Abaqus Cae Tutorial
Transcript of Abaqus Cae Tutorial
Weekly Presentation
ABAQUS TutorialBing Ye
February 23, 2006
Outline
ABAQUS ScopeABAQUS Problem-Solving StepsABAQUS DrawingABAQUS MeshingABAQUS HOWTOSummary
ABAQUS Scope
Perform meaningful linear and nonlinear analysis. Typical cases:
This world is non-linear.
o Large motion of an elastic-plastic pipe hitting a rigid wall; o Inelastic buckling collapse of a thin-walled elbowo Explosive loading of an elastic, viscoplastic thin ringo Consolidation under a footingo Buckling of a composite shell with a holeo Deep drawing of a metal sheeto ……
ABAQUS Problem Solving StepsPreprocessing
ABAQUS/CAE or other
Input File: job & inp
generate
Simulation with Standard or Explicit Module
Submit Job
Output Filesaccessed by Python
PostprocessingVisualization
Model Tree
ABAQUS Startup Image
ABAQUS Drawing1. Point2. Line3. Area
Sketch
Operate
Forming 3D Volume
Select 2D plane as reference to expand and modify
Part
Individual part can be duplicated and then modify to form new part.
Forming your final modeling object
Assembly
Module name
Operate:
1. Extrude
2. Revolve
3. Sweep
Assembly
1. Individual part: Translate, rotate
2. Two part: Face to face, coaxial, edge to edge, ….
Note: Different parts in assembly have NOinteraction even they are physically contacted.
Workout Example
100 cube with a 50 radius 1/8 ball
How to draw this in AutoCAD or SolidWorks?
We draw with ABAQUS/CAE
Sketch Part I
Sketch Part I --- cont’d
Adjust length
Sketch Part I --- cont’d
Sketch Part I --- cont’d
Need: Extrude from the Top
Select Plane for Part II
Sketch Part II
Sketch Part II --- cont’d
Part II for Extrude
Finished Part
Easy !!!
Interaction --- Parts RelationsInteraction is to tell ABAQUS about how the parts and parts
interact and self-interact.
Workout ExampleIn contact, many times it is hard to choose the contact plane from the
assembled part. Define the surfaces in the assembly by showing one part at a time.
Part
Assembled with two parts
Want these two parts tied together by two planes in the middle.
Define Surface
Define Surface --- cont’d
Define Surface --- cont’d
Define Surface --- cont’d
Define Interactions
Define Interactions --- cont’d
Define Interactions --- cont’d Select Master and Slave planes
Define Interactions --- cont’d
Define Interactions --- cont’d
Define Interactions --- Summary
Since ABAQUS only checks the nodes of the slave planes, we selected the planes with large deformation as slave planes.From material point of view, we usually choose soft material (finer meshing) as slave planes (regions). Same material does not matter.
An Example Same material different meshing
Displacement contourvon-Mises stress contour
Meshing --- Partition to Form Simple Part
How Simple is called Simple?
Color is Green. Color Orange --- Too Complex.
Meshing StepsTry to turn everything into green by cutting parts (virtually because
they are still connected and cutting is just for meshing).
Using these tools
Meshed Part
Summary
ABAQUS is user-friendly and easy.ABAQUS HOWTO: learn two examples in Appendixes B and C of book “Getting Started with ABAQUS”.Hope all of us start to rock-and-roll with ABAQUS.