Difference between revisions of "Osdag/C2/Performing-an-Optimum-Design-in-Osdag/English"

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'''Title of the script:'' Performing an Optimum Design in Osdag
+
'''Title of the script: Performing an Optimum Design in Osdag'''
  
 
'''Author''': Monika Soni (script), Anandajith TS (recording)
 
'''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''
+
'''Keywords''': Osdag, optimum design, design check, member design, connection design, steel design optimisation, Tension member, database, GUI, video tutorial.
  
  
Line 12: Line 12:
 
|| Narration
 
|| Narration
 
|-  
 
|-  
|| '''Slide: '''Title Slide
+
|| '''Slide''':  
|| Welcome to the Spoken Tutorial on '''‘Performing an Optimum Design in Osdag’.'''
+
 
 +
'''Title Slide'''
 +
|| Welcome to the Spoken Tutorial on '''‘Performing an Optimum Design in Osdag’'''.
 
|-  
 
|-  
|| '''Slide: '''Learning Objectives
+
|| '''Slide''':  
 +
 
 +
'''Learning Objectives'''
 
|| In this tutorial, we will learn,
 
|| In this tutorial, we will learn,
 
* Difference between '''optimum design '''and '''design check '''
 
* Difference between '''optimum design '''and '''design check '''
 
* How to launch a '''design module'''  
 
* How to launch a '''design module'''  
 
  
 
|-  
 
|-  
|| '''Slide: '''Learning Objectives
+
|| '''Slide''':  
 +
 
 +
'''Learning Objectives'''
 
||  
 
||  
 
* Step by step process to perform an '''optimum design '''
 
* Step by step process to perform an '''optimum design '''
 
* How to review the results of an '''optimum design'''
 
* How to review the results of an '''optimum design'''
 
  
 
|-  
 
|-  
|| '''Slide: '''System Requirements
+
|| '''Slide''':  
 +
 
 +
'''System Requirements'''
 
|| To record this tutorial, I am using
 
|| To record this tutorial, I am using
 
* '''Windows 11 OS''', and
 
* '''Windows 11 OS''', and
* '''Osdag v2021.02.a.a12f'''
+
* '''Osdag version 2021(2021.02.a.a12f)'''
 
+
  
 
|-  
 
|-  
|| '''Slide:''' Pre-requisites
+
|| '''Slide''':
 
+
 
+
 
+
 
+
  
 +
''' Pre-requisites'''
  
 
[https://osdag.fossee.in/ https://spoken-tutorial.org]
 
[https://osdag.fossee.in/ https://spoken-tutorial.org]
Line 48: Line 50:
 
* Basic knowledge of '''structural steel design'''
 
* Basic knowledge of '''structural steel design'''
  
 
+
The prerequisite''' '''tutorials are available on this website.
 
+
 
+
 
+
The prerequisite''' '''tutorials are available on this website
+
 
|-  
 
|-  
 
|| Only narration
 
|| Only narration
 
|| The user interface of '''Osdag''' for '''Ubuntu Linux''', and for '''Windows '''is the same.
 
|| 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.
 
Annotations are added to the tutorial if there are any differences.
Line 63: Line 60:
 
|| Only narration
 
|| Only narration
 
|| In this '''tutorial, '''I will solve a '''sample design example''' to demonstrate Scenario 1.
 
|| In this '''tutorial, '''I will solve a '''sample design example''' to demonstrate Scenario 1.
 +
 
|-  
 
|-  
|| Show''' Osdag interface'''
+
|| Show ''' Osdag interface'''
 
|| I have already opened the '''Osdag software'''.
 
|| I have already opened the '''Osdag software'''.
 +
 
|-  
 
|-  
|| Point to the Tension Member module on the left.
+
|| Point to the '''Tension Member module''' on the left.
|| For this '''tutorial''', I will use the '''Tension Member''' '''module'''.
+
|| For this '''tutorial''', I will use the '''Tension Member module'''.
 
|-  
 
|-  
 
|| Click on the '''Tension Member''' '''button'''
 
|| Click on the '''Tension Member''' '''button'''
|| Click on the '''Tension Member''' '''button '''to select the '''module'''.
+
|| Click on the '''Tension Member''' button to select the '''module'''.
 
|-  
 
|-  
 
|| Point towards the image of '''Bolted to End Gusset '''and '''Welded to End Gusset'''
 
|| Point towards the image of '''Bolted to End Gusset '''and '''Welded to End Gusset'''
 
|| We can see the available '''sub-modules. '''They are;
 
|| We can see the available '''sub-modules. '''They are;
 +
 
* '''Bolted to End Gusset''', and
 
* '''Bolted to End Gusset''', and
 
* '''Welded to End Gusset.'''
 
