MODELLING

Sample data: Download


Problem: This problem involves making model. The frame has size and loading as show below.

  1. Create point and add line:

    • Under [Geo] tab select [Node] tab.

    • In the coordinate box, input coordinate of node. Pres [Enter] to accept.

    • In screen, click right mouse and select [Add line]. Pick two node to add line. (Or select Line tab and input two node of line.)

Table of node coordinate:

Node ID

X

Y

Z

1

500

600

0

2

500

0

0

3

650

0

0

4

950

0

0

5

1150

0

0

6

1450

0

0

7

2100

0

0

8

2100

600

0

Table of lines:

Line ID

Node 1

Node 2

1

1

2

2

2

3

3

3

4

4

4

5

5

5

6

6

6

7

7

7

8

  1. Boundary:

    • Left click node [1] and right click in screen.

    • Select [BC].

    • Select [All] and click [Ok].

    • Replace with node 8.

  1. Loading:

    • Under [Load] tab, select [General] tab and click [Add new load].

    • Select [No.1] tab.

    • In screen [Right click] and select [Display] > [Node] for [Hide ] the Nodes.

    • Under [No.1] tab, in [Pressure] table input the following element id, value and direction of pressure.

    • In Acceleration factors table input Global x-component = 7, Global y-component = -4.5, Global z-component = 1.85.

Table of pressures:

ELEMENT

VALUE

DIRECTION

3

36

x

3

23

y

3

10

z

5

36

x

5

23

y

5

10

z

  1. Material:

    • Under tab [Ele.], select [Material] tab and click on [Material type], select [ SS400].

  1. Export template file:

    • Click [File] > [Export] template file.

    • Input [File name] then click [Save].

  1. Description of keywork input:

    • Open file save Model-001.txt in step 5.

Definition of function:

  • Starting with % signs are the note.

Table of table definition:

FUNCTION

DEFINITION

SATEC,F3D

+ SATEC: Soft's name

+ F3D: Type of analysis is FEM 3D

mat,1,ss400

+ mat: material

+ 1: Material ID

+ ss400: type of material

p,id,x,y,z

+ p: point

+ id: point ID

+ x,y,z are point coordinate

L,id,node1,node2

+ L: line

+ id: Line ID

+ node1 and node2: first point and second point of line. Use node ID for node1 and node 2.

bc,id,dof

+ bc: boundary conditions

+ id: point ID where put boundary.

+ dof: degrees of freedom (all is fixed 6 dof Ux, Uy, Uz, Rotx, Roty, Rotz)

pr,case,element,value,direction

+ pr: pressure.

+ Case: Load case

+ Element: Line ID where put pressure.

+ value: value of pressure.

+ direction: x-direction, y-direction or z-direction.

G,case,x-value,y-value,z-value

+ G: Gravity

+ case: Load case.

+ x-value, y-value and z-value are value gravity follow derection x,y,z.

F,case,node,Fx,Fy,Fz

+ F: Force.

+ case: Load case

+ node: force node.

+ Fx,Fy,Fz: direction value of force.

M,case,node,Mx,My,Mz

+ M: Moment.

+ case: Load case

+ node: moment node.

+ Mx,My,Mz: direction value of moment.

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DRAWING

Sample data: Download


Problem: This problem involves drawing tools. The frame has size and loading as show below.

  1. Input model File:

Start SATec and activate the File>Input function of the main menu, to read the model file. The File Manager window appears. Navigate and select the file Model-001.txt.


We have a Model

  1. Create a Section:

    • Select tab [Ele.] > [Sections], under label [Input] click on drop down box and select [Channel] section.

    • [Dimension] is select [75x40] and [Thickness] is select [5x7x8x4].

    • Click [Apply].

    • Select [3D] view to see 3D model.

    • 3D model:

  1. Group element:

    • In [Ele.] tab click [Element] tab.

    • Click on [Select]. Screen pick beam G2, G3, G4, G5 and G6. Select [2D_GL] to show a label of beam.

    • Cick [Accept] to creat a group.

    • Click [2D_GL] againt and rotate beam G1 an angle of [1800].

    • Click [3D] to show a new model.

  1. Create a welding:

    • Click [Connectors] tab.

    • Click [Select]. In screen click beam G2].

    • Choose [Type 1] and check in [Bottom].

