Plugin for Tunneling and
Geotechnical Analysis in
Abaqus
SCC 2012
A. Fioranelli Jr, A. Cavalcante
T. Pessoa, A. Ferreira
anselmo@smarttech.com.br
05/17/2012
Agenda
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SMARTTECH
Abaqus for Geotechnical Simulation
The Plugin
Example
Conclusion
Next Steps
SCC 2012
SMARTTECH
 Incorporated 1997
 Employees – 45+
 Customers – 300+
Holambra
Rio de Janeiro
São Paulo
Buenos Aires
SCC 2012
SMARTTECH
• SIMULIA reseller in Brazil, since 2005
– In Argentina since 2009
• Engineer company
– Tests and Simulation
• Geotechnical + Simulation Team
SCC 2012
Abaqus
Abaqus for Geotechnical Simulation
• One of the best FEA
• Implicit + Explicit
• Non-linearities
– Materials
– Contact
– Fracture
• Construction Steps
• Big models
SCC 2012
Abaqus
Why develop a plugin?
• Help geotechnical models
• Make constructions steps easier
• Help new users
SCC 2012
Abaqus
Top View
Cut View
SCC 2012
Abaqus
Material Change
Ex: Rock to Concrete
• One material  different fields
Node 1
– Confusion on material definition
• Same nodes  different elements
– No stress on new material
– CAE can’t do that
• Restart
– Too much restart for big models
SCC 2012
Element 1+
Element 2001
Abaqus
• MODEL CHANGE
– Activate and Deactivate mesh
– CAE is ok!
– Plugin make it easier
SCC 2012
Plugin
• User defines
– SET
– Materials
SCC 2012
Plugin
• Example
– Retaining wall
– 8 Steps
SCC 2012
Plugin
• Plugin Window
– Simple
SCC 2012
Example
Results for each STEP:
SCC 2012
Wall
Conclusion
• The plugin make the process faster!
• It helps new users
• If you have interest /or needs... Let us know
• It needs some improvement… next steps
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Define tunnel section with rebars
More options to change materials
More interactive
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SCC 2012
Anselmo – anselmo@smarttech.com.br
NOSSOS ENDEREÇOS