* '''Welded to End Gusset.'''
 
  
 
|-  
 
|-  
 
|| Cursor on Bolted Connection.
 
|| Cursor on Bolted Connection.
|| Let us try the '''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
 
 
 
 
|| Click on the '''Bolted to End Gusset module '''image''' '''to select it.
 
|| Click on the '''Bolted to End Gusset module '''image''' '''to select it.
 
 
  
 
|-  
 
|-  
 
|| Click on the '''Start button'''
 
|| Click on the '''Start button'''
|| Then click the '''Start''' '''button '''below to load the '''module'''.
+
|| Then click the '''Start''' button below to load the '''module'''.
 
|-  
 
|-  
 
|| Only narration
 
|| Only narration
 
|| The '''home page''' of the '''design module''' will load dynamically.
 
|| The '''home page''' of the '''design module''' will load dynamically.
 
  
 
The process might take a few seconds.
 
The process might take a few seconds.
 
|-  
 
|-  
 
|| Point to the '''home page''' of the '''Tension Member Design - Bolted to End Gusset module'''
 
|| 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.
 
|| '''Home page''' of the '''Tension Member Design - Bolted to End Gusset module''' opens.
 
 
  
 
|-  
 
|-  
Line 113: Line 102:
 
|| Let’s try to understand the '''design''' procedure by solving a '''sample''' '''design example.'''
 
|| Let’s try to understand the '''design''' procedure by solving a '''sample''' '''design example.'''
 
|-  
 
|-  
|| '''Slide: '''Sample Design Example
+
|| '''Slide''':  
 +
 
 +
'''Sample Design Example'''
 
||  
 
||  
 
* '''Design''' a '''Tension Member''' with a '''bolted end connection'''
 
* '''Design''' a '''Tension Member''' with a '''bolted end connection'''
 
* The member carries a '''factored axial force '''of '''600 kN'''
 
* The member carries a '''factored axial force '''of '''600 kN'''
 
  
 
|-  
 
|-  
Line 123: Line 113:
 
|| Perform an '''optimum design''' by adopting the following '''design '''specifications:
 
|| Perform an '''optimum design''' by adopting the following '''design '''specifications:
  
 +
|-
 +
|| '''Slide''':
  
 
+
'''Sample Design Example'''
|-
+
|| '''Slide: '''Sample Design Example
+
 
||  
 
||  
  
Line 136: Line 126:
 
** '''Length: 3200 mm'''
 
** '''Length: 3200 mm'''
  
 +
|-
 +
|| '''Slide''':
  
|-
+
'''Sample Design Example'''
|| '''Slide: '''Sample Design Example
+
 
||  
 
||  
 
* '''End Connection:'''
 
* '''End Connection:'''
Line 147: Line 138:
 
** '''Gusset Plate: '''
 
** '''Gusset Plate: '''
 
*** '''Thickness: Most''' '''optimum'''
 
*** '''Thickness: Most''' '''optimum'''
 
  
 
|-  
 
|-  
Line 158: Line 148:
 
|| Point toward the '''Input Dock'''
 
|| Point toward the '''Input Dock'''
 
|| The '''Input Dock''' is on the left side of the '''GUI'''.
 
|| The '''Input Dock''' is on the left side of the '''GUI'''.
 
  
 
We will use it to define the inputs for our '''sample design.'''
 
We will use it to define the inputs for our '''sample design.'''
Line 172: Line 161:
 
|-
 
|-
 
|| Point towards the representative image.
 
|| Point towards the representative image.
 
