WS08 2D in Workbench 90

7/25/2019 WS08 2D in Workbench 90

1/10

9.0 New Features

Axisymmetric Analysis of a Pipe Assembly

Workbench 8

2-D Modeling in Workbench


2/10

9.0 New Features

Workshop

ANSYS v9.0

October 1, 2004Inventory #002157

WS82! 2004 "NSS, Inc.

2D Modeling

Goal

Set p axisymmetric analysis in Workbench!sol"e and postprocess#

Model Description

2D model of pipe assembly consisting of an

pper and lo$er drill string connected by a

stress %oint#

&lements'"$%sy&&etr%c '2() e*e&ents

(ontact' +se bone contact to s%&u*ate t-e

t-reas, rat-er t-an &oe*%n t-e& e$/*%c%t*y. +se

r%ct%on*ess contact or a** ot-er surace%nteract%ons.

)oads' Interna* ressure, to/ tens%on *oa

*eslts' on 3%ses, ra%a*, a$%a* an -oo/

stresses. ota* eor&at%on.

+//er Str%n

Stress o%nt

6ower Str%n

-reas

-reas


3/10

9.0 New Features

Workshop

ANSYS v9.0


WS8! 2004 "NSS, Inc.

2D Modeling in Workbench

Start A+S,S Workbench# n the Start

screen! next to .pen/! scroll do$n to

.DesignModeler Geometry/#

(lick .0ro$se/ in the lo$er right corner! and

bro$se to the file .pipeconnection#agdb/ and

click .pen/#


4/10

9.0 New Features

Workshop

ANSYS v9.0


WS84! 2004 "NSS, Inc.


(lick on the .Pro%ect/ tab to retrn to the

Pro%ect Page#

1nder .Defalt Geometry ptions/ click on

.Ad"anced Geometry Defalts/ to expand the

ad"anced options# (hange the .Analysis

ype/ to 2-D#

1nder .DesignModeler asks/! click .+e$

Simlation/#


5/10

9.0 New Features

Workshop

ANSYS v9.0


WS85! 2004 "NSS, Inc.

..2D Modeling in Workbench

(lose the Simlation Wi3ard#

(lick on .Geometry/ in the ree# (lick on

the first part 4.)o$er String/5! then hold

do$n the Shift key! and click the last part

4.1pper String/5! so that all parts are

highlighted#

6n the Details 7ie$! click the drop do$n box

next to .0eha"ior/ and change it to

.Axisymmetric/#


6/10

9.0 New Features

Workshop

ANSYS v9.0


WS8! 2004 "NSS, Inc.


(lick on .(ontact/ in the ree# 6n the Details

"ie$! click on the drop-do$n men next to

.Same 0ody Groping/ and change it to .+o/#

Select both contact pairs! then right-click and

select .Delete/# *ight-click on .(ontact/ in

the ree! and select .(reate Atomatic

(ontact/# his creates separate contact pairs

for each pair of lines in the model! and allo$ss to set different contact conditions for each#

(lick on (ontact *egion 2 in the ree 4this is

the contact bet$een the top of the )o$er

String and the Stress oint5# 6n the Details

7ie$! change the ype to .9rictionless/#

Do the same for (ontact *egions : and ;#


7/109.0 New Features

Workshop

ANSYS v9.0


WS87! 2004 "NSS, Inc.


(lick on .Mesh/ in the ree# 6n the Details 7ie$!

change the .Global (ontrol/ to .Ad"anced/# Set

the .&lement Si3e/ to



Workshop

ANSYS v9.0


WS88! 2004 "NSS, Inc.


(lick on .&n"ironment/ in the ree# 6n the

(ontext oolbar! select .Strctral/ then

.9rictionless Spport/# Set the selection

filter to .&dge/! then select the bottom edge

of the )o$er String# (lick .Apply/ in the

Details 7ie$#

Select .Strctral/ in the (ontext oolbar

again! then select .Pressre/# >old do$nthe (trl key and select the three lines on the

inside 4left-hand side5 of the assembly! then

click .Apply/ in the Details 7ie$# &nter a

Magnitde of ?

Select .Strctral/ in the (ontext oolbaragain! then select .9orce/# Select the top

edge of the 1pper String! then click .Apply/

in the Details 7ie$# (hange .Define 0y/ to

.(omponents/ in the Details 7ie$# &nter a

Magnitde of 8



Workshop

ANSYS v9.0


WS89! 2004 "NSS, Inc.

2D Analysis in Workbench

(hoose .Soltion/ in the ree# Select .Stress/

from the (ontext oolbar! then select

.&@i"alent 4"on-Mises5/# Also choose

.Deformation/ -- /otal/ from the toolbar! #

(lick .Sol"e/ from the toolbar#

nce the model is done sol"ing! click on

.&@i"alent Stress/ and .otal Deformation/ in

the ree to "ie$ the reslts#



Workshop

ANSYS v9.0


WS810! 2004 "NSS, Inc.


When modeling axisymmetric parts! $e

generally like to look at radial! axial and

hoop stresses# (lick on .Soltion/ in the

ree! then choose .Stress/ on the (ontext

oolbar# Select .+ormal/# 0y defalt! the

orientation of this stress reslt is the -

axis! $hich in an axisymmetric analysis! is

e@al to the *adial Stress# *ight-click on

.+ormal Stress/ in the ree! and click

.*ename/# (hange the name to .*adialStress/#

6nsert .+ormal Stress/ t$o more times# 6n

the second! change the rientation in the

Details 7ie$ to .,-axis/ and change the

name to .Axial Stress/# 9or the third+ormal stress! change the orientation to .B-

axis/ and rename it .>oop Stress/# (lick

.Sol"e/ and "ie$ these ne$ reslts items#

a%a* Stress "$%a* Stress :oo/ Stress

WS08 2D in Workbench 90

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