Christian Winther Email & Phone Number

Stockholm, Se

Stockholm, Sweden

Stockholm, Sweden

Product owner and tech lead for the Optimica Compiler Toolkit (OCT) - a Modelica compiler and mathematical engine powering the cloud based Modelon Impact.Responsible for leading a team of dedicated compiler experts as well as mathematical experts in the day-to-day work as well as for providing the technical direction.Responsible for customer interactions and projects connected to OCT.

Stockholm, Sweden

Developed (and later responsible for) the mathematical engine powering the Optimica Compiler Toolkit and later Modelon Impact. Focus on efficiently and robustly solving unstructured differential algebraic equations with discrete elements originating from many different physical domains such as mechanics and thermodynamics. Both in terms of dynamic simulation and optimization.Responsible for implementing support for the Functional Mock-up Interface (FMI). Furthermore, I also contributed to the standardization effort.Primarily worked in Python, C, C++ and Java.

Lund, Sweden

Greater Boston Area

During the internship I worked on several projects. The main project was trajectory design and trajectory optimization of a spacecraft travelling from the earth to the moon with the goal of reducing fuel consumption. My work focused on the insertion into the moon orbit and targeting of the halo orbit around L1 (Lagrange point). I used Modelica / Optimica to model the spacecraft and JModelica.org for the simulations. For the optimization I implemented a new collocation algorithm for trajectory optimization of dynamical systems using Python and CasADi which I connected to JModelica.org and the Modelica / Optimica model to perform the optimizations. The effort later resulted in a patent.

My main assignment was to develop a Python package in JModelica.org that was to support loading and dynamic simulation of models following the Functional Mock-up Interface (FMI).

Doctor Of Philosophy (Ph.D.), Numerical Analysis

PhD Thesis: "Methods and Tools for Co-Simulation of Dynamic Systems with the Functional Mock-up Interface", Defended: May 2016, ISBN.

Master Of Science, Engineering Physics

Specialization towards Automatic Control. Thesis related to both Numerical Analysis and Automatic Control with the title: Assimulo - A new.

Master Of Science, Engineering Physics