Publications of Sridhar Chellappa

Chellappa, S., Feng, L., & Benner, P. (2024)Accurate Error Estimation for Model Reduction of Nonlinear Dynamical Systems via Data-enhanced Error ClosureComputer Methods in Applied Mechanics and Engineering, 420, 116712doi: 10.1016/j.cma.2023.116712.

Feng, L., Chellappa, S., & Benner, P. (2024)A Posteriori Error Estimation for Model Order Reduction of Parametric SystemsAdvanced Modeling and Simulation in Engineering Sciences, 11, 5doi: 10.21203/rs.3.rs-3410762/v1.

Chellappa, S., Cansız, B., Feng, L., Benner, P., & Kaliske, M. (2023)Fast and Reliable Reduced-Order Models for Cardiac ElectrophysiologyGAMM-Mitteilungen, 46 (3-4), e202370014doi: 10.1002/gamm.202370014.

Chellappa, S., Feng, L., de la Rubia, V., & Benner, P. (2023)Inf-Sup-Constant-Free State Error Estimator for Model Order Reduction of Parametric Systems in ElectromagneticsIEEE Transactions on Microwave Theory and Techniques, 71 (11), 4762–4777doi: 10.1109/TMTT.2023.3288642.

de la Rubia, V., Chellappa, S., Feng, L., & Benner, P. (2022)Fast A Posteriori State Error Estimation for Reliable Frequency Sweeping in Microwave Circuits via the Reduced-Basis MethodIEEE Transactions on Microwave Theory and Techniques, 70 (11), 5172–5184doi: 10.1109/TMTT.2022.3203726.

Chellappa, S., Feng, L., & Benner, P. (2021)A Training Set Subsampling Strategy for the Reduced Basis MethodJournal of Scientific Computing, 89, 63, 34 pagesdoi: 10.1007/s10915-021-01665-y.

Chellappa, S., Feng, L., & Benner, P. (2020)Adaptive Basis Construction and Improved Error Estimation for Parametric Nonlinear Dynamical SystemsInternational Journal for Numerical Methods in Engineering: Special Issue: Credible High-Fidelity and Low-Cost Simulations in Computational Engineering, 121 (23), 5320–5349doi: 10.1002/nme.6462.

Chellappa, S., Feng, L., & Benner, P. (2022)An Adaptive Sampling Approach for the Reduced Basis MethodRealization and Model Reduction of Dynamical Systems – A Festschrift in Honor of 70th Birthday of Thanos Antoulas137–155Cham: Springer International Publishingdoi: 10.1007/978-3-030-95157-3_8.

Chellappa, S., Feng, L., de la Rubia, V., & Benner, P. (2021)Adaptive Interpolatory MOR by Learning the Error Estimator in the Parameter DomainModel Reduction of Complex Dynamical Systems97–117Cham: Birkhäuserdoi: 10.1007/978-3-030-72983-7_5.

Chellappa, S. (2022)A posteriori Error Estimation and Adaptivity for Model Order Reduction of Large-Scale SystemsPhD Thesis, Otto-von-Guericke Universität, Magdeburgdoi: 10.25673/101396.

Chellappa, S., Feng, L., & Benner, P. (in press)Discrete Empirical Interpolation in the Tensor t-Product Framework.

Chellappa, S., Feng, L., & Benner, P. (in press)Discrete Empirical Interpolation in the Tensor t-Product Framework.

Forootani, A., Kapadia, H., Chellappa, S., Goyal, P. K., & Benner, P. (in press)GS-PINN: Greedy Sampling for Parameter Estimation in Partial Differential Equations.