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OVERVIEW
The Summary of Plate Analysis in nGen.
1. Define Properties
2. Create Plates
3. Define Loads
4. Define Supports
5. Change Local Axis
6. Perform Analysis
7. Analysis Results
Let's take a look at the analysis results of each three models.
1. Define Properties
1-1. Define Material
1. Select [ N ], [ mm ] in Status bar.
2. Select [ Define > Material ].
3. Enter [ Plate ] in Name > Check off [ Code ] > Enter [ 2.05e+005 N/mm2 ] in 'Modulus of Elasticity'.
4. Click [ OK ].
1-2. Define Thickness
1-3. Define Section
1. Select [ Define > 2D Thickness ].
2. Select [ Plate ] in Material.
3. Enter [ 20 ] in Thickness.
4. Click [ OK ].
2. Create Plates
2-1. Create Plates
1. Select [ m ] to change the unit.
2. Select [ Member > Plate ].
3. Select [ T20 ] > Click the Icon in Yellow box.
4. Click origin point [ 0, 0, 0 ] > Enter [ 1, 0, 0 ] > Enter [ 0, 1, 0 ] > Enter [ -1, 0, 0 ].
5. Press [ Esc ] to finish.
2-2. Copy Plates
1. Select [ Member > Copy ].
2. Select the plate > Select [ X-axis ] > Enter [ 2 ].
3. Select the 1st plate again > Select [ Y-Axis ] > Enter [ -1.5 ].
4. Select the last plate > Select [ X-axis ] > Enter [ 3@1 ] .
5. Press [ Esc ] to finish.
2-3. Merge Plates
1. Select [ Member > Merge > 2D Merge ].
2. Select the plate > Select [ X-axis ] > Enter [ 2 ].
3. Select the 1st plate again > Select [ Y-Axis ] > Enter [ -1.5 ].
4. Select the last plate > Select [ X-axis ] > Enter [ 3@1 ] .
5. Press [ Esc ] to finish.
2-4. Copy Plates
1. Select [ Member > Copy].
2. Select the last plate > Select [ Y-axis ] > Enter [ -1.5 ].
3. Press [ Esc ] to finish.
2-5. Intersect Plates
1. Click on the icon [ Auto Intersect ].
2. Select [ Member > Beam ].
Create beams > Snap on the MidPoint of the plate edges to divide the plate into four equal parts.
3. Press [ Esc ] to finish.
4. Select the beams and three intersected plates > Press [ Delete ].
3. Define Loads
3-1. Define a Load
1. Select [ kN ] to change the unit.
2. Select [ Load > Pressure ].
3. Select [ Coordinate ] in Type.
4. Enter [ -10 ] in Pressure > Select 4 Plates.
5. Click [ OK ].
4. Define Supports
4-1. Define Support - 1
Apply Supports
1. Select [ Boundary > Support ].
2. Select boundary lines to apply [ Fix ] type support.
3. Click [ Apply ].
4-2. Define Support - 2 & 3
Apply Supports
1. Select boundary line to constrain [ Tx, Ry ].
2. Select boundary line to constrain [ Ty, Rx ].
3. Click [ OK ].
5. Change Local Axis
5-1. Change Local Axis
1. Check Off [ Support ].
2. Click the Icon [ Show/Hide Member Axis ].
3. Select 2 slabs.
4. Select [ Edge 2 ] in X-Axis.
6. Perform Analysis
6-1. Perform Analysis - 1
Set Analysis Settings
Check off the icon in Yellow Box [ Show/Hide Member Axis ]
1. Select [ Analysis > Analysis Settings ].
2. Click [ Mesh ].
3. Select [ Division ] in Method of 2D Mesh > Enter [ 10 ] in Length.
4. Click [ OK ].
6-2. Perform Analysis - 2
Define Analysis Case
1. Select [ Analysis > Static/RS ].
Confirm Settings.
2. Click [ OK ].
3. Select [ Analysis > Run Analysis ].
4. Click [ OK ].
7. Analysis Result
7-1. Analysis Results - 1
Deformation
1. Confirm [ Deformations > Displacement-XYZ ].
2. Check on [ Deform ] > Select [ Scale (*0.5) ].
3. Change unit [ mm ].
4. Check on [ Value ] > Select [ ALL ].
5. Select [ 3 ] in Decimal points.
Check whether these two points are almost identical.
7-2. Analysis Results - 2
Plate Forces
1. Confirm [ Plate Forces ].
2. Select [ Bending Moment-x (Mxx) ].
3. Select [ Bending Moment-y (Myy) ].
4. Confirm [ Plate Stresses ].
5. Select [ Principal Stress-Major(T/B) ].
6. Select [ Von Mises Stress(T/B) ].
