Learning constitutive relations using symmetric positive definite neural networks
Kailai Xu, Daniel Zhengyu Huang, Eric Darve
Topics & Concepts
Cholesky decompositionArtificial neural networkPositive-definite matrixConstitutive equationHyperelastic materialApplied mathematicsFinite element methodRobustness (evolution)MathematicsComputer scienceArtificial intelligenceStructural engineeringEngineeringQuantum mechanicsGeneEigenvalues and eigenvectorsChemistryBiochemistryPhysicsComposite Material MechanicsNumerical methods in engineeringModel Reduction and Neural Networks