 
 
 
|| The selected '''Section Profile''' can be confirmed by looking at the representative image.  
 
|| The selected '''Section Profile''' can be confirmed by looking at the representative image.  
 
|-
 
|-
Line 181: Line 167:
 
|-
 
|-
 
|| Point towards blank fields
 
|| Point towards blank fields
 
 
 
 
|| Other fields can simply be left without giving any input.
 
|| Other fields can simply be left without giving any input.
  
In this case, '''Osdag '''will consider '''default '''inputs for performing the '''design'''.
+
In this case, '''Osdag ''' will consider '''default '''inputs for performing the '''design'''.
 
|-
 
|-
 
|| Click on '''Conn_Location drop-down menu'''
 
|| Click on '''Conn_Location drop-down menu'''
Line 198: Line 181:
 
* '''All''' or
 
* '''All''' or
 
* The '''Customized''' option.
 
* The '''Customized''' option.
 
  
 
|-
 
|-
 
|| Select the All option and hold the mouse to display its selection.
 
|| 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'''.
 
|| Selecting '''All''' will perform the '''design '''with all the '''sections '''in the '''database'''.
 
  
 
The '''All''' option is used to perform an '''optimum design'''.  
 
The '''All''' option is used to perform an '''optimum design'''.  
Line 217: Line 198:
 
Point to Customized window.
 
Point to Customized window.
  
Point to '''Available''' and '''Selected '''sections.
+
Point to '''Available''' and '''Selected ''' sections.
|| Let us select the '''Customized '''option.
+
|| Let us select the '''Customized ''' option.
  
 
Customized window opens with '''Available''' and '''Selected '''sections.
 
Customized window opens with '''Available''' and '''Selected '''sections.
 
 
  
 
|-
 
|-
 
|| Point toward the '''Selected '''sections in the '''Customized window'''.
 
|| Point toward the '''Selected '''sections in the '''Customized window'''.
|| '''Selected '''section displays the list of standard section sizes from the '''database.'''
+
|| '''Selected ''' section displays the list of standard section sizes from the '''database'''.
 
+
 
+
  
 
|-
 
|-
Line 245: Line 222:
 
|| Click on the '''Material drop-down menu.'''
 
|| Click on the '''Material drop-down menu.'''
 
|| Click on the '''Material drop-down menu'''.
 
|| Click on the '''Material drop-down menu'''.
 
 
  
 
|-
 
|-
 
|| '''Scroll '''through the list
 
|| '''Scroll '''through the list
|| The list of standard '''material grades '''will open.
+
|| The list of standard '''material grades ''' will open.
 
|-
 
|-
 
|| Point towards the '''Custom '''option.
 
|| Point towards the '''Custom '''option.
Line 259: Line 234:
 
|-
 
|-
 
|| Type 3200 in the Length text box.
 
|| Type 3200 in the Length text box.
|| Type the '''Length '''of the '''member '''as 3200 '''mm'''.
+
|| Type the '''Length ''' of the '''member ''' as 3200 '''mm'''.
 
|-
 
|-
 
|| Point to '''Factored Loads'''.
 
|| Point to '''Factored Loads'''.
Line 265: Line 240:
 
|-
 
|-
 
|| Click in the '''Axial''' '''load textbox'''
 
|| Click in the '''Axial''' '''load textbox'''
|| The''' load''' values are defined using a '''textbox'''.
+
|| The ''' load''' values are defined using a '''textbox'''.
 
|-
 
|-
 
|| Type '''600''' in the text box.
 
|| Type '''600''' in the text box.
Line 279: Line 254:
 
* '''All''' or  
 
* '''All''' or  
 
* '''Customized'''.  
 
* '''Customized'''.  
 
  
 
|-  
 
|-  
|| Click on the '''Property Class drop-down menu '''and click again on it to close the list
+
|| Click on the '''Property Class drop-down menu ''',
|| Similarly, for the '''Property Class,''' we can choose between
+
 
 +
and click again on it to close the list
 +
|| Similarly, for '''Property Class,''' we can choose between
 
* '''All''' or  
 
* '''All''' or  
 
* '''Customized'''.  
 
* '''Customized'''.  
 
