Christian Hafner

I am a research engineer in computer graphics and physics simulation at ISTA. In my research, I try to find out how the physical limits of mechanical systems can be described geometrically.
CV

Publications

Spin-It Faster: Quadrics Solve All Topology Optimization Problems That Depend Only On Mass Moments Technical Papers Awards: Honorable Mention New
Christian Hafner, Mickaël Ly, Chris Wojtan
ACM Transactions on Graphics (Siggraph 2024)
Project Page | Paper
A paper about putting hyperboloids into spinning tops.
The Design Space of Kirchhoff Rods
Christian Hafner, Bernd Bickel
ACM Transactions on Graphics (Siggraph Asia 2023)
Project Page | Paper
A paper about the shapes we can make by deforming rods in 3D.
Directionality-Aware Design of Embroidery Patterns
Desmond (Zhenyuan) Liu, Michal Piovarči, Christian Hafner, Raphaël Charrondière, Bernd Bickel
Computer Graphics Forum (Eurographics 2023)
Project Page | Paper
A paper about robotic embroidery.
The Design Space of Plane Elastic Curves
Christian Hafner, Bernd Bickel
ACM Transactions on Graphics (Siggraph 2021)
Project Page | Paper
A paper about the shapes we can make by bending paper strips.
Making Procedural Water Waves Boundary-Aware
Stefan Jeschke, Christian Hafner, Nuttapong Chentanez, Miles Macklin, Matthias Müller-Fischer, Chris Wojtan
Computer Graphics Forum (SCA 2020)
Project Page | Paper
A paper about beautiful waves rolling up the beach.
X-CAD: Optimizing CAD Models with Extended Finite Elements
Christian Hafner, Christian Schumacher, Espen Knoop, Thomas Auzinger, Bernd Bickel, Moritz Bächer
ACM Transactions on Graphics (Siggraph Asia 2019)
Project Page | Paper
A paper about chopping up CAD models into cubes.
Fundamental Solutions for Water Wave Animation
Camille Schreck, Christian Hafner, Chris Wojtan
ACM Transactions on Graphics (Siggraph 2019)
Project Page | Paper
A paper about about very big and very small ripples.
Non-Linear Shape Optimization Using Local Subspace Projections
Przemyslaw Musialski*, Christian Hafner*, Florian Rist, Michael Birsak, Michael Wimmer, Leif Kobbelt (* joint 1st authors)
ACM Transactions on Graphics (Siggraph 2016)
Project Page | Paper
A paper about an animal glockenspiel and a beefy kitty.
Optimization of Natural Frequencies for Fabrication-Aware Shape Modeling
Christian Hafner, Przemyslaw Musialski, Thomas Auzinger, Michael Wimmer, Leif Kobbelt
ACM Siggraph 2015 Posters
Project Page | Poster Abstract
A poster about hand-casted tin bells.

Recordings

Berceuse, Op. 65
Nikolai Kapustin
Recorded: 2024-05-19
I. Allemande
Recorded: 2024-04-07
II. Gavotte I – II – I
Recorded: 2024-04-18
III. Sarabande
Recorded: 2024-04-19
IV. Bourrée I – II
Recorded: 2024-06-02
4 Tales, Op. 26, I. Allegretto frescamente
Nikolai Medtner
Recorded: 2024-02-18
I. Allegro moderato
Recorded: 2023-07-25
II. Comodo
Recorded: 2023-09-14
III. Allegretto
Recorded: 2023-09-25
IV. Larghetto
Recorded: 2023-09-27
V. Allegro scherzando
Recorded: 2023-10-08
VI. Allegro non troppo
Recorded: 2024-01-07
6 Tales, Op. 51, III. Allegretto tranquilo e grazioso
Nikolai Medtner
Recorded: 2021-11-27
24 Jazz Preludes, Op. 53, XI. Andante
Nikolai Kapustin
Recorded: 2021-10-17
III. Allegretto giocoso
Recorded: 2021-12-05
V. Grave
Recorded: 2021-12-05
I. ...Omelette au rhum
Recorded: 2024-06-03
II. ...Linzer tart
Recorded: 2021-10-31
IX. ...Baba
Recorded: 2021-11-28
Piano Sonata No. 3, I. Ruhig bewegt
Paul Hindemith
Recorded: 2021-10-31