Embedded Thin Shells for Wrinkle Simulation

Olivier Remillard, Paul G. Kry We present a new technique for simulating high resolution surface wrinkling deformations of composite objects consisting of a soft interior and a harder skin. We combine high resolution thin shells with coarse finite element lattices and define frequency based constraints that allow the formation of wrinkles with properties matching those […]

Posted by christopherbatty on May 25th, 2013 | Comments Off on Embedded Thin Shells for Wrinkle Simulation Posted in Deformables, Shells

Adaptive Fracture Simulation of Multi-Layered Thin Plates

Oleksiy Busaryev, Tamal K. Dey, Huamin Wang The fractures of thin plates often exhibit complex physical behaviors in the real world. In particular, fractures caused by tearing are different from fractures caused by in-plane motions. In this paper, we study how to make thin-plate fracture animations more realistic from three perspectives. We propose a stress […]

Posted by christopherbatty on May 2nd, 2013 | Comments Off on Adaptive Fracture Simulation of Multi-Layered Thin Plates Posted in Cloth, Fracture, Shells

Modeling Friction and Air Effects between Cloth and Deformable Bodies

Zhili Chen, Renguo Feng, Huamin Wang Real-world cloth exhibits complex behaviors when it contacts deformable bodies. In this paper, we study how to improve the simulation of cloth-body interactions from three perspectives: collision, friction, and air pressure. We propose an efficient and robust algorithm to detect the collisions between cloth and deformable bodies, using the […]

Posted by christopherbatty on May 2nd, 2013 | Comments Off on Modeling Friction and Air Effects between Cloth and Deformable Bodies Posted in Cloth, Deformables, Shells

Folding and Crumpling Adaptive Sheets

Rahul Narain, Tobias Pfaff, and James F. O’Brien We present a technique for simulating plastic deformation in sheets of thin materials, such as crumpled paper, dented metal, and wrinkled cloth. Our simulation uses a framework of adaptive mesh refinement to dynamically align mesh edges with folds and creases. This framework allows efficient modeling of sharp features […]

Posted by christopherbatty on April 20th, 2013 | Comments Off on Folding and Crumpling Adaptive Sheets Posted in Cloth, Shells

Interpenetration Free Simulation of Thin Shell Rigid Bodies

R. Elliot English, Michael Lentine, Ron Fedkiw We propose a new algorithm for rigid body simulation that guarantees each body is in an interpenetration free state, both increasing the accuracy and robustness of the simulation as well as alleviating the need for ad hoc methods to separate bodies for subsequent simulation and rendering. We cleanly separate collision […]

Posted by christopherbatty on October 13th, 2012 | Comments Off on Interpenetration Free Simulation of Thin Shell Rigid Bodies Posted in Collisions, Rigid bodies, Shells

SIGGRAPH Course: Data-Driven Simulation Methods in Computer Graphics: Cloth, Tissue, and Faces

Miguel Otaduy, Bernd Bickel, Derek Bradley, Huamin Wang In recent years, the field of computer animation has witnessed the invention of multiple simulation methods that exploit pre-recorded data to improve the performance and/or realism of dynamic deformations. Various methods have been presented concurrently, and they present differences, but also similarities, that have not yet been […]

Posted by christopherbatty on August 15th, 2012 | Comments Off on SIGGRAPH Course: Data-Driven Simulation Methods in Computer Graphics: Cloth, Tissue, and Faces Posted in Cloth, Deformables, Shells

Interactive Space-Time Control of Deformable Objects

Klaus Hildebrandt, Christian Schulz, Christoph von Tycowicz, Konrad Polthier Creating motions of objects or characters that are physically plausible and follow an animator’s intent is a key task in computer animation. The spacetime constraints paradigm is a valuable approach to this problem, but it suffers from high computational costs. Based on spacetime constraints, we propose […]

Posted by christopherbatty on May 23rd, 2012 | Comments Off on Interactive Space-Time Control of Deformable Objects Posted in Deformables, Shells

Discrete Viscous Sheets

Christopher Batty, Andres Uribe, Basile Audoly, Eitan Grinspun We present the first reduced-dimensional technique to simulate the dynamics of thin sheets of viscous incompressible liquid in three dimensions. Beginning from a discrete Lagrangian model for elastic thin shells, we apply the Stokes-Rayleigh analogy to derive a simple yet consistent model for viscous forces. We incorporate […]

Posted by christopherbatty on May 10th, 2012 | Comments Off on Discrete Viscous Sheets Posted in Fluids, Shells

Computational Design of Rubber Balloons

Melina Skouras, Bernhard Thomaszewski, Bernd Bickel, Markus Gross This paper presents an automatic process for fabrication-oriented design of custom-shaped rubber balloons. We cast computational balloon design as an inverse problem: given a target shape, we compute an optimal balloon that, when inflated, approximates the target as closely as possible. To solve this problem numerically, we […]

Posted by christopherbatty on April 11th, 2012 | Comments Off on Computational Design of Rubber Balloons Posted in Cloth, Shells

Sensitive Couture for Interactive Garment Editing and Modeling

Nobuyuki Umetani, Danny M. Kaufman, Takeo Igarashi, Eitan Grinspun We present a novel interactive tool for garment design that enables, for the first time, interactive bidirectional editing between 2D patterns and 3D high-fidelity simulated draped forms. This provides a continuous, interactive, and natural design modality in which 2D and 3D representations are simultaneously visible and […]

Posted by christopherbatty on July 28th, 2011 | Comments Off on Sensitive Couture for Interactive Garment Editing and Modeling Posted in Cloth, Shells
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