View source for Osdag/C2/Performing-an-Optimum-Design-in-Osdag/English

'''Title of the script:'' Performing an Optimum Design in Osdag

'''Author''': Monika Soni (script), Anandajith TS (recording)

'''Keywords:'' '''Osdag, optimum design, design check, member design, connection design, steel design optimisation, Tension member, database, GUI, video tutorial''



{| border=1
|- 
|| Visual Cue
|| Narration
|- 
|| '''Slide: '''Title Slide
|| Welcome to the Spoken Tutorial on '''‘Performing an Optimum Design in Osdag’.'''
|- 
|| '''Slide: '''Learning Objectives
|| In this tutorial, we will learn,
* Difference between '''optimum design '''and '''design check '''
* How to launch a '''design module''' 


|- 
|| '''Slide: '''Learning Objectives
|| * Step by step process to perform an '''optimum design '''
* How to review the results of an '''optimum design'''


|- 
|| '''Slide: '''System Requirements
|| To record this tutorial, I am using
* '''Windows 11 OS''', and
* '''Osdag v2021.02.a.a12f'''


|- 
|| '''Slide:''' Pre-requisites






[https://osdag.fossee.in/ https://spoken-tutorial.org]
|| To follow this tutorial you should have* '''Osdag''' installed on your system, and
* Basic knowledge of '''structural steel design'''





The prerequisite''' '''tutorials are available on this website
|- 
|| Only narration
|| The user interface of '''Osdag''' for '''Ubuntu Linux''', and for '''Windows '''is the same.


Annotations are added to the tutorial if there are any differences.

|- 
|| Only narration
|| In this '''tutorial, '''I will solve a '''sample design example''' to demonstrate Scenario 1.
|- 
|| Show''' Osdag interface'''
|| I have already opened the '''Osdag software'''.
|- 
|| Point to the Tension Member module on the left.
|| For this '''tutorial''', I will use the '''Tension Member''' '''module'''.
|- 
|| Click on the '''Tension Member''' '''button'''
|| Click on the '''Tension Member''' '''button '''to select the '''module'''.
|- 
|| Point towards the image of '''Bolted to End Gusset '''and '''Welded to End Gusset'''
|| We can see the available '''sub-modules. '''They are;
* '''Bolted to End Gusset''', and
* '''Welded to End Gusset.'''


|- 
|| Cursor on Bolted Connection.
|| Let us try the '''bolted connection'''.
|- 
|| Click on the '''Bolted to End Gusset module '''image



|| Click on the '''Bolted to End Gusset module '''image''' '''to select it.



|- 
|| Click on the '''Start button'''
|| Then click the '''Start''' '''button '''below to load the '''module'''.
|- 
|| Only narration
|| The '''home page''' of the '''design module''' will load dynamically.


The process might take a few seconds.
|- 
|| Point to the '''home page''' of the '''Tension Member Design - Bolted to End Gusset module'''



|| '''Home page''' of the '''Tension Member Design - Bolted to End Gusset module''' opens.



|- 
|| Only narration
|| Let’s try to understand the '''design''' procedure by solving a '''sample''' '''design example.'''
|- 
|| '''Slide: '''Sample Design Example
|| 
* '''Design''' a '''Tension Member''' with a '''bolted end connection'''
* The member carries a '''factored axial force '''of '''600 kN'''


|- 
|| '''Slide: '''Sample Design Example
|| Perform an '''optimum design''' by adopting the following '''design '''specifications:



|- 
|| '''Slide: '''Sample Design Example
|| 

* '''Section:''' 
** '''Profile: Back to Back Channels'''
** '''Connection Location: Web'''
** '''Section Size: Most''' '''optimum'''
** '''Material Grade: E 250 (Fe 410 W)A'''
** '''Length: 3200 mm'''


|- 
|| '''Slide: '''Sample Design Example
|| 
* '''End Connection:'''
** '''Connector: '''
*** '''Type: Bolted'''
*** '''Bolt Type: Bearing Bolt'''
*** '''Diameter and Grade: Most''' '''optimum'''
** '''Gusset Plate: '''
*** '''Thickness: Most''' '''optimum'''


|- 
|| Switch back to '''Osdag'''
|| Let us switch back to '''Osdag'''.
|- 
|| Only narration
|| I will start filling the '''Input Dock''' for our '''sample design'''.
|- 
|| Point toward the '''Input Dock'''
|| The '''Input Dock''' is on the left side of the '''GUI'''.