    • In drop down box choose value [1] and click [Apply].

    • Replace with beam G3, but in drop down box select value [-1].


We have:

  1. Drawing:

    • Select tab [Draw].

    • Under tab [Draw] click [CheckView].

    • Click in [Y-shift] and input [3].

    • Click on for scale model. Input [2] as the scale factor dialog box then click [Ok].

    • Select [Topview]. Screen click two point, in dialog box [Input A]. Replace to make View [B].

    • In [Layout] table, click in [View 1] and input [A], click in [View 2] and input [B].


    • Select

    • Click Export.

    • Fill a File name "DRW-001" and click Save.



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BOLT AND PLATE

Sample data: Download


Problem: This problem involves using bolt and plate tools. The frame has size and loading as show below.







  1. Input model File:

Start SATec and activate the File>Input function of the main menu, to read the model file. The File Manager window appears. Navigate and select the file Model-001.txt.




We have a Model


  1. Create a Section:

    • Select tab [Ele] > [Sections], under label [Input] click on drop down box and select [Chanel] section.

    • [Dimension] is select [75x40] and [Thickness] is select [5x7x8x4].

    • Click [Apply].

    • Select [3D] view to see 3D model.



    • 3D Model



  1. Group element:

    • In [Ele.] tab click [Element] tab.

    • Click on [Select]. Screen pick beam G2, G3, G4, G5 and G6. Select [2D_GL] to show a label of beam.

    • Click [Accept] to creat a group.


    • Click [2D_GL] again and rotate beam G1 with angle of 180o.


  1. Create a welding:

    • Click [Connectors] tab.

    • Click [Select]. In screen click beam G2.

    • Choose [Type 1] and check in [Bottom].

    • In drop down box choose value [1] and click [Apply].

    • Replace with beam G3, but in drop down box select value -1.




We have:



  1. Drawing:

    • Select tab [Draw].

    • Under tab [Draw] click [CheckView].

    • Click in [Y-shift] and fill [1].

    • Select [Topview]. Screen click two point, in dialog box [Input] fill [A]. Replace to make View [B].

    • In Layout table, click in [View 1] and fill [A], click in [View 2] and fill [B].




  1. Bolt and Plate:

    • Select [Connectors] tab.

    • Under [Connectors] tab select [Bolt & PL] tab.

    • In screen, [left click] in Fixed to change color of fixed to red.

    • Right click and select [Select].

    • Check in first picture and click [Ok].

    • Replace from step 3 to step 7 fo all Fixed.




    • Return [Bolt & PL] tab.

    • Click [Calculate].

    • Select [Load Case] is [1].

    • Under [PL and Bolt type] click bottom and select type [M-1] .

    • Click [Ok] and [Assign].

    • Replace for support 8.




    • Select

    • Click [Export].

    • Fill a [File name] "DRW-001" and click [Save].





    • Open DRW-001.dxf file. No. 3 and 4 are plate and bolt.




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WELDING

Sample data: Download


Problem: This problem involves using welding tools. The frame has size and loading as show below.




  1. Input model File:

Start SATec and activate the File>Input function of the main menu, to read the model file. The File Manager window appears. Navigate and select the file Model-001.txt.


We have a Model

  1. Create a Section:

    • Select tab [Ele.] > [Sections], under label [Input] click on drop down box and select [Chanel] ([ ) section.

    • [Dimension] is select [75x40] and [Thickness] is select [5x7x8x4].

    • Click [Apply].

    • Select [3D] view to see 3D model


    • 3D model:

  1. Group element:

    • In [Ele.] tab click [Element] tab.

    • Click on [Select]. Screen pick beam G2, G3, G4, G5 and G6. Select [2D_GL] to show a label of beam.

    • Cick [Accept] to creat a group.

    • Click [2D_GL] againt and rotate beam G1 1800.

    • Click [3D] to show a new model.

  1. Create a welding:

    • Click [Connectors] tab.

    • Click [Select]. In screen click beam G2.

    • Choose [Type 1] and check in [Bottom].

    • In drop down box choose value 1 and click [Apply].

    • Replace with beam G3, but in drop down box select value [-1].


3D model:

Which Type 2 of welding:

    • Click [Connectors] tab.

    • Click [Select]. Screen click beam [G2].

