Experimentally validated FEA models of HF2V damage free steel connections for use in full structural analyses

Jonathan Desombre, Geoffrey W. Rodgers, Gregory A. MacRae, Timon Rabczuk, Rajesh P. Dhakal, J. Geoffrey Chase

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The aim of this research is to model the behaviour of recently developed high force to volume (HF2V) passive energy dissipation devices using a simple finite element (FE) model. Thus, the end result will be suitable for use in a standard FE code to enable computationally fast and efficient analysis and design. Two models are developed. First, a detailed axial model that models an experimental setup is created to validate the approach versus experimental results. Second, a computationally and geometrically simpler equivalent rotational hinge element model is presented. Both models are created in ABAQUS, a standard nonlinear FE code. The elastic, plastic and damping properties of the elements used to model the HF2V devices are based on results from a series of quasi-static force-displacement loops and velocity based tests of these HF2V devices. Comparison of the FE model results with the experimental results from a half scale steel beam-column sub-assembly are within 10% error. The rotational model matches the output of the more complex and computationally expensive axial element model. The simpler model will allow computationally efficient non-linear analysis of large structures with many degrees of freedom, while the more complex and physically accurate axial model will allow detailed analysis of joint connection architecture. Their high correlation to experimental results helps better guarantee the fidelity of the results of such investigations.

Original languageEnglish
Pages (from-to)385-399
Number of pages15
JournalStructural Engineering and Mechanics
Volume37
Issue number4
Publication statusPublished - 2011 Feb 25
Externally publishedYes

Fingerprint

Finite element method
Steel
ABAQUS
Nonlinear analysis
Hinges
Energy dissipation
Damping
Plastics

Keywords

  • DAD
  • Damage avoidance design
  • Damping
  • Energy dissipation
  • Experimental
  • Finite element analysis
  • HF2V
  • High-force-to-volume
  • Supplemental damping

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Desombre, J., Rodgers, G. W., MacRae, G. A., Rabczuk, T., Dhakal, R. P., & Chase, J. G. (2011). Experimentally validated FEA models of HF2V damage free steel connections for use in full structural analyses. Structural Engineering and Mechanics, 37(4), 385-399.

Experimentally validated FEA models of HF2V damage free steel connections for use in full structural analyses. / Desombre, Jonathan; Rodgers, Geoffrey W.; MacRae, Gregory A.; Rabczuk, Timon; Dhakal, Rajesh P.; Chase, J. Geoffrey.

In: Structural Engineering and Mechanics, Vol. 37, No. 4, 25.02.2011, p. 385-399.

Research output: Contribution to journalArticle

Desombre, J, Rodgers, GW, MacRae, GA, Rabczuk, T, Dhakal, RP & Chase, JG 2011, 'Experimentally validated FEA models of HF2V damage free steel connections for use in full structural analyses', Structural Engineering and Mechanics, vol. 37, no. 4, pp. 385-399.
Desombre J, Rodgers GW, MacRae GA, Rabczuk T, Dhakal RP, Chase JG. Experimentally validated FEA models of HF2V damage free steel connections for use in full structural analyses. Structural Engineering and Mechanics. 2011 Feb 25;37(4):385-399.
Desombre, Jonathan ; Rodgers, Geoffrey W. ; MacRae, Gregory A. ; Rabczuk, Timon ; Dhakal, Rajesh P. ; Chase, J. Geoffrey. / Experimentally validated FEA models of HF2V damage free steel connections for use in full structural analyses. In: Structural Engineering and Mechanics. 2011 ; Vol. 37, No. 4. pp. 385-399.
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