We will use it to define the inputs for our '''sample design.'''
|- 
|| Click on the '''Section Profile drop-down menu'''
|| Click on the '''Section Profile''' '''drop-down''' '''menu'''.
|- 
|| Point to all the options in the list.
|| The available standard '''section profiles '''get listed.
|- 
|| Select '''Back to Back Channels '''
|| Select '''Back to Back Channels '''from the list.
|-
|| Point towards the representative image.



|| The selected '''Section Profile''' can be confirmed by looking at the representative image. 
|-
|| Point towards the '''asterisk '''near '''Section Profile, Conn_Location, Length (mm)'''
|| The fields marked with an '''asterisk '''are mandatory user inputs.
|-
|| Point towards blank fields



|| Other fields can simply be left without giving any input.

In this case, '''Osdag '''will consider '''default '''inputs for performing the '''design'''.
|-
|| Click on '''Conn_Location drop-down menu'''
|| Click on the '''Conn_Location''' '''drop-down menu'''.
|-
|| Select '''Web'''
|| Select '''Web '''from the list.
|-
|| Click on the '''Section Size drop-down menu'''
|| For the '''Section Size''', we can either choose to perform the '''design '''with
* '''All''' or
* The '''Customized''' option.


|-
|| Select the All option and hold the mouse to display its selection.
|| Selecting '''All''' will perform the '''design '''with all the '''sections '''in the '''database'''.


The '''All''' option is used to perform an '''optimum design'''. 
|-
|| Only narration
|| We can also perform a '''design check''' by choosing specific '''sections'''.


Desired sections can be selected from the '''Customized '''option.
|-
|| Select the '''Customized''' option.

Point to Customized window.

Point to '''Available''' and '''Selected '''sections.
|| Let us select the '''Customized '''option.

Customized window opens with '''Available''' and '''Selected '''sections.



|-
|| Point toward the '''Selected '''sections in the '''Customized window'''.
|| '''Selected '''section displays the list of standard section sizes from the '''database.'''



|-
|| Click on the cross field at the right corner
|| Now, close the '''Customized window'''.
|-
|| Click on the '''Section Size drop-down menu'''
|| We will go back to the '''Section Size drop-down menu.'''
|-
|| Select '''All '''option.
|| And, select '''All''' for our '''design example'''.
|-
|| Point to '''Material'''.
|| Let us now specify the '''Material grade'''.
|-
|| Click on the '''Material drop-down menu.'''
|| Click on the '''Material drop-down menu'''.



|-
|| '''Scroll '''through the list
|| The list of standard '''material grades '''will open.
|-
|| Point towards the '''Custom '''option.
|| '''Custom material properties''' can be defined and saved by using the '''Custom '''option. 
|-
|| Scroll up and select '''E 250 (Fe 410 W)A'''
|| I will select '''E 250 (Fe 410 W)A''' option.
|-
|| Type 3200 in the Length text box.
|| Type the '''Length '''of the '''member '''as 3200 '''mm'''.
|-
|| Point to '''Factored Loads'''.
|| Let us now define the '''Factored Loads'''.
|-
|| Click in the '''Axial''' '''load textbox'''
|| The''' load''' values are defined using a '''textbox'''.
|-
|| Type '''600''' in the text box.
|| Enter the value of '''Axial load '''as 600 '''kN'''.
|-
|| Only narration
|| Let us now give input for the '''connector'''.
|- 
|| Click on the '''Bolt Diameter drop-down menu '''

