EMU: Efficient Muscle Simulation in Deformation Space,Computer Graphics Forum

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EMU: Efficient Muscle Simulation in Deformation Space
Computer Graphics Forum ( IF 2.7 ) Pub Date : 2020-12-28 , DOI: 10.1111/cgf.14185
V. Modi ₁ , L. Fulton ₁ , A. Jacobson ₂ , S. Sueda ₁ , D.I.W. Levin ₁

Affiliation

EMU is an efficient and scalable model to simulate bulk musculoskeletal motion with heterogenous materials. First, EMU requires no model reductions, or geometric coarsening, thereby producing results visually accurate when compared to an FEM simulation. Second, EMU is efficient and scales much better than state-of-the-art FEM with the number of elements in the mesh, and is more easily parallelizable. Third, EMU can handle heterogeneously stiff meshes with an arbitrary constitutive model, thus allowing it to simulate soft muscles, stiff tendons and even stiffer bones all within one unified system. These three key characteristics of EMU enable us to efficiently orchestrate muscle activated skeletal movements. We demonstrate the efficacy of our approach via a number of examples with tendons, muscles, bones and joints.

中文翻译：

EMU：变形空间中的高效肌肉模拟

EMU 是一种高效且可扩展的模型，用于模拟具有异质材料的大块肌肉骨骼运动。首先，EMU 不需要模型缩减或几何粗化，因此与 FEM 模拟相比，可以产生视觉上准确的结果。其次，EMU 是高效的，并且在网格中的元素数量方面比最先进的 FEM 好得多，并且更容易并行化。第三，EMU 可以处理具有任意本构模型的异构刚性网格，从而允许它在一个统一系统中模拟柔软的肌肉、僵硬的肌腱甚至更坚硬的骨骼。EMU 的这三个关键特征使我们能够有效地协调肌肉激活的骨骼运动。我们通过多个肌腱、肌肉、骨骼和关节的例子证明了我们方法的有效性。

更新日期：2020-12-28

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