    • Choose [Type 2] and check in [Bottom].

    • Click [Apply].

    • Replace with beam [G3].




  1. Analysis welding:

    • Click and input the File name Welding-001 then click Save

    • Under Weld tab click Caculate.

    • Click File > Save.

    • Open file save Welding-001_load 1s.pdf that is welding result file.

    • Red line is false.




  1. Model 2:

Problem: This problem involves using welding of beam. The frame has size and loading as show below.



  1. Input model file:

Start SATec and activate the File>Input function of the main menu, to read the model file. The File Manager window appears. Navigate and select the file Model-002.txt.

We have a model:

  1. Create a secsion:

    • Select tab [Ele.] > [Sections], under label [Input] click on drop down box and select [Chanel] ([ ) section.

    • [Dimension] is select [75x40], and [Thickness] is select [5x7x8x4].

    • Click [Apply].

    • Select [3D] view to see 3D model

Replace with two sections:

    • Square (): 75x75x1.6

    • L: L50x50x6x6.5x4.5

ID section:

Section

ID

Chanel

1

Square ()

2

L

3


  1. Group element:

    • In [Ele.] tab click [Element] tab.

    • Click on [Select]. Screen pick beam from 8 group.

    • Cick [Accept] to creat a group.



Replace with 8 group:


Group

Beam

1

1, 18, 19

2

36, 37

3

23, 24, 25, 26, 27

4

20, 21, 22, 31, 32, 33

5

6, 7, 8, 9, 10, 11, 12, 28, 29, 30

6

2, 3, 4, 5

7

14, 15, 16, 17

8

34, 35

We have 10 beam:


    • Change the section:

Click drop down [Sec.] and select section [ID] follow tabe

Click on [3D] to show a 3D model:

  1. Create a welding:

    • Click [Connectors] tab.

    • Click [Select]. Screen click beam G6. G6 will connect with G1, G3, G4, G5 and G9. Click drop down [B] and select beam ID.

    • Choose [Type 1] and select True or False in [Bottom] follow a table.

    • In drop down box select [Shift] [1] or [-1] folow a table and click [Apply].

    • Replace with beam G7, G8 follow a table.


Select

(A)

Beam ID

(B)

Type

Shift

(1/-1)

Bottom

(True/False)

G6

1

1

-1

True

3

1

-1

False

4

1

-1

False

5

1

-1

True

9

1

-1

False

G7

1

1

-1

True

2

1

-1

False

3

1

-1

False

4

1

-1

False

5

1

-1

True

10

1

-1

False

G8

2

1

-1

True

4

1

-1

Flase

5

1

-1

True


Example with G6:

We have a welding model:

  1. Analysis welding:

    • Click and input the [File name] Welding-002 then click [Save]

    • Under [Weld] tab click [Caculate].

    • Click [File] > [Save].

    • Open file save Welding-002_load 1s.pdf that is welding result file.

    • Red line is false.




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BUCKLING

Sample data: Download


Problem: This problem involves buckling tools. The frame has size and loading as show below.




  1. Input model File:

Start SATec and activate the File>Input function of the main menu, to read the model file. The File Manager window appears. Navigate and select the file Model-001.txt.


We have a Model

  1. Create a Section:

    • Select tab [Ele.] > [Sections], under label [Input] click on drop down box and select [Chanel] ([ ) section.

    • [Dimension] is select [75x40] and [Thickness] is select [5x7x8x4].

    • Click [Apply].


    • Select [3D] view to see 3D model



3D model:

  1. Group element:

    • In [Ele.] tab click [Element] tab.

    • Click on [Select]. Screen pick beam G2, G3, G4, G5 and G6. Select [2D_GL] to show a label of beam.

    • Cick [Accept] to creat a group.

    • Click [2D_GL] againt and rotate beam [G1] an angle of [1800].

  1. Create a welding:

    • Click [Connectors] tab.

    • Click [Select]. In screen click beam [G2].

    • Choose [Type 1] and check in [Bottom].

    • In drop down box choose value [1] and click [Apply].

    • Replace with beam G3, but in drop down box select value [-1].


We have:

  1. Buckling:

    • Return [Element] tab, under [Compres.] table select [True] in G1.

    • Click [Solve].

    • Fill a [File name] "BUCKLING". Click [Save].

