Operator inference can construct compact ODE surrogates for index-2 and index-3 constrained mechanical DAE systems directly from solution snapshots, with stability-oriented semidefinite constraints.
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Application of operator inference to reduced-order modeling of constrained mechanical systems
Operator inference can construct compact ODE surrogates for index-2 and index-3 constrained mechanical DAE systems directly from solution snapshots, with stability-oriented semidefinite constraints.