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Tamaas (from تماس meaning "contact" in Farsi) is a high-performance rough-surface periodic contact code based on boundary and volume integral equations. The clever mathematical formulation of the underlying numerical methods allows the use of the fast-Fourier Transform, a great help in achieving peak performance: Tamaas is consistently **two orders of magnitude faster** (and lighter) than traditional FEM! This means we can tackle such difficult problems as elastoplastic contact of rough surfaces //with upwards of 100 million degrees-of-freedom// on a single compute node. The image below shows the plastic zone in the material bulk for such a simulation: {F10738112} © 2019, Laboratoire de Simulation en Mécanique des Solides, EPFL. Their are a few repositories available under the umbrella of the project: - rTAMAAS: the main trunk containing the latest source code - rEXPOLIT: a helper library for symbolic integration at compile time in C++ Online documentation can be found on [[ https://tamaas.readthedocs.io/en/latest/ | tamaas.readthedocs.io ]]. To give proper credit to Tamaas and the researchers that have developed the numerical methods that it implements, please cite the [[ https://joss.theoj.org/papers/86903c51f3c66964eef7776d8aeaf17d | JOSS paper ]] and the appropriate references therein.

Tamaas (from تماس meaning "contact" in Farsi) is a high-performance rough-surface periodic contact code based on boundary and volume integral equations. The clever mathematical formulation of the underlying numerical methods allows the use of the fast-Fourier Transform, a great help in achieving peak performance: Tamaas is consistently **two orders of magnitude faster** (and lighter) than traditional FEM! This means we can tackle such difficult problems as elastoplastic contact of rough surfaces //with upwards of 100 million degrees-of-freedom// on a single compute node. The image below shows the plastic zone in the material bulk for such a simulation: {F10738112} © 2019, Laboratoire de Simulation en Mécanique des Solides, EPFL. Their are a few repositories available under the umbrella of the project: - rTAMAAS: the main trunk containing the latest source code - rEXPOLIT: a helper library for symbolic integration at compile time in C++ Online documentation can be found on [[ https://tamaas.readthedocs.io/en/latest/ | tamaas.readthedocs.io ]]. To give proper credit to Tamaas and the researchers who have developed the numerical methods that it implements, please cite the [[ https://joss.theoj.org/papers/86903c51f3c66964eef7776d8aeaf17d | JOSS paper ]] and the appropriate references therein.

Tamaas (from تماس meaning "contact" in Farsi) is a high-performance rough-surface periodic contact code based on boundary and volume integral equations. The clever mathematical formulation of the underlying numerical methods allows the use of the fast-Fourier Transform, a great help in achieving peak performance: Tamaas is consistently **two orders of magnitude faster** (and lighter) than traditional FEM! This means we can tackle such difficult problems as elastoplastic contact of rough surfaces //with upwards of 100 million degrees-of-freedom// on a single compute node. The image below shows the plastic zone in the material bulk for such a simulation: {F10738112} © 2019, Laboratoire de Simulation en Mécanique des Solides, EPFL. Their are a few repositories available under the umbrella of the project: - rTAMAAS: the main trunk containing the latest source code - rEXPOLIT: a helper library for symbolic integration at compile time in C++ Online documentation can be found on [[ https://tamaas.readthedocs.io/en/latest/ | tamaas.readthedocs.io ]]. To give proper credit to Tamaas and the researchers thatwho have developed the numerical methods that it implements, please cite the [[ https://joss.theoj.org/papers/86903c51f3c66964eef7776d8aeaf17d | JOSS paper ]] and the appropriate references therein.