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Related Concept Videos

Deformations in a Transverse Cross Section01:21

Deformations in a Transverse Cross Section

When a material is subjected to uniaxial stress, it elongates or contracts in the direction of the applied force, and also undergoes changes in the perpendicular directions. This behavior is crucial for understanding how materials behave under stress and is governed by mechanical properties such as Poisson's ratio v, which measures the ratio of transverse strain to axial strain.
As the material stretches, it expands or contracts in orthogonal directions to the load. This phenomenon varies...
Temperature Dependent Deformation01:12

Temperature Dependent Deformation

In a nonhomogeneous rod made up of steel and brass, restrained at both ends and subjected to a temperature change, several steps are involved in calculating the stress and compressive load. Due to the problem's static indeterminacy, one end support is disconnected, allowing the rod to experience the temperature change freely. Next, an unknown force is applied at the free end, triggering deformations in the rod's steel and brass portions. These deformations are then calculated and added together...
Deformation of Member under Multiple Loadings01:11

Deformation of Member under Multiple Loadings

When a rod is made of different materials or has various cross-sections, it must be divided into parts that meet the necessary conditions for determining the deformation. These parts are each characterized by their internal force, cross-sectional area, length, and modulus of elasticity. These parameters are then used to compute the deformation of the entire rod.
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...
Tongue01:01

Tongue

The human tongue is a fascinating and complex organ, responsible for various essential functions such as swallowing, speech, and taste. It is also subject to various conditions and diseases. In this article, we delve into the anatomy of the tongue, its roles, and some common conditions that can affect it.
Anatomical Position in the Oral Cavity
The tongue is located within the oral cavity, also known as the mouth. It is attached to the floor of the mouth by a fold of mucous membrane called the...
Deformation in a Circular Shaft01:10

Deformation in a Circular Shaft

One of the distinctive characteristics of circular shafts is their ability to maintain their cross-sectional integrity under torsion. In other words, each cross-section continues to exist as a flat, unaltered entity, simply rotating like a solid, rigid slab. To understand the distribution of shearing stress within such a shaft, consider a cylindrical section inside this circular shaft. This section has a length of L and a radius of R, with one end fixed. The radius of the cylindrical section is...
The Tongue and Taste Buds00:49

The Tongue and Taste Buds

The surface of the tongue is covered with various small bumps called papillae, which either distribute what has been ingested (filiform papillae) or contain the sensory taste (or gustatory) receptor cells (fungiform, circumvallate, and foliate papillae). Embedded within each taste-related papilla are the taste buds—clusters of 30 to 100 gustatory receptor cells.

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Related Experiment Video

Updated: May 13, 2026

In Vivo Evaluation of the Mechanical and Viscoelastic Properties of the Rat Tongue
06:59

In Vivo Evaluation of the Mechanical and Viscoelastic Properties of the Rat Tongue

Published on: July 6, 2017

Physics-based deformable tongue visualization.

Yin Yang1, Xiaohu Guo, Jennell Vick

  • 1Department of Computer Science, The University of Texas at Dallas, 800 West Campbell Road, Richardson, TX 75080-3021, USA. yinyang@utdallas.edu

IEEE Transactions on Visualization and Computer Graphics
|March 16, 2013
PubMed
Summary
This summary is machine-generated.

This study introduces a physics-based framework to visualize human tongue deformation during speech using Finite Element Method (FEM) and motion capture. Novel techniques reveal hidden semantic information and analyze complex shape changes effectively.

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Last Updated: May 13, 2026

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06:59

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05:56

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Area of Science:

  • Biomechanics
  • Computer Graphics
  • Speech Science

Background:

  • Accurate visualization of complex deformations is crucial for understanding speech production.
  • Existing methods may not fully capture the intricate dynamics of the human tongue.
  • Analyzing high-dimensional sequential motion data presents significant challenges.

Purpose of the Study:

  • To present a physics-based framework for visualizing human tongue deformation.
  • To develop novel techniques for in-depth data analysis and exploration of tongue movement.
  • To reveal semantic information within tongue deformation patterns.

Main Methods:

  • Modeling the human tongue using the Finite Element Method (FEM).
  • Driving the FEM model with motion capture data from speech production.
  • Implementing physics-based volume segmentation by decomposing the tongue model based on deformation patterns.
  • Utilizing strain energy for low-dimensional visualization of high-dimensional sequential motion.
  • Employing energy-interpolation-based morphing for subtle 3D shape difference highlighting.

Main Results:

  • Demonstrated effectiveness of the physics-based framework in visualizing tongue deformation.
  • Successfully revealed hidden semantic information through novel segmentation algorithms.
  • Provided intuitive visualizations of complex, high-dimensional motion data using strain energy.
  • Highlighted subtle differences in 3D deformed shapes without visual occlusion.
  • Validated the general applicability of the methods for other deformation analyses.

Conclusions:

  • The proposed framework offers a powerful tool for analyzing human tongue deformation during speech.
  • Novel visualization and segmentation techniques enhance the understanding of biomechanical processes in speech.
  • The methods are adaptable for general deformation analysis beyond the human tongue.