HYPERELASTIC

作品数：27被引量：28H指数：3
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相关期刊：《Communications in Computational Physics》《Nano Materials Science》《Chinese Journal of Mechanical Engineering》《World Journal of Mechanics》更多>>
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A physics-informed neural network for simulation of finite deformation in hyperelastic-magnetic coupling problems
《Applied Mathematics and Mechanics(English Edition)》2024年第10期1717-1732,共16页WANG Lei LUO Zikun LU Mengkai TANG Minghai 
supported by the National Natural Science Foundation of China(Nos.12072105 and 11932006)。
Recently,numerous studies have demonstrated that the physics-informed neural network(PINN)can effectively and accurately resolve hyperelastic finite deformation problems.In this paper,a PINN framework for tackling hyp...
关键词：physics-informed neural network(PINN) deep learning hyperelastic-magnetic coupling finite deformation small data set 
Learning Invariant Representation of Multiscale Hyperelastic Constitutive Law from Sparse Experimental Data
《Communications in Computational Physics》2023年第7期392-417,共26页Rui He Junzhi Cui Zihao Yang Jieqiong Zhang Xiaofei Guan 
supported by the Natural Science Foundation of Chongqing(CSTB2022NSCQ-MSX0296);Strategic Priority Research Program of the Chinese Academy of Sciences(XDC06030102);National Key R&D Program of China(2020YFA0713603);National Natural Science Foundation of China(12271409).
Constitutive modeling of heterogeneous hyperelastic materials is still a challenge due to their complex and variable microstructures.We propose a multiscale datadriven approach with a hierarchical learning strategy fo...
关键词：Heterogeneous hyperelastic materials data-driven approach multiscale generic constitutive model physics-constrained 
橡胶类材料有限变形黏-超弹性损伤模型:理论和数值实现被引量：1
《Acta Mechanica Sinica》2023年第3期56-63,共8页杜振江 杨彦 王仲彤 范兴贵 卢同庆 
This work was supported by the National Natural Science Foundation of China(Grant No.11922210).
橡胶类材料存在着超弹性、时间相关性、率相关性和渐进损伤行为.作者之前的工作提出了一种超弹性损伤模型去描述软材料的应变软化行为(Lu et al.,2020).模型在单根分子链应变能函数中引入损伤变量D,然后将宏观变形和单链分子的伸长率联...
关键词：Soft materials HYPERELASTIC VISCOELASTIC DAMAGE UMAT 
Axisymmetric 3:1 internal resonance of thin-walled hyperelastic cylindrical shells under both axial and radial excitations
《Acta Mechanica Sinica》2022年第8期122-131,共10页Jia Jiao Jie Xu Xuegang Yuan Li-Qun Chen 
This work was supported by the National Natural Science Foundation of China(Grant Nos.11672069,11872145,11872159,12172086,and 12101106).
Nonlinear vibration with axisymmetric 3:1 internal resonance is investigated for an incompressible neo-Hookean hyperelastic cylindrical shell under both axial and radial harmonic excitations.A full nonlinear strain-di...
关键词：Thin-walled cylindrical shell Incompressible neo-Hookean material Internal resonance Harmonic balance method with the arc length continuation 
Biomechanical Analysis of a Radial Expansion Mechanism of Intestinal Robot Coupling with Hyperelastic Intestinal Wall
《Journal of Shanghai Jiaotong university(Science)》2022年第4期552-560,共9页LIU Dasheng YAN Guozheng 
the Research Project of Traditional Chinese Medicine of Shanghai Health Committee(No.2020JP012);the Pujiang Talents’Project of Shanghai(No.20PJ1406600);the National Natural Science Foundation of China(No.61673271)。
This paper proposes a new type of radial expansion mechanism by adopting the scissor type telescopic design for intestinal robot to meet the requirements of the intestinal robot’s movement and residence in the intest...
关键词：radial expansion mechanism intestinal robot HYPERELASTICITY constitutive model intestinal wall biomechanical analysis 
A variational differential quadrature solution to finite deformation problems of hyperelastic shell-type structures:a two-point formulation in Cartesian coordinates
《Applied Mathematics and Mechanics(English Edition)》2022年第8期1219-1232,共14页M.FARAJI-OSKOUIE R.ANSARI M.DARVIZEH 
A new numerical approach is presented to compute the large deformations of shell-type structures made of the Saint Venant-Kirchhoff and Neo-Hookean materials based on the seven-parameter shell theory.A work conjugate ...
关键词：shell large deformation variational differential quadrature(VDQ)technique seven-parameter shell theory first Piola Kirchhoff stress tensor and deformation gradient tensor(P−F)formulation 
A comparative study of 85 hyperelastic constitutive models for both unfilled rubber and highly filled rubber nanocomposite material被引量：6
《Nano Materials Science》2022年第2期64-82,共19页Hong He Qiang Zhang Yaru Zhang Jianfeng Chen Liqun Zhang Fanzhu Li 
the National Key Research and Development Program of China(2018YFB1502501);the National Natural Science Foundation of China(52003024).
Nonlinear finite element analysis is widely used for structural optimization of the design and the reliability analysis of complex elastomeric components.However,high-precision numerical results cannot be achieved wit...
关键词：Rubber-like materials Hyperelastic constitutive model Strain energy function Phenomenological model Micromechanical network model UHYPER subroutine 
Large-Amplitude Oscillations of Hyperelastic Cylindrical Membrane Under Thermal-Mechanical Fields被引量：1
《Acta Mechanica Solida Sinica》2022年第2期303-315,共13页Wenzheng Zhang Datian Niu Fengxia Zhao 
This work was supported by the National Natural Science Foundation of China(Nos.11702059 and 11872145);the Guiding Plan of Natural Science Foundation of Liaoning Province(No.2019-ZD-0183).
In this paper,the nonlinear dynamic behaviors of a hyperelastic cylindrical membrane composed of the incompressible Ogden material are examined,where the membrane is subjected to uniformly distributed radial periodic ...
关键词：Cylindrical membrane Radial perturbed load Ambient temperature Bifurcation and chaos 
Implementation of Particle Swarm Optimization Algorithm in Matlab Code for Hyperelastic Characterization
《World Journal of Mechanics》2021年第7期146-163,共18页Talaka Dya Bale Baidi Blaise Gambo Betchewe Mohamadou Alidou 
The purpose of this paper is to demonstrate the applicability of Particle Swarm Optimization algorithm to determine material parameters in incompressible isotropic elastic strain-energy functions using combined tensio...
关键词：Particle Swarm Optimization Hyperelastic Models Tension-Torsion Test Load Force Torsional Couple 
A review on material models for isotropic hyperelasticity被引量：3
《International Journal of Mechanical System Dynamics》2021年第1期71-88,共18页Stephen K.Melly Liwu Liu Yanju Liu Jinsong Leng 
National Natural Science Foundation of China,Grant/Award Number:11772109。
Dozens of hyperelastic models have been formulated and have been extremely handy in understanding the complex mechanical behavior of materials that exhibit hyperelastic behavior(characterized by large nonlinear elasti...
关键词：constitutive models finite deformation HYPERELASTIC mechanical system dynamics strain energy density 
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