    • Select [File] > [Save].


Open file BUCKLING_load 1s.pdf in your save folder that is results file.


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ANALYSIS

Sample data: Download


  1. Model 1:

Problem: This problem involves using Analysis and Optimize tools. The frame has size and loading as show below.

Properties of material:
  • Young's modulus: 206000 N/mm2.

  • Poission's ratio: 0.3.

  • Density: 7.86E-6 kg/mm3.


Sections:

    • Square (□75x75x1.6).

3D model:



  1. Input model File:

Start SATec and activate the [File]>[Input file] function of the main menu, to read the model file. The File Manager window appears and select the file Model-001.txt.




We have a Model



  1. Create a Section:

    • Select tab [Ele.] > [Sections], under label [Input] click on drop down box and select [Square] section.

    • [Dimension] is select [75x75] and [Thickness] is select [1.6].

    • Click [Apply].




    • Select [3D] view to show 3D model.





  1. Group element:

    • In [Ele.] tab click [Element] tab.

    • Click on [Select]. Screen pick beam G2, G3, G4, G5 and G6. Select [2D_GL] to show a label of beam.

    • Cick [Accept] to creat a group.




Click on [3D] to show a 3D model:




  1. Analysis:

    • Click [Solve] in menu bar.

    • Choose Folder and [File name] is Analysis-001 and click [Save].

    • Click [File] > [Save].




  1. Optimize:

    • Under tab [Ele.] select tab [Opt.]

    • Under [Min frequency] fill 15.

    • Click [Optimize] in menu bar.

    • Select [File] > [Save].




  1. Result file:

    • Open file Analysis-001_load 1s.pdf and Analysis-001_load 1o.pdf that are results file of Analysis and Optimize.

    • Red line is false.


Section information

Analysis



Optimize



Displacement

Analysis



Optimize



Simulation results

Analysis



Optimize




  1. Model 2:

Problem: This problem involves using Analysis and Optimize tools. The frame has size and loading as show below.


Properties of material:
  • Young's modulus: 206000 N/mm2.

  • Poission's ratio: 0.3.

  • Density: 7.86E-6 kg/mm3.


Sections:

    • Square (□75x75x1.6).

    • L (L50x50x6).

3D model:

  1. Input model file:

Start SATec and activate the [File]>[Input] function of the main menu, to read the model file. The File Manager window appears and select the file Model-002.txt.



Model input:



  1. Create a section:

    • Select tab [Ele.] > [Sections], under label [Input] click on drop down box and select [Square] section.

    • [Dimension] is select [75x75], and [Thickness] is select [1.6].

    • Click [Apply].



    • Select [3D] view to show 3D model



    • Replace with section L50x50x6x6.5x4.5.



  1. Group element:

Use a table to make a group. Example: Group 1 include beam G1, G18 and G19.

  • Click [2D_GL] to show a lable of beam.

  • Under tab [Ele.] click tab [Element].

  • In row [G1] of group table, input 1 in column [L1], input 18 in column [L2] and 19 in column [L3]. Number 1, 18 and 19 are beam ID.

  • Replace with all group folow a group table.

  • Click [Tab] to accept all group.


Group table:

Group

Beam ID

L1

L2

L3

L4

L5

L6

L7

L8

L9

L10

G1

1

18

19








G2

36

37









G3

23

34

35

36

37






G4

20

21

22

31

32

33





G5

6

7

8

9

10

11

12

28

29

30

G6

2

3

4

5







G7

14

15

16

17







G8

34

35












We have 10 beams:



    • Change the section:

Click drop down [Sec.] and select section [ID].




Click on [3D] to show a 3D model:




  1. Analysis:

    • Click [Solve] in menu bar.

    • Choose Folder and [File name] is Analysis-002 and click [Save].

    • Click [File] > [Save].





  1. Optimize:

    • Under tab [Ele.] select tab [Opt.]

    • Under [Min frequency] fill 15.

    • Click [Optimize] in menu bar.

    • Select [File]>[Save].







  1. Result file:

    • Open file Analysis-002_load 1s.pdf and Analysis-002_load 1o.pdf that are results file of Analysis and Optimize.

    • Red line is false.


Section information

Analysis



Optimize



Displacement

Analysis



Optimize



Simulation results

Analysis



Optimize




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