And click again on it to close the list
|| For the '''Bolt Diameter,''' we can choose between
* '''All''' or 
* '''Customized'''. 


|- 
|| Click on the '''Property Class drop-down menu '''and click again on it to close the list
|| Similarly, for the '''Property Class,''' we can choose between
* '''All''' or 
* '''Customized'''. 


|- 
|| Select '''All '''option and hold the mouse to show its selection.
|| Selecting '''All''' will give an '''optimum bolt design''' with respect to
* '''Diameter'''
* '''Grade''' and
* Number of '''bolts'''.


|- 
|| Select the '''Customized '''option and hold the mouse to show its selection.
|| We can also check the '''design '''with a specific '''Bolt diameter''' and '''grade'''.


Desired '''connectors '''can be specified by using the '''Customized '''option.
|- 
|| Click on the''' Diameter drop-down menu'''
|| For an optimum '''bolt design''' we should select the '''All '''option.
|- 
|| Select '''All '''option.
|| I will select the '''All '''option.
|- 
|| Click on the''' Type drop-down menu.'''
|| The '''Type drop-down menu''' lists the standard types of bolts.
|- 
|| Select '''Bearing Bolt'''
|| Select''' Bearing Bolt''' from the''' menu.''' 
|- 
|| Click on the '''Property Class drop-down menu.'''
|| Similarly, for an '''optimum property class,''' we should select the '''All '''option.
|- 
|| Select '''All '''option.



|| Select the '''All '''option.
|- 
|| Click on the '''Thickness drop-down menu'''
|| The '''Thickness drop-down menu''' lists the plates of standard thickness.
|- 
|| Select '''All '''option under Plate.



|| We will again select '''All '''for an '''optimum plate '''design.
|- 
|| Move the cursor on all the inputs from top to bottom.
|| We have entered all the inputs in the '''Input Dock'''.


Once all the inputs are entered correctly we are ready to perform the '''design'''.
|- 
|| Click on the '''Design''' '''button'''
|| Click on the '''Design button '''at the bottom to start the '''design'''.
|- 
|| Point to the progress bar at the top.

















|| The '''progress bar''' will show the '''status '''of the '''design'''.


The '''design process''' takes some time depending on the input values.


Typically, '''optimum design''' takes more time,


As It runs many iterations before selecting an '''optimal solution'''.
|- 
|| Point toward the '''log messages'''
|| The '''log message''' indicates that the '''design '''is '''safe'''.


This means that the '''design '''is complete.
|- 
|| Point towards the '''Output Dock''' and the '''CAD window'''
|| The '''Output Dock''' and '''CAD window''' become active only if the '''design '''is successful.
|- 
|| Point towards the '''CAD window'''
|| The''' CAD window''' will display the '''3D CAD model''' of the designed '''component'''.
|- 
|| Point towards the '''Output Dock'''



|| The '''Output Dock''' is populated with the '''design''' results as our '''design '''is '''safe'''.



|- 
|| Only narration
|| Let us now interpret the design results.
|-
|| Move the cursor towards the '''Output Dock'''
|| Go to the '''Output Dock'''.
|- 
|| Point towards '''Section Details'''
|| The results of the '''optimum section''' are shown in '''Section Details'''.
|- 
|| Point towards '''Designation'''
|| For our '''sample design''', the '''optimum section''' is '''LC 125.'''
|- 
|| Point towards '''capacity details'''
|| The various '''capacity details''' and the '''efficiency '''of this '''section '''are listed.
|- 
|| Point towards the '''Shear Pattern''' button.
|| The '''Shear Pattern '''shows the '''Member Block Shear '''failure '''Pattern'''. 
|- 
|| Click on the '''Shear Pattern '''button.
|| Click on the '''Shear Pattern '''button.
|- 
||Cursor in the window.

