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Updated: Sep 27, 2026
11:28
A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials
Published on: May 18, 2015
[Biodynamic response of the human shank subjected to impulse load]
Abstract:
This paper reported the establishment of biodynamic modelling of the human shank in the sagittal palne while the human thigh is fixed. And when the shank is subjected to the two types of externally applied impulse loads, the forces associated with the four main ligaments, as well as the bone-to-bone contact forces in the knee joint are numerically obtained. The contact point locations are also presented together with the angular motions of the lower limb segments.
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01:21Plastic Behavior
A material's elastic behavior is characterized by the disappearance of stress once the load is removed, allowing the material to return to its original state. However, when stress surpasses the yield point, yielding commences, marking the onset of plastic deformation or permanent set. This change from elastic to plastic behavior is influenced by the peak stress value and the duration before the load is removed. An intriguing observation occurs when a specimen is loaded, unloaded, and reloaded.
01:19Impact Loading
Impact loading occurs when a moving object collides with a stationary structure, such as a rod with a uniform cross-sectional area fixed at one end. Under these conditions, the rod absorbs the kinetic energy from the striking object, leading to deformation and subsequent stress development. As the rod returns to its original position and reaches maximum stress, the absorbed energy, initially manifested as kinetic energy, transforms entirely into strain energy.
In cases of elastic deformation,...
In cases of elastic deformation,...