  
 
|-  
 
|-  
 
|| Select '''All '''option and hold the mouse to show its selection.
 
|| Select '''All '''option and hold the mouse to show its selection.
|| Selecting '''All''' will give an '''optimum bolt design''' with respect to
+
|| Selecting '''All''' will give an '''optimum bolt design''' with respect to,
 
* '''Diameter'''
 
* '''Diameter'''
 
* '''Grade''' and
 
* '''Grade''' and
 
* Number of '''bolts'''.
 
* Number of '''bolts'''.
 
  
 
|-  
 
|-  
 
|| Select the '''Customized '''option and hold the mouse to show its selection.
 
|| 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'''.
 
|| We can also check the '''design '''with a specific '''Bolt diameter''' and '''grade'''.
 
  
 
Desired '''connectors '''can be specified by using the '''Customized '''option.
 
Desired '''connectors '''can be specified by using the '''Customized '''option.
 
|-  
 
|-  
|| Click on the''' Diameter drop-down menu'''
+
|| Click on the''' Diameter drop-down menu'''.
|| For an optimum '''bolt design''' we should select the '''All '''option.
+
|| For an optimum '''bolt design''' we should select the '''All ''' option.
 
|-  
 
|-  
 
|| Select '''All '''option.
 
|| Select '''All '''option.
|| I will select the '''All '''option.
+
|| I will select the '''All ''' option.
 
|-  
 
|-  
 
|| Click on the''' Type drop-down menu.'''
 
|| Click on the''' Type drop-down menu.'''
Line 313: Line 286:
 
|-  
 
|-  
 
|| Select '''Bearing Bolt'''
 
|| Select '''Bearing Bolt'''
|| Select''' Bearing Bolt''' from the''' menu.'''  
+
|| Select''' Bearing Bolt''' from the''' menu'''.
 
|-  
 
|-  
|| Click on the '''Property Class drop-down menu.'''
+
|| Click on the '''Property Class drop-down menu'''.
 
|| Similarly, for an '''optimum property class,''' we should select the '''All '''option.
 
|| Similarly, for an '''optimum property class,''' we should select the '''All '''option.
 
|-  
 
|-  
|| Select '''All '''option.
+
|| Select '''All ''' option.
 
+
|| Select the '''All ''' option.
 
+
 
+
|| Select the '''All '''option.
+
 
|-  
 
|-  
 
|| Click on the '''Thickness drop-down menu'''
 
|| Click on the '''Thickness drop-down menu'''
Line 328: Line 298:
 
|-  
 
|-  
 
|| Select '''All '''option under Plate.
 
|| Select '''All '''option under Plate.
 
+
|| We will again select '''All ''' for an '''optimum plate ''' design.
 
+
 
+
|| We will again select '''All '''for an '''optimum plate '''design.
+
 
|-  
 
|-  
 
|| Move the cursor on all the inputs from top to bottom.
 
|| Move the cursor on all the inputs from top to bottom.
 
|| We have entered all the inputs in the '''Input Dock'''.
 
|| We have entered all the inputs in the '''Input Dock'''.
 
  
 
Once all the inputs are entered correctly we are ready to perform the '''design'''.
 
Once all the inputs are entered correctly we are ready to perform the '''design'''.
 
|-  
 
|-  
 
|| Click on the '''Design''' '''button'''
 
|| Click on the '''Design''' '''button'''
|| Click on the '''Design button '''at the bottom to start the '''design'''.
+
|| Click on the '''Design button ''' at the bottom to start the '''design'''.
 
|-  
 
|-  
 
|| Point to the progress bar at the top.
 
|| Point to the progress bar at the top.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
|| The '''progress bar''' will show the '''status '''of the '''design'''.
 
|| The '''progress bar''' will show the '''status '''of the '''design'''.
 
  
 
The '''design process''' takes some time depending on the input values.
 
The '''design process''' takes some time depending on the input values.
 
  
 
Typically, '''optimum design''' takes more time,
 
Typically, '''optimum design''' takes more time,
 
  
 
As It runs many iterations before selecting an '''optimal solution'''.
 
As It runs many iterations before selecting an '''optimal solution'''.
 
|-  
 
|-  
 
|| Point toward the '''log messages'''
 
|| Point toward the '''log messages'''
|| The '''log message''' indicates that the '''design '''is '''safe'''.
+
|| The '''log message''' indicates that the '''design ''' is safe.
 
