Viscoelastic plastic creep constitutive model based on energy ...

Based on strain energy theory, the law of conservation of energy, and Perzyna viscoplastic theory, a creep constitutive model, which can ...

Viscoelastic-plastic damage creep model for salt rock based on ...

Salt rock is widely used as an excellent material for energy storage owing to its ... A modified viscoelastic–plastic constitutive model based on the creep ...

A viscoelastic-viscoplastic constitutive model for high-temperature ...

On the contrary, in non-unified constitutive models, the plastic and creep strains are considered instead of the viscoplastic strain. The plastic strain is ...

(PDF) A viscoelastic–plastic constitutive model incorporating creep ...

2020;13:1502. 34. Liu XS, Ning JG, Tan YL, Gu QH. Damage constitutive model. based on energy dissipation for intact rock subjected to cyclic.

A viscoelastic–plastic constitutive model incorporating creep ...

Based on the phenomenon of initial creep stress found in rock creep experiments,20,21,44,45 we takes it into account for the first time to ...

Establishment and engineering application of viscoelastic-plastic ...

Therefore, a viscoelastic-plastic constitutive relationship considering stress threshold based on the Burgers model to describe the creep ...

Constitutive Equations for Analyzing Stress Relaxation and Creep of ...

Constitutive Equations for Analyzing Stress Relaxation and Creep of Viscoelastic Materials Based on Standard Linear Solid Model Derived with Finite Loading Rate.

BME 332: Constitutive Equations: Viscoelasticity

... constitutive models for materials and tissues. ... Any materials that exhibit hysteresis, creep or stress relaxation can be considered viscoelastic materials.

Review of the creep constitutive models for rocks and the application ...

The Maxwell model can successfully model the instantaneous and incremental strain but cannot simulate the visco-plastic behavior. For the Kelvin ...

Creep constitutive models for viscoelastic materials based on ...

Request PDF | Creep constitutive models for viscoelastic materials based on fractional derivatives | To describe the time-dependent creep behavior of ...

Damage creep model of viscoelastic rock based on fractional ...

The nonlinear viscoelastic‒plastic creep model ... Coupled creep constitutive model of rock viscoelasticplastic damage based on strain energy and ...

Nonlinear Viscoelastic–Plastic Creep Model Based on Coal ... - MDPI

[13,14] proposed constitutive models that could represent the induced plastic deformation, damage, and creep characteristics of brittle rocks to ...

Viscoelasticity - Wikipedia

Viscoelasticity · Background · Elastic versus viscoelastic behavior · Linear viscoelasticity and nonlinear viscoelasticity · Dynamic modulus · Constitutive models of ...

Research on the Creep Model of Deep Coal Roadway and Its ...

For this, a New Fractional-order Nonlinear Viscoelastic-plastic Rheological Model (NFNVRM) was established by introducing Abel elements and Nonlinear elements, ...

Mathematical Analysis of Energies for Viscoelastic Materials and ...

In thistheoretical model, failure is part of the complete constitutive descriptionof the material. Some considerations are given to the energy forviscoelastic ...

Constitutive modeling of viscoelastic-plastic strain characteristics ...

... creep constitutive model based on soft rock saturation-loss cycle triaxial creep test. Nat. Hazards 108, 2265–2281 (2021). https://doi.org/10.1007/s11069 ...

Development of A Multiaxial Viscoelastoplastic Continuum Damage ...

Constitutive equation for viscoelastic materials ... constitutive model is used to represent not only viscoplastic strain but also viscoelastic strain.

A viscoelastic–plastic constitutive model incorporating creep ...

Article on A viscoelastic–plastic constitutive model incorporating creep initiation stress for surrounding rock in deep roadways and its ...

Constitutive laws - 3.8 Viscoplasticity - Applied Mechanics of Solids

Viscoplastic constitutive equations are used to model the behavior of polycrystalline materials (metals and ceramics) that are subjected to stress at high ...

Three-Dimensional Constitutive Viscoelastic Model for Isotropic ...

... energy due to the viscoelastic behaviour of the material. ... 2008 " Three-dimensional constitutive creep/relaxation model of carbon cathode materials .