocessor > Real Constants > Add

Place the cursor
on the relevant
element and
press OK

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

9

Example - Real Constants
Preprocessor > Real Constants > Add
Enter crosssectional data

Press Close to finish
Press OK
ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

10

Example - Material Properties
Preprocessor > Material Props > Material Models

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

Double Click
to step in the
material tree

11

Example - Material Properties
Preprocessor > Material Props > Material Models
Enter:
Modulus of elasticity

Click here
to Close

Enter:
Poisson’s ratio

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

12

Example - Meshing
Preprocessor > Meshing > Size Cntrls > ManualSize > Lines > Picked Lines

Select/Pick
Lines to
specify
mesh size
for

Press OK when finish with selection
ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

Enter 1
13

Example - Meshing
Preprocessor > Meshing > Mesh > Lines

Select individual lines to be meshed by Picking

Select all lines defined to be meshed

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

14

Example – Analysis Type
File > Write DB log file
Enter “example0102.lgw”

Solution > Analysis Type > New Analysis

Press OK

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

15

Example – Define Loads
Solution > Define Loads > Apply > Structural > Displacement > On Keypoints
Select keypoint 1
Select All DOF to fix/clamp the beam

Press OK
ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

16

Example – Define Loads
Solution > Define Loads > Apply > Structural > Force/Moment > On Keypoints
Select keypoint 2

Select FY

Press OK to finish
ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

Enter -100
17

Example – Define Loads
Solution > Define Loads > Apply > Structural > Force/Moment > On Keypoints
Select keypoint 3

Select FY

Press OK to finish
ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

Enter -10
18

Example - Save
Display of Analysis model

Save the model
ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

19

Example - Solve
Solution > Solve > Current LS

Press OK

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

20

Example - PostProcessing
Solution > General Postproc > Plot Results > Deformed Shape

Select “Def+undeformed”
and Press OK

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

21

Example - PostProcessing

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

22

Example – Element Table

Press Add to add the first data line
ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

23

Example – Element Table

Scroll down in this menu to find the line “By sequence number”
ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

24

Example – Element Table

6

Press OK

Enter 6 as found in table 3.2
From table 3.2 MMOMZ, SMISC,6,66

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

25

Example – Element Table

Press Add to add the second data line
ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

26

Example – Element Table

Press OK

Enter 66 as found in table 3.7
From table 3.7 MMOMz, SMISC,6,66

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

27

Example – Element Table

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

28

Example – Plot Line-Element

Press OK

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

Change to SMIS66

29

Example – Plot Line-Element

ANSYS
Computational Mechanics, AAU, Esbjerg

Example0102

30


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