Recent Talks
- Numerical Methods for
Geometric Motion Ottawa Applied Analysis Day invited lecture and McMaster
Applied Mathematics Seminar, October 2023.
- 2D curvature motion
app (not my work).
- Gradient flow of Adhesion Energy YouTube
video.
- Asymptotic Error Analysis UBC
PACMAN Seminar, September 2023.
- Introduction to my research
- Machine Learning of Electrochmical Battery Models ICIAM, Tokyo, August 2023.
- Introduction to my research
PI Seminar, Clean Energy Research Centre, UBC, May 2023.
- A Computational model of
the freezing of salt water British Applied Mathematics Colloquium
Sea Ice Modelling Session, April 2023.
- Enthalpy Methods
for Moving Boundary Value Problems British Applied Mathematics
Colloquium April 2023. Earlier versions given at the
Western Washington University
Mathematics Seminar, McMaster Mathematics Colloquium, and the Applied Math
Seminar at York University. Accompanying videos:
- #1
Enthalpy Method for Stefan Problem
- #2
Enthalpy Method, mushy region
- #3
Model two phase flow computation
- #4
Model Sea Ice computation
MATLAB code for implicit Enthaply method in (u,s) formulation:
code.
- Asymptotic Error Analysis
in the Plovdiv University Mathematical Analyis Seminar, June 2022.
- Equivalent formulations
of the oxygen depletion problem, other implicit free boundary value problems,
and implications for numerical approximation at the SIAM PNW chapter
meeting, Vancouver WA, May 21, 2022. A longer
version given at the
Workshop on Interface Problems, June, 2022, Beijing Normal University, Zhuhai.
- Approximating the
Arctan function (with many asides) a UBC Archimedes talk March 5, 2022.
- The P2D Model for Lithium Ion
Batteries: When is it Really Needed? in the Hong Kong Polytechnic
Applied Mathematics Colloquium, October 2021.
- Asymptotic Behaviour of
Time Stepping Methods for Phase Field Models in the SIAM
Materials Science Meeting (virtual), May 2021.
- Three Results I Never
Published in the UBC SCAIM Seminar, January 2020.
- Asymptotic Error Analysis
in the Applied Mathematics Seminar at TRU, October, 2019, and previously
at the Computational and Applied Mathematics Seminar
at the Centre de Recera Matematica in the Universitat Autonoma de
Barcelona, October, 2018.
- A fast solver for a
Lithium-Ion battery electrode model at the SIAM PNW meeting,
October, 2019.
- Mathematical Models of
Electrichemical Systems at the PIMS workshop on the Mathematics of
Clean Energy, UBC, May, 2019.
- Asymptotic Analysis of Lithium
Ion Battery Models at EISVIC at the University of Victoria, April, 2019.
A shorter version given at the 2019 CAIMS annual meeting in Whistler,
June, 2019.
A simplified version given previously at the
Universitat Politecnica de Catalunya
Undergraduate Modelling Seminar. Accompanying videos:
- #1
Full P2D scaling, solid phase diffusion limiting
- #2
Full P2D scaling, electrolyte diffusion limiting
- #3
Large electrolyte diffusivity
- #4
Large solid diffusivity
- #5
Small current
- A Second Look at Time
Stepping for Phase Field Models SFU Computational Applied Mathematics
Seminar, March, 2019.
A shorter version given at the 2019 CAIMS annual meeting in Whistler,
June, 2019.
Also given in the UVIC Applied Mathematics Seminar March, 2019.
- Asymptotic Analysis of
Implicit Time Stepping for Allen Cahn Dynamics,
at the Hong Kong City University (Shenzhen) July, 2018. Given previously
in the PDE Seminar
at the Hong Kong University of Science and Technology, June, 2018 and
in the Applied and Computational Mathematics Seminar
at Michigan State. The material has a different focus, but the
videos are the same as the ones linked below (in a different time
scale):
- Time Stepping for Energy
Gradient Flows, in the Computational Applied Mathematics Seminar
at UT Knoxville, March, 2018.
- Asymptotic
Error Analysis, in the student collquium at UT Knoxville, March, 2018.
Different versions were given
at the SIAM student day in Limerick, Ireland,
December, 2016,
the PIMS Young Researcher Conference at UBC, June 2014,
the PIMS-Shell Lunchbox series in Calgary, April 25, 2013 and
University of Hawaii at Manoa Mathematics Department Seminar,
February 24, 2012.
-
Modelling Lithium Ion Batteries SFU CSC Seminar, March, 2018. Previously
given at the UBC SCAIM Seminar, November, 2017. Accompanying video:
- Numerical Methods for
Interface Motion PIMS Numerical Methods for PDEs on Surfaces Workshop,
June, 2017.
-
A general framework for high accuracy solutions to energy gradient
flows from material science models Southern China University
of Science and Techonlogy May, 2017.
-
Mathematical Models of Electrochemical Systems,
given
at the Mathematics Applications Consortium for Science and Industry tenth
anniversary workshop, Limerick, Ireland, December, 2016.
Some additional detail on the basic fuel cell model described in the
main part of the talk, and its computational approximation,
can be found in the hand written notes used at a workshop
given at the Polytechnic University of
Catalunya, October, 2011:
part I,
part II,
part III.
Matlab code:
stack.m and
solve_stack.m.
- PIMS Graduate Mathematical Modelling in Industry Workshop, Vancouver,
August 2016:
-
Computational approaches to a model problem of two phase flow
in porous media with phase change MSU applied mathematics
seminar May 27, 2016. Accompanying videos: