Séance Séminaire

Séminaire ACSIOM

Frame-based interactive simulation of complex deformable solids

We present a new type of deformable model which combines the realism of physically based continuum mechanics models and the usability of frame-based skinning methods, allowing the interactive simulation of objects with heterogeneous material properties and complex geometries. The degrees of freedom are coordinate frames moving in reaction to internal body forces. We introduce novel material-aware shape functions in place of the traditional radial basis functions used in meshless frameworks, allowing coarse deformation functions to efficiently resolve non-uniform stiffnesses. Complex models can thus be simulated at high frame rates using a small number of control nodes. Moreover, we show that the number of control nodes can be adapted in real-time based on energetic and visual criteria.