Simulating knitted cloth at the yarn level

Kaldor, Jonathan M.; James, Doug L.; Marschner, Steve

doi:10.1145/1360612.1360664

Cited by 139 publications

(36 citation statements)

References 37 publications

(24 reference statements)

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“…Recently proposed parameterizations include Super-Helix models [Bertails et al 2006;Bertails 2009], spline bases [Qin and Terzopoulos 1996;Remion et al 1999;Nocent and Remion 2001;Lenoir et al 2004;Coleman and Singh 2006;Theetten et al 2008;Sueda et al 2008;Kaldor et al 2008], quaternion representations [Grégoire and Schömer 2007;Spillmann and Teschner 2009], elastic rod models [Pai 2002;Bergou et al 2008], beam elements [Lenoir et al 2006], rigid body links [Choe et al 2005;Hadap 2006], and mass-spring systems [Selle et al 2008;McAdams et al 2009]. All of these methods are designed mainly for strands that are relatively unconstrained, and would require multiplier or penalty based methods in order to constrain the path of the strands.…”

Section: Related Workmentioning

confidence: 99%

Large-scale dynamic simulation of highly constrained strands

Sueda

Jones

Levin

et al. 2011

ACM SIGGRAPH 2011 Papers

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a) Compound pulley (b) Robotic arm (c) Chain gears (d) Line shaft Figure 1: Various examples that demonstrate the scalability and robustness of our approach. (a) Compound pulley: our framework allows us to simulate a compound pulley system composed of up to 1024 pulleys connected by a single strand. (b) Robot arm: the cable for controlling the proximal arm is routed through a small aperture so that the arm can be controlled even when the robot body is rotated. (c) A cabled system with two 2:1 chain gear drives. (d) Large-scale simulation-subcomponents connected by an overhead line shaft. AbstractA significant challenge in applications of computer animation is the simulation of ropes, cables, and other highly constrained strandlike physical curves. Such scenarios occur frequently, for instance, when a strand wraps around rigid bodies or passes through narrow sheaths. Purely Lagrangian methods designed for less constrained applications such as hair simulation suffer from difficulties in these important cases. To overcome this, we introduce a new framework that combines Lagrangian and Eulerian approaches. The two key contributions are the reduced node, whose degrees of freedom precisely match the constraint, and the Eulerian node, which allows constraint handling that is independent of the initial discretization of the strand. The resulting system generates robust, efficient, and accurate simulations of massively constrained systems of rigid bodies and strands.

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Section: Related Workmentioning

confidence: 99%

Large-scale dynamic simulation of highly constrained strands

Sueda

Jones

Levin

et al. 2011

ACM SIGGRAPH 2011 Papers

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“…Kaldoret et al [13] addressed the simulation of knitted cloth at the yarn level, wherein the yarn is simulated with a single spline curve. Theetten et al [14] proposed a spline based model to handle the physical simulation of deformable curve-shaped objects.…”

Section: Introductionmentioning

confidence: 99%

Novel, Robust, and Efficient Guidewire Modeling for PCI Surgery Simulator Based on Heterogeneous and Integrated Chain-Mails

Wang

Qin

et al. 2015

2015 14th International Conference on Computer-Aided Design and Computer Graphics (CAD/Graphics)

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Despite the long R&D history of interactive minimally-invasive surgery and therapy simulations, the guidewire/catheter behavior modeling remains challenging in Percutaneous Coronary Intervention (PCI) surgery simulators. This is primarily due to the heterogeneous heart physiological structures and complex intravascular inter-dynamic procedures. To ameliorate, this paper advocates a novel, robust, and efficient guidewire/catheter modeling method based on heterogeneous and integrated chain-mails, that can afford medical practitioners and trainees the unique opportunity to experience the entire guidewire-dominant PCI procedures in virtual environments as our model aims to mimic what occurs in clinical settings. Our approach's originality is primarily founded upon this new method's unconditional stability, realtime performance, flexibility, and high-fidelity realism for guidewire/catheter simulation. Considering the front end of the guidewire has different stiffness with its conjunctive slender body and the guidewire length is adaptive to the surrounding environment, we propose to model the spatially-varying sixdegree of freedom behaviors by solely resorting to the generalized 3D chain-mails. Meanwhile, to effectively accommodate the motion constraints caused by the beating vessels and flowing blood, we integrate heterogeneous volumetric chainmails to streamline guidewire modeling and its interaction with surrounding substances. By dynamically coupling guidewire chain-mails with the surrounding media via virtual links, we are capable of efficiently simulating the collision-involved interdynamic behaviors of the guidewire. Finally, we showcase a PCI prototype simulator equipped with haptic feedback for mimicing the guidewire intervention therapy, including pushing, pulling, and twisting operations, where the built-in high-fidelity, real-time efficiency, and stableness show great promise for its practical applications in clinical training and surgery rehearsal fields.

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“…Cloth Simulation: In recent years, physically-based cloth simulation has generated highly realistic results for clothing animation [Baraff and Witkin 1998;Choi and Ko 2002;Bridson et al 2002;Kaldor et al 2008], and surveys articles have been written that summarize current state of the art [House and Breen 2000;Choi and Ko 2005;Nealen et al 2006]. A key feature of realistic cloth appearance is the formation of fine-scale wrinkles.…”

Section: Introductionmentioning

confidence: 99%

Example-based wrinkle synthesis for clothing animation

et al. 2010

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Figure 1: Our method uses a precomputed dataset to synthesize detailed cloth wrinkles (a) that are layered onto a coarse base simulation (inset). The precomputed datset can be used to synthesize wrinkles for a wide range of poses (b and c). AbstractThis paper describes a method for animating the appearance of clothing, such as pants or a shirt, that fits closely to a figure's body. Compared to flowing cloth, such as loose dresses or capes, these types of garments involve nearly continuous collision contact and small wrinkles, that can be troublesome for traditional cloth simulation methods. Based on the observation that the wrinkles in closefitting clothing behave in a predominantly kinematic fashion, we have developed an example-based wrinkle synthesis technique. Our method drives wrinkle generation from the pose of the figure's kinematic skeleton. This approach allows high quality clothing wrinkles to be combined with a coarse cloth simulation that computes the global and dynamic aspects of the clothing motion. While the combined results do not exactly match a high-resolution reference simulation, they do capture many of the characteristic fine-scale features and wrinkles. Further, the combined system runs at interactive rates, making it suitable for applications where high-resolution offline simulations would not be a viable option. The wrinkle synthesis method uses a precomputed database built by simulating the high-resolution clothing as the articulated figure is moved over a range of poses. In principle, the space of poses is exponential in the total number of degrees of freedom; however clothing wrinkles are primarily affected by the nearest joints, allowing each joint to be processed independently. During synthesis, mesh interpolation is used to consider the influence of multiple joints, and combined with a coarse simulation to produce the final results at interactive rates.

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Simulating knitted cloth at the yarn level

Cited by 139 publications

References 37 publications

Large-scale dynamic simulation of highly constrained strands

Large-scale dynamic simulation of highly constrained strands

Novel, Robust, and Efficient Guidewire Modeling for PCI Surgery Simulator Based on Heterogeneous and Integrated Chain-Mails

Example-based wrinkle synthesis for clothing animation

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