Related Experiment Video
Updated: Jul 10, 2026
06:07
Studying Large Amplitude Oscillatory Shear Response of Soft Materials
Published on: April 25, 2019
Spring-bead animation of viscoelastic materials
Nobuhiko Tamura1, Toshiya Nakaguchi, Norimichi Tsumura
1Chiba University, Japan. nobuhiko2424@yahoo.co.jp
IEEE Computer Graphics and Applications
|November 22, 2007
Summary
This study presents an interactive animation method for viscoelastic materials using a spring-bead model. The dynamic simulation allows for real-time adjustments to material properties by altering polymer chain connections.
Area of Science:
- Computational physics
- Polymer science
- Material science
Background:
- Viscoelastic materials exhibit time-dependent mechanical properties.
- Simulating polymer dynamics is crucial for understanding material behavior.
- Existing models may lack interactive capabilities for dynamic property modification.
Purpose of the Study:
- To develop an interactive animation method for simulating viscoelastic materials.
- To leverage Rouse's spring-bead model for polymer chain representation.
- To enable dynamic control over material viscoelasticity.
Main Methods:
- Utilized Rouse's spring-bead model with one-dimensional particle connections.
- Approximated inter-particle collision forces using particle density gradients.
- Implemented dynamic changes in viscoelasticity by severing polymer chain interconnections.
Main Results:
- Successfully created an interactive animation method for viscoelastic materials.
- Demonstrated dynamic control over material viscoelasticity through model manipulation.
- The method provides a visual and interactive approach to polymer dynamics.
Conclusions:
- The developed interactive animation method offers a novel approach to studying viscoelasticity.
- Dynamic simulation of polymer chains can be achieved through particle-based modeling.
- This technique facilitates intuitive exploration of material property changes.
Related Concept Videos
01:19Members Made of Elastoplastic Material
The behavior of elastoplastic materials under bending stresses, particularly in structural members with rectangular cross-sections, is crucial for predicting material responses and understanding failure modes. Initially, when a bending moment is applied, the stress distribution across the section follows Hooke's Law and is linear and elastic. This distribution means the stress increases from the neutral axis to the maximum at the outer fibers, up to the elastic limit.
As the bending moment...
As the bending moment...
01:07Damped Oscillations
In the real world, oscillations seldom follow true simple harmonic motion. A system that continues its motion indefinitely without losing its amplitude is termed undamped. However, friction of some sort usually dampens the motion, so it fades away or needs more force to continue. For example, a guitar string stops oscillating a few seconds after being plucked. Similarly, one must continually push a swing to keep a child swinging on a playground.
Although friction and other non-conservative...
Although friction and other non-conservative...
01:20Elastic Strain Energy for Shearing Stresses
As discussed in previous lessons, strain energy in a material is the energy stored when it is elastically deformed, a concept crucial in materials science and mechanical engineering. This energy results from the internal work done against the cohesive forces within the material. When a material undergoes shearing stress and corresponding shearing strain, the strain energy density, which is the energy stored per unit volume, is calculated. Within the elastic limit, where the stress is...
01:24Circular Shafts - Elastoplastic Materials
The study of solid circular shafts under stress shows that within the elastic limit, stress increases directly to the distance from the shaft's center. This relationship holds until the shaft reaches a critical point of stress, beyond which it begins to yield, marking the transition from elastic to plastic deformation. At this crucial juncture, the maximum torque the shaft can endure without permanent deformation is determined, signifying the limit of its elastic behavior.
As torque on the...
As torque on the...
01:19Viscosity of Fluid
Viscosity measures the resistance a fluid offers to flow and deformation. It results from internal friction between layers of fluid moving relative to one another. Dynamic viscosity, denoted by the Greek letter mu (μ), quantifies the force needed to move one fluid layer over another. For Newtonian fluids like water and air, the relationship between the shearing stress and the rate of shearing strain is linear, meaning their viscosity remains constant regardless of the applied stress.
01:22Elastic Strain Energy for Normal Stresses
Strain energy quantifies the energy stored within a material due to deformation under loading conditions, a fundamental concept in materials science and engineering. The strain energy can be modeled when a material is subjected to axial loading with uniformly distributed stress. In this scenario, the stress experienced by the material is the internal force divided by the cross-sectional area, and the strain induced is directly proportional to this stress through the modulus of elasticity.
If...
If...