+
  
 
This means that the '''design '''is complete.
 
This means that the '''design '''is complete.
Line 384: Line 329:
 
|-  
 
|-  
 
|| Point towards the '''Output Dock'''
 
|| Point towards the '''Output Dock'''
 
+
|| The '''Output Dock''' is populated with the '''design''' results as our '''design '''is safe.
 
+
 
+
|| The '''Output Dock''' is populated with the '''design''' results as our '''design '''is '''safe'''.
+
 
+
 
+
  
 
|-  
 
|-  
Line 402: Line 342:
 
|-  
 
|-  
 
|| Point towards '''Designation'''
 
|| Point towards '''Designation'''
|| For our '''sample design''', the '''optimum section''' is '''LC 125.'''
+
|| For our '''sample design''', the '''optimum section''' is '''LC 125'''.
 
|-  
 
|-  
 
|| Point towards '''capacity details'''
 
|| Point towards '''capacity details'''
|| The various '''capacity details''' and the '''efficiency '''of this '''section '''are listed.
+
|| The various '''capacity details''' and the '''efficiency '''of this '''section ''' are listed.
 
|-  
 
|-  
 
|| Point towards the '''Shear Pattern''' button.
 
|| Point towards the '''Shear Pattern''' button.
 
|| The '''Shear Pattern '''shows the '''Member Block Shear '''failure '''Pattern'''.  
 
|| The '''Shear Pattern '''shows the '''Member Block Shear '''failure '''Pattern'''.  
 
|-  
 
|-  
|| Click on the '''Shear Pattern '''button.
+
|| Click on the '''Shear Pattern ''' button.
 
|| Click on the '''Shear Pattern '''button.
 
|| Click on the '''Shear Pattern '''button.
 
|-  
 
|-  
Line 416: Line 356:
  
 
Point to the pattern.
 
Point to the pattern.
|| The '''Shear Pattern window '''opens.
+
|| The '''Shear Pattern window ''' opens.
 
+
  
 
We see a typical and representative image of the '''Member Block Shear Pattern'''.
 
We see a typical and representative image of the '''Member Block Shear Pattern'''.
Line 425: Line 364:
 
|-  
 
|-  
 
|| Point towards '''End Connection'''
 
|| Point towards '''End Connection'''
|| The '''member design''' also includes the '''design '''of''' '''the '''End Connection'''.  
+
|| The '''member design''' also includes the '''design '''of the '''End Connection'''.  
 
|-  
 
|-  
 
|| Point towards '''Bolt Details''' and '''Gusset Plate Details'''
 
|| Point towards '''Bolt Details''' and '''Gusset Plate Details'''
Line 445: Line 384:
 
|-  
 
|-  
 
|| Click on the cross field at the right corner of the '''Spacing Details window'''
 
|| Click on the cross field at the right corner of the '''Spacing Details window'''
|| Close the '''Spacing Details window.'''
+
|| Close the '''Spacing Details window'''.
 
|-  
 
|-  
 
|| Scroll down in the '''Output Dock'''
 
|| Scroll down in the '''Output Dock'''
Line 460: Line 399:
 
|-  
 
|-  
 
|| Only narration
 
|| Only narration
|| We will learn how to create a '''design report '''in another tutorial.
+
|| We will learn how to create a '''design report ''' in another tutorial.
 
|-  
 
|-  
|| Only narration
+
|| Only Narration
 
|| This brings us to the end of the tutorial.  
 
|| This brings us to the end of the tutorial.  
  
Line 468: Line 407:
 
Let us summarize.
 
Let us summarize.
 
|-  
 
|-  
|| '''Slide: '''Summary
+
|| '''Slide''':  
 +
 
 +
'''Summary'''
 
|| In this tutorial, we have
 
|| In this tutorial, we have
 
* Launched a '''design module'''
 
* Launched a '''design module'''
 
* Learnt step by step process to perform an '''optimum design '''
 
* Learnt step by step process to perform an '''optimum design '''
 
* Reviewed the results of an '''optimum design'''
 
* Reviewed the results of an '''optimum design'''
 
