38th Structures, Structural Dynamics, and Materials Conference 1997
DOI: 10.2514/6.1997-1298
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Interface technology for geometrically nonlinear analysis of multiple connected subdomains

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Cited by 15 publications
(6 citation statements)
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“…The transition mesh is eliminated in the interface technology model shown in Figure 8. The refined region is directly connected to the coarse region using interface elements 4,5 as discussed in the Appendix.…”
Section: Finite Element Models and Analysis Codesmentioning
confidence: 99%
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“…The transition mesh is eliminated in the interface technology model shown in Figure 8. The refined region is directly connected to the coarse region using interface elements 4,5 as discussed in the Appendix.…”
Section: Finite Element Models and Analysis Codesmentioning
confidence: 99%
“…An arclength control strategy 17,18,19 is used for automatic load incremental control to obtain the load-deflection response and to handle limit points. This nonlinear solution strategy has been adapted to incorporate the interface element 5 and was implemented within a general-purpose, finite element code COMET/AR.…”
Section: Nonlinear Solution Strategymentioning
confidence: 99%
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“…The finite element interface technology developed at NASA LaRC [14][15][16][17][18] and elsewhere [19][20][21] has matured to a point that it is now very effective. However, because the interface technology utilizes Lagrange multipliers to enforce the interface constraint conditions, the resulting system of equations is not positive-definite.…”
Section: Introductionmentioning
confidence: 99%
“…In another work (Maday et al, 1988) non-conforming ''mortar'' elements are employed to connect incompatible subdomains. The finite element interface technology developed at NASA LaRC (Ransom et al, 1993;Ransom, 1997;Housner et al, 1995;Aminpour et al, 1995;Aminpour and Krishnamurthy, 1997) and elsewhere (Aminpour et al, 1998) allows the connection of independently modeled substructures with incompatible discretization along the common boundary. This approach has matured to a point that it is now very effective.…”
Section: Introductionmentioning
confidence: 99%