Point to the pattern.
|| The '''Shear Pattern window '''opens.


We see a typical and representative image of the '''Member Block Shear Pattern'''.
|- 
|| Click on the cross field at the right corner of the '''Shear Pattern window'''
|| Close the '''Shear Pattern window.'''
|- 
|| Point towards '''End Connection'''
|| The '''member design''' also includes the '''design '''of''' '''the '''End Connection'''. 
|- 
|| Point towards '''Bolt Details''' and '''Gusset Plate Details'''
|| It displays '''Bolt Details '''and '''Gusset Plate Details''' respectively.
|- 
|| Point towards the '''Spacing Details''' button.
|| The '''Spacing Details button '''shows the '''Spacing Details'''. 
|- 
|| Click on the '''Spacing Details button.'''
|| Click on the '''Spacing Details button.'''
|- 
|| Cursor in the window.

Point to the pattern.
|| The '''Spacing Details window '''will open.


We see a typical and representative image of '''Spacing Details'''.
|- 
|| Click on the cross field at the right corner of the '''Spacing Details window'''
|| Close the '''Spacing Details window.'''
|- 
|| Scroll down in the '''Output Dock'''
|| '''Scroll '''down for more results.
|- 
|| Point towards the '''Intermittent Connection field'''
|| Details pertaining to the '''Intermittent Connection''' are also shown.
|- 
|| Point toward the '''Create Design Report button '''below
|| The outputs for a '''design '''can be saved using the '''Create Design Report''' '''button'''.
|- 
|| Only narration
|| All the '''design checks''' are echoed in detail in the '''design report'''.
|- 
|| Only narration
|| We will learn how to create a '''design report '''in another tutorial.
|- 
|| Only narration
|| This brings us to the end of the tutorial. 


Let us summarize.
|- 
|| '''Slide: '''Summary
|| In this tutorial, we have
* Launched a '''design module'''
* Learnt step by step process to perform an '''optimum design '''
* Reviewed the results of an '''optimum design'''


|- 
|| '''Slide: '''Assignment
|| As an assignment, please do the following
* Design a '''Tension Member''' with a '''welded '''end connection
* The member carries a '''factored axial force '''of 235 '''kN'''


|- 
|| '''Slide: '''Assignment
|| Perform an '''optimum design''' by adopting the following design specifications
|- 
|| '''Slide: '''Assignment
|| 
* '''Section:'''
** '''Profile: Angles'''
** '''Connection Location: Longer leg'''
** '''Section Size: Most optimum'''
** '''Material Grade: E 250 (Fe 410 W)A'''
** '''Length: 2560 mm'''
* '''Gusset Plate: Most optimum'''


|-
|| '''Slide: '''About Spoken Tutorial Project
|| The video at the following link summarizes the Spoken Tutorial Project


Please download and watch it
|-
|| '''Slide:'''Spoken Tutorial Workshops
|| The Spoken Tutorial Project team conducts workshops and gives certificates


For more details, please write to us
|-
|| '''Slide:'''Answers for THIS Spoken Tutorial
|| Please post your timed queries in this forum
|-
|| '''Slide: '''FOSSEE Forum
|| For any general or technical questions on Osdag, visit the FOSSEE forum and post your question
|-
|| '''Slide: '''Sample Design Examples




https://osdag.fossee.in/resources/sample-design

|| 
* The '''Osdag '''team at '''FOSSEE '''creates '''sample design examples''' for self-learning
* These examples can be practised using the '''Osdag''' '''software'''
* For more details, please visit this link [https://osdag.fossee.in/resources/sample-design https://osdag.fossee.in/resources/sample-design]


|-
|| '''Slide: '''Acknowledgement
|| The '''Spoken''' '''Tutorial''' project is funded by the '''Ministry of Education''', Government of India
|-
|| '''Slide: '''Thank you
|| This is '''Anandajith TS''', FOSSEE IIT Bombay signing off


Thanks for joining
|-
|}