Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Elasticity in Concrete

Elasticity in Concrete

Upon subjecting concrete to moderate or high uniaxial compressive or tensile stresses, the strain response is non-linear relative to the stress applied. As the stress is removed, the resulting stress-strain curve deviates from the original path traced during loading, creating a hysteresis loop, indicative of the concrete's non-linear and non-elastic properties. Typically, a material's modulus of elasticity, which is a measure of the material's stiffness, is inferred from the linear...

Generalized Hooke's Law

Generalized Hooke's Law

The generalized Hooke's Law is a broadened version of Hooke's Law, which extends to all types of stress and in every direction. Consider an isotropic material shaped into a cube subjected to multiaxial loading. In this scenario, normal stresses are exerted along the three coordinate axes. As a result of these stresses, the cubic shape deforms into a rectangular parallelepiped. Despite this deformation, the new shape maintains equal sides, and there is a normal strain in the direction of the...

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.

Equation of the Elastic Curve

Equation of the Elastic Curve

The concept of curvature in plane curves, crucial in structural engineering, defines how sharply a beam bends under load. This curvature is determined using the curve's first and second derivatives.
Consider a cantilever beam with a point load at its free end (for instance, a diving board). When analyzing beam deflection with small slopes, the shape of the beam's elastic curve becomes key. The governing equation for this analysis involves the bending moment and the beam's flexural...

Residual Stresses in Bending

Residual Stresses in Bending

In the study of elastoplastic members subjected to bending moments, understanding the loading and unloading phases is crucial for assessing material behavior and structural integrity. During the loading phase, as the bending moment increases, the material initially responds elastically, adhering to Hooke's Law, where stress is directly proportional to strain. When the load exceeds the yield strength, plastic deformation occurs, resulting in permanent strain and deformation that remains even...

Hooke's Law

Hooke's Law

Hooke's law, a pivotal principle in material science, establishes that the strain a material undergoes is directly proportional to the applied stress, defined by a factor called the modulus of elasticity or Young's modulus.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Perturbational complexity index in assessing responsiveness to rTMS treatment in patients with disorders of consciousness: a cross-over randomized controlled trial study.

Journal of neuroengineering and rehabilitation·2024

Same author

The ELOVL6 homolog in Penaeus vannamei plays a dual role in fatty acid metabolism and immune response.

Molecular immunology·2023

Same author

Total Syntheses of Polyhydroxylated Steroids by an Unsaturation-Functionalization Strategy.

Angewandte Chemie (International ed. in English)·2023

Same author

9-(4-Fluoro-phen-yl)-3,3,6,6-tetra-methyl-10-p-tolyl-1,2,3,4,5,6,7,8,9,10-deca-hydroacridine-1,8-dione.

Acta crystallographica. Section E, Structure reports online·2011

Search research articles

Related Experiment Video

Updated: Oct 27, 2025

Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric

Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric

Published on: January 29, 2020

Inverse Parameter Identification for Hyperelastic Model of a Polyurea.

Yihua Xiao^1,2, Ziqiang Tang¹, Xiangfu Hong¹

¹School of Mechatronics and Vehicle Engineering, East China Jiaotong University, Nanchang 330013, China.

|July 24, 2021

Summary

This study introduces an inverse procedure to determine polyurea material parameters using polynomial hyperelastic models. The method accurately captures both tensile and compressive behaviors, simplifying experimental setups and accounting for friction effects.

Keywords:

experiment finite element hyperelastic model inverse procedure polyurea

More Related Videos

Experimental and Data Analysis Workflow for Soft Matter Nanoindentation

Experimental and Data Analysis Workflow for Soft Matter Nanoindentation

Published on: January 18, 2022

Sample Preparation in Quartz Crystal Microbalance Measurements of Protein Adsorption and Polymer Mechanics

Sample Preparation in Quartz Crystal Microbalance Measurements of Protein Adsorption and Polymer Mechanics

Published on: January 22, 2020

Related Experiment Videos

Last Updated: Oct 27, 2025

Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric

Artificial Thermal Ageing of Polyester Reinforced and Polyvinyl Chloride Coated Technical Fabric

Published on: January 29, 2020

Experimental and Data Analysis Workflow for Soft Matter Nanoindentation

Experimental and Data Analysis Workflow for Soft Matter Nanoindentation

Published on: January 18, 2022

Sample Preparation in Quartz Crystal Microbalance Measurements of Protein Adsorption and Polymer Mechanics

Sample Preparation in Quartz Crystal Microbalance Measurements of Protein Adsorption and Polymer Mechanics

Published on: January 22, 2020

Area of Science:

Materials Science
Computational Mechanics
Polymer Engineering

Background:

Accurate material parameter identification is crucial for simulating polyurea behavior.
Existing methods may oversimplify complex material responses or require intricate experimental setups.
Polyurea's distinct performance under tension and compression necessitates specialized characterization.

Purpose of the Study:

To develop and validate an inverse procedure for identifying polyurea material parameters.
To establish a method capable of characterizing both tensile and compressive behaviors.
To simplify experimental requirements and incorporate friction effects in compression tests.

Main Methods:

Utilized a polynomial hyperelastic constitutive model.
Employed an iterative inverse method for tensile parameter identification, aligning experimental and finite element (FE) model forces.
Developed a response surface-based inverse method with a radial basis function (RBF) and genetic algorithm for compressive parameter identification.

Main Results:

Successfully obtained two sets of material parameters for tensile and compressive performance.
Generated a complete identified uniaxial stress-strain curve encompassing both deformation modes.
The inverse procedure demonstrated the ability to simplify experiments and account for friction.

Conclusions:

The proposed inverse procedure effectively identifies polyurea material parameters.
The method accurately characterizes both tensile and compressive behaviors.
This approach offers a simplified and more comprehensive way to determine polyurea material properties.