Second order error bounds for POD-ROM methods based on first order divided differences

This note proves for the heat equation that using BDF2 as time stepping scheme in POD-ROM methods with snapshots based on difference quotients gives both the optimal second order error bound in time and pointwise estimates

Bibliographic Details
Authors: García-Archilla, Bosco, John, Volker, Novo Martín, Julia
Format: article
Publication Date:2023
Country:España
Institution:Universidad Autónoma de Madrid
Repository:Biblos-e Archivo. Repositorio Institucional de la UAM
Language:English
OAI Identifier:oai:repositorio.uam.es:10486/708640
Online Access:http://hdl.handle.net/10486/708640
https://dx.doi.org/10.1016/j.aml.2023.108836
Access Level:Open access
Keyword:BDF2
Heat Equation
POD-ROM Methods
Pointwise Error Estimates
Matemáticas
Description
Summary:This note proves for the heat equation that using BDF2 as time stepping scheme in POD-ROM methods with snapshots based on difference quotients gives both the optimal second order error bound in time and pointwise estimates