  
 
|-  
 
|-  
|| '''Slide: '''Assignment
+
|| '''Slide''':  
 +
 
 +
'''Assignment
 
|| As an assignment, please do the following
 
|| As an assignment, please do the following
 
* Design a '''Tension Member''' with a '''welded '''end connection
 
* Design a '''Tension Member''' with a '''welded '''end connection
 
* The member carries a '''factored axial force '''of 235 '''kN'''
 
* The member carries a '''factored axial force '''of 235 '''kN'''
 
  
 
|-  
 
|-  
|| '''Slide: '''Assignment
+
|| '''Slide''':  
 +
 
 +
'''Assignment'''
 
|| Perform an '''optimum design''' by adopting the following design specifications
 
|| Perform an '''optimum design''' by adopting the following design specifications
 
|-  
 
|-  
|| '''Slide: '''Assignment
+
|| '''Slide''':  
 +
 
 +
'''Assignment'''
 
||  
 
||  
 
* '''Section:'''
 
* '''Section:'''
Line 495: Line 440:
 
** '''Length: 2560 mm'''
 
** '''Length: 2560 mm'''
 
* '''Gusset Plate: Most optimum'''
 
* '''Gusset Plate: Most optimum'''
 
  
 
|-
 
|-
|| '''Slide: '''About Spoken Tutorial Project
+
|| '''Slide''':  
 +
 
 +
'''About Spoken Tutorial Project'''
 
|| The video at the following link summarizes the Spoken Tutorial Project
 
|| The video at the following link summarizes the Spoken Tutorial Project
 
  
 
Please download and watch it
 
Please download and watch it
 
|-
 
|-
|| '''Slide:'''Spoken Tutorial Workshops
+
|| '''Slide''':
 +
 
 +
'''Spoken Tutorial Workshops'''
 
|| The Spoken Tutorial Project team conducts workshops and gives certificates
 
|| The Spoken Tutorial Project team conducts workshops and gives certificates
  
Line 510: Line 457:
 
For more details, please write to us
 
For more details, please write to us
 
|-
 
|-
|| '''Slide:'''Answers for THIS Spoken Tutorial
+
|| '''Slide''':
 +
 
 +
'''Answers for THIS Spoken Tutorial'''
 
|| Please post your timed queries in this forum
 
|| Please post your timed queries in this forum
 
|-
 
|-
|| '''Slide: '''FOSSEE Forum
+
|| '''Slide''':  
 +
 
 +
'''FOSSEE Forum'''
 
|| For any general or technical questions on Osdag, visit the FOSSEE forum and post your question
 
|| For any general or technical questions on Osdag, visit the FOSSEE forum and post your question
 
|-
 
|-
|| '''Slide: '''Sample Design Examples
+
|| '''Slide''':
 
+
 
+
  
 +
'''Sample Design Examples'''
  
 
https://osdag.fossee.in/resources/sample-design
 
https://osdag.fossee.in/resources/sample-design
Line 526: Line 476:
 
* The '''Osdag '''team at '''FOSSEE '''creates '''sample design examples''' for self-learning
 
* The '''Osdag '''team at '''FOSSEE '''creates '''sample design examples''' for self-learning
 
* These examples can be practised using the '''Osdag''' '''software'''
 
* 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]
+
* For more details, please visit this link  
 +
 
 +
[https://osdag.fossee.in/resources/sample-design https://osdag.fossee.in/resources/sample-design]
  
  
 
|-
 
|-
|| '''Slide: '''Acknowledgement
+
|| '''Slide: '''
 +
 
 +
'''Acknowledgement'''
 
|| The '''Spoken''' '''Tutorial''' project is funded by the '''Ministry of Education''', Government of India
 
|| The '''Spoken''' '''Tutorial''' project is funded by the '''Ministry of Education''', Government of India
 
|-
 
|-
|| '''Slide: '''Thank you
+
|| '''Slide''':  
 +
 
 +
'''Thank you'''
 
|| This is '''Anandajith TS''', FOSSEE IIT Bombay signing off
 
|| This is '''Anandajith TS''', FOSSEE IIT Bombay signing off
  

Latest revision as of 12:24, 8 August 2023

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.


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 version 2021(2021.02.a.a12f)
Slide:

Pre-requisites

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 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


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

Contributors and Content Editors

Anandajitht, Danish, Madhurig