Example-Based Elastic Materials

We propose an example-based approach for simulating complex elastic material behavior. Supplied with a few poses that characterize a given object, our system starts by constructing a space of prefered deformations by means of interpolation. During simulation, this example manifold then acts as an additional elastic attractor that guides the object towards its space of prefered shapes. Added on top of existing solid simulation codes, this example potential effectively allows us to implement inhomogeneous and anisotropic materials in a direct and intuitive way. Due to its example-based interface, our method promotes an art-directed approach to solid simulation, which we exemplify on a set of practical examples.

我们提出一种基于实例的方法来模拟复杂的弹性材料行为。给定一些表征某一物体的姿态后，我们的系统首先通过插值构建一个偏好变形空间。在模拟过程中，这个实例流形随后作为一个额外的弹性吸引子，引导物体朝着其偏好形状空间发展。添加在现有的固体模拟代码之上，这个实例势能有效地使我们能够以一种直接且直观的方式实现非均匀和各向异性材料。由于其基于实例的接口，我们的方法促进了一种艺术导向的固体模拟方法，我们通过一组实际例子对此进行了例证。